SUBCHAPTER C—BROADCAST RADIO SERVICES

PARTS 70–72 [RESERVED] 73.151 Field strength measurements to es- tablish performance of directional anten- nas. PART 73—RADIO BROADCAST 73.152 Modification of directional antenna SERVICES data. 73.153 Field strength measurements in sup- Subpart A—AM Broadcast Stations port of applications or evidence at hear- ings. Sec. 73.154 AM directional antenna partial proof 73.1 Scope. of performance measurements. 73.14 AM broadcast definitions. 73.157 Antenna testing during daytime. 73.158 Directional antenna monitoring 73.21 Classes of AM broadcast channels and points. stations. 73.160 Vertical plane radiation characteris- 73.23 AM broadcast station applications af- tics, f(θ). fected by international agreements. 73.182 Engineering standards of allocation. 73.24 Broadcast facilities; showing required. 73.183 Groundwave signals. 73.25 Clear channels; Class A, Class B and 73.184 Groundwave field strength graphs. Class D stations. 73.185 Computation of interfering signal. 73.26 Regional channels; Class B and Class D 73.186 Establishment of effective field at stations. one kilometer. 73.27 Local channels; Class C stations. 73.187 Limitation on daytime radiation. 73.28 Assignment of stations to channels. 73.189 Minimum antenna heights or field 73.29 Class C stations on regional channels. strength requirements. 73.30 Petition for authorization of an allot- 73.190 Engineering charts and related for- ment in the 1605–1705 kHz band. mulas. 73.31 Rounding of nominal power specified on applications. Subpart B—FM Broadcast Stations 73.33 Antenna systems; showing required. 73.35 Calculation of improvement factors. 73.201 Numerical designation of FM broad- 73.37 Applications for broadcast facilities, cast channels. showing required. 73.202 Table of Allotments. 73.44 AM transmission system emission lim- 73.203 Availability of channels. itations. 73.204 International agreements and other 73.45 AM antenna systems. restrictions on use of channels. 73.49 AM transmission system fencing re- 73.205 Zones. quirements. 73.207 Minimum distance separation be- 73.51 Determining operating power. tween stations. 73.208 Reference points and distance com- 73.53 Requirements for authorization of an- putations. tenna monitors. 73.209 Protection from interference. 73.54 Antenna resistance and reactance 73.210 Station classes. measurements. 73.211 Power and antenna height require- 73.57 Remote reading antenna and common ments. point ammeters. 73.212 Administrative changes in authoriza- 73.58 Indicating instruments. tions. 73.61 AM directional antenna field strength 73.213 Grandfathered short-spaced stations. measurements. 73.215 Contour protection for short–spaced 73.62 Directional antenna system toler- assignments. ances. 73.220 Restrictions on use of channels. 73.68 Sampling systems for antenna mon- 73.232 Territorial exclusivity. itors. 73.239 Use of common antenna site. 73.69 Antenna monitors. 73.258 Indicating instruments. 73.72 Operating during the experimental pe- 73.267 Determining operating power. riod. 73.277 Permissible transmissions. 73.88 Blanketing interference. 73.293 Use of FM multiplex subcarriers. 73.99 Presunrise service authorization 73.295 FM subsidiary communications serv- (PSRA) and Postsunset service author- ices. ization (PSSA). 73.297 FM stereophonic sound broadcasting. 73.127 Use of multiplex transmission. 73.310 FM technical definitions. 73.128 AM stereophonic broadcasting. 73.311 Field strength contours. 73.132 Territorial exclusivity. 73.312 Topographic data. 73.150 Directional antenna systems. 73.313 Prediction of coverage.

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73.314 Field strength measurements. 73.623 DTV applications and changes to 73.315 FM transmitter location. DTV allotments. 73.316 FM antenna systems. 73.624 Digital television broadcast stations. 73.317 FM transmission system require- 73.625 DTV coverage of principal commu- ments. nity and antenna system. 73.318 FM blanketing interference. 73.635 Use of common antenna site. 73.319 FM multiplex subcarrier technical 73.641 Subscription TV definitions. standards. 73.642 Subscription TV service. 73.322 FM stereophonic sound transmission 73.643 Subscription TV operating require- standards. ments. 73.333 Engineering charts. 73.644 Subscription TV transmission sys- tems. Subpart C—Noncommercial Educational 73.646 Telecommunications Service on the FM Broadcast Stations Vertical Blanking Interval and in the Visual Signal. 73.501 Channels available for assignment. 73.653 Operation of TV aural and visual 73.502 State-wide plans. transmitters. 73.503 Licensing requirements and service. 73.658 Affiliation agreements and network 73.504 Channel assignments in the Mexican program practices; territorial exclusivity border area. in non-network program arrangements. 73.505 Zones. 73.659—73.663 [Reserved] 73.506 Classes of noncommercial edu- 73.664 Determining operating power. cational FM stations and channels. 73.665 Use of TV aural baseband subcarriers. 73.507 Minimum distance separations be- 73.667 TV subsidiary communications serv- tween stations. ices. 73.508 Standards of good engineering prac- 73.669 TV stereophonic aural and multiplex tice. subcarrier operation. 73.509 Prohibited overlap. 73.670 Commercial limits in children’s pro- 73.510 Antenna systems. grams. 73.511 Power and antenna height require- 73.671 Educational and informational pro- ments. gramming for children. 73.512 Special procedures applicable to Class 73.672 [Reserved] D noncommercial educational stations. 73.673 Public information initiatives regard- 73.513 Noncommercial educational FM sta- ing educational and informational pro- tions operating on unreserved channels. gramming for children. 73.525 TV Channel 6 protection. 73.681 Definitions. 73.558 Indicating instruments. 73.682 TV transmission standards. 73.561 Operating schedule; time sharing. 73.683 Field strength contours. 73.567 Determining operating power. 73.684 Prediction of coverage. 73.593 Subsidiary communications services. 73.685 Transmitter location and antenna 73.597 FM stereophonic sound broadcasting. system. 73.686 Field strength measurements. 73.599 NCE–FM engineering charts. 73.687 Transmission system requirements. 73.688 Indicating instruments. Subpart D [Reserved] 73.691 Visual modulation monitoring. 73.698 Tables. Subpart E—Television Broadcast Stations 73.699 TV engineering charts. 73.601 Scope of subpart. 73.602 Cross reference to rules in other Subpart F—International Broadcast Stations parts. 73.701 Definitions. 73.603 Numerical designation of television 73.702 Assignment and use of frequencies. channels. 73.703 Geographical zones and areas of re- 73.606 Table of allotments. ception. 73.607 Availability of channels. 73.712 Equipment tests. 73.609 Zones. 73.713 Program tests. 73.610 Minimum distance separations be- 73.731 Licensing requirements. tween stations. 73.732 Authorizations. 73.611 Reference points and distance com- 73.733 Normal license period. putations. 73.751 Operating power. 73.612 Protection from interference. 73.753 Antenna systems. 73.614 Power and antenna height require- 73.754 Frequency monitors. ments. 73.755 Modulation monitors. 73.615 Administrative changes in authoriza- 73.756 Transmission system requirements. tions. 73.757 Auxiliary transmitters. 73.621 Noncommercial educational TV sta- 73.758 Alternate main transmitters. tions. 73.759 Modification of transmission sys- 73.622 Digital television table of allotments. tems.

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73.761 Time of operation. 73.1560 Operating power and mode toler- 73.765 Determining operating power. ances. 73.766 Modulation and bandwidth. 73.1570 Modulation levels: AM, FM, and TV 73.781 Logs. aural. 73.782 Retention of logs. 73.1580 Transmission system inspections. 73.787 Station identification. 73.1590 Equipment performance measure- 73.788 Service; commercial or sponsored ments. programs. 73.1610 Equipment tests. 73.1615 Operation during modification of fa- Subpart G—Emergency Broadcast System cilities. 73.900 Cross References. 73.1620 Program tests. 73.1635 Special temporary authorizations Subpart H—Rules Applicable to All (STA). Broadcast Stations 73.1650 International agreements. 73.1660 Acceptability of broadcast transmit- 73.1001 Scope. ters. 73.1010 Cross reference to rules in other 73.1665 Main transmitters. parts. 73.1670 Auxiliary transmitters. 73.1015 Truthful written statements and re- 73.1675 Auxiliary antennas. sponses to Commission inquiries and cor- 73.1680 Emergency antennas. respondence. 73.1690 Modification of transmission sys- 73.1020 Station license period. tems. 73.1030 Notifications concerning inter- 73.1692 Broadcast station construction near ference to radio astronomy, research and or installation on an AM broadcast receiving installations. tower. 73.1120 Station location. 73.1695 Changes in transmission standards. 73.1125 Station main studio location. 73.1700 Broadcast day. 73.1150 Transferring a station. 73.1705 Time of operation. 73.1201 Station identification. 73.1710 Unlimited time. 73.1202 Retention of letters received from 73.1715 Share time. the public. 73.1720 Daytime. 73.1206 Broadcast of telephone conversa- 73.1725 Limited time. tions. 73.1730 Specified hours. 73.1207 Rebroadcasts. 73.1735 AM station operation pre-sunrise 73.1208 Broadcast of taped, filmed, or re- and post-sunset. corded material. 73.1740 Minimum operating schedule. 73.1209 References to time. 73.1745 Unauthorized operation. 73.1210 TV/FM dual-language broadcasting 73.1750 Discontinuance of operation. in Puerto Rico. 73.1800 General requirements related to the 73.1211 Broadcast of lottery information. station log. 73.1212 Sponsorship identification; list re- 73.1820 Station log. tention; related requirements. 73.1835 Special technical records. 73.1213 Antenna structure, marking and 73.1840 Retention of logs. lighting. 73.1870 Chief operators. 73.1215 Specifications for indicating instru- 73.1910 Fairness Doctrine. ments. 73.1216 Licensee-conducted contests. 73.1920 Personal attacks. 73.1217 Broadcast hoaxes. 73.1930 Political editorials. 73.1225 Station inspection by FCC. 73.1940 Legally qualified candidates for pub- 73.1226 Availability to FCC of station logs lic office. and records. 73.1941 Equal opportunities. 73.1230 Posting of station license. 73.1942 Candidate rates. 73.1250 Broadcasting emergency informa- 73.1943 Political file. tion. 73.1944 Reasonable access. 73.1300 Unattended station operation. 73.2080 Equal employment opportunities. 73.1350 Transmission system operation. 73.3500 Application and report forms. 73.1400 Transmission system monitoring 73.3511 Applications required. and control. 73.3512 Where to file; number of copies. 73.1510 Experimental authorizations. 73.3513 Signing of applications. 73.1515 Special field test authorizations. 73.3514 Content of applications. 73.1520 Operation for tests and mainte- 73.3516 Specification of facilities. nance. 73.3517 Contingent applications. 73.1530 Portable test stations [Definition] 73.3518 Inconsistent or conflicting applica- 73.1540 Carrier frequency measurements. tions. 73.1545 Carrier frequency departure toler- 73.3519 Repetitious applications. ances. 73.3520 Multiple applications.

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73.3521 Mutually exclusive applications for 73.3580 Local public notice of filing of low power television, television trans- broadcast applications. lators and television booster stations. 73.3584 Procedure for filing petitions to 73.3522 Amendment of applications. deny. 73.3523 Dismissal of applications in renewal 73.3587 Procedure for filing informal objec- proceedings. tions. 73.3525 Agreements for removing applica- 73.3588 Dismissal of petitions to deny or tion conflicts. withdrawal of informal objections. 73.3526 Local public inspection file of com- 73.3589 Threats to file petitions to deny or mercial stations. informal objections. 73.3527 Local public inspection file of non- 73.3591 Grants without hearing. commercial educational stations. 73.3592 Conditional grant. 73.3533 Application for construction permit 73.3593 Designation for hearing. or modification of construction permit. 73.3594 Local public notice of designation 73.3534 Application for extension of con- for hearing. struction permit or for construction per- 73.3597 Procedures on transfer and assign- mit to replace expired construction per- ment applications. mit. 73.3598 Period of construction. 73.3535 Application to modify authorized 73.3599 Forfeiture of construction permit. but unbuilt facilities, or to assign or 73.3601 Simultaneous modification and re- transfer control of an unbuilt facility. newal of license. 73.3536 Application for license to cover con- 73.3603 Special waiver procedure relative to struction permit. applications. 73.3537 Application for license to use former 73.3605 Retention of applications in hearing main antenna as an auxiliary. status after designation for hearing. 73.3538 Application to make changes in an 73.3612 Annual employment report. existing station. 73.3613 Filing of contracts. 73.3539 Application for renewal of license. 73.3615 Ownership reports. 73.3540 Application for voluntary assign- 73.3999 Enforcement of 18 U.S.C. 1464 (re- ment or transfer of control. 73.3541 Application for involuntary assign- strictions on the transmission of obscene ment of license or transfer of control. and indecent material). 73.3542 Application for emergency author- 73.4000 Listing of FCC policies. ization. 73.4005 Advertising—refusal to sell. 73.3543 Application for renewal or modifica- 73.4015 Applications for AM and FM con- tion of special service authorization. struction permits, incomplete or defec- 73.3544 Application to obtain a modified sta- tive. tion license. 73.4017 Application processing: Commercial 73.3545 Application for permit to deliver FM stations. programs to foreign stations. 73.4045 Barter agreements. 73.3549 Requests for extension of authority 73.4050 Children’s TV programs. to operate without required monitors, in- 73.4055 Cigarette advertising. dicating instruments, and EAS encoders 73.4060 Citizens agreements. and decoders. 73.4075 Commercials, loud. 73.3550 Requests for new or modified call 73.4082 Comparative broadcast hearings— sign assignments. specialized programming formats. 73.3555 Multiple ownership. 73.4091 Direct broadcast satellites. 73.3556 Duplication of programming on com- 73.4094 Dolby encoder. monly owned or time brokered stations. 73.4095 Drug lyrics. 73.3561 Staff consideration of applications 73.4097 EBS (now EAS) attention signals on requiring Commission action. automated programing systems. 73.3562 Staff consideration of applications 73.4099 Financial qualifications, certifi- not requiring action by the Commission. cation of. 73.3564 Acceptance of applications. 73.4100 Financial qualifications; new AM 73.3566 Defective applications. and FM stations. 73.3568 Dismissal of applications. 73.4101 Financial qualifications, TV sta- 73.3571 Processing of AM broadcast station tions. applications. 73.4102 FAA communications, broadcast of. 73.3572 Processing of TV broadcast, low 73.4104 FM assignment policies and proce- power TV, TV translator and TV booster dures. station applications. 73.4107 FM broadcast assignments, increas- 73.3573 Processing FM broadcast station ap- ing availability of. plications. 73.4108 FM transmitter site map submis- 73.3574 Processing of international broad- sions. cast station applications. 73.4110 Format changes of stations. 73.3578 Amendments to applications for re- 73.4135 Interference to TV reception by FM newal, assignment or transfer of control. stations.

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73.4140 Minority ownership; tax certificates AM broadcast signal with the carrier and distress sales. frequency at the center. Channels are 73.4154 Network/AM, FM station affiliation designated by their assigned carrier agreements. 73.4157 Network signals which adversely af- frequencies. The 117 carrier frequencies fect affiliate broadcast service. assigned to AM broadcast stations 73.4163 Noncommercial nature of edu- begin at 540 kHz and progress in 10 kHz cational broadcast stations. steps to 1700 kHz. (See § 73.21 for the 73.4165 Obscene language. classification of AM broadcast chan- 73.4170 Obscene broadcasts. nels). 73.4180 Payment disclosure: Payola, AM broadcast station. A broadcast sta- plugola, kickbacks. 73.4185 Political broadcasting and telecast- tion licensed for the dissemination of ing, the law of. radio communications intended to be 73.4190 Political candidate authorization received by the public and operated on notice and sponsorship identification. a channel in the AM broadcast band. 73.4195 Political advertising by UHF trans- Amplitude modulated stage. The radio- lators. frequency stage to which the modula- 73.4210 Procedure Manual: ‘‘The Public and Broadcasting’’. tor is coupled and in which the carrier 73.4215 Program matter: Supplier identifica- wave is modulated in accordance with tion. the system of amplitude modulation 73.4235 Short spacing agreements: FM sta- and the characteristics of the modulat- tions. ing wave. 73.4242 Sponsorship identification rules, ap- Amplitude modulator stage. The last plicability of. amplifier stage of the modulating wave 73.4246 Stereophonic pilot subcarrier use during monophonic programming. amplitude modulates a radio-frequency 73.4247 STV: Competing applications. stage. 73.4250 Subliminal perception. Antenna current. The radio-frequency 73.4255 Tax certificates: Issuance of. current in the antenna with no modu- 73.4260 Teaser announcements. lation. 73.4265 Telephone conversation broadcasts Antenna input power. The product of (network and like sources). 73.4266 Tender offer and proxy statements. the square of the antenna current and 73.4267 Time brokerage. the antenna resistance at the point 73.4275 Tone clusters; audio attention-get- where the current is measured. ting devices. Antenna resistance. The total resist- 73.4280 Character evaluation of broadcast ance of the transmitting antenna sys- applicants. tem at the operating frequency and at Alphabetical Index—Part 73 the point at which the antenna current AUTHORITY: 47 U.S.C. 154, 303, 334 and 336. is measured. Auxiliary facility. An auxiliary facil- Subpart A—AM Broadcast Stations ity is an AM antenna tower(s) separate from the main facility’s antenna § 73.1 Scope. tower(s), permanently installed at the same site or at a different location, This subpart contains those rules from which an AM station may broad- which apply exclusively to the AM cast for short periods without prior broadcast service and are in addition to Commission authorization or notice to those rules in Subpart H which are the Commission while the main facil- common to all AM, FM and TV broad- ity is not in operation (e.g., where cast services, commercial and non- tower work necessitates turning off the commercial. main antenna or where lightning has [47 FR 8587, Mar. 1, 1982] caused damage to the main antenna or transmission system) (See § 73.1675). § 73.14 AM broadcast definitions. Blanketing. The interference which is AM broadcast band. The band of fre- caused by the presence of an AM broad- quencies extending from 535 to 1705 cast signal of one volt per meter (V/m) kHz. or greater strengths in the area adja- AM broadcast channel. The band of cent to the antenna of the transmit- frequencies occupied by the carrier and ting station. The 1 V/m contour is re- the upper and lower sidebands of an ferred to as the blanket contour and

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the area within this contour is referred ing to the last radio stage, measured to as the blanket area. without modulation. Carrier-amplitude regulation (Carrier Intermittent service area. Means the shift). The change in amplitude of the area receiving service from the carrier wave in an amplitude-modu- groundwave of a broadcast station but lated transmitter when modulation is beyond the primary service area and applied under conditions of symmet- subject to some interference and fad- rical modulation. ing. Combined audio harmonics. The arith- Last radio stage. The radio-frequency metical sum of the amplitudes of all power amplifier stage which supplies the separate harmonic components. power to the antenna. Root sum square harmonic readings Left (or right) signal. The electrical may be accepted under conditions pre- output of a microphone or combination scribed by the FCC. of microphones placed so as to convey Critical directional antenna. An AM the intensity, time, and location of broadcast directional antenna that is sounds originated predominately to the required, by the terms of a station au- listener’s left (or right) of the center of thorization, to be operated with the the performing area. relative currents and phases within the Left (or right) stereophonic channel. antenna elements at closer tolerances The left (or right) signal as electrically of deviation than those permitted reproduced in reception of AM under § 73.62 and observed with a high stereophonic broadcasts. precision monitor capable of measuring Main channel. The band of audio fre- these parameters. quencies from 50 to 10,000 Hz which am- Critical hours. The two hour period plitude modulates the carrier. immediately following local sunrise Maximum percentage of modulation. and the two hour period immediately The greatest percentage of modulation preceding local sunset. that may be obtained by a transmitter Daytime. The period of time between without producing in its output, local sunrise and local sunset. harmonics of the modulating frequency Effective field; Effective field strength. in excess of those permitted by these The root-mean-square (RMS) value of regulations. (See § 73.1570) the inverse distance fields at a distance Maximum rated carrier power. The of 1 kilometer from the antenna in all maximum power at which the trans- directions in the horizontal plane. The mitter can be operated satisfactorily term ‘‘field strength’’ is synonymous and is determined by the design of the with the term ‘‘field intensity’’ as con- transmitter and the type and number tained elsewhere in this Part. of vacuum tubes or other amplifier de- Equipment performance measurements. vices used in the last radio stage. The measurements performed to deter- Model I facility. A station operating mine the overall performance charac- in the 1605–1705 kHz band featuring teristics of a broadcast transmission fulltime operation with stereo, com- system from point of program origina- petitive technical quality, 10 kW day- tion at main studio to sampling of sig- time power, 1 kW nighttime power, nal as radiated. (See § 73.1590) non-directional antenna (or a simple Experimental period. the time between directional antenna system), and sepa- 12 midnight local time and local sun- rated by 400–800 km from other co- rise, used by AM stations for tests, channel stations. maintenance and experimentation. Model II facility. A station operating Frequency departure. The amount of in the 535–1605 kHz band featuring variation of a carrier frequency or cen- fulltime operation, competitive tech- ter frequency from its assigned value. nical quality, wide area daytime cov- Incidental phase modulation. The peak erage with nighttime coverage at least phase deviation (in radians) resulting 15% of the daytime coverage. from the process of amplitude modula- Nighttime. The period of time between tion. local sunset and local sunrise. Input power. Means the product of the Nominal power. The antenna input direct voltage applied to the last radio power less any power loss through a stage and the total direct current flow- dissipative network and, for directional

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antennas, without consideration of ad- tion which modulates the radio fre- justments specified in paragraphs (b)(1) quency carrier. and (b)(2) of § 73.51 of the rules. How- Stereophonic crosstalk. An undesired ever, for AM broadcast applications signal occurring in the main channel granted or filed before June 3, 1985, from modulation of the stereophonic nominal power is specified in a system channel or that occurring in the of classifications which include the fol- stereophonic channel from modulation lowing values: 50 kW, 25 kW, 10 kW, 5 of the main channel. kW, 2.5 kW, 1 kW, 0.5 kW, and 0.25 kW. Stereophonic pilot tone. An audio tone The specified nominal power for any of fixed or variable frequency modulat- station in this group of stations will be ing the carrier during the transmission retained until action is taken on or of stereophonic programs. after June 3, 1985, which involves a Stereophonic separation. The ratio of change in the technical facilities of the the electrical signal caused in the right station. (or left) stereophonic channel to the Percentage modulation (amplitude) electrical signal caused in the left (or In a positive direction: right) stereophonic channel by the transmission of only a right (or left) M = MAX–C × 100 signal. ————––—––— Sunrise and sunset. For each particu- c lar location and during any particular In a negative direction: month, the time of sunrise and sunset as specified in the instrument of au- × M = C–MIN 100 thorization (See § 73.1209). ————–—––— White area. The area or population c which does not receive interference- Where: free primary service from an author- M = Modulation level in percent. ized AM station or does not receive a MAX = Instantaneous maximum level of signal strength of at least 1 mV/m from the modulated radio frequency envelope. an authorized FM station. MIN = Instantaneous minimum level of the modulated radio frequency envelope. [47 FR 8587, Mar. 1, 1982, as amended at 47 FR C = (Carrier) level of radio frequency enve- 13164, Mar. 29, 1982; 47 FR 13812, Apr. 1, 1982; lope without modulation. 50 FR 18821, May 2, 1985; 50 FR 47054, Nov. 14, 1985; 56 FR 64856, Dec. 12, 1991; 62 FR 51058, Plate modulation. The modulation Sept. 30, 1997] produced by introduction of the modu- lating wave into the plate circuit of EFFECTIVE DATE NOTE: At 62 FR 51058, Sept. 30, 1997, § 73.14 was amended by adding any tube in which the carrier fre- the definition Auxiliary facility, effective Dec. quency wave is present. 1, 1997. Primary service area. Means the serv- ice area of a broadcast station in which § 73.21 Classes of AM broadcast chan- the groundwave is not subject to objec- nels and stations. tionable interference or objectionable (a) Clear channel. A clear channel is fading. one on which stations are assigned to Proof of performance measurements or serve wide areas. These stations are antenna proof of performance measure- protected from objectionable inter- ments. The measurements of field ference within their primary service strengths made to determine the radi- areas and, depending on the class of ation pattern or characteristics of an station, their secondary service areas. AM directional antenna system. Stations operating on these channels Secondary service area. Means the are classified as follows: service area of a broadcast station (1) Class A station. A Class A station served by the skywave and not subject is an unlimited time station that oper- to objectionable interference and in ates on a clear channel and is designed which the signal is subject to intermit- to render primary and secondary serv- tent variations in strength. ice over an extended area and at rel- Stereophonic channel. The band of atively long distances from its trans- audio frequencies from 50 to 10,000 Hz mitter. Its primary service area is pro- containing the stereophonic informa- tected from objectionable interference

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from other stations on the same and over a primary service area that may adjacent channels, and its secondary be reduced as a consequence of inter- service area is protected from inter- ference in accordance with § 73.182. The ference from other stations on the power shall not be less than 0.25 kW, same channel. (See § 73.182). The oper- nor more than 1 kW. Class C stations ating power shall not be less than 10 that are licensed to operate with 0.1 kW nor more than 50 kW. (Also see kW may continue to do so. § 73.25(a)). (2) Class B station. A Class B station [56 FR 64856, Dec. 12, 1991] is an unlimited time station which is designed to render service only over a § 73.23 AM broadcast station applica- tions affected by international primary service area. Class B stations agreements. are authorized to operate with a mini- mum power of 0.25 kW (or, if less than (a) Except as provided in paragraph 0.25 kW, an equivalent RMS antenna (b) of this section, no application for an field of at least 141 mV/m at 1 km) and AM station will be accepted for filing if a maximum power of 50 kW, or 10 kW authorization of the facilities re- for stations that are authorized to op- quested would be inconsistent with erate in the 1605–1705 kHz band. international commitments of the (3) Class D station. A Class D station United States under treaties and other operates either daytime, limited time international agreements, arrange- or unlimited time with nighttime ments and understandings. (See list of power less than 0.25 kW and an equiva- such international instruments in lent RMS antenna field of less than § 73.1650(b)). Any such application that 141 mV/m at one km. Class D stations is inadvertently accepted for filing will shall operate with daytime powers not be dismissed. less than 0.25 kW nor more than 50 kW. (b) AM applications that involve con- Nighttime operations of Class D sta- flicts only with the North American tions are not afforded protection and Regional Broadcasting Agreement must protect all Class A and Class B (NARBA), but that are in conformity operations during nighttime hours. with the remaining treaties and other New Class D stations that had not been international agreements listed in previously licensed as Class B will not § 73.1650(b) and with the other require- be authorized. ments of this part 73, will be granted (b) Regional Channel. A regional subject to such modifications as the channel is one on which Class B and FCC may subsequently find appro- Class D stations may operate and serve priate, taking international consider- primarily a principal center of popu- ations into account. lation and the rural area contiguous (c) In the case of any application des- thereto. ignated for hearing on issues other NOTE: Until the North American Regional than those related to consistency with Broadcasting Agreement (NARBA) is termi- international relationships and as to nated with respect to the Bahama Islands which no final decision has been ren- and the Dominican Republic, radiation to- dered, whenever action under this sec- ward those countries from a Class B station may not exceed the level that would be pro- tion becomes appropriate because of in- duced by an omnidirectional antenna with a consistency with international rela- transmitted power of 5 kW, or such lower tionships, the applicant involved shall, level as will comply with NARBA require- notwithstanding the provisions ments for protection of stations in the Ba- §§ 73.3522 and 73.3571, be permitted to hama Islands and the Dominican Republic amend its application to achieve con- against objectionable interference. sistency with such relationships. In (c) Local channel. A local channel is such cases the provisions of § 73.3605(c) one on which stations operate unlim- will apply. ited time and serve primarily a com- (d) In some circumstances, special munity and the suburban and rural international considerations may re- areas immediately contiguous thereto. quire that the FCC, in acting on appli- (1) Class C station. A Class C station is cations, follow procedures different a station operating on a local channel from those established for general use. and is designed to render service only In such cases, affected applicants will

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be informed of the procedures to be fol- station, no more than the maximum lowed. value permitted under the provisions of § 73.187. [56 FR 64856, Dec. 12, 1991] (i) That, for all stations, the daytime § 73.24 Broadcast facilities; showing 5 mV/m contour encompasses the en- required. tire principal community to be served. An authorization for a new AM That, for stations in the 535–1605 kHz broadcast station or increase in facili- band, 80% of the principal community ties of an existing station will be is- is encompassed by the nighttime 5 mV/ sued only after a satisfactory showing m contour or the nighttime inter- has been made in regard to the follow- ference-free contour, whichever value ing, among others: is higher. That, for stations in the 1605– (a) That the proposed assignment 1705 kHz band, 50% of the principal will tend to effect a fair, efficient, and community is encompassed by the 5 equitable distribution of radio service mV/m contour or the nighttime inter- among the several states and commu- ference-free contour, whichever value nities. is higher. That, Class D stations with (b) That a proposed new station (or a nighttime authorizations need not proposed change in the facilities of an demonstrate such coverage during authorized station) complies with the nighttime operation. pertinent requirements of § 73.37 of this (j) That the public interest, conven- chapter. ience, and necessity will be served (c) That the applicant is financially through the operation under the pro- qualified to construct and operate the posed assignment. proposed station. [28 FR 13574, Dec. 14, 1963, as amended at 38 (d) That the applicant is legally FR 5874, Mar. 5, 1973; 49 FR 43960, Nov. 1, 1984; qualified. That the applicant (or the 50 FR 40014, Oct. 1, 1985; 52 FR 11654, Apr. 10, person or persons in control of an ap- 1987; 53 FR 1031, Jan. 15, 1988; 56 FR 64857, plicant corporation or other organiza- Dec. 12, 1991] tion) is of good character and possesses other qualifications sufficient to pro- § 73.25 Clear channels; Class A, Class B vide a satisfactory public service. and Class D stations. (e) That the technical equipment pro- The frequencies in the following tab- posed, the location of the transmitter, ulations are designated as clear chan- and other technical phases of operation nels and assigned for use by the Classes comply with the regulations governing of stations given: the same, and the requirements of good (a) On each of the following channels, engineering practice. one Class A station may be assigned, (f) That the facilities sought are sub- operating with power of 50 kW: 640, 650, ject to assignment as requested under 660, 670, 700, 720, 750, 760, 770, 780, 820, existing international agreements and 830, 840, 870, 880, 890, 1020, 1030, 1040, the rules and regulations of the Com- 1100, 1120, 1160, 1180, 1200, and 1210 kHz. mission. In Alaska, these frequencies can be (g) That the population within the 1 used by Class A stations subject to the V/m contour does not exceed 1.0 per- conditions set forth in § 73.182(a)(1)(ii). cent of the population within the 25 On the channels listed in this para- mV/m contour: Provided, however, That graph, Class B and Class D stations where the number of persons within may be assigned. the 1 V/m contour is 300 or less the pro- (b) To each of the following channels visions of this paragraph are not appli- there may be assigned Class A, Class B cable. and Class D stations: 680, 710, 810, 850, (h) That, in the case of an application 940, 1000, 1060, 1070, 1080, 1090, 1110, 1130, for a Class B or Class D station on a 1140, 1170, 1190, 1500, 1510, 1520, 1530, 1540, clear channel, the proposed station 1550, and 1560 kHz. would radiate, during two hours follow- NOTE: Until superseded by a new agree- ing local sunrise and two hours preced- ment, protection of the Bahama Islands shall ing local sunset, in any direction to- be in accordance with NARBA. Accordingly, ward the 0.1 mV/m groundwave contour a Class A, Class B or Class D station on 1540 of a co-channel United States Class A kHz shall restrict its signal to a value no

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greater than 5 µV/m groundwave or 25 µV/m- and other international agreements. 10% skywave at any point of land in the Ba- See § 73.1650 for a list of pertinent trea- hama Islands, and such stations operating ties, conventions and agreements, and nighttime (i.e., sunset to sunrise at the loca- tion of the U.S. station) shall be located not § 73.23 for procedural provisions relat- less than 650 miles from the nearest point of ing to compliance with them. land in the Bahama Islands. (b) Engineering standards now in force domestically differ in some re- (c) Class A, Class B and Class D sta- spects from those specified for inter- tions may be assigned on 540, 690, 730, national purposes. The engineering 740, 800, 860, 900, 990, 1010, 1050, 1220, standards specified for international 1540, 1570, and 1580 kHz. purposes (see § 73.1650, International [28 FR 13574, Dec. 14, 1963, as amended at 33 Agreements) will be used to determine: FR 4410, Mar. 12, 1968; 35 FR 18052, Nov. 25, (1) The extent to which interference 1970; 47 FR 27862, June 28, 1982; 49 FR 43960, might be caused by a proposed station Nov. 1, 1984; 50 FR 24520, June 11, 1985; 52 FR in the United States to a station in an- 47568, Dec. 15, 1987; 53 FR 1031, Jan. 15, 1988; 54 FR 39736, Sept. 28, 1989; 56 FR 64857, Dec. other country; and 12, 1991] (2) whether the United States should register an objection to any new or § 73.26 Regional channels; Class B and changed assignment notified by an- Class D stations. other country. The domestic standards (a) The following frequencies are des- in effect in the United States will be ignated as regional channels and are used to determine the extent to which assigned for use by Class B and Class D interference exists or would exist from stations: 550, 560, 570, 580, 590, 600, 610, a foreign station where the value of 620, 630, 790, 910, 920, 930, 950, 960, 970, such interference enters into a calcula- 980, 1150, 1250, 1260, 1270, 1280, 1290, 1300, tion of: 1310, 1320, 1330, 1350, 1360, 1370, 1380, 1390, (i) The service to be rendered by a 1410, 1420, 1430, 1440, 1460, 1470, 1480, 1590, proposed operation in the United 1600, 1610, 1620, 1630, 1640, 1650, 1660, 1670, States; or 1680, 1690, and 1700 kHz. (ii) the permissible interfering signal (b) Additionally, in Alaska, Hawaii, from one station in the United States Puerto Rico, and the U.S. Virgin Is- to another United States station. lands the frequencies 1230, 1240, 1340, [28 FR 13574, Dec. 14, 1963, as amended at 29 1400, 1450, and 1490 kHz are designated FR 9499, July 11, 1964; 49 FR 32358, Aug. 14, as Regional channels, and are assigned 1984; 50 FR 18821, May 2, 1985; 54 FR 39736, for use by Class B stations. Stations Sept. 28, 1989; 56 FR 64857, Dec. 12, 1991] formerly licensed to these channels in those locations as Class C stations are § 73.29 Class C stations on regional redesignated as Class B stations. channels. [56 FR 64857, Dec. 12, 1991] No license will be granted for the op- eration of a Class C station on a re- § 73.27 Local channels; Class C sta- gional channel. tions. [ 56 FR 64857, Dec. 12, 1991] Within the conterminous 48 states, the following frequencies are des- § 73.30 Petition for authorization of an ignated as local channels, and are as- allotment in the 1605–1705 kHz signed for use by Class C stations: 1230, band. 1240, 1340, 1400, 1450, and 1490 kHz. (a) Any party interested in operating [56 FR 64857, Dec. 12, 1991] an AM broadcast station on one of the ten channels in the 1605–1705 kHz band § 73.28 Assignment of stations to chan- must file a petition for the establish- nels. ment of an allotment to its community (a) The Commission will not make an of license. Each petition must include AM station assignment that does not the following information: conform with international require- (1) Name of community for which al- ments and restrictions on spectrum use lotment is sought; that the United States has accepted as (2) Frequency and call letters of the a signatory to treaties, conventions, petitioner’s existing AM operation; and

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(3) Statement as to whether or not ational category, the station demonstrating AM stereo operation is proposed for the the highest value of improvement factor will operation in the 1605–1705 kHz band. be afforded the highest priority for an allot- (b) Petitions are to be filed during a ment, with the next priority assigned to the station with next lowest value, and so on, filing period to be determined by the until available allotments are filled. Commission. For each filing period, eli- NOTE 3: The Commission will periodically gible stations will be allotted channels evaluate the progress of the movement of based on the following steps: stations from the 535–1605 kHz band to the (1) Stations are ranked in descending 1605–1705 kHz band to determine whether the order according to the calculated im- 1605–1705 kHz band should continue to be ad- provement factor. ministered on an allotment basis or modified (2) The station with the highest im- to an assignment method. If appropriate, the provement factor is initially allotted Commission will later develop further proce- the lowest available channel. dures for use of the 1605–1705 kHz band by ex- (3) Successively, each station with isting station licensees and others. the next lowest improvement factor, is NOTE 4: Other than the exception specified allotted an available channel taking in note 1 of this section, existing fulltime stations are considered first for selection as into account the possible frequency described in note 2 of this section. In the and location combinations and rela- event that an allotment availability exists tionship to previously selected allot- for which no fulltime station has filed a rel- ments. If a channel is not available for evant petition, such allotment may be the subject station, previous allot- awarded to a licensed Class D station. If ments are examined with respect to an more than one Class D station applies for alternate channel, the use of which this migration opportunity, the following would make a channel available for the priorities will be used in the selection proc- ess: First priority—a Class D station located subject station. within the 0.5 mV/m–50% contour of a U.S. (4) When it has been determined that, Class A station and licensed to serve a com- in accordance with the above steps, no munity of 100,000 or more, for which there channel is available for the subject sta- exists no local fulltime aural service; Second tion, that station is no longer consid- priority—Class D stations ranked in order of ered and the process continues to the improvement factor, from highest to lowest, station with the next lowest improve- considering only those stations with im- ment factor. provement factors greater than zero. (c) If awarded an allotment, a peti- NOTE 5: The preference for AM stereo in tioner will have sixty (60) days from the expanded band will be administered as follows: when an allotment under consider- the date of public notice of selection to ation (candidate allotment) conflicts with file an application for construction one or more previously selected allotments permit on FCC Form 301. (See §§ 73.24 (established allotments) and cannot be ac- and 73.37(e) for filing requirements). commodated in the expanded band, the can- Unless instructed by the Commission didate allotment will be substituted for the to do otherwise, the application shall previously established allotment provided specify Model I facilities. (See § 73.14). that: the petitioner for the candidate allot- Upon grant of the application and sub- ment has made a written commitment to the use of AM stereo and the petitioner for the sequent construction of the authorized established allotment has not; the difference facility, the applicant must file a li- between the ranking factors associated with cense application on FCC Form 302. the candidate and established allotments does not exceed 10% of the ranking factor of NOTE 1: Until further notice by the Com- the candidate allotment; the substitution mission, the filing of these petitions is lim- will not require the displacement of more ited to licensees of existing AM stations (ex- than one established allotment; and both the cluding Class C stations) operating in the candidate allotment and the established al- 535–1605 kHz band. First priority will be as- lotment are within the same priority group. signed to Class D stations located within the primary service contours of U.S. Class A sta- [58 FR 27949, May 12, 1993] tions that are licensed to serve communities of 100,000 or more for which there exists no § 73.31 Rounding of nominal power local fulltime aural service. specified on applications. NOTE 2: Selection among competing peti- tions will be based on interference reduction. (a) An application filed with the FCC Notwithstanding the exception contained in for a new station or for an increase in Note 5 of this section, within each oper- power of an existing station shall

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specify nominal power rounded to two where applicable, of two separate addi- significant figures as follows: tive components, one for nighttime and one for daytime. For the nighttime Rounded down to component, to determine the numera- Nominal power (kW) nearest tor of the ratio (first consideration), figure (kW) calculate the RSS and associated serv- ice area of the stations (co- and adja- Below 0.25 ...... 0.001 0.25 to 0.99 ...... 0.01 cent channel) to which the subject sta- 1 to 9.9 ...... 0.1 tion causes nighttime interference. 10 to 50 ...... 1 Next, repeat the RSS and service area (b) In rounding the nominal power in calculations excluding the subject sta- accordance with paragraph (a) of this tion. The cumulative gain in the above section the RMS shall be adjusted ac- service area is the numerator of the cordingly. If rounding upward to the ratio. The denominator (second consid- nearest figure would result in objec- eration) is the subject station’s inter- tionable interference, the nominal ference-free service area. For the day- power specified on the application is to time component, the composite be rounded downward to the next near- amount of service lost by co-channel est figure and the RMS adjusted ac- and adjacent channel stations, each cordingly. taken individually, that are affected by [50 FR 18821, May 2, 1985, as amended at 53 the subject station, excluding the ef- FR 1031, Jan. 15, 1988] fects of other assignments during each study, will be used as the numerator of 73.33 Antenna systems; showing re- the daytime improvement factor. The quired. denominator will consist of the actual (a) An application for authority to daytime service area (0.5 mV/m con- install a broadcast antenna shall speci- tour) less any area lost to interference fy a definite site and include full de- from other assignments. The value of tails of the antenna design and ex- this combined ratio will constitute the pected performance. petitioner’s improvement factor. Not- (b) All data necessary to show com- withstanding the requirements of pliance with the terms and conditions §73.153, for uniform comparisons and of the construction permit must be simplicity, measurement data will not filed with the license application. If be used for determining improvement the station is using a directional an- factors and FCC figure M-3 ground con- tenna, a proof of performance must ductivity values are to be used exclu- also be filed. sively in accordance with the pertinent [28 FR 13574, Dec. 14, 1963, as amended at 37 provisions of §73.183(c)(1). FR 25840, Dec. 5, 1972] [56 FR 64858, Dec. 12, 1991] §73.35 Calculation of improvement fac- tors. §73.37 Applications for broadcast fa- A petition for an allotment (See cilities, showing required. §73.30) in the 1605–1705 kHz band filed by (a) No application will be accepted an existing fulltime AM station li- for a new station if the proposed oper- censed in the 535–1605 kHz band will be ation would involve overlap of signal ranked according to the station’s cal- strength contours with any other sta- culated improvement factor. (See tion as set forth below in this para- §73.30). Improvement factors relate to graph; and no application will be ac- both nighttime and daytime inter- cepted for a change of the facilities of ference conditions and are based on an existing station if the proposed two distinct considerations: (a) Service change would involve such overlap area lost by other stations due to in- where there is not already such overlap terference caused by the subject sta- between the stations involved: tion, and (b) service area of the subject station. These considerations are rep- resented by a ratio. The ratio consists,

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Contour of thorization issued by the Commission proposed in response to the earlier petition for Frequency sepa- station Contour of any other station ration (kHz) (classes B, (mV/m) establishment of a station in the 1605– C and D) 1705 kHz band. Within the allotment (mV/m) authorization, the Commission will 0 ...... 0.005 0.100 (Class A). specify the assigned frequency and the 0.025 0.500(Other classes). applicable technical requirements. 0.500 0.025 (All classes). 10 ...... 0.250 0.500(All classes). (f) Stations on 1580, 1590 and 1600 kHz. 0.500 0.250 (All classes). In addition to the rules governing the 20 ...... 5 5 (All classes). authorization of facilities in the 535– 5 5 (All classes). 30 ...... 25 25 (All classes). 1605 kHz band, stations on these fre- quencies seeking facilities modifica- (b) In determining overlap received, tions must protect assignments in the an application for a new Class C sta- 1610–1700 kHz band. Such protection tion with daytime power of 250 watts, shall be afforded in a manner which or greater, shall be considered on the considers the spacings that occur or assumption that both the proposed op- exist between the subject station and a eration and all existing Class C sta- station within the range 1605–1700 kHz. tions operate with 250 watts and utilize The spacings are the same as those non-directional antennas. specified for stations in the frequency (c) If otherwise consistent with the band 1610–1700 kHz or the current sepa- public interest, an application request- ration distance, whichever is greater. ing an increase in the daytime power of Modifications that would result in a an existing Class C station on a local spacing or spacings that fails to meet channel from 250 watts to a maximum any of the separations must include a of 1kW, or from 100 watts to a maxi- showing that appropriate adjustment mum of 500 watts, may be granted not- has been made to the radiated signal withstanding overlap prohibited by which effectively results in a site-to- paragraph (a) of this section. In the site radiation that is equivalent to the case of a 100 watt Class C station in- radiation of a station with standard creasing daytime power, the provisions Model I facilities (10 kW–D, 1 kW–N, of this paragraph shall not be con- non-DA, 90 degree antenna ht. & strued to permit an increase in power ground system) operating in compli- to more than 500 watts, if prohibited ance with all of the above separation overlap would be involved, even if suc- distances. In those cases where that ra- cessive applications should be ten- diation equivalence value is already ex- dered. ceeded, a station may continue to (d) In addition to demonstrating maintain, but not increase beyond that compliance with paragraphs (a), and, as level. appropriate, (b), and (c) of this section, NOTE 1: In the case of applications for an application for a new AM broadcast changes in the facilities of AM broadcast sta- station, or for a major change (see tions covered by this section, an application § 73.3571(a)(1)) in an authorized AM will be accepted even though overlap of field broadcast station, as a condition for its strength contours as mentioned in this sec- acceptance, shall make a satisfactory tion would occur with another station in an showing, if new or modified nighttime area where such overlap does not already exist, if: operation by a Class B station is pro- (1) The total area of overlap with that sta- posed, that objectionable interference tion would not be increased; will not result to an authorized sta- (2) There would be no net increase in the tion, as determined pursuant to area of overlap with any other station; and § 73.182(1). (3) There would be created no area of over- (e) An application for an authoriza- lap with any station with which overlap does tion in the 1605–1705 kHz band which not now exist. has been selected through the petition NOTE 2: The provisions of this section con- process (See § 73.30) is not required to cerning prohibited overlap of field strength contours will not apply where: demonstrate compliance with para- (1) The area of overlap lies entirely over graph (a), (b), (c), or (d) of this section. sea water: or Instead, the applicant need only com- (2) The only overlap involved would be that ply with the terms of the allotment au- caused to a foreign station, in which case the

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provisions of the applicable international sions between 60 kHz and 75 kHz of the agreement, as identified in § 73.1650, will carrier frequency must be attenuated apply. When overlap would be received from at least 65 dB below the unmodulated a foreign station, the provisions of this sec- tion will apply, except where there would be carrier level. Emissions removed by overlap with a foreign station with a fre- more than 75 kHz must be attenuated quency separation of 20 kHz, in which case at least 43 + 10 Log (Power in watts) or the provisions of the international agree- 80 dB below the unmodulated carrier ment will apply in lieu of this section. level, whichever is the lesser attenu- NOTE 3: In determining the number of ‘‘au- ation, except for transmitters having thorized’’ aural transmission facilities in a power less than 158 watts, where the at- given community, applications for that com- tenuation must be at least 65 dB below munity in hearing or otherwise having pro- carrier level. tected status under specified ‘‘cut-off’’ proce- dures shall be considered as existing sta- (c) Should harmful interference be tions. In the event that there are two or caused to the reception of other broad- more mutually exclusive protected applica- cast or non-broadcast stations by out tions seeking authorization for the proposed of band emissions, the licensee may be community it will be assumed that only one directed to achieve a greater degree of is ‘‘authorized.’’ attentuation than specified in para- NOTE 4: A ‘‘transmission facility’’ for a graphs (a) and (b) of this section. community is a station licensed to the com- (d) Measurements to determine com- munity. Such a station provides a ‘‘trans- pliance with this section for transmit- mission service’’ for that community. ter type acceptance are to be made [56 FR 64858, Dec. 12, 1991; 57 FR 43290, Sept. using signals sampled at the output 18, 1992] terminals of the transmitter when op- erating into an artificial antenna of § 73.44 AM transmission system emis- substantially zero reactance. Measure- sion limitations. ments made of the emissions of an op- (a) The emissions of stations in the erating station are to be made at AM service shall be attenuated in ac- ground level approximately 1 kilo- cordance with the requirements speci- meter from the center of the antenna fied in paragraph (b) of this section. system. When a directional antenna is Emissions shall be measured using a used, the carrier frequency reference properly operated and suitable swept- field strength to be used in order of frequency RF spectrum analyzer using preference shall be: a peak hold duration of 10 minutes, no (1) The measure non-directional field video filtering, and a 300 Hz resolution strength. bandwidth, except that a wider resolu- (2) The RMS field strength deter- tion bandwidth may be employed above mined from the measured directional 11.5 kHz to detect transient emissions. radiation pattern. Alternatively, other specialized receiv- (3) The calculated expected field ers or monitors with appropriate char- strength that would be radiated by a acteristics may be used to determine non-directional antenna at the station compliance with the provisions of this authorized power. section, provided that any disputes (e) Licensees of stations complying over measurement accuracy are re- with the ANSI/EIA–549–1988, NRSC–1 solved in favor of measurements ob- AM Preemphasis/Deemphasis and tained by using a calibrated spectrum Broadcast Transmission Bandwidth analyzer adjusted as set forth above. Specifications (NRSC–1), prior to June (b) Emissions 10.2 kHz to 20 kHz re- 30, 1990 or from the original commence- moved from the carrier must be at- ment of operation will, until June 30, tenuated at least 25 dB below the 1994, be considered to comply with unmodulated carrier level, emissions 20 paragraphs (a) and (b) of this section, kHz to 30 kHz removed from the carrier absent any reason for the Commission must be attenuated at least 35 dB to believe otherwise. Such stations are below the unmodulated carrier level, waived from having to make the peri- emissions 30 kHz to 60 kHz removed odic measurements required in from the carrier must be attenuated at § 73.1590(a)(6) until June 30, 1994. How- least [5 + 1 dB/kHz] below the ever, licensees must make measure- unmodulated carrier level, and emis- ments to determine compliance with

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paragraphs (a) and (b) of this section mination of the antenna resistance upon receipt of an Official Notice of using the procedures described in Violation or a Notice of Apparent Li- § 73.54. Operating power should then be ability alleging noncompliance with determined by a direct method as de- those provisions, or upon specific re- scribed in § 73.51. Notification of the quest by the Commission. value of resistance of the antenna sys- tem must be filed with the FCC in [47 FR 8588, Mar. 1, 1982, as amended at 49 FR 3999, Feb. 1, 1984] Washington, DC., as follows: (1) Whenever the measurements show § 73.45 AM antenna systems. that the antenna or common point re- (a) All applicants for new, additional, sistance differs from that shown on the or different AM station facilities and station authorization by more than 2%, all licensees requesting authority to FCC Form 302 must be filed with the change the transmitting system site of information and measurement data an existing station must specify an an- specified in § 73.54(d). tenna system, the efficiency of which (2) Whenever AM stations use direct complies with the requirements for the reading power meters pursuant to class and power of station. (See §§ 73.186 § 73.51, notification to the FCC in Wash- and 73.189.) ington, DC, must be filed in accordance (1) An application for authority to in- with § 73.54(e). stall an AM broadcast antenna must [43 FR 53735, Nov. 17, 1978, as amended at 45 specify a definite site and include full FR 28141, Apr. 28, 1980; 47 FR 8589, Mar. 1, details of the antenna system design 1982; 50 FR 32416, Aug. 12, 1985; 51 FR 2707; and expected performance. Jan. 21, 1986; 51 FR 26250, July 22, 1986] (2) All data necessary to show com- § 73.49 AM transmission system fenc- pliance with the terms and conditions ing requirements. of the construction permit must be filed with the application for the sta- Antenna towers having radio fre- tion license to cover the construction. quency potential at the base (series If the station has constructed a direc- fed, folded unipole, and insulated base tional antenna, a directional proof of antennas) must be enclosed within ef- performance must be filed. See §§ 73.150 fective locked fences or other enclo- through 73.157. sures. Ready access must be provided (b) The simultaneous use of a com- to each antenna tower base for meter mon antenna or antenna structure by reading and maintenance purposes at more than one AM station or by a sta- all times. However, individual tower tion of any other type or service may fences need not be installed if the tow- be authorized provided: ers are contained within a protective (1) Engineering data are submitted property fence. showing that satisfactory operation of [51 FR 2707, Jan. 21, 1986] each station will be obtained without adversely affecting the operation of the § 73.51 Determining operating power. other station(s). (a) Except in those circumstances de- (2) The minimum field strength for scribed in paragraph (d) of this section, each AM station complies with the operating power shall be deter- § 73.189(b). mined by the direct method. The direct (c) Should any changes be made or method consists of either: otherwise occur which would possibly (1) using a suitable instrument for alter the resistance of the antenna sys- determining the antenna’s input power tem, the licensee must commence the directly from the RF voltage, RF cur- determination of the operating power rent, and phase angle; or by a method described in § 73.51(a)(1) or (2) calculating the product of the li- (d). (If the changes are due to the con- censed antenna or common point re- struction of FM or TV transmitting fa- sistance at the operating frequency cilities, see §§ 73.316 and 73.685.) Upon (see § 73.54), and the square of the indi- completion of any necessary repairs or cated unmodulated antenna current at adjustments, or upon completion of au- that frequency, measured at the point thorized construction or modifications, where the resistance has been deter- the licensee must make a new deter- mined.

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(b) The authorized antenna input (i) A full description of the means by power for each station shall be equal to which transmitter output power will be the nominal power for such station, reduced. with the following exceptions: (ii) Where the proposed transmitter (1) For stations with nominal powers power output level(s) is less than 90% of 5 kW, or less, the authorized antenna of the rated power of the transmitter, input power to directional antennas equipment performance measurements shall exceed the nominal power by 8 must be made to confirm that the sta- percent. tion transmissions conform to the (2) For stations with nominal powers emission limitation specified in § 73.44, in excess of 5 kW, the authorized an- under all conditions of program oper- tenna input power to directional anten- ation. nas shall exceed the nominal power by (iii) A showing that, at the proposed 5.3 percent. power output level, means are provided (3) In specific cases, it may be nec- for varying the transmitter output essary to limit the radiated field to a within a tolerance of ±10 percent, to level below that which would result if compensate for variations in line volt- normal power were delivered to the an- age or other factors which may affect tenna. In such cases, excess power may the power output level. be dissipated in the antenna feed cir- (d) When it is not possible or appro- cuit, the transmitter may be operated priate to use the direct method of with power output at a level which is power determination due to technical less than the rated carrier power, or a reasons, the indirect method of deter- combination of the two methods may mining operating power (see para- be used, subject to the conditions given graphs (e) and (f) of this section) may in paragraph (c) of this section. be used on a temporary basis. A nota- (i) Where a dissipative network is tion must be made in the station log employed, the authorized antenna cur- indicating the dates of commencement rent and resistance, and the authorized and termination of measurement using antenna input power shall be deter- the indirect method of power deter- mined at the input terminals of the mination. dissipative network. (ii) Where the authorized antenna (e) The antenna input power is deter- input power is less than the nominal mined indirectly by applying an appro- power, subject to the conditions set priate factor to the input power to the forth in paragraph (c) of this section, last radio-frequency power amplifier the transmitter may be operated at the stage of the transmitter, using the fol- reduced power level necessary to sup- lowing formula: ply the authorized antenna input Where: power. Antenna input power=Ep×Ip×F (c) Applications for authority to op- erate with antenna input power which Ep=DC input voltage of final radio stage. Ip=Total DC input current of final radio is less than nominal power and/or to stage. employ a dissipative network in the F= Efficiency factor. antenna system shall be made on FCC Form 302. The technical information (1) If the above formula is not appro- supplied on section II–A of this form priate for the design of the transmitter shall be that applying to the proposed final amplifier, use a formula specified conditions of operation. In addition, by the transmitter manufacturer with the following information shall be fur- other appropriate operating param- nished, as pertinent: eters. (1) Full details of any network em- (2) The value of F applicable to each ployed for the purpose of dissipating mode of operation must be determined radio frequency energy otherwise deliv- and a record kept thereof with a nota- ered to the antenna (see § 73.54). tion as to its derivation. This factor is (2) A showing that the transmitter to be established by one of the methods has been type accepted or notified for described in paragraph (f) of this sec- operation at the proposed power output tion and retained in the station level, or, in lieu thereof: records.

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(f) The value of F is to be determined (b) An antenna monitor eligible for by one of the following procedures list- authorization by the FCC shall meet ed in order of preference: the following specifications: (1) If the station had previously been (1) The monitor shall be designed to authorized and operating by determin- operate in the 535–1705 kHz band. ing the antenna input power by the di- (2) The monitor shall be capable of rect method, the factor F is the ratio of indicating any phase difference be- the antenna input power (determined tween two RF voltages of the same fre- by the direct method) to the cor- quency over a range of from 0 to 360°. responding final radio frequency power (3) The monitor shall be capable of amplifier input power. indicating the relative amplitude of (2) If a station has not been pre- two RF voltages. viously in regular operation with the (4) The device used to indicate phase power authorized for the period of indi- differences shall indicate in degrees, rect power determination, if a new and shall be graduated in increments of transmitter has been installed, or if, 2°, or less. If a digital indicator is pro- for any other reason, the determina- vided, the smallest increment shall be tion of the factor F by the method de- 0.5°, or less. scribed in paragraph (f)(1) of this sec- (5) The device used to indicate rel- tion is impracticable: ative amplitudes shall be graudated in (i) The factor F as shown in the increments which are 1 percent, or less, transmitter manufacturer’s test re- of the full scale value. If a digital indi- port, if such a test report specifies a cator is provided, the smallest incre- unique value of F for the power level ment shall be 0.1 percent, or less, of the and frequently used; or full scale value. (ii) The value determined by ref- (6) The monitor shall be equipped erence to the following table: with means, if necessary, to resolve ambiguities in indication. Fac- Method of Maximum rated carrier Class of tor(F) modulation power amplifier (7) If the monitor is provided with more than one RF input terminal in 0.70 Plate ...... 1 kW or less ...... addition to a reference input terminal, .80 Plate ...... 2.5 kW and over ...... 35 Low level ..... 0.25 kW and over ...... B. appropriate switching shall be provided .65 Low level ..... 0.25 kW and over ...... BC1. in the monitor so that the signal at .35 Grid ...... 0.25 kW and over ...... each of these RF inputs may be se- 1All linear amplifier operation where efficiency approaches lected separately for comparison with that of class C operation. the reference input signal. (Secs. 4, 5, 303, 48 Stat., as amended, 1066, as (8) Each RF input of the monitor amended, 1068, 1082, as amended; 47 U.S.C. shall provide a termination of such 154, 155, 303. Interpret or apply secs. 301, 303, characteristics that, when connected 307, 48 Stat. 1081, 1082, as amended, 47 U.S.C. to a sampling line of an impedance 301, 303, 307) specified by the manufacturer the volt- [37 FR 7516, Apr. 15, 1972, as amended at 42 age reflection coefficient shall be 3 per- FR 36827, July 18, 1977; 42 FR 61863, Dec. 7, cent or less. 1977; 44 FR 36036, June 20, 1979; 47 FR 28387, (9) The monitor, if intended for use June 30, 1982; 48 FR 38477, Aug. 24, 1983; 48 FR 44805, Sept. 30, 1983; 49 FR 3999, Feb. 1, 1984; by stations operating directional an- 49 FR 4210, Feb. 3, 1984; 49 FR 49850, Dec. 24, tenna systems by remote control, shall 1984; 50 FR 24521, June 11, 1985; 52 FR 10570, be designed so that the switching func- Apr. 2, 1987] tions required by paragraph (b)(7) of this section may be performed from a § 73.53 Requirements for authorization point external to the monitor, and of antenna monitors. phase and amplitude indications be (a) General requirements. (1) Antenna provided by external meters. The indi- monitors shall be type approved or cations of external meters furnished by notifed by the FCC. Effective March 5, the manufacturer shall meet the speci- 1984, only grants of notification will be fications for accuracy and issued for antenna monitors. repeatability of the monitor itself, and (2) Notification can be obtained by the connection of these meters to the following the procedures specified in monitor, or of other indicating instru- subpart J of part 2 of the FCC’s Rules. ments with electrical characteristics

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meeting the specifications of the mon- section, shall be met when the monitor itor manufacturer shall not affect ad- is operated and tested under the follow- versely the performance of the monitor ing conditions. in any respect. (i) After continuous operation for 1 (10) The monitor must be accom- hour, the monitor shall be calibrated panied by complete and correct sche- and adjusted in accordance with the matic diagrams and operating instruc- manufacturer’s instructions. tions when submitted for type ap- (ii) The monitor shall be subjected to proval. When approved under notifica- variations in ambient temperature be- tion, these materials shall be retained tween the limits of 10 and 40°C; exter- by the applicant and not submitted un- nal meters furnished by the manufac- less otherwise requested by the FCC. turer will be subjected to variations be- For the purpose of the equipment au- tween 15 and 30°C. thorization, these diagrams and in- structions shall be considered as part (iii) Powerline supply voltage shall of the monitor. be varied over a range of from 10 per- (11) When an RF signal of an ampli- cent below to 10 percent above the tude within a range specified by the rated supply voltage. manufacturer is applied to the ref- (iv) The amplitude of the reference erence RF input terminal of the mon- signal shall be varied over the operat- itor, and another RF signal of the same ing range specified by the manufac- frequency and of equal or lower ampli- turer, and in any case over a range of tude is applied to any other selected maximum to minimum values of 3 to 1. RF input terminal, indications shall be (v) The amplitude of the comparison provided meeting the following speci- signal shall be varied from a value fications. which is 0.2 of the amplitude of the ref- (i) The accuracy with which any dif- erence signal to a value which is equal ference in the phases of the applied sig- in amplitude to the reference signal. nals is indicated shall be ±1°,or better, (vi) Accuracy shall be determined for for signal amplitude ratios of from 2:1 the most adverse combination of condi- to 1:1, and ±2°,or better, for signal am- tions set forth above. plitude ratios in excess of 2:1 and up to (vii) Repeatability shall be deter- 5:1. mined as that which may be achieved (ii) The repeatability of indication of under the specified test conditions over any difference in the phases of the ap- a period of 7 days, during which no plied signals shall be ±1°, or better. calibration or adjustment of the in- (iii) The accuracy with which the rel- strument, subsequent to the initial ative amplitudes of the applied signals calibration, shall be made. is indicated, over a range in which the (viii) The effects of modulation of the ratio of these amplitudes is between 2:1 RF signal shall be separately deter- and 1:1, shall be ±2 percent of the am- mined, and shall not be included in es- plitude ratio, or better, and for ampli- tablishing values for accuracy and tude ratios in excess of 2:1 and up to repeatability. 5:1, ±5 percent of the ratio, or better. (iv) The repeatability of indication of (c) A station determined to have a the relative amplitudes of the applied critical directional antenna must use signals, over a range where the ratio of an antenna monitor having high toler- these amplitudes is between 5:1 and 1:1, ance characteristics determined on an shall be ±2 percent of the amplitude individual basis, and specified on the ratio, or better. station authorization. Such monitors (v) The modulation of the RF signals are not subject to the authorization of by a sinusoidal wave of any frequency paragraph (a), however they may be between 100 and 10,000 Hz, at any ampli- used only at the station for which they tude up to 90 percent shall cause no de- were specified. viation in an indicated phase difference NOTE: In paragraph (b)(1) of this section, from its value, as determined without the requirement that monitors be capable of modulation, greater than ±0.5°. operation in the 535–1705 kHz band shall (12) The performance specifications apply only to equipment manufactured after set forth in paragraph (c)(13) of this July 1, 1992. Use of a monitor in the 1605–1705

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kHz band which is not approved for such op- the operating frequency of the station eration will be permitted pending the gen- shall be the resistance of the antenna. eral availability of 535–1705 kHz band mon- (2) For a directional antenna, the re- itors if a manufacturer can demonstrate, in actance of the antenna shall be deter- the interim, that its monitor performs in ac- cordance with the standards in this section mined by a procedure similar to that on these 10 channels. described in paragraph (c)(1) of this section. (Secs. 4, 5, 303, 48 Stat., as amended, 1066, (d) Notification must be filed with 1068, 1082 (47 U.S.C. 154, 155, 303)) the FCC in Washington, DC when de- [38 FR 1917, Jan. 19, 1973, as amended at 49 termining power by the direct method FR 3999, Feb. 1, 1984; 49 FR 29069, July 18, pursuant to § 73.51 and must specify the 1984; 50 FR 32416, Aug. 12, 1985; 50 FR 47054, antenna or common point resistance at Nov. 14, 1985; 51 FR 2707, Jan. 21, 1986; 56 FR the operating frequency. The following 64859, Dec. 12, 1991; 57 FR 43290, Sept. 18, 1992; information must also be kept on file 60 FR 55480, Nov. 1, 1995] at the station: § 73.54 Antenna resistance and react- (1) A full description of the method ance measurements. used to make measurements. (2) A schematic diagram showing (a) The resistance of an clearly all components of coupling cir- omnidirectional series fed antenna is cuits, the point of resistance measure- measured at either the base of the an- ment, the location of the antenna am- tenna without intervening coupling or meter, connections to and characteris- tuning networks, or at the point the tics of all tower lighting isolation cir- transmission line connects to the out- cuits, static drains, and any other fix- put terminals of the transmitter. The tures connected to and supported by resistance of a shunt excited antenna the antenna, including other antennas may be measured at the point the radio and associated networks. Any network frequency energy is transferred to the or circuit component used to dissipate feed wire circuit or at the output ter- radio frequency power shall be specifi- minals of the transmitter. cally identified, and the impedances of (b) The resistance and reactance of a all components which control the level directional antenna shall be measured of power dissipation, and the effective at the point of common radiofrequency input resistance of the network must input to the directional antenna sys- be indicated. tem. The following conditions shall ob- (e) AM stations using direct reading tain: power meters in accordance with (1) The antenna shall be finally ad- § 73.51, can either submit the informa- justed for the required radiation pat- tion required by paragraph (d) of this tern. section or submit a statement indicat- (2) The reactance at the operating ing that such a meter is being used. frequency and at the point of measure- Subsequent station licenses will indi- ment shall be adjusted to zero, or as cate the use of a direct reading power near thereto as practicable. meter in lieu of the antenna resistance (c)(1) The resistance of an antenna value in such a situation. shall be determined by the following [34 FR 18305, Nov. 15, 1969, as amended at 37 procedure: A series of discrete meas- FR 7517, Apr. 15, 1972; 45 FR 26062, Apr. 17, urements shall be made over a band of 1980; 49 FR 49850, Dec. 24, 1984; 50 FR 32416, frequencies extending from approxi- Aug. 12, 1985; 51 FR 2707, Jan. 21, 1986; 51 FR mately 25 kHz below the operating fre- 26250, July 22, 1986] quency to approximately 25 kHz above that frequency, at intervals of approxi- § 73.57 Remote reading antenna and mately 5 kHz. The measured values common point ammeters. shall be plotted on a linear graph, with Remote reading antenna and com- frequency as the abscissa and resist- mon point ammeters may be used with- ance as the ordinate. A smooth curve out further authority according to the shall be drawn through the plotted val- following conditions: ues. The resistance value correspond- (a) Remote reading antenna or com- ing to the point of intersection of the mon point ammeters may be provided curve and the ordinate representing by:

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(1) Inserting second radio frequency at the transmitter control point show- current sensing device directly in the ing the relationship between the arbi- antenna circuit with remote leads to trary scales and the reading of the the indicating instruments. main meters. (2) Inductive coupling to radio fre- (g) If a malfunction affects the re- quency current sensing device for pro- mote reading indicators of the antenna viding direct current to indicating in- or common point ammeter, the operat- strument. ing power may be determined by a (3) Capacity coupling to radio fre- method using alternative procedures as quency current sensing device for pro- described in § 73.51. viding direct current to indicating in- strument. [41 FR 36817, Sept. 1, 1976, as amended at 48 (4) Current transformer connected to FR 38477, Aug. 24, 1983; 49 FR 49850, Dec. 24, 1984; 50 FR 32416, Aug. 12, 1985; 60 FR 55480, radio frequency current sensing device Nov. 1, 1995] for providing direct current to indicat- ing instrument. § 73.58 Indicating instruments. (5) Using transmission line current meter at transmitter as remote reading (a) Each AM broadcast station must ammeter. See paragraph (c) of this sec- be equipped with indicating instru- tion. ments which conform with the speci- (6) Using the indications of the an- fications described in § 73.1215 for deter- tenna (phase) monitor, provided that mining power by the direct and indi- when the monitor is used to obtain re- rect methods, and with such other in- mote reading indication of non-direc- struments as are necessary for the tional antenna base current, the mon- proper adjustment, operation, and itor calibration can be independently maintenance of the transmitting sys- made and maintained for each mode of tem. However, auxiliary transmitters operation. with a nominal power rating of 100 (b) Devices used for obtaining remote watts or less are not required to be reading antenna or common point cur- equipped with instruments to deter- rent indications, except antenna mon- mine power by the indirect method itor coupling elements, shall be located provided that the licensee can deter- at the same point as, but below (trans- mine the antenna input power at all mitter side) the associated main am- times. meter. (b) A thermocouple type ammeter or (c) In the case of shunt-excited an- other device capable of providing an in- tennas, the transmission line current dication of radio frequency current, meter at the transmitter may be con- meeting the requirements of § 73.1215, sidered as the remote antenna amme- shall be installed at the base of each ter provided the transmission line is antenna element. A suitable jack and terminated directly into the excitation plug arrangement may be used to per- circuit feed line, which shall employ mit removal of the meter from the an- series tuning only (no shunt circuits of tenna circuit thereby protecting it any type shall be employed) and inso- from damage by lighting. far as practicable, the type and scale of (c) Since it is usually impractical to the transmission line meter should be measure the actual antenna current of the same as those of the excitation cir- a shunt excited antenna system, the cuit feed line meter (meter in slant current measured at the input of the wire feed line or equivalent). excitation circuit feed line is accepted (d) Each remote reading ammeter as the antenna current. shall be accurate to within 2 percent of (d) The function of each instrument the value read on its corresponding shall be clearly and permanently regular ammeter. shown on the instrument itself or on (e) All remote reading ammeters the panel immediately adjacent there- shall conform with the specifications to. for regular antenna ammeters. (e) In the event that any one of these (f) Meters with arbitrary scale divi- indicating instruments becomes defec- sions may be used provided that cali- tive when no substitute which con- bration charts or curves are provided forms with the required specifications

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is available, the station may be oper- Additionally, stations not having an ated without the defective instrument approved sampling system must make pending its repair or replacement for a the measurements once each calendar period not in excess of 60 days without quarter at intervals not exceeding 120 further authority of the Commission: days. The provision of this paragraph Provided, That: supersedes any schedule specified on a (1) If the defective instrument is an station license issued prior to January antenna base current ammeter of a di- 1, 1986. The results of the measure- rectional antenna system, the indica- ments are to be entered into the sta- tions may be obtained from the an- tion log pursuant to the provisions of tenna monitor pending the return to § 73.1820. service of the regular meter, provided (b) Partial proof of performance other parameters are maintained at measurements using the procedures de- their normal values. scribed in § 73.154 must be made when- (2) If the defective instrument is the ever the licensee has reason to believe antenna current meter of a non-direc- that the radiated field may be exceed- tional station which does not employ a ing the limits for which the station remote antenna ammeter, or if the de- was most recently authorized to oper- fective instrument is the common ate. point meter of a station which employs (c) A station may be directed to a directional antenna and does not em- make a partial proof of performance by ploy a remote common point meter, the FCC whenever there is an indica- the operating power shall be deter- tion that the antenna is not operating mined by a method described in as authorized. § 73.51(a)(1) or (d) during the entire time [50 FR 47054, Nov. 14, 1985] the station is operated without the an- tenna current meter or common point § 73.62 Directional antenna system tol- meter. However, if a remote meter is erances. employed and the antenna current am- (a) Each AM station operating a di- meter or common point meter becomes rectional antenna must maintain the defective, the remote meter can be indicated relative amplitudes of the used to determine operating power antenna base currents and antenna pending the return to service of the monitor currents within 5% of the val- regular meter. ues specified therein. Directional an- (f) If conditions beyond the control of tenna relativephase currents must be the licensee prevent the restoration of maintained to within ±3° of the values the meter to service within the above specified on the instrument of author- allowed period, information requested ization, unless other tolerances are in accordance with § 73.3549 may be specified therein. filed with the Engineer in Charge of (b) Whenever the operating param- the radio district in which the station eters of a directional antenna cannot is located for such additional time as be maintained within the tolerances may be required to complete repairs of specified in paragraph (a) of this sec- the defective instrument. tion, the following procedures will [41 FR 36817, Sept. 1, 1976, as amended at 48 apply: FR 38477, Aug. 24, 1983; 49 FR 49850, Dec. 24, (1) The licensee shall measure and log 1984; 50 FR 32416, Aug. 12, 1985; 51 FR 2707, every monitoring point at least once Jan. 21, 1986; 53 FR 2498, Jan. 28, 1988] for each mode of directional operation. Subsequent variations in operating pa- § 73.61 AM directional antenna field rameters will require the remeasuring strength measurements. and logging of every monitoring point (a) Each AM station using a direc- to assure that the authorized monitor- tional antenna must make field ing point limits are not being exceeded. strength measurements at the mon- (2) Provided each monitoring point is itoring point locations specified in the within its specified limit, operation instrument of authorization, as often may continue for a period up to 30 days as necessary to ensure that the field at before a request for Special Temporary those points does not exceed the values Authority (STA) must be filed, pursu- specified in the station authorization. ant to paragraph (b)(4) of this section,

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to operate with parameters at variance nents protected from physical and en- from the provisions of paragraph (a) of vironmental disturbances). this section. (2) Sampling lines for critical direc- (3) If any monitoring point exceeds tional antennas (see § 73.14) must be of its specified limit, the licensee must ei- uniform length. Sampling lines for ther terminate operation within 3 non-critical directional antennas may hours or reduce power in accordance be of different lengths provided the with the applicable provisions of phase difference of signals at the mon- § 73.1350(d), in order to eliminate any itor are less than 0.5° between the possibility of interference or excessive shortest and longest cable lengths due radiation in any direction. to temperature variations to which the (4) If operation pursuant to para- system is exposed. graph (b)(3) of this section is necessary, or before the 30 day period specified in (3) Other configurations of sampling paragraph (b)(2) of this section expires, systems may be used upon demonstra- the licensee must request a Special tion of stable operation to the FCC. Temporary Authority (STA) in accord- (b) A station having an antenna sam- ance with § 73.1635 to continue oper- pling system constructed according to ation with parameters at variance and/ the specifications given in paragraph or with reduced power along with a (a) of this section, may obtain approval statement certifying that all monitor- of that system by submitting an infor- ing points will be continuously main- mal request to the FCC in Washington, tained within their specified limits. DC. The request for approval, signed by (5) The licensee will be permitted 24 the licensee or authorized representa- hours to accomplish the actions speci- tive, must contain sufficient informa- fied in paragraph (b)(1) of this section; tion to show that the sampling system provided that, the date and time of the is in compliance with all requirements failure to maintain proper operating of paragraph (a) of this section. parameters has been recorded in the NOTE: A public notice giving additional in- station log. formation on approval of antenna sampling (c) In any other situation in which it systems is available upon request from the might reasonably be anticipated that FCC’s current copy contractor. the operating parameters might vary out of tolerance (such as planned array (c) In the event that the antenna repairs or adjustment and proofing pro- monitor sampling system is tempo- cedures), the licensee shall, before such rarily out of service for repair or re- activity is undertaken, obtain an STA in placement, the station may be oper- accordance with § 73.1635 in order to op- ated, pending completion of repairs or erate with parameters at variance and/ replacement, for a period not exceeding or with reduced power as required to 120 days without further authority maintain all monitoring points within from the FCC if all other operating pa- their specified limits. rameters and the field monitoring point values are within the limits spec- [50 FR 30946, July 31, 1985, as amended at 60 ified on the station authorization. FR 55480, Nov. 1, 1995] (d) If the antenna sampling system is § 73.68 Sampling systems for antenna modified or components of the sam- monitors. pling system are replaced, the follow- (a) Each AM station permittee au- ing procedure shall be followed: thorized to construct a new directional (1) Temporary authority shall be re- antenna system, must install the sam- quested and obtained from the Com- pling system in accordance with the mission in Washington to operate with following specifications: parameters at variance with licensed (1) Devices used to extract or sample values pending issuance of a modified the current and the transmission line license specifying parameters subse- connecting the sampling elements to quent to modification or replacement the antenna monitor must provide ac- of components. curate and stable signals to the mon- (2) Immediately prior to modification itor (e.g., rigidly mounted and non-ro- or replacement of components of the tatable loops and all system compo- sampling system not on the towers,

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and after a verification that all mon- tenna monitor. However, if the station itoring point values, base current ra- authorization sets specific tolerances tios and operating parameters are within which the phase and amplitude within the limits or tolerances speci- relationships must be maintained, or fied in the instrument of authorization requires the use of a monitor of speci- or the pertinent rules, the following in- fied repeatability, resolution or accu- dications must be read for each radi- racy, the antenna monitor used will be ation pattern: Final plate current and authorized on an individual basis. plate voltage, common point current, (1) Normally, the antenna monitor is base currents and their ratios, antenna to be installed immediately adjacent to monitor phase and current indications, the transmitter and antenna phasing and the field strength at each monitor- equipment. However, the monitor may ing point. Subsequent to these modi- be located elsewhere provided that its fications or changes the above proce- environment is maintained at all times dure must be repeated. within those limits under which the (3) If that portion of the sampling monitor was type-approved. system above the base of the towers is (2) The antenna monitor installed at modified or components replaced, a a station operating a directional an- partial proof of performance shall be tenna by remote control or when the executed in accordance with § 73.154 monitor is installed in the antenna subsequent to these changes. The par- field at a distance from the transmit- tial proof of performance shall be ac- ter, must be designed and authorized companied by common point imped- for such use in accordance with the ance measurements made in accord- provisions of § 73.53(b)(9). ance with § 73.54. (b) In the event that the antenna (4) Request for modification of li- monitor sampling system is tempo- cense shall be submitted to the FCC in rarily out of service for repair or re- Washington, DC, within 30 days of the placement, the station may be oper- date of sampling system modification ated, pending completion of repairs or or replacement. Such request shall replacement, for a period not exceeding specify the transmitter plate voltage 120 days without further authority and plate current, common point cur- from the FCC if all other operating pa- rent, base currents and their ratios, an- rameters, and the field monitoring tenna monitor phase and current indi- point values are within the limits spec- cations, and all other data obtained ified on the station authorization. pursuant to this paragraph. (c) If conditions beyond the control (e) If an existing sampling system is of the licensee prevent the restoration found to be patently of marginal con- of the monitor to service within the al- struction, or where the performance of lowed period, informal request in ac- a directional antenna is found to be un- cordance with § 73.3549 of the Commis- satisfactory, and this deficiency rea- sion’s rules must be filed with the En- sonably may be attributed, in whole or gineer in Charge of the radio district in in part, to inadequacies in the antenna which the station is located for such monitoring system, the FCC may re- additional time as may be required to quire the reconstruction of the sam- complete repairs of the defective in- pling system in accordance with re- strument. quirements specified above. (d) If an authorized antenna monitor is replaced by another antenna mon- [41 FR 7405, Feb. 18, 1976, as amended at 42 itor, the following procedure shall be FR 24056, May 12, 1977; 44 FR 58731, Oct. 11, 1979; 46 FR 35462, July 8, 1981; 48 FR 38478, followed: Aug. 24, 1983; 48 FR 44805, Sept. 30, 1983; 49 FR (1) Temporary authority shall be re- 32358, Aug. 14, 1984; 50 FR 47054, Nov. 14, 1985; quested and obtained from the Com- 51 FR 9965, Mar. 24, 1986; 51 FR 40435, Nov. 7, mission in Washington to operate with 1986; 56 FR 64859, Dec. 12, 1991] parameters at variance with licensed values, pending issuance of a modified § 73.69 Antenna monitors. license specifying new parameters. (a) Each station using a directional (2) Immediately prior to the replace- antenna must have in operation at the ment of the antenna monitor, after a transmitter site an FCC authorized an- verification that all monitoring point

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values and base current ratios are § 73.72 Operating during the experi- within the limits or tolerances speci- mental period. fied in the instrument of authorization (a) An AM station may operate dur- or the pertinent rules, the following in- ing the experimental period (the time dications must be read for each radi- between midnight and sunrise, local ation pattern: Final plate current and time) on its assigned frequency and plate voltage, common point current, with its authorized power for the rou- base currents, antenna monitor phase tine testing and maintenance of its and current indications, and the field transmitting system, and for conduct- strength at each monitoring point. ing experimentation under an experi- (3) With the new monitor substituted mental authorization, provided no in- for the old, all indications specified in terference is caused to other stations paragraph (d)(2) of this section, again maintaining a regular operating sched- must be read. If no change has occurred in the indication for any parameter ule within such period. other than the indications of the an- (b) No station licensed for ‘‘daytime’’ tenna monitor, the new antenna mon- or ’’specified hours’’ of operation may itor indications must be deemed to be broadcast any regular or scheduled pro- those reflecting correct array adjust- gram during this period. ments. (c) The licensee of an AM station (4) If it cannot be established by the shall operate or refrain from operating observations required in paragraph its station during the experimental pe- (d)(2) of this section that base current riod as directed by the FCC to facili- ratios and monitoring point values are tate frequency measurements or for within the tolerances or limits pre- the determination of interference. scribed by the rules and the instrument [43 FR 32780, July 28, 1978, as amended at 56 of authorization, or if the substitution FR 64859, Dec. 12, 1991] of the new antenna monitor for the old results in changes in these parameters, § 73.88 Blanketing interference. a partial proof of performance shall be The licensee of each broadcast sta- executed and analyzed in accordance tion is required to satisfy all reason- with § 73.154. able complaints of blanketing inter- (5) An informal request for modifica- ference within the 1 V/m contour. tion of license shall be submitted to the Commission in Washington, DC, NOTE: For more detailed instructions con- within 30 days of the date of monitor cerning operational responsibilities of licens- replacement. Such request shall speci- ees and permittees under this section, see fy the make, type, and serial number of § 73.318 (b), (c) and (d). the replacement monitor, phase and [28 FR 13574, Dec. 14, 1963, as amended at 56 sample current indications, and other FR 64859, Dec. 12, 1991] data obtained pursuant to this para- graph (d) of this section. § 73.99 Presunrise service authoriza- (e) The antenna monitor must be tion (PSRA) and postsunset service calibrated according to the manufac- authorization (PSSA). turer’s instructions as often as nec- (a) To provide maximum uniformity essary to ensure its proper operation. in early morning operation compatible (Secs. 4, 5, 303, 48 Stat., as amended, 1066, with interference considerations, and 1068, as amended, 1082, as amended; 47 U.S.C. to provide for additional service during 154, 303. Interpret or apply secs. 301, 303, 307, early evening hours for Class D sta- 48 Stat. 1081, 1082, as amended, 1083, as tions, provisions are made for amended, 47 U.S.C. 301, 303, 307) presunrise service and postsunset serv- [38 FR 1918, Jan. 19, 1973, as amended at 40 ice. The permissible power for FR 15884, Apr. 8, 1975; 40 FR 25459, June 16, presunrise or postsunset service au- 1975; 40 FR 27939, July 2, 1975; 41 FR 22942, thorizations shall not exceed 500 watts, June 8, 1976; 41 FR 32892, Aug. 6, 1976; 43 FR or the authorized daytime or critical 4022, Jan. 31, 1978; 45 FR 26062, Apr. 17, 1980; 48 FR 38478, Aug. 24, 1983; 49 FR 3999, Feb. 1, hours power (whichever is less). Cal- 1984; 50 FR 47054, Nov. 14, 1985; 51 FR 9965, culation of the permissible power shall Mar. 24, 1986; 56 FR 64859, Dec. 12, 1991; 60 FR consider only co-channel stations for 55480, Nov. 1, 1995] interference protection purposes.

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(b) Presunrise service authorizations (iv) Notwithstanding the require- (PSRA) permit: ments of paragraph (c)(1) (ii) and (iii) (1) Class D stations operating on of this section, the stations will be per- Mexican, Bahamian, and Canadian pri- mitted to operate with a minimum ority Class A clear channels to com- power of 10 watts unless a lower power mence PSRA operation at 6 a.m. local is required by international agreement. time and to continue such operation (2) The Commission will issue appro- until the sunrise times specified in priate authorizations to Class D sta- their basic instruments of authoriza- tions not previously eligible to operate tion. during this period. Class D stations au- (2) Class D stations situated outside thorized to operate during this 0.5 mV/m-50% skywave contours of co- presunrise period may continue to op- channel U.S. Class A stations to com- erate under their current authoriza- mence PSRA operation at 6 a.m. local tion. time and to continue such operation (d) Postsunset service authorizations until sunrise times specified in their (PSSA) permit: basic instruments of authorization. (1) Class D stations located on Mexi- (3) Class D stations located within can, Bahamian, and Canadian priority co-channel 0.5 mV/m-50% skywave con- Class A clear channels to commence tours of U.S. Class A stations, to com- PSSA operation at sunset times speci- mence PSRA operation either at 6 a.m. fied in their basic instruments of au- local time, or at sunrise at the nearest thorization and to continue for two Class A station located east of the hours after such specified times. Class D station (whichever is later), and to continue such operation until (2) Class D stations situated outside the sunrise times specified in their 0.5 mV/m-50% skywave contours of co- basic instruments of authorization. channel U.S. Class A stations to com- (4) Class B and Class D stations on re- mence PSSA operations at sunset gional channels to commence PSRA times specified in their basic instru- operation at 6 a.m. local time and to ments of authorization and to continue continue such operation until local for two hours after such specified sunrise times specified in their basic times. instruments of authorization. (3) Class D stations located within (c) Extended Daylight Saving Time co-channel 0.5 mV/m-50% skywave con- Pre-Sunrise Authorizations: tours of U.S. Class A stations to com- (1) Between the first Sunday in April mence PSSA operation at sunset times and the end of the month of April, specified in their basic instruments of Class D stations will be permitted to authorization and to continue such op- conduct pre-sunrise operation begin- eration until two hours past such spec- ning at 6 a.m. local time with a maxi- ified times, or until sunset at the near- mum power of 500 watts (not to exceed est Class A station located west of the the station’s regular daytime or criti- Class D station, whichever is earlier. cal hours power), reduced as necessary Class D stations located west of the to comply with the following require- Class A station do not qualify for ments: PSSA operation. (i) Full protection is to be provided (4) Class D stations on regional chan- as specified in applicable international nels to commence PSSA operation at agreements. sunset times specified on their basic in- (ii) Protection is to be provided to struments of authorization and to con- the 0.5 mV/m groundwave signals of co- tinue such operation until two hours channel U.S. Class A stations; protec- past such specified times. tion to the 0.5 mV/m-50% skywave con- (e) Procedural Matters. (1) Applica- tours of these stations is not required. tions for PSRA and PSSA operation (iii) In determining the protection to are not required. Instead, the FCC will be provided, the effect of each interfer- calculate the periods of such operation ing signal will be evaluated separately. and the power to be used pursuant to The presence of interference from the provisions of this section and the other stations will not reduce or elimi- protection requirements contained in nate the required protection. applicable international agreements.

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Licensees will be notified of permis- mV/m groundwave contour of a co- sible power and times of operation. channel Class A station to 25 µV/m. The Presunrise and Postsunset service au- location of the 0.1 mV/m contour of the thority permits operation on a second- Class A station will be determined by ary basis and does not confer license use of Figure M3, Estimated Ground rights. No request for such authority Conductivity in the United States. When need be filed. However, stations intend- the 0.1 mV/m contour extends beyond ing to operate PSRA or PSSA shall the national boundary, the inter- submit by letter, signed as specified in national boundary shall be considered § 73.3513, the following information: the 0.1 mV/m contour. (i) Licensee name, station call letters (4) Class B and Class D stations on re- and station location, gional channels operating PSRA and (ii) Indication as to whether PSRA PSSA (Class D only) are required to operation, PSSA operation, or both, is provide full protection to co-channel intended by the station, foreign Class B and Class C stations. (iii) A description of the method (5) Class D stations on regional chan- whereby any necessary power reduc- nels operating PSSA beyond 6 p.m. tion will be achieved. local time are required to fully protect (2) Upon submission of the required U.S. Class B stations. information, such operation may begin (6) The protection that Class D sta- without further authority. tions on regional channels are required (f) Technical Criteria. Calculations to provide when operating PSSA until to determine whether there is objec- 6 p.m. local time is as follows. tionable interference will be deter- (i) For the first half-hour of PSSA mined in accordance with the AM operation, protection will be calculated Broadcast Technical Standards, at sunset plus 30 minutes at the site of §§ 73.182 through 73.190, and applicable the Class D station; international agreements. Calculations (ii) For the second half-hour of PSSA will be performed using daytime an- operation, protection will be calculated tenna systems, or critical hours an- at sunset plus one hour at the site of tenna systems when specified on the li- the Class D station; cense. In performing calculations to (iii) For the second hour of PSSA op- determine assigned power and times for eration, protection will be calculated commencement of PSRA and PSSA op- at sunset plus two hours at the site of eration, the following standards and the Class D station; criteria will be used: (iv) Minimum powers during the pe- (1) Class D stations operating in ac- riod until 6 p.m. local time shall be cordance with paragraphs (b)(1), (b)(2), permitted as follows: (d)(1), and (d)(2) of this section are re- Calculated power Adjusted minimum power quired to protect the nighttime 0.5 mV/ m-50% skywave contours of co-channel From 1 to 45 watts ...... 50 watts. Above 45 to 70 watts ...... 75 watts. Class A stations. Where a 0.5 mV/m-50% Above 70 to 100 watts ...... 100 watts. skywave signal from the Class A sta- tion is not produced, the 0.5 mV/m (7) For protection purposes, the groundwave contour shall be protected. nighttime 25% RSS limit will be used (2) Class D stations are required to in the determination of maximum per- fully protect foreign Class B and Class missible power. C stations when operating PSRA and (g) Calculations made under para- PSSA; Class D stations operating graph (d) of this section may not take PSSA are required to fully protect U.S. outstanding PSRA or PSSA operations Class B stations. For purposes of deter- into account, nor will the grant of a mining protection, the nighttime RSS PSRA or PSSA confer any degree of in- limit will be used in the determination terference protection on the holder of maximum permissible power. thereof. (3) Class D stations operating in ac- (h) Operation under a PSRA or PSSA cordance with paragraphs (d)(2) and is not mandatory, and will not be in- (d)(3) of this section are required to re- cluded in determining compliance with strict maximum 10% skywave radi- the requirements of § 73.1740. To the ex- ation at any point on the daytime 0.1 tent actually undertaken, however,

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presunrise operation will be considered of the transmitter and associated by the FCC in determining overall equipment in accordance with all compliance with past programming phases of good engineering practice. representations and station policy con- [56 FR 64860, Dec. 12, 1991; 57 FR 43290, Sept. cerning commercial matter. 18, 1992, as amended at 58 FR 27950, May 12, (i) The PSRA or PSSA is secondary 1993] to the basic instrument of authoriza- tion with which it is to be associated. § 73.127 Use of multiplex transmission. The PSRA or PSSA may be suspended, The licensee of an AM broadcast sta- modified, or withdrawn by the FCC tion may use its AM carrier to trans- without prior notice or right to hear- mit signals not audible on ordinary ing, if necessary to resolve interference consumer receivers, for both broadcast conflicts, to implement agreements and non-broadcast purposes subject to with foreign governments, or in other the following requirements: circumstances warranting such action. (a) Such use does not disrupt or de- Moreover, the PSRA or PSSA does not grade the station’s own programs or extend beyond the term of the basic au- the programs of other broadcast sta- thorization. tions. (j) The Commission will periodically (b) AM carrier services that are com- recalculate maximum permissible mon carrier in nature are subject to power and times for commencing PSRA common carrier regulation. Licensees and PSSA for each Class D station op- operating such services are required to erating in accordance with paragraph apply to the FCC for the appropriate (c) of this section. The Commission authorization and to comply with all will calculate the maximum power at policies and rules applicable to the which each individual station may con- service. Responsibility for making the duct presunrise operations during ex- initial determinations of whether a tended daylight saving time and shall particular activity is common carriage issue conforming authorizations. These rests with the AM station licensee. Ini- original notifications and subsequent tial determinations by licensees are notifications should be associated with subject to FCC examination and may the station’s authorization. Upon noti- be reviewed at the FCC’s discretion. fication of new power and time of com- AM carrier services that are private mencing operation, affected stations carrier in nature must notify the Li- shall make necessary adjustments censing Division of the Private Radio within 30 days. Bureau at Gettysburg, Pennsylvania (k) A PSRA and PSSA does not re- 17325, by letter, prior to initiating serv- quire compliance with §§ 73.45, 73.182 ice certifying compliance with 47 CFR and 73.1560 where the operation might parts 90 and 94. otherwise be considered as technically (c) AM carrier services are of a sec- substandard. Further, the require- ondary nature under the authority of ments of paragraphs (a)(5), (b)(2), (c)(2), the AM station authorization, and the and (d)(2) of § 73.1215 concerning the authority to provide such communica- scale ranges of transmission system in- tions services may not be retained or dicating instruments are waived for transferred in any manner separate PSRA and PSSA operation except for from the station’s authorization. The the radio frequency ammeters used in grant or renewal of an AM station per- determining antenna input power. mit or license is not furthered or pro- (1) A station having an antenna mon- moted by proposed or past service. The itor incapable of functioning at the au- permittee or licensee must establish thorized PSRA and PSSA power when that the broadcast operation is in the using a directional antenna shall take public interest wholly apart from the the monitor reading using an subsidiary communications services unmodulated carrier at the authorized provided. daytime power immediately prior to (d) The station identification, de- commencing PSRA or PSSA oper- layed recording, and sponsor identifica- ations. Special conditions as the FCC tion announcements required by may deem appropriate may be included §§ 73.1201, 73.1208, and 73.1212 are not ap- for PSRA or PSSA to insure operation plicable to leased communications

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services transmitted via services that of program modulation. Compliance are not of a general broadcast program with requirement shall be dem- nature. onstrated either by the following spe- (e) The licensee or permittee must cific modulation tests or other docu- retain control over all material trans- mented test procedures that are to be mitted in a broadcast mode via the sta- fully described in the application for tion’s facilities, with the right to re- type acceptance and the transmitting ject any material that it deems inap- equipment instruction manual. (See propriate or undesirable. § 2.983(d)(8) and (j)). (f) Installation of the multiplex (i) Main channel (L+R) under all con- transmitting equipment must conform ditions of amplitude modulations for with the requirements of § 73.1690(e). the stereophonic system but not ex- [47 FR 25345, June 11, 1982, as amended at 49 ceeding amplitude modulation on nega- FR 34015, Aug. 28, 1984; 51 FR 41629, Nov. 18, tive peaks of 100%. 1986; 51 FR 44478, Dec. 10, 1986] (ii) Stereophonic (L¥R) modulated with audio tones of the same amplitude § 73.128 AM Stereophonic Broadcast- ing. at the transmitter input terminals as in paragraph (b)(i) of this section but (a) An Am broadcast station may, with the phase of either the L or R without specific authority from the channel reversed. FCC, transmit stereophonic programs (iii) Left and Right Channel only, upon installation of type accepted under all conditions of modulation for stereophonic transmitting equipment the stereophonic system in use but not and the necessary measuring equip- exceeding amplitude modulation on ment to determine that the stereo- negative peaks of 100%. phonic transmissions conform to the modulation characteristics specified in (c) Effective on December 20, 1994, paragraphs (b) and (c) of this section. stereophonic transmissions shall con- Stations transmitting stereophonic form to the following additional modu- programs prior to March 21, 1994 may lation characteristics: continue to do so until March 21, 1995 (1) The audio response of the main as long as they continue to comply (L+R) channel shall conform to the re- with the rules in effect prior to March quirements of the ANSI/EIA–549–1988, 21, 1994. NRSC–1 AM Preemphasis/Deemphasis (b) The following limitations on the and Broadcast Transmission Band- transmitted wave must be met to in- width Specifications (NRSC–1). sure compliance with the occupied (2) The left and right channel audio bandwidth limitations, compatibility signals shall conform to frequency re- with AM receivers using envelope de- sponse limitations dictated by ANSI/ tectors, and any applicable inter- EIA–549–1988. national agreements to which the FCC (3) The stereophonic difference is a party: (L¥R) information shall be transmit- (1) The transmitted wave must meet ted by varying the phase of the carrier the occupied bandwidth specifications in accordance with the following rela- of § 73.44 under all possible conditions tionship:

−  m( L (t )− R ( t ))  φ = tan 1  1+m( L (t ) + R ( t ))

where: mpeak(L(t)+R(t))=1 for 100% amplitude L(t)=audio signal left channel, modulation, R(t)=audio signal right channel, mpeak(L(t)¥R(t))=1 for 100% phase mod- m=modulation factor, and ulation.

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(4) The carrier phase shall advance in difference (L¥R) channel modulation a positive direction when a left channel and the absence of envelope (L+R) mod- signal causes the transmitter envelope ulation and pilot signal shall represent to be modulated in a positive direction. 100% modulation of the difference The carrier phase shall likewise retard channel. (negative phase change) when a right (7) The composite signal shall con- channel signal causes the transmitter tain a pilot tone for indication of the envelope to be modulated in a positive presence of stereophonic information. direction. The phase modulation shall The pilot tone shall consist of a 25 Hz be symmetrical for the condition of dif- tone, with 3% or less total harmonic ference (L¥R) channel information sent without the presence of envelope distortion and a frequency tolerance of modulation. +/¥ 0.1 H2, which modulates the carrier (5) Maximum angular modulation, phase +/¥ 0.05 radians peak, cor- which occurs on negative peaks of the responding to 5% L¥R modulation left or right channel with no signal when no other modulation is present. present on the opposite channel The injection level shall be 5%, with a (L(t)=¥0.75, R(t)=0, or R(t)=¥0.75, tolerance of +1, ¥1%. L(t)=0) shall not exceed 1.25 radians. (8) The composite signal shall be de- (6) A peak phase modulation of +/ scribed by the following expression: ¥0.785 radians under the condition of

 ∞  = +ω + φ ⋅ Ec A c1 m∑ C sncos() sn t sn   n=1 

 ∞  ω+ φ+ π  m∑ Cdncos() dn t dn .05 sin 50 t  − cosω t + tan 1 n=1   c ∞  +ω + φ  1 m∑ Csncos() sn t sn   n=1 

where: Cdn=the magnitude of the nth term of A=the unmodulated carrier voltage the difference signal ω m=the modulation index sn=the nth order angular velocity of the sum signal C =the magnitude of the nth term of sn ω =the nth order angular velocity of the sum signal dn the difference signal ωc=the angular velocity of the carrier

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  φ = -1 Bsn sn the angle of the nth order term = tan   Asn 

  φ = -1 Bdn dn the angle of the nth order term = tan   Adn 

th Asn and Bsn are the n sine and cosine § 73.150 Directional antenna systems. coefficients of C sn (a) For each station employing a di- A and B are the nth sine and cosine dn dn rectional antenna, all determinations coefficients of C dn of service provided and interference [58 FR 66301, Dec. 20, 1993] caused shall be based on the inverse distance fields of the standard radi- § 73.132 Territorial exclusivity. ation pattern for that station. (As ap- No licensee of an AM broadcast sta- plied to nighttime operation the term tion shall have any arrangement with a ‘‘standard radiation pattern’’ shall in- network organization which prevents clude the radiation pattern in the hori- or hinders another station serving sub- zontal plane, and radiation patterns at stantially the same area from broad- angles above this plane.) casting the network’s programs not (1) Parties submitting directional an- taken by the former station, or which tenna patterns pursuant to this section prevents or hinders another station and § 73.152 (Modified standard pattern) serving a substantially different area must submit patterns which are tab- from broadcasting any program of the ulated and plotted in units of network organization: Provided, how- millivolts per meter at 1 kilometer. ever, That this section does not pro- NOTE: Applications for new stations and for hibit arrangements under which the changes (both minor and major) in existing station is granted first call within its stations must use a standard pattern. primary service area upon the net- work’s programs. The term ‘‘network (b) The following data shall be sub- organization’’ means any organization mitted with an application for author- originating program material, with or ity to install a directional antenna: without commercial messages, and fur- (1) The standard radiation pattern for nishing the same to stations inter- the proposed antenna in the horizontal connected so as to permit simultaneous plane, and where pertinent, tabulated broadcast by all or some of them. How- values for the azimuthal radiation pat- ever, arrangements involving only sta- terns for angles of elevation up to and tions under common ownership, or only including 60 degrees, with a separate the rebroadcast by one station or pro- section for each increment of 5 degrees. gramming from another with no com- (i) The standard radiation pattern pensation other than a lump-sum pay- shall be based on the theoretical radi- ment by the station rebroadcasting, ation pattern. The theoretical radi- are not considered arrangements with ation pattern shall be calculated in ac- a network organization. The term ‘‘ar- cordance with the following mathe- rangement’’ means any contract, ar- matical expression: rangement or understanding, expressed or implied. [42 FR 16422, Mar. 28, 1977]

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n ()φ θ= ∫ () θ θ() φ− φ+ ψ E,th k∑ Fi i / S i cos cos i i (Eq. 1) i=1 where: as computed in accordance with Eq. 1,

E(φ,θ)th Represents the theoretical inverse above. distance fields at one kilometer for the Q is the greater of the following two given azimuth and elevation. quantities: 0.025g(θ) Erss or 10.0g(θ) √ PkW k Represents the multiplying constant where: which determines the basic pattern size. g(θ) is the vertical plane distribution It shall be chosen so that the effective factor, f(θ), for the shortest element in field (RMS) of the theoretical pattern in the array (see Eq. 2, above; also see the horizontal plane shall be no greater than the value computed on the assump- § 73.190, Figure 5). If the shortest ele- tion that nominal station power (see ment has an electrical height in excess § 73.14) is delivered to the directional of 0.5 wavelength, g(θ) shall be com- array, and that a lumped loss resistance puted as follows: of one ohm exists at the current loop of each element of the array, or at the base 2 of each element of electrical height {}∫()θ + 0. 0625 lower than 0.25 wavelength, and no less g()θ = than the value required by § 73.189(b)(2) of 1. 030776 this part for a station of the class and nominal power for which the pattern is Erss is the root sum square of the am- designed. plitudes of the inverse fields of the ele- n Represents the number of elements (tow- ments of the array in the horizontal ers) in the directional array. plane, as used in the expression for i Represents the ith element in the array. E(φ,θ)th (see Eq. 1, above), and is com- th Fi Represents the field ratio of the i ele- puted as follows: ment in the array. θ Represents the vertical elevation angle n measured from the horizontal plane. 2 θ = fi ( ) represents the vertical plane radiation Erss k∑ F i th characteristic of the i antenna. This i=1 value depends on the tower height, as well as whether the tower is top-loaded PkW is the nominal station power ex- or sectionalized. The various formulas pressed in kilowatts, see § 73.14. If the for computing fi (θ) are given in § 73.160. nominal power is less than one kilo- Si Represents the electrical spacing of the watt, PkW=1. ith tower from the reference point. (ii) Where the orthogonal addition of φi Represents the orientation (with respect to true north) of the ith tower. the factor Q to E(φ,θ)th results in a φ Represents the azimuth (with respect to standard pattern whose minimum true north). fields are lower than those found nec- ψ i Represents the electrical phase angle of essary or desirable, these fields may be the current in the ith tower. increased by appropriate adjustment of The standard radiation pattern shall the parameters of E(φ,θ)th. be constructed in accordance with the (2) All patterns shall be computed for following mathematical expression: integral multiples of five degrees, be- ginning with zero degrees representing ()φ θ= () φ θ 2 + 2 true north, and, shall be plotted to the E ,.,std1 05 []EQ th largest scale possible on unglazed let- ter-size paper (main engraving approxi- (Eq. 2) mately 7″ × 10″) using only scale divi- where: sions and subdivisions of 1,2,2.5, or 5 nth E(φ,θ)std represents the inverse dis- times 10 . The horizontal plane pat- tance fields at one kilometer which are tern shall be plotted on polar coordi- produced by the directional antenna in nate paper, with the zero degree point the horizontal and vertical planes. corresponding to true north. Patterns E(φ,θ)th represents the theoretical in- for elevation angles above the hori- verse distance fields at one kilometer zontal plane may be plotted in polar or

35 § 73.150 47 CFR Ch. I (10–1–97 Edition)

rectangular coordinates, with the pat- (5) Electrical description of the tern for each angle of elevation on a array, showing: separate page. Rectangular plots shall (i) Relative amplitudes of the fields begin and end at true north, with all of the array elements. azimuths labelled in increments of not (ii) Relative time phasing of the less than 20 degrees. If a rectangular fields of the array elements in degrees plot is used, the ordinate showing the leading [+] or lagging [¥]. scale for radiation may be logarithmic. (iii) Space phasing between elements Such patterns for elevation angles in degrees. above the horizontal plane need be sub- (iv) Where waiver of the content of mitted only upon specific request by this section is requested or upon re- Commission staff. Minor lobe and null quest of the Commission staff, all as- detail occurring between successive sumptions made and the basis therefor, patterns for specific angles of elevation particularly with respect to the elec- need not be submitted. Values of field trical height of the elements, current strength on any pattern less than ten distribution along elements, efficiency percent of the maximum field strength of each element, and ground conductiv- plotted on that pattern shall be shown ity. on an enlarged scale. Rectangular plots (v) Where waiver of the content of with a logarithmic ordinate need not this section is requested, or upon re- utilize an expanded scale unless nec- quest of the Commission staff, those essary to show clearly the minor lobe formulas used for computing E(φ,θ)th and null detail. and E(φ,θ)std. Complete tabulation of (3) The effective (RMS) field strength final computed data used in plotting in the horizontal plane of E(φ,θ)std, patterns, including data for the deter- E(φ,θ)th and the root-sum-square (RSS) mination of the RMS value of the pat- value of the inverse distance fields of tern, and the RSS field of the array. the array elements at 1 kilometer, de- (6) The values used in specifying the rived from the equation for E(φ,θ)th. parameters which describe the array These values shall be tabulated on the must be specified to no greater preci- page on which the horizontal plane pat- sion than can be achieved with avail- tern is plotted, which shall be specifi- able monitoring equipment. Use of cally labelled as the Standard Hori- greater precision raises a rebuttable zontal Plane Pattern. presumption of instability of the array. (4) Physical description of the array, Following are acceptable values of pre- showing: cision; greater precision may be used (i) Number of elements. only upon showing that the monitoring (ii) Type of each element (i.e., guyed equipment to be installed gives accu- or self-supporting, uniform cross sec- rate readings with the specified preci- tion or tapered (specifying base dimen- sion. sions), grounded or insulated, etc.) (i) Field Ratio: 3 significant figures. (iii) Details of top loading, or (ii) Phasing: to the nearest 0.1 degree. sectionalizing, if any. (iii) Orientation (with respect to a (iv) Height of radiating portion of common point in the array, or with re- each element in feet (height above base spect to another tower): to the nearest insulator, or base, if grounded). 0.1 degree. (v) Overall height of each element (iv) Spacing (with respect to a com- above ground. mon point in the array, or with respect (vi) Sketch of antenna site, indicat- to another tower): to the nearest 0.1 de- ing its dimensions, the location of the gree. antenna elements, thereon, their spac- (v) Electrical Height (for all param- ing from each other, and their orienta- eters listed in Section 73.160): to the tion with respect to each other and to nearest 0.1 degree. true north, the number and length of (vi) Theoretical RMS (to determine the radials in the ground system about pattern size): 4 significant figures. each element, the dimensions of ground (vii) Additional requirements relat- screens, if any, and bonding between ing to modified standard patterns ap- towers and between radial systems. pear in § 73.152(c)(3) and (c)(4).

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(7) Any additional information re- The RMS of the standard pattern in quired by the application form. the horizontal plane is 719.63 mV/m at (c) Sample calculations for the theo- one kilometer. retical and standard radiation follow. [36 FR 919, Jan. 20, 1971, as amended at 37 FR Assume a five kilowatt (nominal 529, Jan. 13, 1972; 41 FR 24134, June 15, 1976; 46 power) station with a theoretical RMS FR 11991, Feb. 12, 1981; 48 FR 24384, June 1, of 685 mV/m at one kilometer. Assume 1983; 51 FR 2707, Jan. 21, 1986; 52 FR 36877, that it is an in-line array consisting of Oct. 1, 1987; 56 FR 64861, Dec. 12, 1991; 57 FR three towers. Assume the following pa- 43290, Sept. 18, 1992] rameters for the towers: § 73.151 Field strength measurements to establish performance of direc- Rel- Rel- ative tional antennas. Tower Field Relative ative ori- ratio phasing spac- enta- (a) In addition to the information re- ing tion quired by the license application form, the following showing must be submit- 1 ...... 1.0 ¥128.5 0.0 0.0 2 ...... 1.89 0.0 110.0 285.0 ted to establish for each mode of direc- 3 ...... 1.0 128.5 220.0 285.0 tional operation, that the effective measured field strength (RMS) at 1 Assume that tower 1 is a typical mile is not less than 85 percent of the tower with an electrical height of 120 effective field strength specified for the degrees. Assume that tower 2 is top- standard radiation pattern for that loaded in accordance with the method mode of directional operation, or less described in § 73.160(b)(2) where A is 120 than that specified in § 73.189(b) for the electrical degrees and B is 20 electrical class of station involved, whichever is the higher value, and that the meas- degrees. Assume that tower 3 is ured field strength at 1 mile in any di- sectionalized in accordance with the rection does not exceed the field shown method described in § 73.160(b)(3) where in that direction on the standard radi- A is 120 electrical degrees, B is 20 elec- ation pattern for that mode of direc- trical degrees, C is 220 electrical de- tional operation: grees, and D is 15 electrical degrees. (1) A tabulation of inverse field The multiplying constant will be strengths in the horizontal plane at 1 323.6. mile, as determined from field strength Following is a tabulation of part of measurements taken and analyzed in the theoretical pattern: accordance with § 73.186, and a state- ment of the effective field strength Vertical Azimuth 0 30 60 angle (RMS), based on these measurements. Measurements shall be made in at least 0 ...... 15.98 62.49 68.20 the following directions: 105 ...... 1225.30 819.79 234.54 (i) Those specified in the instrument 235 ...... 0.43 18.46 34.56 of authorization. 247 ...... 82.62 51.52 26.38 (ii) In major lobes. Generally at least If we further assume that the station three radials are necessary to establish has a standard pattern, we find that Q, a major lobe; however, additional for θ=0, is 22.36. radials may be required. (iii) Along sufficient number of other Following is a tabulation of part of radials to establish the effective field. the standard pattern: In the case of a relatively simple direc- Vertical tional antenna pattern, approximately Azimuth 0 30 60 angle five radials in addition to those in paragraphs (a)(1) (i) and (ii) of this sec- 0 ...... 28.86 68.05 72.06 105 ...... 1286.78 860.97 246.41 tion are sufficient. However, when 235 ...... 23.48 26.50 37.18 more complicated patterns are in- 247 ...... 89.87 57.03 28.87 volved, that is, patterns having several or sharp lobes or nulls, measurements shall be taken along as many radials as may be necessary, to definitely estab- lish the pattern(s).

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(2) A tabulation of: lotments, or in directions specifically (i) The phase difference of the cur- identified by the Commission. rent in each other element with respect [36 FR 919, Jan. 20, 1971, as amended at 42 FR to the reference element, and whether 36828, July 18, 1977; 49 FR 23348, June 6, 1984; the current leads (+) or lags (¥) the 50 FR 32416, Aug. 12, 1985; 56 FR 64862, Dec. 12, current in the reference element, as in- 1991] dicated by the station’s antenna mon- itor. § 73.152 Modification of directional an- (ii) The ratio of the amplitude of the tenna data. radio frequency current in each other (a) If, after construction and final ad- element to the current in the reference justment of a directional antenna, a element, as indicated on the station’s measured inverse distance field in any antenna monitor. direction exceeds the field shown on (iii) The value of the radio frequency the standard radiation pattern for the current at the base of each element, pertinent mode of directional oper- and the ratio of the current in each ation, an application shall be filed, other element to the base current in specifying a modified standard radi- the reference element. If there are sub- ation pattern and/or such changes as stantial differences between the ratios may be required in operating param- established in paragraph (a)(2)(ii) of eters so that all measured effective this section and the ratios computed in fields will be contained within the this paragraphs (a)(2)(iii) and/or if modified standard radiation pattern. there are substantial differences be- (b) Normally, a modified standard tween the parameters established in pattern is not acceptable at the initial paragraphs (a)(2) (i) and (ii) of this sec- construction permit stage, before a proof-of-performance has been com- tion and this paragraph (a)(2)(iii), and pleted. However, in certain cases, those used in the design of the stand- where it can be shown that modifica- ard radiation pattern, a full expla- tion is necessary, a modified standard nation of the reasons for these dif- pattern will be acceptable at the initial ferences shall be given. construction permit stage. Following is (3) The actual field strength meas- a non-inclusive list of items to be con- ured at each monitoring point estab- sidered in determining whether a modi- lished in the various directions for fication is acceptable at the initial which a limiting field was specified in construction permit stage: the instrument of authorization to- (1) When the proposed pattern is es- gether with accurate and detailed de- sentially the same as an existing pat- scription of each monitoring point to- tern at the same antenna site. (e.g., A gether with ordinary snapshots, clear DA–D station proposing to become a and sharp, taken with the field DA–1 station.) strength meter in its measuring posi- (2) Excessive reradiating structures, tion and with the camera so located which should be shown on a plat of the that its field of view takes in as many antenna site and surrounding area. pertinent landmarks as possible. In ad- (3) Other environmental factors; they dition, the directions for proceeding to should be fully described. each monitoring point together with a (4) Judgment and experience of the rough sketch or map upon which has engineer preparing the engineering been indicated the most accessible ap- portion of the application. This must proaches to the monitoring points be supported with a full discussion of should be submitted. the pertinent factors. (b) For stations authorized to operate (c) The following general principles with simple directional antenna sys- shall govern the situations in para- tems (e.g., two towers) in the 1605–1705 graphs (a) and (b) in this section: kHz band, the measurements to sup- (1) Where a measured field in any di- port pattern RMS compliance referred rection will exceed the authorized to in paragraphs (a)(1)(ii) and (a)(1)(iii) standard pattern, the license applica- of this section are not required. In such tion may specify the level at which the cases, measured radials are required input power to the antenna shall be only in the direction of short-spaced al- limited to maintain the measured field

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at a value not in excess of that shown be so negative that E(φ,α)aug is less than φ θ on the standard pattern, and shall E( , )th at any azimuth or vertical elevation specify the common point current cor- angle. responding to this power level. This g(θ) is defined in § 73.150(b)(1)(i). value of common point current will be S is the angular range, or ‘‘span’’, over specified on the license for that sta- which augmentation is applied. The span tion. is centered on the central azimuth of (2) Where any excessive measured augmentation. At the limits of the span, field does not result in objectionable the augmented pattern merges into the interference to another station, a unaugmented pattern. Spans may over- modification of construction permit lap. application may be submitted with a DA is the absolute horizontal angle be- modified standard pattern encompass- tween the azimuth at which the aug- mented pattern value is being computed ing all measured fields. The modified and the central azimuth of augmenta- standard pattern shall supersede the tion. (DA cannot exceed 1/2 S.) previously submitted standard radi- ation pattern for that station in the In the case where there are spans pertinent mode of directional oper- which overlap, the above formula shall ation. Following are the possible meth- be applied repeatedly, once for each ods of creating a modified standard augmentation, in ascending order of pattern: central azimuth of augmentation, be- (i) The modified pattern may be com- ginning with zero degrees representing puted by making the entire pattern true North. Note that, when spans larger than the original pattern (i.e., overlap, there will be, in effect, an aug- have a higher RMS value) if the meas- mentation of an augmentation. And, if ured fields systematically exceed the the span of an earlier augmentation confines of the original pattern. The overlaps the central azimuth of a later larger pattern shall be computed by augmentation, the value of ‘‘A’’ for the using a larger multiplying constant, k, later augmentation will be different in the theoretical pattern equation than the value of ‘‘A’’ without the (Eq. 1) in § 73.150(b)(1). overlap of the earlier span. (ii) Where the measured field exceeds (iii) A combination of paragraphs the pattern in discrete directions, but (c)(2) (i) and (ii), of this section, with objectionable interference does not re- (i) being applied before (ii) is applied. sult, the pattern may be expanded over (iv) Where the measured inverse dis- sectors including these directions. tance field exceeds the value permitted When this ‘‘augmentation’’ is desired, by the standard pattern, and aug- it shall be achieved by application of mentation is allowable under the terms the following equation: of this section, the requested amount of augmentation shall be centered upon φ θ √ { φ θ }2 { θ E( , )aug = E( , )std + A g( ) cos (180 DA the azimuth of the radial upon which S }2 the excessive radiation was measured where: and shall not exceed the following: E(φ,θ)std is the standard pattern field at (A) The actual measured inverse dis- some particular azimuth and elevation tance field value, where the radial does angle, before augmentation, computed not involve a required monitoring pursuant to Eq. 2, § 73.150(b)(1)(i). point. E(φ,θ)aug. is the field in the direction speci- fied above, after augmentation. (B) 120% of the actual measured in- 2 2 A=E(φ, O) aug¥E(φ, O) std in which φ is the verse field value, where the radial has central azimuth of augmentation. E(φ, a monitoring point required by the in- O)aug and E(φ, O)std are the fields in the strument of authorization. horizontal plane at the central azimuth of augmentation. Whereas some pattern smoothing can be accommodated, the extent of the re- NOTE: ‘‘A’’ must be positive, except during quested span(s) shall be minimized and the process of converting non-standard pat- in no case shall a requested augmenta- terns to standard patterns pursuant to the Report and Order in Docket No. 21473, and in tion span extend to a radial azimuth making minor changes to stations with pat- for which the analyzed measurement terns developed during the conversion. How- data does not show a need for aug- ever, even when ‘‘A’’ is negative, ‘‘A’’ cannot mentation.

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(3) A Modified Standard Pattern shall Azimuth 0 30 60 Vertical be specifically labeled as such, and angle shall be plotted in accordance with the 105 ...... 1,299.42 872.14 254.21 ...... requirements of paragraph (b)(2) of 235 ...... 39.00 35.74 38.71 ...... § 73.150. The effective (RMS) field 247 ...... 100.47 66.69 32.78 ...... strength in the horizontal plane of E(φ,α)std, E(φ,α)th, and the root sum [46 FR 11992, Feb. 12, 1981, as amended at 56 square (RSS) value of the inverse fields FR 64862, Dec. 12, 1991] of the array elements (derived from the equation for E(φ,α)th), shall be tab- § 73.153 Field strength measurements ulated on the page on which the hori- in support of applications or evi- zontal plane pattern is plotted. Where dence at hearings. sector augmentation has been em- In the determination of interference, ployed in designing the modified pat- groundwave field strength measure- tern, the direction of maximum aug- ments will take precedence over theo- mentation (i.e., the central azimuth of retical values, provided such measure- augmentation) shall be indicated on ments are properly taken and pre- the horizontal plane pattern for each sented. When measurements of augmented sector, and the limits of groundwave signal strength are pre- each sector shall also be shown. Field sented, they shall be sufficiently com- values within an augmented sector, plete in accordance with § 73.186 to de- computed prior to augmentation, shall termine the field strength at 1 mile in be depicted by a broken line. the pertinent directions for that sta- (4) There shall be submitted, for each tion. The antenna resistance measure- modified standard pattern, complete ments required by § 73.186 need not be tabulations of final computed data taken or submitted. used in plotting the pattern. In addi- [44 FR 36037, June 20, 1979, as amended at 56 tion, for each augmented sector, the FR 64862, Dec. 12, 1991] central azimuth of augmentation, span, and radiation at the central azimuth of § 73.154 AM directional antenna par- augmentation (E(φ,α)aug) shall be tab- tial proof of performance measure- ulated. ments. (5) The parameters used in computing (a) A partial proof of performance the modified standard pattern shall be consists of at least 10 field strength specified with realistic precision. Fol- measurements made on each of the lowing is a list of the maximum ac- radials established in the latest com- ceptable precision: plete proof of performance of the direc- (i) Central Azimuth of Augmenta- tional antenna system. tion: to the nearest 0.1 degree. (b) The measurements are to be made (ii) Span: to the nearest 0.1 degree. within 2 to 10 miles (3 to 16 kilometers) (iii) Radiation at Central Azimuth of from the center of the antenna array. Augmentation: 4 significant figures. When a monitoring point as designated (d) Sample calculations for a modi- on the station authorization is on a fied standard pattern follow. First, as- particular radial, one of the radial sume the existing standard pattern in measurements must be made at that § 73.150(c). Then, assume the following point. augmentation parameters: (c) The results of the measurements Central Radiation are to be analyzed in either of two Augmentation number azi- Span at central methods. Either the arithmetic aver- muth azimuth age or the logarithmic average of the 1 ...... 110 40 1,300 ratios of the field strength at each 2 ...... 240 50 52 measurement point along each radial 3 ...... 250 10 130 to the corresponding field strength in Following is a tabulation of part of the most recent complete proof of per- the modified standard pattern: formance may be used to establish the inverse distance fields. (The loga- Azimuth 0 30 60 Vertical rithmic average for each radial is the angle antilogarithm of the mean of the loga- 0 ...... 28.86 68.05 72.06 ...... rithms of the ratios of field strength

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(new to old) for each measurement lo- is to be promptly submitted to the FCC cation along a given radial). in Washington, DC. The application (d) The result of the most recent par- must include the following informa- tial proof of performance measure- tion: ments and analysis is to be retained in (1) A partial proof of performance the station records available to the conducted on the radial containing the FCC upon request. monitoring point to be changed. [50 FR 47054, Nov. 14, 1985] (2) A written description of the rout- ing to the new selected monitoring § 73.157 Antenna testing during day- point. time. (3) A map showing the location and (a) The licensee of a station using a routing to the new selected monitoring directional antenna during daytime or point. nighttime hours may, without further (4) A photograph showing the new authority, operate during daytime monitoring point in relation to nearby hours with the licensed nighttime di- permanent landmarks that can be used rectional facilities or with a nondirec- in locating the point accurately at all tional antenna when conducting mon- times throughout the year. Do not use itoring point field strength measure- seasonal or temporary features in ei- ments or antenna proof of performance ther the written descriptions or photo- measurements. graphs as landmarks for locating field (b) Operation pursuant to this sec- points. tion is subject to the following condi- (b) When the descriptive routing to tions: reach any of the monitoring points as (1) No harmful interference will be shown on the station license is no caused to any other station. longer correct due to road or building (2) The FCC may notify the licensee construction or other changes, the li- to modify or cease such operation to censee must prepare and file with the resolve interference complaints or FCC, in Washington, DC, a request for when such action may appear to be in a corrected station license showing the the public interest, convenience and new routing description. A copy of the necessity. description is to be posted with the ex- (3) Such operation shall be under- isting station license. The notification taken only for the purpose of taking is to include the information specified monitoring point field strength meas- in paragraphs (a) (2) and (3) of this sec- urements or antenna proof of perform- tion. ance measurements, and shall be re- [47 FR 28387, June 30, 1982] stricted to the minimum time required to accomplish the measurements. § 73.160 Vertical plane radiation char- (4) Operating power in the nondirec- acteristics, f(θ). tional mode shall be adjusted to the (a) The vertical plane radiation char- same power as was utilized for the acteristics show the relative field being most recent nondirectional proof of radiated at a given vertical angle, with performance covering the licensed fa- respect to the horizontal plane. The cilities. vertical angle, represented as θ, is 0 de- [50 FR 30947, July 31, 1985] grees in the horizontal plane, and 90 de- grees when perpendicular to the hori- § 73.158 Directional antenna monitor- zontal plane. The vertical plane radi- ing points. ation characteristic is referred to as θ θ (a) When a licensee of a station using f( ). The generic formula for f( ) is: a directional antenna system finds that f(θ)=E(θ)/E(O) a field monitoring point, as specified where: on the station authorization, is no E(θ) is the radiation from the tower at longer accessible for use or is unsuit- angle θ. able because of nearby construction or E(O) is the radiation from the tower in the other disturbances to the measured horizontal plane. field, an informal application to (b) Listed below are formulas for f(θ) change the monitoring point location for several common towers.

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(1) For a typical tower, which is not G is the electrical height of the tower, not top-loaded or sectionalized, the follow- including the base insulator and pier. (In ing formula shall be used: the case of a folded unipole tower, the entire radiating structure’s electrical cos (GG sinθ )− cos height is used.) f()θ = (1− cosG ) cos θ (2) For a top-loaded tower, the fol- lowing formula shall be used: where:

cosBABAAB cos ( sinθ )− sin θ sin sin ( sin θ ) − cos ( + ) f()θ = cosθ (cosBAB− cos ( + ))

where: (G, based on current distribution) and the actual physical height. A is the physical height of the tower, in G is the apparent electrical height: the electrical degrees, and sum of A and B; A+B. B is the difference, in electrical degrees, between the apparent electrical height See Figure 1 of this section.

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(3) For a sectionalized tower, the fol- lowing formula shall be used:

{sin∆ [cosBAG cos ( sinθ )− cos ] + sinBDCDCA [cos cos ( sinθ )− sin θ sin sin ( sin θ ) − cos∆ cos ( sin θ )]} f()θ = cosθ [sin∆ (cosBGBD− cos ) + sin (cos − cos ∆ )]

where: D is the difference between the apparent electrical height of the tower (based on A is the physical height, in electrical de- current distribution of the upper section) grees, of the lower section of the tower. and the physical height of the entire B is the difference between the apparent tower. D will be zero if the sectionalized electrical height (based on current dis- tower is not top-loaded. tribution) of the lower section of the G is the sum of A and B; A+B. tower and the physical height of the H is the sum of C and D; C+D. lower section of the tower. ∆ is the difference between H and A; H¥A. C is the physical height of the entire tower, in electrical degrees. See Figure 2 of this section.

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(c) One of the above f(θ) formulas local. The classes and power of AM must be used in computing radiation in broadcast stations which will be as- the vertical plane, unless the applicant signed to the various channels are set submits a special formula for a par- forth in § 73.21. The classifications of ticular type of antenna. If a special for- the AM broadcast stations are as fol- mula is submitted, it must be accom- lows: panied by a complete derivation and (1) Class A stations operate on clear sample calculations. Submission of val- channels with powers no less than ues for f(θ) only in a tabular or graphi- 10kW nor greater than 50 kW. These cal format (i.e., without a formula) is stations are designed to render primary not acceptable. and secondary service over an extended (d) Following are sample calcula- area, with their primary services areas tions. (The number of significant fig- protected from objectionable inter- ures shown here should not be inter- ference from other stations on the preted as a limitation on the number of same and adjacent channels. Their sec- significant figures used in actual cal- ondary service areas are protected culations.) from objectionable interference from (1) For a typical tower, as described co-channel stations. For purposes of in paragraph (b)(1) of this section, as- protection, Class A stations may be di- sume that G=120 electrical degrees: vided into two groups, those located in θ f(θ) any of the contiguous 48 States and those located in Alaska in accordance 0 ...... 1.0000 with § 73.25. 30 ...... 0.7698 60 ...... 0.3458 (i) The mainland U.S. Class A sta- tions are those assigned to the chan- (2) For a top-loaded tower, as de- nels allocated by § 73.25. The power of scribed in paragraph (b)(2) of this sec- these stations shall be 50 kW. The Class tion, assume A=120 electrical degrees, A stations in this group are afforded B=20 electrical degrees, and G=140 elec- protection as follows: trical degrees, (120+20): (A) Daytime. To the 0.1 mV/m groundwave contour from stations on θ θ f( ) the same channel, and to the 0.5 mV/m 0 ...... 1.0000 groundwave contour from stations on 30 ...... 0.7364 adjacent channels. 60 ...... 0.2960 (B) Nighttime. To the 0.5 mV/m-50% (3) For a sectionalized tower, as de- skywave contour from stations on the scribed in paragraph (b)(3) of this sec- same channels. tion, assume A=120 electrical degrees, (ii) Class A stations in Alaska oper- B=20 electrical degrees, C=220 elec- ate on the channels allocated by § 73.25 trical degrees, D=15 electrical degrees, with a minimum power of 10 kW, a G=140 electrical degrees (120+20), H=235 maximum power of 50 kW, and an an- electrical degrees (220+15), and ∆=115 tenna efficiency of 282 mV/m/kW at 1 electrical degrees (235¥120): kilometer. Stations operating on these channels in Alaska which have not θ f(θ) been designated as Class A stations in 0 ...... 1.0000 response to licensee request will con- 30 ...... 0.5930 tinue to be considered as Class B sta- 60 ...... 0.1423 tions. During daytime hours a Class A station in Alaska is protected to the [46 FR 11993, Feb. 12, 1981] 100 µV/m groundwave contour from co- channel stations. During nighttime § 73.182 Engineering standards of allo- hours, a Class A station in Alaska is cation. protected to the 100 µV/m-50 percent (a) Sections 73.21 to 73.37, inclusive, skywave contour from co-channel sta- govern allocation of facilities in the tions. The 0.5 mV/m groundwave con- AM broadcast band 535–1705 kHz. § 73.21 tour is protected both daytime and establishes three classes of channels in nighttime from stations on adjacent this band, namely, clear, regional and channels.

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NOTE: In the Report and Order in MM C to Class B stations under § 73.26(b) shall not Docket No. 83–807, the Commission des- be authorized to increase power to levels ignated 15 stations operating on U.S. clear that would increase the nighttime inter- channels as Alaskan Class A stations. Eleven ference-free limit of co-channel Class C sta- of these stations already have Alaskan Class tions in the conterminous United States. A facilities and are to be protected accord- ingly. Permanent designation of the other (3) Class C stations operate on local four stations as Alaskan Class A is condi- channels, normally rendering primary tioned on their constructing minimum Alas- service to a community and the subur- kan Class A facilities no later than Decem- ban or rural areas immediately contig- ber 31, 1989. Until that date or until such fa- cilities are obtained, these four stations uous thereto, with powers not less than shall be temporarily designated as Alaskan 0.25 kW, nor more than 1 kW, except as Class A stations, and calculations involving provided in § 73.21(c)(1). Such stations these stations should be based on existing fa- are normally protected to the daytime cilities but with an assumed power of 10 kW. 0.5 mV/m contour. On local channels Thereafter, these stations are to be pro- the separation required for the daytime tected based on their actual Alaskan Class A facilities. If any of these stations does not protection shall also determine the obtain Alaskan Class A facilities in the pe- nighttime separation. Where direc- riod specified, it is to be protected as a Class tional antennas are employed daytime B station based on its actual facilities. These by Class C stations operating with four stations may increase power to 10 kW more than 0.25 kW power, the separa- without regard to the impact on co-channel Class B stations. However, power increases tions required shall in no case be less by these stations above 10 kW (or by existing than those necessary to afford protec- Alaskan Class A stations beyond their cur- tion, assuming nondirectional oper- rent power level) are subject to applicable ation with 0.25 kW. In no case will 0.25 protection requirements for co-channel Class kW or greater nighttime power be au- B stations. Other stations not on the original thorized to a station unable to operate list but which meet applicable requirements may obtain Alaskan Class A status by seek- nondirectionally with a power of 0.25 ing such designation from the Commission. kW during daytime hours. The actual If a power increase or other change in facili- nighttime limitation will be cal- ties by a station not on the original list is culated. For nighttime protection pur- required to obtain minimum Alaskan Class A poses, Class C stations in the 48 contig- facilities, any such application shall meet uous United States may assume that the interference protection requirements ap- plicable to an Alaskan Class A proposal on stations in Alaska, Hawaii, Puerto the channel. Rico, and the U.S. Virgin Islands oper- ating on 1230, 1240, 1340, 1400, 1450, and (2) Class B stations are stations 1490 kHz are Class C stations. which operate on clear and regional (4) Class D stations operate on clear channels with powers not less than 0.25 kW nor more than 50 kW. These sta- and regional channels with daytime tions render primary service only, the powers of not less than 0.25 kW (or area of which depends on their geo- equivalent RMS field of 141 mV/m at graphical location, power, and fre- one kilometer if less than 0.25 kW) and quency. It is recommended that Class B not more than 50 kW. Class D stations stations be located so that the inter- that have previously received night- ference received from other stations time authority operate with powers of will not limit the service area to a less than 0.25 kW (or equivalent RMS groundwave contour value greater than fields of less than 141 mV/m at one kil- 2.0 mV/m nighttime and to the 0.5 mV/ ometer) are not required to provide m groundwave contour daytime, which nighttime coverage in accordance with are the values for the mutual protec- § 73.24(j) and are not protected from in- tion between this class of stations and terference during nighttime hours. other stations of the same class. Such nighttime authority is permitted

NOTE: See §§ 73.21(b)(1) and 73.26(b) concern- on the basis of full nighttime protec- ing power restrictions and classifications tion being afforded to all Class A and relative to Class B, Class C, and Class D sta- Class B stations. tions in Alaska, Hawaii, Puerto Rico and the (b) When a station is already limited U.S. Virgin Islands. Stations in the above- by interference from other stations to named places that are reclassified from Class

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a contour value greater than that nor- (g) Secondary service is provided dur- mally protected for its class, the indi- ing nighttime hours in areas where the vidual received limits shall be the es- skywave field strength, 50% or more of tablished standard for such station the time, is 0.5 mV/m or greater (0.1 with respect to interference from each mV/m in Alaska). Satisfactory second- other station. ary service to cities is not considered (c) The four classes of AM broadcast possible unless the field strength of the stations have in general three types of skywave signal approaches or exceeds service areas, i.e., primary, secondary the value of the groundwave field and intermittent. (See § 73.14 for the strength that is required for primary definitions of primary, secondary, and service. Secondary service is subject to intermittent service areas.) Class A some interference and extensive fading stations render service to all three whereas the primary service area of a areas. Class B stations render service station is subject to no objectionable to a primary area but the secondary interference or fading. Only Class A and intermittent service areas may be stations are assigned on the basis of materially limited or destroyed due to rendering secondary service. interference from other stations, de- pending on the station assignments in- NOTE: Standards have not been established for objectionable fading because of the rela- volved. Class C and Class D stations tionship to receiver characteristics. Selec- usually have only primary service tive fading causes audio distortion and sig- areas. Interference from other stations nal strength reduction below the noise level, may limit intermittent service areas objectionable characteristics inherent in and generally prevents any secondary many modern receivers. The AVC circuits in service to those stations which operate the better designed receivers generally main- at night. Complete intermittent serv- tain the audio output at a sufficiently con- ice may still be obtained in many cases stant level to permit satisfactory reception depending on the station assignments during most fading conditions. involved. (h) Intermittent service is rendered (d) The groundwave signal strength by the groundwave and begins at the required to render primary service is 2 outer boundary of the primary service mV/m for communities with popu- area and extends to a distance where lations of 2,500 or more and 0.5 mV/m the signal strength decreases to a value for communities with populations of that is too low to provide any service. less than 2,500. See § 73.184 for curves This may be as low as a few µV/m in showing distance to various certain areas and as high as several groundwave field strength contours for millivolts per meter in other areas of different frequencies and ground con- high noise level, interference from ductivities, and also see § 73.183, other stations, or objectionable fading ‘‘Groundwave signals.’’ at night. The intermittent service area (e) A Class C station may be author- may vary widely from day to night and ized to operate with a directional an- generally varies over shorter intervals tenna during daytime hours providing of time. Only Class A stations are pro- the power is at least 0.25 kW. In com- tected from interference from other puting the degrees of protection which stations to the intermittent service such antenna will afford, the radiation area. produced by the directional antenna (i) Broadcast stations are licensed to system will be assumed to be no less, in operate unlimited time, limited time, any direction, than that which would daytime, share time, and specified result from non-directional operation hours. (See §§ 73.1710, 73.1725, 73.1720, using a single element of the direc- 73.1715, and 73.1730.) Applications for tional array, with 0.25 kW. new stations shall specify unlimited (f) All classes of broadcast stations time operation only. have primary service areas subject to (j) Section 73.24 sets out the general limitation by fading and noise, and in- requirements for modifying the facili- terference from other stations to the ties of a licensed station and for estab- contours set out for each class of sta- lishing a new station. Sections 73.24(b) tion. and 73.37 include interference related

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provisions that be considered in con- tor value for evaluating a station’s eli- nection with an application to modify gibility for migration to the band 1605– the facilities of an existing station or 1705 kHz. to establish a new station. Section (4) The RSS value will not be consid- 73.30 describes the procedural steps re- ered to be increased when a new inter- quired to receive an authorization to fering signal is added which is less than operate in the 1605–1705 kHz band. the appropriate exclusion percentage (k) Objectionable nighttime inter- as applied to the RSS value of the in- ference from a broadcast station occurs terference from existing stations, and when, at a specified field strength con- which at the same time is not greater tour with respect to the desired sta- than the smallest signal included in tion, the field strength of an undesired the RSS value of interference from ex- station (co-channel or first adjacent isting stations. channel, after application of proper (5) It is recognized that application of protection ratio) exceeds for 10% or the above ‘‘50% exclusion’’ method (or more of the time the values set forth in any exclusion method using a per cent these standards. The value derived value greater than zero) of calculating from the root-sum-square of all inter- the RSS interference may result in ference contributions represents the some cases in anomalies wherein the extent of a station’s interference-free addition of a new interfering signal or coverage. the increase in value of an existing (1) With respect to the root-sum- interfering signal will cause the exclu- square (RSS) values of interfering field sion of a previously included signal and strengths referred to in this section, may cause a decrease in the calculated calculation of nighttime interference- RSS value of interference. In order to free service is accomplished by consid- provide the Commission with more re- ering the signals on the three channels alistic information regarding gains and of concern (co- and first adjacencies) in losses in service (as a basis for deter- order of decreasing magnitude, adding mination of the relative merits of a the squares of the values and extract- proposed operation) the following al- ing the square root of the sum, exclud- ternate method for calculating the pro- ing those signals which are less than posed RSS values of interference will 50% of the RSS values of the higher be employed wherever applicable. signals already included. (6) In the cases where it is proposed (2) With respect to the root-sum- to add a new interfering signal which is square values of interfering field not less than 50% (or 25%, depending on strengths referred to in this section, which study is being performed) of the calculation of nighttime interference RSS value of interference from exist- for non-coverage purposes is accom- ing stations or which is greater that plished by considering the signals on the smallest signal already included to the three channels of concern (co- and obtain this RSS value, the RSS limita- first adjacencies) in order of decreasing tion after addition of the new signal magnitude, adding the squares of the shall be calculated without excluding values and extracting the square root any signal previously included. Simi- of the sum, excluding those signals larly, in cases where it is proposed to which are less than 25% of the RSS val- increase the value of one of the exist- ues of the higher signals already in- ing interfering signals which has been cluded. included in the RSS value, the RSS (3) With respect to the root-sum- limitation after the increase shall be square values of interfering field calculated without excluding the inter- strengths referred to in this section, ference from any source previously in- calculation is accomplished by consid- cluded. ering the signals on the three channels (7) If the new or increased signal pro- of concern (co- and first adjacencies) in posed in such cases is ultimately au- order of decreasing magnitude, adding thorized, the RSS values of inter- the squares of the values and extract- ference to other stations affected will ing the square root of the sum. The 0% thereafter be calculated by the ‘‘50% exclusion method applies only to the exclusion’’ (or 25% exclusion, depend- determination of an improvement fac- ing on which study is being performed)

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method without regard to this alter- paragraph (q) of this section with re- nate method of calculation. spect to the class to which the station (8) Examples of RSS interference cal- belongs, the field strength of an inter- culations: fering station operating on the same (i) Existing interferences: channel or on a first adjacent channel Station No. 1—1.00 mV/m. after signal adjustment using the prop- Station No. 2—0.60 mV/m. er protection ratio, exceeds for 10% or Station No. 3—0.59 mV/m. more of the time the value of the per- Station No. 4—0.58 mV/m. missible interfering signal set forth op- The RSS value from Nos. 1, 2 and 3 is 1.31 posite such class in paragraph (q) of mV/m; therefore interference from No. 4 is this section. excluded for it is less than 50% of 1.31 mV/m. (m) For the purpose of estimating the (ii) Station A receives interferences coverage and the interfering effects of from: stations in the absence of field Station No. 1—1.00 mV/m. strength measurements, use shall be Station No. 2—0.60 mV/m. made of Figure 8 of § 73.190, which de- Station No. 3—0.59 mV/m. scribes the estimated effective field It is proposed to add a new limitation, 0.68 (for 1 kW power input) of simple verti- mV/m. This is more than 50% of 1.31 mV/m, cal omnidirectional antennas of var- the RSS value from Nos. 1, 2 and 3. The RSS ious heights with ground systems hav- value of Station No. 1 and of the proposed ing at least 120 quarter-wavelength station would be 1.21 m/Vm which is more radials. Certain approximations, based than twice as large as the limitation from on the curve or other appropriate the- Station No. 2 or No. 3. However, under the above provision the new signal and the three ory, may be made when other than existing interferences are nevertheless cal- such antennas and ground systems are culated for purposes of comparative studies, employed, but in any event the effec- resulting in an RSS value of 1.47 mV/m. How- tive field to be employed shall not be ever, if the proposed station is ultimately less than the following: authorized, only No. 1 and the new signal are included in all subsequent calculations for Effective field the reason that Nos. 2 and 3 are less than Class of station (at 1 km) 50% of 1.21 mV/m, the RSS value of the new signal and No. 1. All Class A (except Alaskan) ...... 362 mV/m. Class A (Alaskan), B and D ...... 282 mV/m. (iii) Station A receives interferences Class C ...... 241 mV/m. from: Note (1): When a directional antenna is employed, the radi- ated signal of a broadcasting station will vary in strength in Station No. 1—1.00 mV/m. different directions, possibly being greater than the above val- Station No. 2—0.60 mV/m. ues in certain directions and less in other directions depend- Station No. 3—0.59 mV/m. ing upon the design and adjustment of the directional antenna system. To determine the interference in any direction, the No. 1 proposes to increase the limitation it measured or calculated radiated field (unattenuated field imposes on Station A to 1.21 mV/m. Although strength at 1 kilometer from the array) must be used in con- the limitations from stations Nos. 2 and 3 junction with the appropriate propagation curves. (See § 73.185 for further discussion and solution of a typical direc- are less than 50% of the 1.21 mV/m limita- tional antenna case.) tion, under the above provision they are nev- Note (2): For Class B stations in Alaska, Hawaii, Puerto ertheless included for comparative studies, Rico and the U.S. Virgin Islands, 241 mV/m shall be used. and the RSS limitation is calculated to be (n) The existence or absence of objec- 1.47 mV/m. However, if the increase proposed by Station No. 1 is authorized, the RSS value tionable groundwave interference from then calculated is 1.21 mV/m because Sta- stations on the same or adjacent chan- tions Nos. 2 and 3 are excluded in view of the nels shall be determined by actual fact that the limitations they impose are measurements made in accordance less than 50% of 1.21 mV/m. with the method described in § 73.186, or NOTE: The principles demonstrated in the in the absence of such measurements, previous examples for the calculation of the by reference to the propagation curves 50% exclusion method also apply to calcula- of § 73.184. The existence or absence of tions using the 25% exclusion method after objectionable interference due to appropriate adjustment. skywave propagation shall be deter- (l) Objectionable nighttime inter- mined by reference to Formula 2 in ference from a station shall be consid- § 73.190. ered to exist to a station when, at the (o) Computation of Skywave Field field strength contour specified in Strength Values:

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(1) Fifty Percent Skywave Field strength for stations on all channels, Strength Values (Clear Channel). In the pertinent vertical angle shall be computing the fifty percent skywave determined by use of the formula in field strength values of a Class A clear § 73.190(d). channel station, use shall be made of (p) The distance to any specified Formula 1 of § 73.190, entitled groundwave field strength contour for ‘‘Skywave Field Strength’’ for 50 per- any frequency may be determined from cent of the time. the appropriate curves in § 73.184 enti- (2) Ten Percent Skywave Field tled ‘‘Ground Wave Field Strength vs. Strength Values. In computing the 10% Distance.’’ skywave field strength for stations on (q) Normally protected service con- a single signal or an RSS basis, For- tours and permissible interference sig- mula 2 in § 73.190 shall be used. nals for broadcast stations are as fol- (3) Determination of Angles of Depar- lows (for Class A stations, see also ture. In calculating skywave field paragraph (a) of this section):

Signal strength contour of area protected from Permissible interfering signal Class of channel objectionable interference 1(µV/m) (µV/m) Class of station used Day 2 Night Day 2 Night 3

A ...... Clear ...... SC 100 SC 500 50% SW SC 5 SC 25 AC 500 AC 500 GW AC 250 AC 250 A (Alaskan) ...... do ...... SC 100 SC 100 50% SW SC 5 SC 5 AC 500 AC 500 GW AC 250 AC 250 B ...... Clear ...... 500 2000 2 25 25 Regional ...... AC 250 250 C ...... Local ...... 500 No presc.4 SC25 Not presc. D ...... Clear ...... 500 Not presc SC 25 Not presc. Regional ...... AC 250 1 When a station is already limited by interference from other stations to a contour of higher value than that normally protected for its class, this higher value contour shall be the established protection standard for such station. Changes proposed by Class A and B stations shall be required to comply with the following restrictions. Those interferers that contribute to another station's RSS using the 50% exclusion method are required to either reduce their contributions to that RSS by 10%, or to a level at which their contributions no longer enter into the 50% RSS value, whichever is the lesser amount of reduction. Those interferers that contribute to a station's RSS using the 25% exclusion method but do not contribute to that station's RSS using the 50% exclu- sion method may make changes not to exceed their present contribution. Interferers not included in a station's RSS using the 25% exclusion method are permitted to increase radiation as long as the 25% exclusion threshold is not equalled or exceeded. In no case will a reduction be required that would result in a contributing value that is below the pertinent value specified in the table. This note does not apply to Class C stations; or to the protection of Class A stations which are normally protected on a single signal, non-RSS basis. 2 Groundwave. 3 Skywave field strength for 10 percent or more of the time. 4 During nighttime hours, Class C stations in the contiguous 48 States may treat all Class B stations assigned to 1230, 1240, 1340, 1400, 1450 and 1490 kHz in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands as if they were Class C stations. Note: SC=Same channel; AC=Adjacent channel; SW=Skywave; GW=Groundwave

(r) The following table of logarithmic to an undesired signal. This table shall expressions is to be used as required for be used in conjunction with the pro- determining the minimum permissible tected contours specified in paragraph ratio of the field strength of a desired (q) of this section.

Desired Groundwave to: Frequency separation of desired to undesired Desired 50% Skywave signals (kHz) Undesired groundwave Undesired 10% to Undesired 10% (dB) Skywave (dB) Skywave (dB)

0 ...... 26 26 26 10 ...... 6 6 not presc.

(s) Two stations, one with a fre- tionally, in selecting a frequency, con- quency twice of the other, should not sideration should be given to the fact be assigned in the same groundwave that occasionally the frequency assign- service area unless special precautions ment of two stations in the same area are taken to avoid interference from may bear such a relation to the inter- the second harmonic of the station op- mediate frequency of some broadcast erating on the lower frequency. Addi-

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receivers as to cause ‘‘image’’ inter- mined by means of the pertinent map ference, However, since this can usu- of ground conductivity and the ally be rectified by readjustment of the groundwave curves of field strength intermediate frequency of such receiv- versus distance. The conductivity of a ers, the Commission, in general, will given terrain may be determined by not take this kind of interference into measurements of any broadcast signal consideration when authorizing sta- traversing the terrain involved. Figure tions. M3 (See Note 1) shows the conductivity (t) The groundwave service of two throughout the United States by gen- stations operating with synchronized eral areas of reasonably uniform con- carriers and broadcasting identical pro- ductivity. When it is clear that only grams will be subject to some distor- one conductivity value is involved, tion in areas where the signals from Figure R3 of § 73.190, may be used. It is the two stations are of comparable a replica of Figure M3, and is contained strength. For the purpose of estimating in these standards. In all other situa- coverage of such stations, areas in tions Figure M3 must be employed. It which the signal ratio is between 1:2 is recognized that in areas of limited and 2:1 will not be considered as receiv- size or over a particular path, the con- ing satisfactory service. ductivity may vary widely from the values given; therefore, these maps are NOTE: Two stations are considered to be operated synchronously when the carriers to be used only when accurate and ac- are maintained within 0.2 Hz of each other ceptable measurements have not been and they transmit identical program s. made. (2) For determinations of inter- [56 FR 64862, Dec. 12, 1991; 57 FR 43290, Sept. ference and service requiring a knowl- 18, 1992, as amended at 58 FR 27950, May 12, edge of ground conductivities in other 1993] countries, the ground conductivity maps comprising Appendix 1 to Annex 2 § 73.183 Groundwave signals. of each of the following international (a) Interference that may be caused agreements may be used: by a proposed assignment or an exist- (i) For , the U.S.-Canada AM ing assignment during daytime hours Agreement, 1984; should be determined, when possible, (ii) For Mexico, the U.S.-Mexico AM by measurements on the frequency in- Agreement, 1986; and volved or on another frequency over (iii) For other Western Hemisphere the same terrain and by means for the countries, the Regional Agreement for curves in § 73.184 entitled ‘‘Ground the Medium Frequency Broadcasting Wave Field Strength versus Distance.’’ Service in Region 2. Where different conductivities appear NOTE: Groundwave field strength measure- ments will not be accepted or considered for in the maps of two countries on oppo- the purpose of establishing that interference site sides of the border, such dif- to a station in a foreign country other than ferences are to be considered as real, Canada, or that the field strength at the bor- even if they are not explained by geo- der thereof, would be less than indicated by physical cleavages. the use of the ground conductivity maps and (c) Example of determining inter- engineering standards contained in this part ference by the graphs in § 73.184: and applicable international agreements. Satisfactory groundwave measurements of- It is desired to determine whether objec- fered for the purpose of demonstrating val- tionable interference exists between a pro- ues of conductivity other than those shown posed 5 kW Class B station on 990 kHz and an by Figure M3 in problems involving protec- existing 1 kW Class B station on first adja- tion of Canadian stations will be considered cent channel, 1000 kHz. The distance between only if, after review thereof, the appropriate the two stations is 260 kilometers and both agency of the Canadian government notifies stations operate nondirectionally with an- the Commission that they are acceptable for tenna systems that produce a horizontal ef- such purpose. fective field of 282 in mV/m at one kilometer. (See § 73.185 regarding use of directional an- (b)(1) In all cases where measure- tennas.) The ground conductivity at the site ments taken in accordance with the re- of each station and along the intervening quirements are not available, the terrain is 6 mS/m. The protection to Class B groundwave strength must be deter- stations during daytime is to the 500 µV/m

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(0.5 Vm) contour using a 6 dB protection fac- tended to be used as a means of evalu- tor. The distance to the 500 µV/m ating unattenuated field or ground con- groundwave contour of the 1 kW station is ductivity by the analysis of measured determined by the use of the appropriate curve in § 73.184. Since the curve is plotted data. The method to be employed for for 100 mV/m at a 1 kilometer, to find the such determinations is set out in distance of the 0.5 mV/m contour of the 1 kw § 73.186. station, it is necessary to determine the dis- (e) Example of the use of the equiva- tance to the 0.1773 m/Vm contour. lent distance method; × (100 0.5/282=0.1773) It is desired to determine the distance to Using the 6 mS/m curve, the estimated ra- the 0.5 mV/m and 0.025 mV/m contours of a dius of the 0.5 mV/m contour is 62.5 kilo- station on a frequency of 1000 kHz with an meters. Subtracting this distance from the inverse distance field of 100 mV/m at one kil- distance between the two stations leaves ometer being radiated over a path having a 197.5 kilometers. Using the same propagation conductivity of 10 mS/m for a distance of 20 curve, the signal from the 5 kW station at kilometers, 5 mS/m for the next 30 kilo- this distance is seen to be 0.059 mV/m. Since meters and 15 mS/m thereafter. Using the ap- a protection ratio of 6 dB, desired to propriate curve in § 73.184, Graph 12, at a dis- undesired signal, applies to stations sepa- tance of 20 kilometers on the curve for 10 rated by 10 kHz, the undesired signal could mS/m, the field strength is found to be 2.84 have had a value of up to 0.25 mV/m without mV/m. On the 5mS/m curve, the equivalent causing objectionable interference. For co- distance to this field strength is 14.92 kilo- channel studies, a desired to undesired signal meters, which is 5.08 (20¥14.92 kilometers ratio of no less than 20:1 (26 dB) is required nearer to the transmitter. Continuing on the to avoid causing objectionable interference. propagation curve, the distance to a field strength of 0.5 mV/m is found to be 36.11 (d) Where a signal traverses a path kilomteres. over which different conductivities The actual length of the path travelled, exist, the distance to a particular however, is 41.19 (36.11+5.08) kilometers. Con- groundwave field strength contour tinuing on this propagation curve to the con- shall be determined by the use of the ductivity change at 44.92 (50.00¥5.08) kilo- equivalent distance method. Reason- meters, the field strength is found to be 0.304 ably accurate results may be expected mV/m. On the 15 mS/m propagation curve, in determining field strengths at a dis- the equivalent distance to this field strength tance from the antenna by application is 82.94 kilometers, which changes the effec- of the equivalent distance method tive path length by 38.02 (82.94¥44.92) kilo- meters. Continuing on this propagation when the unattenuated field of the an- curve, the distance to a field strength of 0.025 tenna, the various ground conductiv- mV/m is seen to be 224.4 kilometers. The ac- ities and the location of discontinuities tual length of the path travelled, however, is are known. This method considers a 191.46 (224.4+5.08¥38.02) kilometers. wave to be propagated across a given [28 FR 13574, Dec. 14, 1963, as amended at 44 conductivity according to the curve for FR 36037, June 20, 1979; 48 FR 9011, Mar. 3, a homogeneous earth of that con- 1983; 50 FR 18822, May 2, 1985; 50 FR 24522, ductivity. When the wave crosses from June 11, 1985; 51 FR 9965, Mar. 24, 1986; 54 FR a region of one conductivity into a re- 39736, Sept. 28, 1989; 56 FR 64866, Dec. 12, 1991; gion of a second conductivity, the 57 FR 43290, Sept. 18, 1992] equivalent distance of the receiving point from the transmitter changes § 73.184 Groundwave field strength abruptly but the field strength does graphs. not. From a point just inside the sec- (a) Graphs 1 to 20 show, for each of 20 ond region the transmitter appears to frequencies, the computed values of be at that distance where, on the curve groundwave field strength as a func- for a homogeneous earth of the second tion of groundwave conductivity and conductivity, the field strength equals distance from the source of radiation. the value that occurred just across the The groundwave field strength is con- boundary in the first region. Thus the sidered to be that part of the vertical equivalent distance from the receiving component of the electric field which point to the transmitter may be either has not been reflected from the greater or less than the actual dis- ionosphere nor from the troposphere. tance. An imaginary transmitter is These 20 families of curves are plotted considered to exist at that equivalent on log-log graph paper and each is to be distance. This technique is not in- used for the range of frequencies shown

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thereon. Computations are based on a (c) Provided the value of the dielec- dielectric constant of the ground (re- tric constant is near 15, the ground ferred to air as unity) equal to 15 for conductivity curves of Graphs 1 to 20 land and 80 for sea water and for the may be compared with actual field ground conductivities (expressed in strength measurement data to deter- mS/m) given on the curves. The curves mine the appropriate values of the show the variation of the groundwave ground conductivity and the inverse field strength with distance to be ex- distance field strength at 1 kilometer. pected for transmission from a vertical This is accomplished by plotting the antenna at the surface of a uniformly measured field strengths on trans- conducting spherical earth with the parent log-log graph paper similar to groundwave constants shown on the that used for Graphs 1 to 20 and super- curves. The curves are for an antenna imposing the plotted graph over the power of such efficiency and current Graph corresponding to the frequency distribution that the inverse distance of the station measured. The plotted (unattenuated) field is 100 mV/m at 1 graph is then shifted vertically until kilometer. The curves are valid for dis- the plotted measurement data is best tances that are large compared to the aligned with one of the conductivity dimensions of the antenna for other curves on the Graph; the intersection than short vertical antennas. of the inverse distance line on the (b) The inverse distance field (100 mV/ Graph with the 1 kilometer abscissa on m divided by the distance in kilo- the plotted graph determines the in- meters) corresponds to the groundwave verse distance field strength at 1 kilo- field intensity to be expected from an meter. For other values of dielectric antenna with the same radiation effi- constant, the following procedure may ciency when it is located over a per- be used to determine the dielectric fectly conducting earth. To determine constant of the ground, the ground the value of the groundwave field in- conductivity and the inverse distance tensity corresponding to a value of in- field strength at 1 kilometer. Graph 21 verse distance field other than 100 mV/ gives the relative values of groundwave m at 1 kilometer, multiply the field field strength over a plane earth as a strength as given on these graphs by the desired value of inverse distance function of the numerical distance p field at 1 kilometer divided by 100; for and phase angle b. On graph paper with example, to determine the groundwave coordinates similar to those of Graph field strength for a station with an in- 21, plot the measured values of field verse distance field of 2700 mV/m at 1 strength as ordinates versus the cor- kilometer, simply multiply the values responding distances from the antenna given on the charts by 27. The value of in kilometers as abscissae. The data the inverse distance field to be used for should be plotted only for distances a particular antenna depends upon the greater than one wavelength (or, when power input to the antenna, the nature this is greater, five times the vertical of the ground in the neighborhood of height of the antenna in the case of a the antenna, and the geometry of the nondirectional antenna or 10 times the antenna. For methods of calculating spacing between the elements of a di- the interrelations between these vari- rectional antenna) and for distances ables and the inverse distance field, see less than 80f1/3MHz kilometers (i.e., 80 ‘‘The Propagation of Radio Waves Over kilometers at 1 MHz). Then, using a the Surface of the Earth and in the light box, place the plotted graph over Upper Atmosphere,’’ Part II, by Mr. Graph 21 and shift the plotted graph K.A. Norton, Proc. I.R.E., Vol. 25, Sep- vertically and horizontally (making tember 1937, pp. 1203–1237. sure that the vertical lines on both sheets are parallel) until the best fit NOTE: The computed values of field with the data is obtained with one of strength versus distance used to plot Graphs the curves on Graph 21. When the two 1 to 20 are available in tabular form. For in- formation on obtaining copies of these tab- sheets are properly lined up, the value ulations call or write the Consumer Affairs of the field strength corresponding to Office, Federal Communications Commis- the intersection of the inverse distance sion, Washington, DC 20554, (202) 632–7000. line of Graph 21 with the 1 kilometer

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abscissa on the data sheet is the in- transparent log-log graph paper similar verse distance field strength at 1 kilo- to that of Graph 21, labelling the meter, and the values of the numerical ordinates of the chart in terms of field distance at 1 kilometer, p1, and of b are strength, and the abscissae in terms of also determined. Knowing the values of distance. Next, using the formulas b and p1 (the numerical distance at one given on Graph 21, calculate the value kilometer), we may substitute in the of the numerical distance, p, at 1 kilo- following approximate values of the meter, and the value of b. Then super- ground conductivity and dielectric con- impose the log-log graph paper over stant. Graph 21, shifting it vertically until both inverse distance lines coincide π  R x ≅ ⋅ ⋅ cosb (Eq. 1) and shifting it horizontally until the  λ  numerical distance at 1 kilometer on p 1 Graph 21 coincides with 1 kilometer on (R/λ)1= Number of wavelengths in 1 kil- the log-log graph paper. The curve of ometer, Graph 21 corresponding to the cal- culated value of b is then traced on the * * * * * log-log graph paper giving the field strength versus distance in kilometers. f =frequency expressed in megahertz, MHz (e) This paragraph consists of the fol- ε≅ χ tan b −1 (Eq. 3) lowing Graphs 1 to 20 and 21. NOTE: The referenced graphs are not pub- ε =dielectric constant on the ground re- lished in the CFR, nor will they be included ferred to air as unity. in the Commission’s automated rules sys- First solve for χ by substituting the tem. For information on obtaining copies of known values of p1, (R/λ)1, and cos b in the graphs call or write the Consumer Af- equation (1). Equation (2) may then be fairs Office, Federal Communications Com- solved for δ and equation (3) for ε. At mission, Washington, DC 20554, Telephone: distances greater than 80/f1/3 MHz kilo- (202) 632–7000. meters the curves of Graph 21 do not give the correct relative values of field [28 FR 13574, Dec. 14, 1963, as amended at 50 FR 18823, May 2, 1985; 51 FR 45891, Dec. 23, strength since the curvature of the 1986; 52 FR 36878, Oct. 1, 1987; 56 FR 64866, earth weakens the field more rapidly Dec. 12, 1991; 57 FR 43290, Sept. 18, 1992] than these plane earth curves would in- dicate. Thus, no attempt should be § 73.185 Computation of interfering made to fit experimental data to these signal. curves at the larger distances. (a) Measured values of radiation are NOTE: For other values of dielectric con- not to be used in calculating overlap, stant, use can be made of the computer pro- interference, and coverage. gram which was employed by the FCC in (1) In the case of an antenna which is generating the curves in Graphs 1 to 20. For information on obtaining a printout of this intended to be non-directional in the program, call or write the Consumer Affairs horizontal plane, an ideal non-direc- Office, Federal Communications Commis- tional radiation pattern shall be used sion, Washington, DC 200554, (202) 632–7000. in determining interference, overlap, (d) At sufficiently short distances and coverage, even if the antenna is (less than 55 kilometers at AM broad- not actually non-directional. cast frequencies), such that the cur- (2) In the case of an antenna which is vature of the earth does not introduce directional in the horizontal plane, the an additional attenuation of the waves, radiation which shall be used in deter- the curves of Graph 21 may be used to mining interference, overlap, and cov- determine the groundwave field erage is that calculated pursuant to strength of transmitting and receiving § 73.150 or § 73.152, depending on whether antennas at the surface of the earth for the station has a standard or modified any radiated power, frequency, or set standard pattern. of ground constants. First, trace the (3) In the case of calculation of inter- straight inverse distance line cor- ference or overlap to (not from) a for- responding to the power radiated on eign station, the notified radiation

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shall be used, even if the notified radi- Using this in conjunction with the co- ation differs from that in paragraphs channel protection ratio of 26 dB, the (a) (1) or (2) of this section. resultant nighttime limit from the pro- (b) For skywave signals from stations posed station to the licensed station is operating on all channels, interference 3.232 mV/m. shall be determined from the appro- (e) In the case of an antenna which is priate formulas and Figure 6a con- non-directional in the horizontal plane, tained in § 73.190. the vertical distribution of the relative (c) The formulas in § 73.190(d) de- fields should be computed pursuant to picted in Figure 6a of § 73.190, entitled § 73.160. In the case of an antenna which ‘‘Angles of Departure versus Trans- is directional in the horizontal plane, mission Range’’ are to be used in deter- the vertical pattern in the great circle mining the angles in the vertical pat- direction toward the point of reception tern of the antenna of an interfering in question must first be calculated. In station to be considered as pertinent to cases where the radiation in the verti- transmission by one reflection. To pro- cal plane, at the pertinent azimuth, vide for variation in the pertinent ver- contains a large lobe at a higher angle tical angle due to variations of than the pertinent angle for one reflec- ionosphere height and ionosphere scat- tion, the method of calculating inter- tering, the curves 2 and 3 indicate the ference will not be restricted to that upper and lower angles within which just described; each such case will be the radiated field is to be considered. considered on the basis of the best The maximum value of field strength knowledge available. occurring between these angles shall be (f) In performing calculations to de- used to determine the multiplying fac- termine permissible radiation from tor to apply to the 10 percent skywave stations operating presunrise or field intensity value determined from postsunset in accordance with § 73.99, Formula 2 in § 73.190. The multiplying calculated diurnal factors will be mul- factor is found by dividing the maxi- tiplied by the values of skywave field mum radiation between the pertinent strength for such stations obtained angles by 100 mV/m. from Formula 1 or 2 of § 73.190. (d) Example of the use of skywave (1) The diurnal factor is determined curves and formulas: Assume a pro- using the time of day at the mid-point posed new Class B station from which of path between the site of the interfer- interference may be expected is located ing station and the point at which in- at a distance of 724 kilometers from a terference is being calculated. Diurnal licensed Class B station. The proposed factors are computed using the formula 2 3 station specifies geographic coordi- Df=a+bF+cF +dF where: nates of 40°00′00″N and 100° 00′00″W and the station to be protected is located Df represents the diurnal factor, F is the frequency in MHz, at an azimuth of 45° true at geographic ° ′ ″ ° ′ ″ a,b,c, and d are constants obtained from the coordinates of 44 26 05 N and 93 32 54 W. tables in paragraph (k)(2) The critical angles of radiation as de- termined from Figure 6a of § 73.190 for A diurnal factor greater than one will use with Class B stations are 9.6° and not be used in calculations and inter- 16.6°. If the vertical pattern of the an- polation is to be used between cal- tenna of the proposed station in the di- culated values where necessary. For rection of the existing station is such reference purposes, curves for that, between the angles of 9.6° and presunrise and postsunset diurnal fac- 16.6° above the horizon the maximum tors are contained in Figures 13 and 14 radiation is 260 mV/m at one kilometer, of § 73.190. the value of the 50% field, as derived (2) Constants used in calculating di- from Formula 1 of § 73.190, is 0.06217 urnal factors for the presunrise and mV/m at the location of the existing postsunset periods are contained in station. To obtain the value of the 10% paragraphs (f)(2) (i) and (ii) of this sec- field, the 50% value must be adjusted tion respectively. The columns labeled by a factor derived from Formula 2 of Tmp represent the number of hours be- § 73.190. The value in this case is 8.42 fore and after sunrise and sunset at the dB. Thus, the 10% field is 0.1616 mV/m. path midpoint.

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(i) PRESUNRISE CONSTANTS below 35° North and latitude 50° should be used in case the mid-point of the Tmp a b c d path lies above 50° North. ¥2 ...... 1.3084 .0083 ¥.0155 .0144 ¥1.75 ...... 1.3165 ¥.4919 .6011 ¥.1884 [30 FR 13783, Oct. 29, 1965, as amended at 33 ¥1.5 ...... 1.0079 .0296 .1488 ¥.0452 FR 15420, Oct. 17, 1968; 46 FR 11995, Feb. 12, ¥1.25 ...... 7773 .3751 ¥.1911 .0736 1981; 48 FR 42958, Sept. 20, 1983; 50 FR 18843, ¥1 ...... 6230 .1547 .2654 ¥.1006 May 2, 1985; 56 FR 64867, Dec. 12, 1991] ¥.75 ...... 3718 .1178 .3632 ¥.1172 ¥.5 ...... 2151 .0737 .4167 ¥.1413 ¥.25 ...... 2027 ¥.2560 .7269 ¥.2577 § 73.186 Establishment of effective SR ...... 1504 ¥.2325 .5374 ¥.1729 field at one kilometer. +.25 ...... 1057 ¥.2092 .4148 ¥.1239 +5...... 0642 ¥.1295 .2583 ¥.0699 (a) Section 73.189 provides that cer- +.75 ...... 0446 ¥.1002 .1754 ¥.0405 tain minimum field strengths are ac- +1 ...... 0148 .0135 .0462 .0010 ceptable in lieu of the required mini- mum physical heights of the antennas (ii) POSTSUNSET CONSTANTS proper. Also, in other situations, it may be necessary to determine the ef- T a b c d mp fective field. The following require- 1.75 ...... 9495 ¥.0187 .0720 ¥.0290 ments shall govern the taking and sub- 1.5 ...... 7196 .3583 ¥.2280 .0611 1.25 ...... 6756 .1518 .0279 ¥.0163 mission of data on the field strength 1.0 ...... 5486 .1401 .0952 ¥.0288 produced: .75 ...... 3003 .4050 ¥.0961 .0256 (1) Beginning as near to the antenna .5 ...... 1186 .4281 ¥.0799 .0197 .25 ...... 0382 .3706 ¥.0673 .0171 as possible without including the in- SS ...... 0002 .3024 ¥.0540 .0086 duction field and to provide for the fact ¥.25 ...... 0278 .0458 .1473 ¥.0486 that a broadcast antenna is not a point ¥.5 ...... 0203 .0132 .1166 ¥.0340 ¥.75 ...... 0152 ¥.0002 .0786 ¥.0185 source of radiation (not less than one ¥1.0 ...... ¥.0043 .0452 ¥.0040 .0103 wave length or 5 times the vertical ¥1.25 ...... 0010 .0135 .0103 .0047 height in the case of a single element, ¥1.5 ...... 0018 .0052 .0069 .0042 ¥1.75 ...... ¥.0012 .0122 ¥.0076 .0076 i.e., nondirectional antenna or 10 times ¥2.0 ...... ¥.0024 .0141 ¥.0141 .0091 the spacing between the elements of a directional antenna), measurements EDITORIAL NOTE: At 56 FR 64867, Dec. 12, shall be made on eight or more radials, 1991, § 73.185 was amended by redesignating at intervals of approximately 0.2 kilo- paragraphs (d), (e), (h), and (k) as (c), (d), (e), meter up to 3 kilometers (1.87 miles) and (f), resulting in two consecutive para- from the antenna, at intervals of ap- graph (f)’s. These paragraphs will be cor- proximately 1 kilometer from 3 kilo- rectly designated by a Federal Communica- tion Commission document published in the meters (1.87 miles) to 10 kilometers (6.2 FEDERAL REGISTER at a later date. miles) from the antenna, at intervals of (f) For stations operating on regional approximately 3 kilometers from 10 and local channels, interfering kilometers (6.2 miles) to 25 or 34 kilo- skywave field intensities shall be de- meters (15.5 miles or 20 miles) from the termined in accordance with the proce- antenna, and a few additional measure- dure specified in (d) of this section and ments if needed at greater distances illustrated in (e) of this section, except from the antenna. Where the antenna that Figure 2 of § 73.190 is used in place is rurally located and unobstructed of Figure 1a and 1b and the formulas of measurements can be made, there shall § 73.190. In using Figure 2 of § 73.190, one be as many as 18 measurements on additional parameter must be consid- each radial. However, where the an- ered, i.e., the variation of received field tenna is located in a city where unob- with the latitude of the path. structed measurements are difficult to (g) Figure 2 of § 73.190, ‘‘10 percent make, measurements shall be made on Skywave Signal Range Chart,’’ shows each radial at as many unobstructed the signal as a function of the latitude locations as possible, even though the of the transmission path, which is de- intervals are considerably less than fined as the geographic latitude of the stated above, particularly within 3 kil- midpoint between the transmitter and ometers of the antenna. In cases where receiver. When using Figure 2 of it is not possible to obtain accurate § 73.190, latitude 35° should be used in measurements at the closer distances case the mid-point of the path lies (even out to 8 or 10 kilometers due to

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the character of the intervening ter- (b) Complete data taken in conjunc- rain), the measurements at greater dis- tion with the field strength measure- tances should be made at closer inter- ments shall be submitted to the Com- vals. (It is suggested that ‘‘wave tilt’’ mission in affidavit form including the measurements may be made to deter- following: mine and compare locations for taking (1) Tabulation by number of each field strength measurements, particu- point of measurement to agree with larly to determine that there are no the map required in paragraph (b)(2) of abrupt changes in ground conductivity this section, the date and time of each or that reflected waves are not causing measurement, the field strength (E), abnormal strengths. the distance from the antenna (D) and (2) The data required by paragraph the product of the field strength and (a)(1) of this section should be plotted distance (ED) (if data for each radial for each radial in accordance with ei- are plotted on semilogarithmic paper, ther of the two methods set forth see above) for each point of measure- below: ment. (i) Using log-log coordinate paper, (2) Map showing each point of meas- plot field strengths as ordinate and dis- urement numbered to agree with tab- tance as abscissa. ulation required above. (ii) Using semi-log coordinate paper, (3) Description of method used to plot field strength times distance as or- take field strength measurements. dinate on the log scale and distance as (4) The family of theoretical curves abscissa on the linear scale. used in determining the curve for each (3) However, regardless of which of radial properly identified by conductiv- the methods in paragraph (a)(2) of this ity and dielectric constants. section is employed, the proper curve (5) The curves drawn for each radial to be drawn through the points plotted and the field strength pattern. shall be determined by comparison (6) The antenna resistance at the op- with the curves in § 73.184 as follows: erating frequency. Place the sheet on which the actual (7) Antenna current or currents points have been plotted over the ap- maintained during field strength meas- propriate Graph in § 73.184, hold to the urements. light if necessary and adjust until the [28 FR 13574, Dec. 14, 1963, as amended at 41 curve most closely matching the points FR 44178, Oct. 7, 1976; 46 FR 11995, Feb. 12, is found. This curve should then be 1981; 49 FR 49851, Dec. 24, 1984; 50 FR 18843, drawn on the sheet on which the points May 2, 1985; 50 FR 47055, Nov. 14, 1985; 51 FR were plotted, together with the inverse 2707, Jan. 21, 1986; 52 FR 10570, Apr. 2, 1987] distance curve corresponding to that curve. The field at 1 kilometer for the § 73.187 Limitation on daytime radi- radial concerned shall be the ordinate ation. on the inverse distance curve at 1 kilo- (a)(1) Except as otherwise provided in meter. paragraphs (a)(2) and (3) of this section, (4) When all radials have been ana- no authorization will be granted for a lyzed in accordance with paragraph Class B or Class D station on a fre- (a)(3) of this section, a curve shall be quency specified in § 73.25 if the pro- plotted on polar coordinate paper from posed operation would radiate during the fields obtained, which gives the in- the period of critical hours (the two verse distance field pattern at 1 kilo- hours after local sunrise and the two meter. The radius of a circle, the area hours before local sunset) toward any of which is equal to the area bounded point on the 0.1 mV/m contour of a co- by this pattern, is the effective field. channel U.S. Class A station, at or (See § 73.14.) below the pertinent vertical angle de- (5) The antenna power of the station termined from Curve 2 of Figure 6a of shall be maintained at the authorized § 73.190, values in excess of those ob- level during all field measurements. tained as provided in paragraph (b) of The power determination will be made this section. using the direct method as described in (2) The limitation set forth in para- § 73.51(a) with instruments of accept- graph (a)(1) of this section shall not able accuracy specified in § 73.1215. apply in the following cases:

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(i) Any Class B or Class D operation (c) Interpolation factors. (1) Fre- authorized before November 30, 1959; or quencies below 1000 kHz. (ii) For Class B and Class D stations authorized before November 30, 1959, fkHz K500 K1000 subsequent changes of facilities which 640 ...... 0.720 0.280 do not involve a change in frequency, 650 ...... 0.700 0.300 an increase in radiation toward any 660 ...... 0.680 0.320 670 ...... 0.660 0.340 point on the 0.1 mV/m contour of a co- 680 ...... 0.640 0.360 channel U.S. Class A station, or the 690 ...... 0.620 0.380 move of transmitter site materially 700 ...... 0.600 0.400 710 ...... 0.580 0.420 closer to the 0.1 mV/m contour of such 720 ...... 0.560 0.440 Class A station. 730 ...... 0.540 0.460 (3) A Class B or Class D station au- 740 ...... 0.520 0.480 thorized before November 30, 1959, and 750 ...... 0.500 0.500 760 ...... 0.480 0.520 subsequently authorized to increase 770 ...... 0.460 0.540 daytime radiation in any direction to- 780 ...... 0.440 0.560 ward the 0.1 mV/m contour of a co- 800 ...... 0.400 0.600 channel U.S. Class A station (without a 810 ...... 0.380 0.620 820 ...... 0.360 0.640 change in frequency or a move of trans- 830 ...... 0.340 0.660 mitter site materially closer to such 840 ...... 0.320 0.680 contour), may not, during the two 850 ...... 0.300 0.700 860 ...... 0.280 0.720 hours after local sunrise or the two 870 ...... 0.260 0.740 hours before local sunset, radiate in 880 ...... 0.240 0.760 such directions a value exceeding the 890 ...... 0.220 0.780 higher of: 900 ...... 0.200 0.800 940 ...... 0.120 0.880 (i) The value radiated in such direc- 990 ...... 0.020 0.980 tions with facilities last authorized be- fore November 30, 1959, or (2) Frequencies above 1000 kHz. (ii) The limitation specified in para- ′ ′ ′ graph (a)(1) of this section. f kHz K 1000 K 1600 (b) To obtain the maximum permis- 1010 ...... 0.983 0.017 sible radiation for a Class B or Class D 1020 ...... 0.967 0.033 station on a given frequency from 640 1030 ...... 0.950 0.050 1040 ...... 0.933 0.067 through 990 kHz, multiply the radi- 1050 ...... 0.917 0.083 ation value obtained for the given dis- 1060 ...... 0.900 0.100 tance and azimuth from the 500 kHz 1070 ...... 0.883 0.117 chart (Figure 9 of § 73.190) by the appro- 1080 ...... 0.867 0.133 1090 ...... 0.850 0.150 priate interpolation factor shown in 1100 ...... 0.833 0.167 the K500 column of paragraph (c) of this 1110 ...... 0.817 0.183 section; and multiply the radiation 1120 ...... 0.800 0.200 1130 ...... 0.783 0.217 value obtained for the given distance 1140 ...... 0.767 0.233 and azimuth from the 1000 kHz chart 1160 ...... 0.733 0.267 (Figure 10 of § 73.190) by the appropriate 1170 ...... 0.717 0.283 interpolation factor shown in the K 1180 ...... 0.700 0.300 1000 1190 ...... 0.683 0.317 column of paragraph (c) of this section. 1200 ...... 0.667 0.333 Add the two products thus obtained; 1210 ...... 0.650 0.350 the result is the maximum radiation 1220 ...... 0.633 0.367 value applicable to the Class B or Class 1500 ...... 0.167 0.833 1510 ...... 0.150 0.850 D station in the pertinent directions. 1520 ...... 0.133 0.867 For frequencies from 1010 to 1580 kHz, 1530 ...... 0.117 0.883 obtain in a similar manner the proper 1540 ...... 0.100 0.900 radiation values from the 1000 and 1600 1550 ...... 0.083 0.917 1560 ...... 0.067 0.933 kHz charts (Figures 10 and 11 of 1570 ...... 0.050 0.950 § 73.190), multiply each of these values 1580 ...... 0.033 0.967 by the appropriate interpolation fac- tors in the K′1000 and K′1600 columns in [28 FR 13574, Dec. 14, 1963, as amended at 49 paragraph (c) of this section, and add FR 43962, Nov. 1, 1984; 56 FR 64868, Dec. 12, the products. 1991]

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§ 73.189 Minimum antenna heights or ered in § 73.189(b)(2)(i), a minimum ef- field strength requirements. fective field strength of 282 mV/m for 1 (a) Section 73.45 requires that all ap- kW. plicants for new, additional, or dif- (iii) Class A stations, a minimum ef- ferent broadcast facilities and all li- fective field strength of 362 mV/m for 1 censees requesting authority to move kW. 0the transmitter of an existing station, (3) The heights given on the graph for shall specify a radiating system, the ef- the antenna apply regardless of wheth- ficiency of which complies with the re- er the antenna is located on the ground quirements of good engineering prac- or on a building. Except for the reduc- tice for the class and power of the sta- tion of shadows, locating the antenna tion. on a building does not necessarily in- (b) The specifications deemed nec- crease the efficiency and where the essary to meet the requirements of height of the building is in the order of good engineering practice at the a quarter wave the efficiency may be present state of the art are set out in materially reduced. detail below. (4) At the present development of the (1) The licensee of a AM broadcast art, it is considered that where a verti- station requesting a change in power, cal radiator is employed with its base time of operation, frequency, or trans- on the ground, the ground system mitter location must also request au- should consist of buried radial wires at thority to install a new antenna sys- least one-fourth wave length long. tem or to make changes in the existing There should be as many of these antenna system which will meet the radials evenly spaced as practicable minimum height requirements, or sub- and in no event less than 90. (120 mit evidence that the present antenna radials of 0.35 to 0.4 of a wave length in system meets the minimum require- length and spaced 3° is considered an ments with respect to field strength, excellent ground system and in case of before favorable consideration will be high base voltage, a base screen of suit- given thereto. (See § 73.186.) In the able dimensions should be employed.) event it is proposed to make substan- (5) In case it is contended that the re- tial changes in an existing antenna quired antenna efficiency can be ob- system, the changes shall be such as to tained with an antenna of height or meet the minimum height require- ground system less than the minimum ments or will be permitted subject to specified, a complete field strength sur- the submission of field strength meas- vey must be supplied to the Commis- urements showing that it meets the sion showing that the field strength at minimum requirements with respect to a mile without absorption fulfills the effective field strength. minimum requirements. (See § 73.186.) (2) These minimum actual physical This field survey must be made by a vertical heights of antennas permitted qualified engineer using equipment of to be installed are shown by curves A, acceptable accuracy. B, and C of Figure 7 of § 73.190 as fol- (6) The main element or elements of lows: a directional antenna system shall (i) Class C stations, and stations in meet the above minimum requirements Alaska, Hawaii, Puerto Rico and the with respect to height or effective field U.S. Virgin Islands on 1230, 1240, 1340, strength. No directional antenna sys- 1400, 1450 and 1490 kHz that were for- tem will be approved which is so de- merly Class C and were redesignated as signed that the effective field of the Class B pursuant to § 73.26(b), 45 meters array is less than the minimum pre- or a minimum effective field strength scribed for the class of station con- of 241 mV/m for 1 kW (121 mV/m for 0.25 cerned, or in case of a Class A station kW). (This height applies to a Class C less than 90 percent of the ground wave station on a local channel only. Curve field which would be obtained from a A shall apply to any Class C stations in perfect antenna of the height specified the 48 conterminous States that are as- by Figure 7 of § 73.190 for operation on signed to Regional channels.) frequencies below 1000 kHz, and in the (ii) Class A (Alaska), Class B and case of a Class B or Class D station less Class D stations other than those cov- than 90 percent of the ground wave

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field which would be obtained from a § 73.190 Engineering charts and relat- perfect antenna of the height specified ed formulas. by Figure 7 of § 73.190 for operation on (a) This section consists of the fol- frequencies below 750 kHz. lowing Figures: 2, r3, 5, 6a, 7, 8, 9, 10, 11, [28 FR 13574, Dec. 14, 1963, as amended at 31 12, and 13. Additionally, formulas that FR 8069, June 8, 1966; 33 FR 15420, Oct. 17, are directly related to graphs are in- 1968; 44 FR 36038, June 20, 1979; 50 FR 18844, cluded. May 2, 1985; 51 FR 2707, Jan. 21, 1986; 51 FR (b) Formula 1 is used for calculation 4753, Feb. 7, 1986; 52 FR 10570, Apr. 2, 1987; 56 of 50% skywave field strength values. FR 64868, Dec. 12, 1991] FORMULA 1. Skywave field strength, 50% of the time (at SS+6): The skywave field strength, Fc(50), for a characteristic field strength of 100 mV/m at 1 km is given by:

  () =() − −π + 2 φD () µ () FDc50 97. 5 20 log() 2 4.95 tan M   dB V/ m Eq. 1  1000

The slant distance, D, is given by: + cos aT cos aR cos(bR ¥ bT)¿ degrees (Eq.5) D=40, 000 + d2 km (Eq. 2) Where: aT is the geographic latitude of the The geomagnetic latitude of the mid- transmitting terminal (degrees) Φ point of the path, M, is given by: aR is the geographic latitude of the re-

ΦM =arcsinøsin aM sin 78.5° ceiving terminal (degrees) b is the geographic longitude of the + cos a cos 78.5° cos(69 + b ) T M M ¿ transmitting terminal (degrees) degrees (Eq. 3) bR is the geographic longitude of the re- The short great-circle path distance, d, ceiving terminal (degrees) is given by: aM is the geographic latitude of the midpoint of the great-circle path d =111.18 d° km (Eq. 4) (degrees) and is given by: bM is the geographic longitude of the Where: midpoint of the great-circle path d° = arccosøsin aT sin aR (degrees) and is given by:

   d°  d° sin a− sin a cos d ° a=90 − arccossin a cos  + cosa sin  TR   () Eq. 6 MRR     °   2 2  cosaR sin d  

   d°    cos  − sina sin a     RM  = +   2   () bMR b karccos  Eq. 7  cosa cos a    RM      

Note (1): If | FM| is greater than 60 de- Note (2): North and east are consid- grees, equation (1) is evaluated for | FM| ered positive; south and west negative. = 60 degrees.

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Note (3): In equation (7), k = ¥1 for The skywave field strength, Fc(10), is west to east paths (i.e., bR > bT), other- given by:

wise k = 1. Fc(10) = Fc(50) + ∆ dB(µV/m) (c) Formula 2 is used for calculation Where: of 10% skywave field strength values. ∆ = 6 when | FM| < 40 FORMULA 2. Skywave field strength, ∆ = 0.2 | FM| ¥ 2 when 40 ≤ | FM| ≤ 60 10% of the time (at SS+6): ∆ = 10 when | FM| > 60

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(d) Figure 6a depicts angles of depar- angles may also be computed using the ture versus transmission range. These following formulas:

  θ°= −1 d − d tan kn cot   444.54 444.54

Where: NOTE: Computations using these formulas d=distance in kilometers should not be carried beyond 0.1 degree. n=1 for 50% field strength values (e) In the event of disagreement be- n=2 or 3 for 10% field strength values tween computed values using the for- and where mulas shown above and values obtained K1=0.00752 directly from the figures, the computed K2=0.00938 values will control. K3=0.00565

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[28 FR 13574, Dec. 14, 1963, as amended at 30 FR 12720, Oct. 6, 1965; 33 FR 15420, Oct 17, 1968; 48 FR 42959, Sept. 20, 1983; 49 FR 43963, Nov. 1, 1984; 50 FR 18844, May 2, 1985; 51 FR 4753, Feb. 7, 1986; 52 FR 36879, Oct. 1, 1987; 56 FR 64869, Dec. 12, 1991]

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Subpart B—FM Broadcast Stations Channel Frequency (Mc/s) No.

§ 73.201 Numerical designation of FM 98.9 ...... 255 broadcast channels. 99.1 ...... 256 The FM broadcast band consists of 99.3 ...... 257 that portion of the radio frequency 99.5 ...... 258 99.7 ...... 259 spectrum between 88 MHz and 108 MHz. 99.9 ...... 260 It is divided into 100 channels of 200 100.1 ...... 261 kHz each. For convenience, the fre- 100.3 ...... 262 quencies available for FM broadcasting 100.5 ...... 263 (including those assigned to non- 100.7 ...... 264 100.9 ...... 265 commercial educational broadcasting) 101.1 ...... 266 are given numerical designations which 101.3 ...... 267 are shown in the table below: 101.5 ...... 268 101.7 ...... 269 101.9 ...... 270 Frequency (Mc/s) Channel No. 102.1 ...... 271 102.3 ...... 272 88.1 ...... 201 102.5 ...... 273 88.3 ...... 202 102.7 ...... 274 88.5 ...... 203 88.7 ...... 204 102.9 ...... 275 88.9 ...... 205 103.1 ...... 276 89.1 ...... 206 103.3 ...... 277 89.3 ...... 207 103.5 ...... 278 89.5 ...... 208 103.7 ...... 279 89.7 ...... 209 103.9 ...... 280 89.9 ...... 210 104.1 ...... 281 90.1 ...... 211 104.3 ...... 282 90.3 ...... 212 104.5 ...... 283 90.5 ...... 213 104.7 ...... 284 90.7 ...... 214 104.9 ...... 285 90.9 ...... 215 105.1 ...... 286 91.1 ...... 216 91.3 ...... 217 105.3 ...... 287 91.5 ...... 218 105.5 ...... 288 91.7 ...... 219 105.7 ...... 289 91.9 ...... 220 105.9 ...... 290 92.1 ...... 221 106.1 ...... 291 92.3 ...... 222 106.3 ...... 292 92.5 ...... 223 106.5 ...... 293 92.7 ...... 224 106.7 ...... 294 92.9 ...... 225 106.9 ...... 295 93.1 ...... 226 107.1 ...... 296 93.3 ...... 227 107.3 ...... 297 93.5 ...... 228 107.5 ...... 298 93.7 ...... 229 107.7 ...... 299 93.9 ...... 230 107.9 ...... 300 94.1 ...... 231 94.3 ...... 232 NOTE: The frequency 108.0 MHz may be assigned to VOR 94.5 ...... 233 test stations subject to the condition that interference is not 94.7 ...... 234 caused to the reception of FM broadcasting stations, present 94.9 ...... 235 or future. 95.1 ...... 236 95.3 ...... 237 [28 FR 13623, Dec. 14, 1963, as amended at 30 95.5 ...... 238 FR 4480, Apr. 7, 1965; 52 FR 10570, Apr. 2, 1987] 95.7 ...... 239 95.9 ...... 240 96.1 ...... 241 § 73.202 Table of Allotments. 96.3 ...... 242 (a) General. The following Table of 96.5 ...... 243 96.7 ...... 244 Allotments contains the channels 96.9 ...... 245 (other than noncommercial edu- 97.1 ...... 246 cational Channels 201–220) designated 97.3 ...... 247 for use in communities in the United 97.5 ...... 248 97.7 ...... 249 States, its territories, and possessions. 97.9 ...... 250 All listed channels are for Class B sta- 98.1 ...... 251 tions in Zones I and I–A and for Class 98.3 ...... 252 98.5 ...... 253 C stations in Zone II unless otherwise 98.7 ...... 254 specifically designated.

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(1) Channels designated with an as- ALABAMAÐContinued terisk may be used only by non- commercial educational broadcast sta- Channel No. tions. The rules governing the use of Georgiana ...... 299C2 those channels are contained in § 73.501. Glencoe ...... 226A (2) Each channel listed in the Table Greensboro ...... 256A of Allotments reflects the class of sta- Greenville ...... 232A, 240A tion that is authorized, or has an appli- Grovehill ...... 291C3 Guntersville ...... 240C3 cation filed, to use it based on the min- Haleyville ...... 224A imum and maximum facility require- Hamilton ...... 221A ments for each class contained in Hartselle ...... 291C3 § 73.211. Headland ...... 287C3 NOTE: The provisions of this paragraph Homewood ...... 247A [(a)(2) of this section] become effective [3 Huntsville ...... 236C2, 256C years from the effective date of the Report Jackson ...... 233C2 and Order in BC Docket 80–90]. Jasper ...... 273C Linden ...... 275C2, 253C1 (b) Table of FM Allotments. Lisman ...... 299A Luverne ...... 282C1 ALABAMA Meridianville ...... 231A Millbrook ...... 246A Channel No. Mobile ...... 225C, 235C, 241C, 248C, 260C Monroeville ...... 257C2 Abbeville ...... 232C3 Montgomery ...... 222C, 241A, 255C1, 255C2, 270C, Addison ...... 289A 277C Albertville ...... 286C Moulton ...... 276A Alexander City ...... 291C1 Muscle Shoals ...... 288A Andalusia ...... 251C1, 279A Anniston ...... 263C Northport ...... 264C3 Arab ...... 224A Oneonta ...... 249A Ashland ...... 238A Opelika ...... 244A Athens ...... 282C Opp ...... 272A Atmore ...... 290A Orange Beach ...... 289A Auburn ...... 249A Orrville ...... 274A Bay Minette ...... 288A Oxford ...... 250A Birmingham ...... 229C, 233C, 243C, 258C, 284C, Ozark ...... 280C3, 285A 295C, 299C Phoenix City ...... 261A Brantley ...... 262A Brewton ...... 292A Pine Hill ...... 244C3 Brundidge ...... 234A Prattville ...... 236C2 Butler ...... 228C2 Reform ...... 269C2 Camden ...... 272A Repton ...... 266A Carrollton ...... 231C Roanoke ...... 272C3 Centre ...... 290A Rogersville ...... 230A Chickasaw ...... 252C2 Russellville ...... 249A Citronelle ...... 271C3 Scottsboro ...... 252A Clanton ...... 249A Selma ...... 261C2, 265C2, 287C2 Columbia ...... 221A Columbiana ...... 268A Sheffield ...... 292C3 Cordova ...... 237A Smiths ...... 267A Cullman ...... 221A, 266C Stevenson ...... 269A Dadeville ...... 247A Sylacauga ...... 252A Daphne ...... 293C2 Talladega ...... 224A, 248A Decatur ...... 245C, 271C1 Tallassee ...... 260A Demopolis ...... 293C3 Thomaston ...... 249A Dora ...... 223A Thomasville ...... 238C3 Dothan ...... 238C, 259C1, 267A, 273C3 Trinity ...... 223A East Brewton ...... 239A Troy ...... 289C Elba ...... 266A Trussville ...... 290A Enterprise ...... 245C, 294C Tuscaloosa ...... 225C1, 239C1, 288A Eufaula ...... 224C2, 250A Eutaw ...... 282A Tuscumbia ...... 262C Eva ...... 260A Tuskegee ...... 240A Evergreen ...... 227C1 Union Springs ...... 231A Fairhope ...... 221C3 Uniontown ...... 298A Fayette ...... 251C1 Valley ...... 237A Florence ...... 241A, 297C Vernon ...... 293A Fort Mitchell ...... 252A Warrior ...... 254C1, 254C2 Fort Rucker ...... 263A Wetumpka ...... 250A Fruithurst ...... 274A Winfield ...... 290A Gadsden ...... 279C York ...... 285C2 Geneva ...... 229C1

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ALASKA ARIZONAÐContinued

Channel No. Channel No.

Anchorage ...... 225C, 229C2, 247C1, 251C1, Mesa ...... 284C, 227C 255C1, 263C2, 267C2, 271C3, Miami ...... 252A 276C1, 281C1,287C1, 293C, Nogales ...... 252A, 256A 298C1 Oracle ...... 292A Bethel ...... 252C3, 261C3 Oraibi ...... 252A College ...... 280A Oro Valley ...... 248A, 270A Cordova ...... 265A Page ...... 227C2 Delta Junction ...... 228A Paradise Valley ...... 290C3 Dillingham ...... 256A Parker ...... 230C3, 257C2 Fairbanks ...... 240C3, 245C3, 251C1, 266C2, Payson ...... 266C1, 282C 273C, 284C3 Phoenix ...... 233C, 238C, 245C, 254C, 260C, Haines ...... *272A 268C, 273C Homer ...... 278C Pinetop ...... 294C1 Houston ...... 221A, 234C2, 241A, 242A Prescott ...... 256C, 271C Juneau ...... 264A, 274A, 282A, 286A, 292C3 Prescott Valley ...... 252C2, 294C2 Kasilof ...... 295A Quartzsite ...... 232A Kenai ...... 261C3 Safford ...... 231C Ketchikan ...... 260A, 290C3, 294A Seligman ...... 277A Kodiak ...... 261A, 266A St. Johns ...... 239C Kotzebue ...... 280A Strasburg ...... 272A Naknek ...... 265A Scottsdale ...... 264C Nikiski ...... 227C2 Sedona ...... 275C, 298C Nome ...... 241A, 262A Show Low ...... 228C3, 243C North Pole ...... 262C1 Sierra Vista ...... 265A, 269A Palmer ...... 238C1 Springerville ...... 269A Petersburg ...... *265A Sun City ...... 292C2 Seward ...... 290A Tempe ...... 250C Sitka ...... 276C2, 284A Thatcher ...... 256C Soldotna ...... 243C3, 269C3 Tuba City ...... 250C1 Valdez ...... 227A Tucson ...... 225C, 229C, 235C, 241C, 258C, Wasilla ...... 259C1 281A, 298C Wrangell ...... *269A Tusayan ...... 221A Yakutat ...... 280A Wellton ...... 283C2 Wickenburg ...... 231C3, 287C2 Willcox ...... 223C3, 285C3 ARIZONA Williams ...... 244A Window Rock ...... 241C1, 274C3 Channel No. Winslow ...... 236C Yuma ...... 226C, 236C, 265A Ajo ...... 252A Apache junction ...... 296C2 Arizona City ...... 293A ARKANSAS Bagdad ...... 276C3 Benson ...... 249A Channel No. Bisbee ...... 222A Buckeye ...... 295C2 Arkadelphia ...... 265A Bullhead City ...... 274C Ashdown ...... 221A, 280A Casa Grande ...... 288C2 Atkins ...... 257A Chandler ...... 300C Augusta ...... 249C2 Chinle ...... 297C2 Bald Knob ...... 296C3 Chino Valley ...... 280C3 Barling ...... 233A Claypool ...... 291A Batesville ...... 226C, 258A Clifton ...... 271C1 Beebe ...... 268A Colorado City ...... 296C3 Bella Vista ...... 293C2 Comobabi ...... *275A Benton ...... 294C2 Cottonwood ...... 240C1, 289C3 Bentonville ...... 239A, 252C1 Douglas ...... 237A, 243A Berryville ...... 296C3 Duncan ...... 264A Blossom ...... 224C2 Eager ...... 223C1 Blytheville ...... 242C1 Flagstaff ...... 225C, 230C, 248C, 261C2 Booneville ...... 284C2 Florence ...... 276C1 Brinkley ...... 272A Gilbert ...... 280C2 Cabot ...... 273A Glendale ...... 222C, 278C Camden ...... 246C2, 283A Globe ...... 247C3, 262C Cherokee Village ...... 252A Green Valley ...... 221C2, 246A Clarendon ...... 281A Holbrook ...... 221C1 Clarksville ...... 224A, 295A Kachina Village ...... 286C2 Clinton ...... 221C3 Kearny ...... 287C2 Coalgate ...... 288C2 Kingman ...... 234C, 260C2, 290C1 Conway ...... 224A, 286C1 Lake Havasu City ...... 224C2, 244C2, 266C3, 283C2, Corning ...... 228A 286C2 Crossett ...... 285A Marana ...... 252A Danville ...... 288A

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ARKANSASÐContinued ARKANSASÐContinued

Channel No. Channel No.

Dardanelle ...... 272C3 Pocohontas ...... 281A De Witt ...... 247C2 Prairie Grove ...... 235C2 DeQueen ...... 226C2 Rogers ...... 232C2 Dermott ...... 276A, 289A Russellville ...... 265A Des Arc ...... 284A Salem ...... 265A Dumas ...... 295C3 Searcy ...... 260C2 Earle ...... 280C3 Sheridan ...... 275C2 East Camden ...... 237C1 Sherwood ...... 271A El Dorado ...... 227C3, 240A, 254C3, 268A, 277C1 Siloam Springs ...... *266A, 289C England ...... 243C3 Springdale ...... 285A Eudora ...... 268A Stamps ...... 263C2, 282A Eureka Springs ...... 265A Stuttgart ...... 288A Fairfield Bay ...... 291C2 Texarkana ...... 284A, 292C2, 296A Fayetteville ...... 221C3, 280C1, 300C Trumann ...... 294A Fordyce ...... 272A Van Buren ...... 274C3 Forrest City ...... 228C3 Viola ...... 232C3 Fort Smith ...... 229C, 256C, 260C, 264C2 Waldo ...... 256A Glenwood ...... 283A Waldron ...... 276C3 Gosnell ...... 297A Walnut Ridge ...... 292A Gould ...... 273A Warren ...... 288A Greenwood ...... 268A, 292C3 West Helena ...... 233C3, 285A Grosnell ...... 230A White Hall ...... 283A Gurdon ...... 224A Wilson ...... 234A Hamburg ...... 258A Wrightsville ...... 299C2 Hampton ...... 293C3 Wynne ...... 223C2 Hardy ...... 284A Yellville ...... 269A Harrisburg ...... 240C3 Harrison ...... 244A, 241C2, 275C1 Hatfield ...... 281C2 CALIFORNIA Heber Springs ...... 264C2 Helena ...... 233C3, 276C3 Channel No. Hope ...... 269C2, 285A Horseshoe Bend ...... 293A Alameda ...... 224A Hot Springs ...... 244A, 248C1, 290C1 Alturas ...... 267C, 293C1, 297C Hot Springs Village .... 225A Anaheim ...... 240A Hoxie ...... 287A Anderson ...... 234C2 Humnoke ...... 269A Apple Valley ...... 272A Huntsville ...... 258C3 Arcadia ...... 296A Jacksonville ...... 262C1 Arcata ...... 226C Jonesboro ...... 263C2, 270C, 300C1 Arnold ...... 240A, 291B1 Lakeview ...... 228C3 Arvin ...... 223A Lake City ...... 285C3 Atascadero ...... 283B Lake Village ...... 240A, 278A Atwater ...... 223A Little Rock ...... 231C, 239C, 253C, 258A, 279C Auberry ...... 286B1 Lonoke ...... 292C2 Auburn ...... 266B Lowell ...... 270C2 Avalon ...... 224A Magnolia ...... 300C1 Avenal ...... 289A Malvern ...... 227A, 268A Baker ...... 235B1, 268B Mammoth Spring ...... 236C1 Bakersfield ...... 221A, 231B, 243B, 257B1, 268B, Marianna ...... 287A 296A, 300B Marion ...... 296A Barstow ...... 232B1, 240B1 Marked Tree ...... 229A Beaumont ...... 265A Marshall ...... 282C Berkeley ...... 231B, 275B Maumelle ...... 235C, 245A Big Bear City ...... 227A Mena ...... 242C1, 271C3, 287C3 Big Bear Lake ...... 269A Monticello ...... 228A, 260C3 Big Pine ...... 227B Morrilton ...... 269A Bishop ...... 264B Mountain Home ...... 250C2, 288C2, 298C1 Blythe ...... 262B Mountain Pine ...... 270A Brawley ...... 233B, 241B Mountain View ...... 277C Burney ...... 291C Murfreesboro ...... 258C3 Calexico ...... 249A Nashville ...... 245A, 288A California City ...... 295A Newport ...... 244C2 Calipatria ...... 265A North Crossett ...... 274C3 Calistoga ...... 265A North Little Rock ...... 266A Camarillo ...... 212B, 240B1 Ola ...... 267A Cambria ...... 235B1, 278A Ozark ...... 244A Carlsbad ...... 239B Pangburn ...... 256A Carmel ...... 238A, 269A Paragould ...... 296A Carnelian Bay ...... 279C1 Paris ...... 237C2 Carpinteria ...... 269A Piggott ...... 288A Cartago ...... 275A Pine Bluff ...... 222C1, 257A, 267C3 Cathedral City ...... 253B

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CALIFORNIAÐContinued CALIFORNIAÐContinued

Channel No. Channel No.

Central Valley ...... 257C2 Inglewood ...... 280A Chester ...... 255C, 259A Jackson ...... 259A Chico ...... 230B1, 236B, 224A Johannesburg ...... 280B1 China Lake ...... 274A Joshua Tree ...... 221A Chowchilla ...... 227A Julian ...... 261A Clovis ...... 221B1 Kerman ...... 232A, 237A Coachella ...... 229B Kernville ...... 273A Coalinga ...... 261B King City ...... 230B1, 271B Columbia ...... 255A Kings Beach ...... 299C3 Colusa ...... 276A, 298B Kingsburg ...... 292A Compton ...... 272A La Quinta ...... 244A Copperopolis ...... 288A Lake Arrowhead ...... 280A Corcoran ...... 272B1 Lake Isabella ...... 283A Corning ...... 264C1 Lakeport ...... 252A, 258B Cresent City ...... 232C3 Lancaster ...... 292A Cresent North ...... 250C2 Lenwood ...... 245A, 283A Davis ...... 282A Lindsay ...... 277B1 Delano ...... 253B, 287B Livermore ...... 269A Desert Center ...... 288A Livingston ...... 240A Dinuba ...... 255B Lodi ...... 249A Dunnigan ...... 288B1 Lompoc ...... 262B1, 281B1, 285A, 294B1 Dunsmuir ...... 261C3 Long Beach ...... 288A Earlimart ...... 228A Los Altos ...... 249A East Hemet. Los Angeles ...... 222B, 226B, 230B, 234B, 238B, East Los Angeles ...... 250B 242B, 246B, 254B, 258B, 262B, East Porterville ...... 263B1 266B, 274B, 278B, 282B, 286B, El Cajon ...... 227B 290B, 298B El Centro ...... 298B Los Banos ...... 284B, 295A El Rio ...... 279A Los Gatos ...... 237A Ellwood ...... 233B Los Molinos ...... 269A Escondido ...... 221A Los Osos-Baywood 267B Esparto ...... 250A Pk. Essex ...... 255B, 280B Lucerne Valley ...... 293A Eureka ...... 222C1, 242C, 268C, 288C1 Ludlow ...... 261B1, 289A Fair Oaks ...... 234B1 Madera ...... 296B1 Fallbrook ...... 296A Mammoth Lakes ...... 293B1 Farmington ...... 232A Manteca ...... 244A Felton ...... 229A Marina ...... 224B1 Ferndale ...... 257A Mariposa ...... 242B, 280A Firebaugh ...... 234A Marysville ...... 260B Ford City ...... 271A McCloud ...... 238C3 Fort Bragg ...... 228B, 237B1, 253B1 McFarland ...... 275B1 Fortuna ...... 262C1 Mecca ...... 249A Fowler ...... 244B1 Mendocino ...... 224A Freedom ...... 298A Mendota ...... 263A Fremont ...... 285A Merced ...... 231A, 248B, 292A, 299A Fresno ...... 229B, 239B, 250B, 257A, 266B, Middletown ...... 254A 270B, 274B, 290B Modesto ...... 230A, 272A, 277B, 281B Garberville ...... 279C1, 284C Mojave ...... 249A Garden Grove ...... 232A Monte Rio ...... 249B1 George ...... 264A Montecito ...... 225A Gilroy ...... 233B Monterey ...... 245B Glendale ...... 270B Morro Bay ...... 231A, 259A Goleta ...... 292A Morgan Hill ...... 241A Gonzales ...... 282A Mount Bullion ...... 260B Grass Valley ...... 232B1, 257A, 277A Mount Shasta ...... 300A Greenacres ...... 291B1 Mountain Pass ...... 258B Greenfield ...... 258B, 300B Needles ...... 250C1, 296B Gridley ...... 268A Newberry Springs ...... 279A Grover City ...... 297B Newport Beach ...... 276A Guadalupe ...... 288A Oakdale ...... 236B Gualala ...... 263b1 Oakhurst ...... 276B1 Hanford ...... 233A, 279B, 298B Oceanside ...... 271B Healdsburg ...... 225B, 240A, 244A Oildale ...... 237B1 Hollister ...... 228A OJAI ...... 288A Holtville ...... 261A Ontario ...... 228A Huron ...... 252A Orange Cove ...... 262A Hydesville ...... 231C1 Orcutt ...... 239B1 Idyllwild ...... 267A Orland ...... 294B Imperial ...... 257A Oroville ...... 249B1 Independence ...... 223B Oxnard ...... 252B1, 275A, 284B Indio ...... 224A, 272A Pacific Grove ...... 286B1

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CALIFORNIAÐContinued CALIFORNIAÐContinued

Channel No. Channel No.

Palm Dessert ...... 276A Tipton ...... 285A Palm Springs ...... 263B1, 284B, 291B Tracy ...... 265A Paradise ...... 244B1, 278B1 Truckee ...... 268A Pasadena ...... 294B Tulare ...... 235B, 294B Paso Robles ...... 223B, 276A Tulelake ...... 243C Patterson ...... 226B, 246A Turlock ...... 252A Pismo Beach ...... 237A Twin Harte ...... 228A Placerville ...... 221A Twentynine Palms ..... 242A, 299B1 Point Arena ...... 272B1 Ukiah ...... 233B, 246A, 277B, 290B Porterville ...... 259B Vacaville ...... 237B1 Quincy ...... 240A, 262A Ventura ...... 236B, 264B, 296A Rancho Mirage ...... 258A Victorville ...... 276A Red Bluff ...... 239B, 274C2 Visalia ...... 255B, 241A, 246B Redding ...... 247C, 251C, 282C Walnut Creek ...... 221A Redlands ...... 244A Weaverville ...... 266A, 276C2 Redondo Beach ...... 228A Weed ...... 272C1 Ridgecrest ...... 224B1, 285B1 West Covina ...... 252A Rio Del ...... 297C2 Williams ...... 256A Riverside ...... 224A, 248B, 256B Willows ...... 292A Rohnert Park ...... 285A Windon ...... 254A Rosamond ...... 228A, 288A Windsor ...... 281A Roseville ...... 229B1 Woodlake ...... 281B Sacramento ...... 223B, 241B, 245B, 253B, 263B, Woodland ...... 281B 278A, 286B, 293B, 300B Yermo ...... 251B Salinas ...... 250A, 264B, 273B, 278A Yreka ...... 280C1 San Bernardino ...... 236B, 260B Yuba City ...... 280B1 San Clemente ...... 300B Yucca Valley ...... 295B San Diego ...... 231B, 235B, 243B, 247B, 251B, 264B, 268B, 275B, 279B, 287B, 293B COLORADO San Fernando ...... 232A San Francisco ...... 227B, 235B, 239B, 243B, 247B, Channel No. 251B, 255B, 259B, 267B, 271B, 279B, 283B, 287B, 291B, 295B Alamosa ...... 228A San Jacinto ...... 241A Aspen ...... 249C3, 296C3 San Joaquin ...... 288A Avon ...... 276C2 San Jose ...... 222B, 253B, 262B, 293B Basalt ...... 291A San Luis Obispo ...... 227B, 241B, 246B1, 251B Boulder ...... 247C San Mateo ...... 299B Buena Vista ...... 281C3 San Rafael ...... 264A Breckenridge ...... 272A Santa Ana ...... 244A, 292A Brush ...... 292A, 296A Santa Barbara ...... 229B, 248B, 260B, 277B, 299B1 Burlington ...... 257C1, 281C1 Santa Clara ...... 289B Canon City ...... 280A Santa Cruz ...... 256B Castle Rock ...... 221C2 Santa Margarita ...... 291B1 Colorado Springs ...... 225C, 232C, 236C, 251C, 270C Santa Maria ...... 256B, 273B Cortez ...... 250C, 254C Santa Paula ...... 244A Craig ...... 229C1, 273C Santa Rosa ...... 261B1, 269A Delta ...... 236C, 277C2 Santa Ynez ...... 290A Denver ...... 239C, 253C, 258C, 262C, 266C, Searcy ...... 260C2 278C, 286C, 290C, 294C Seaside ...... 280A, 296A Dolores ...... 227C2 Sebastopol ...... 229A Durango ...... 259C2, 263C1, 267C1, 287A Shafter ...... 249A, 282A Eagle ...... 268C Shasta Lake City ...... 257C3, 296C3 Estes Park ...... 271A Shingle Springs ...... 270B Evergreen ...... 243C Shingletown ...... 241A, 287C2 Fort Collins ...... 227C, 300C1 Soledad ...... 292A Fort Morgan ...... 269A Solvang ...... 244A Fountain ...... 241C3 Sonora ...... 224A Frisco ...... 230A South Lake Tahoe ..... 230B1, 275C Fruita ...... 260C South Oroville ...... 285A Glenwood Springs ..... 224C, 238A, 256C3 St. Helena ...... 257A Grand Junction ...... 222C, 226C, 264C1, 282C, 300C Stockton ...... 257A, 261A, 297B Greeley ...... 223C1, 241C1 Sun City ...... 225A Gunnison ...... 252C3, 272A Susanville ...... 222C2, 227C, 242C3 Hayden ...... 240C3, 297A Sutter Creek ...... 298A Holyoke ...... 222C2 Taft ...... 280A Idalia ...... 231A Tahoe City ...... 243C1 Julesburg ...... 243C1 Tehachapi ...... 261A, 276A Kremmling ...... 292C3 Temecula ...... 233A, 277A La Junta ...... 221C3, 293C1, Templeton ...... 263A Lafayette ...... 234C Thousand Oaks ...... 216B, 224A, 234A Lakewood ...... 298C

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COLORADOÐContinued DELAWAREÐContinued

Channel No. Channel No.

Lamar ...... 227C1, 289C1 Fenwick Island ...... 221A Las Animas ...... 297A Laurel ...... 237A Leadville ...... 228A Lewes ...... 290A Limon ...... 229A, 276C1 Milford ...... 249A, 267A Longmont ...... 282C1 Millsboro ...... 228B Loveland ...... 273C2 Ocean View ...... 269A Manitou Springs ...... 274C Rehoboth Beach ...... 224A Meeker ...... 251C Seaford ...... 252A Monte Vista ...... 237A Selbyville ...... 250A Montrose ...... 231C, 241C Smyrna ...... 225A Oak Creek ...... 281C3 Wilmington ...... 229B, 258B Ouray ...... 289C3 Pagosa Springs ...... 292C3 Pueblo ...... 245C, 255C, 260C, 264C, 283C2, DISTRICT OF COLUMBIA 296C2, 300C1 Rifle ...... 287C Channel No. Rocky Ford ...... 238C1 Salida ...... 222C3, 229C3 Washington ...... 230B, 242B, 246B, 254B, 258B, Security ...... 288C3 262B, 266B, 278B, 297B Silverton ...... 279C2, 297C1 Snowmass Village ..... 280A Strasburg ...... *249C3, 272A FLORIDA Steamboat Springs .... 245A, 255A Sterling ...... 284C1, 288A Channel No. Telluride ...... 285C3 Trinidad ...... 223C1 Alachua ...... 223A Vail ...... 284C1 Apalachicola ...... 263C3, 288A Walsenburg ...... 272C3 Apopka ...... 237A Wellington ...... 232C3 Arcadia ...... 252C3 Widefield ...... 292C2 Atlantic Beach ...... 283C Windsor ...... 256C Avon Park ...... 256C3 Wray ...... 252C2 Baldwin ...... 289A Yuma ...... 265C3 Belle Glade ...... 228A Beverly Hills ...... 292C3 Big Pine Key ...... 284C CONNECTICUT Blountstown ...... 272A Boca Raton ...... 260C Channel No. Bonifay ...... 249C1 Bonita Springs ...... 241C Bridgeport ...... 260B Bradenton ...... 278C Brookfield ...... 236B Callahan ...... 227C2 Danbury ...... 252A Callaway ...... 278C1 East Lyme ...... 254A Cape Coral ...... 280C1, 292A Enfield ...... 250A Carrabelle ...... 293C1 Groton ...... 288A Cedar Key ...... 274C3 Hamden ...... 267B Century ...... 286C3 Hartford ...... 229B, 243B, 275B, 290B, 295B Charlotte Harbor ...... 225C1 Hartford-Meriden ...... 239B Chiefland ...... 300A Ledyard ...... 293A Clearwater ...... 239C1, 250C Litchfield ...... 247A Clewiston ...... 292A Middletown ...... 285A Cocoa ...... 257C2 New Britain ...... 263B Cocoa Beach ...... 266C, 281C New Haven ...... 232A, 256B Coral Cove ...... 300C2 New ...... 265A Coral Gables ...... 286C Norwalk ...... 240A Crawfordville ...... 231A Norwich ...... 249A Crestview ...... 284C1 Pawcatuck ...... 299A Cross City ...... 295C1 Salisbury ...... 251A Crystal City ...... 253C Sharon ...... 277A Dade City ...... 241A Stamford ...... 244A Daytona Beach ...... 233C, 270C1 Stonington ...... 272A Defuniak Springs ...... 276C2 Waterbury ...... 223B, 281B Deland ...... 290C Westport ...... 300B Destin ...... 221C3 Willimantic ...... 252A Dunnellon ...... 272C2 Edgewater ...... 226C3 Englewood ...... 290A DELAWARE Fernandina Beach ..... 287A Five Points ...... 293A Channel No. Fort Lauderdale ...... 264C, 278C, 290C, 294C Fort Myers ...... 237C1, 245C, 270C Bethany Beach ...... 240B1, 278A Fort Myers Beach ...... 257C2 Dover ...... 234B Fort Myers Villas ...... 292A

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FLORIDAÐContinued FLORIDAÐContinued

Channel No. Channel No.

Fort Pierce ...... 238C1, 254C Perry ...... 221A Fort Walton Beach ..... 243C1, 258C2 Plantation Key ...... 262C1, 276C3 Gainesville ...... 265A, 279C1, 287A Pompano Beach ...... 274C Gifford ...... 234A Ponte Vedra Beach ... 227A Goulds ...... 252C Port Charlotte ...... 261C1 Graceville ...... 269A Port St. Joe ...... 228C2 Green Cove Springs .. 224A Port St. Lucie ...... 267A Gretna ...... 227A Punta Rassa ...... 249A Gulf Breeze ...... 291A Quincy ...... 268C1 Havana ...... 285C2 Riviera Beach ...... 232C3 Hialeah ...... 222C2 Rock Harbor ...... 271C2 High Springs ...... 285A Rockledge ...... 274C2 Hobe Sound ...... 288C2 Safety Harbor ...... 223C2 Holiday ...... 246C2 San Carlos Park ...... 253A Holly Hill ...... 277A Santa Rosa Beach .... 271C3 Holmes Beach ...... 254C3 Sarasota ...... 273C, 282A, 293C2 Homosassa Springs .. 237A Sebastian ...... 240C3 Immokalee ...... 221A Sebring ...... 289C3 Indian River Shores ... 246C3 Silver Springs ...... 238A Indiantown ...... 276C2 Solana ...... 285A Inglis ...... 282A Springfield ...... 240C2, 266A Jacksonville ...... 236C, 241C, 245C, 256C, 275C, St. Augustine ...... 231C3, 250C2 297C1 St. Augustine Beach .. 288C3 Jensen Beach ...... 272C3 St. Petersburg ...... 258C, 268C1, 297C1 Jupiter ...... 258A Starke ...... 292A Key Colony Beach ..... 280C2 Stuart ...... 224C2 Key Largo ...... 292C2 Summerland Key ...... 273C2 Key West ...... 223C1, 228C2, 254C1, 258C1, Tallahassee ...... 235C1, 241C2, 255C1, 276C2, 296A, 300C1 281C, 291A LaBelle ...... 223A Tampa ...... 227C, 235C, 264C, 284C1 LaCrosse ...... 258A Tavares ...... 294C1 Lafayette ...... 260C2 Tavernier ...... 245A LaCrosse ...... 258A Tice ...... 229A Lake City ...... 232C2 Titusville ...... 251C1 Lakeland ...... 231C Trenton ...... 269C3 Lehigh Acres ...... 296C2 Venice ...... 221C3 Live Oak ...... 251C2, 291A Vero Beach ...... 229C2, 259C2, 269C3, 279C2 MacClenny ...... 221C3 Watertown ...... 271C3, 289A Madison ...... 274A West Palm Beach ...... 221C3, 282C, 300C1 Marathon ...... 232C2, 249C1, 288C2 White City ...... 284A Marco ...... 255A, 266C1 Williston ...... 267A Marianna ...... 231A, 265A Wilson Creek ...... 277C3 Mary Esther ...... 288C3 Winter Haven ...... 248C Melbourne ...... 236A, 292A, 296C1 Winter Park ...... 276C3 Mexico Beach ...... 25C2 Woodville ...... 250A Miami ...... 226C, 243C 247C, 256C1, 268C1, Yankeetown ...... 242A 298C Zolfo Springs ...... 295A Miami Beach ...... 230C, 235C Micanopy ...... 247C2 Midway ...... 264C3 GEORGIA Milton ...... 274C Miramar Beach ...... 292A Channel No. Monticello ...... 289C3 Mount Dora ...... 299C Adel ...... 221A Murdock ...... 255A Albany ...... 242C1, 269A, 283C1 Naples ...... 228A, 233C, 276C3 Alma ...... 282A Naples Park ...... 288C2 Americus ...... 234C3, 254C3 Newberry ...... 263C3 Ashburn ...... 289A New Port Richey ...... 288C1 Athens ...... 238C, 284C Niceville ...... 262A Atlanta ...... 225C1, 235C, 241C, 253C, 259C, Nocatee ...... 287A 277C North Miami Beach .... 239C2 Augusta ...... 272A, 276A, 282C, 289C Ocala ...... 224A, 229C Bainbridge ...... 247C, 270A Orlando ...... 222C, 243C, 255C2, 262C, 286C Baxley ...... 233C Ormond-By-The-Sea 239C3 Blackshear ...... 286C3 Othello ...... 248C2 Blakely ...... 266C3 Palatka ...... 260C Blue Ridge ...... 280A Palm Beach ...... 250C Bolingbroke ...... 271A Panama City ...... 223C1, 253C, 290C2, 300C1 Boston ...... 292A Panama City Beach ... 261C3, 286C2 Bostwick ...... 222A Parker ...... 233C Bowdon ...... 288A Pensacola ...... 231C, 254C2, 264C, 268C, 297C Broxton ...... 279A

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GEORGIAÐContinued GEORGIAÐContinued

Channel No. Channel No.

Brunswick ...... 264C1, 268C, 281A Milan ...... 285C2 Buford ...... 272A Milledgeville ...... 264A, 272A Cairo ...... 272A Millen ...... 235C3 Camilla ...... 288A Montezuma ...... 236A Canton ...... 289C2 Moultrie ...... 230C1 Carrollton ...... 221A Mt. Vernon ...... 269A Chatsworth ...... 255A Nashville ...... 237C3 Chauncey ...... 267C2 Ocilla ...... 249A, 253A Clarkesville ...... 275C3 Omega ...... 298A Claxton ...... 297C3 Peachtree City ...... 244A Clayton ...... 281A Pearson ...... 270A Cleveland ...... 270A Pelham ...... 222A Cochran ...... 244A Perry ...... 265A Columbus ...... 275C, 285A, 297C Quitman ...... 287A Coosa ...... 237A Reidsville ...... 281A Cordele ...... 252A Richmond Hill ...... 287C3 Cornelia ...... 257C2 Ringgold ...... 229A, 270A Crawford ...... 271C3 Rockmart ...... 296C2 Cusseta ...... 279A Rome ...... 249C3, 272A Cuthbert ...... 264A Rossville ...... 288A Dahlonega ...... 282A Roswell ...... 298A Dalton ...... 283A Royston ...... 279C3 Dawson ...... 221A Sandersville ...... 260A Dock Junction ...... 290C3 Savannah ...... 226C1, 231C, 238C1, 243C, 247C, Donalsonville ...... 292A, 298A 271C Douglas ...... 258C1, 294C1 Smithville ...... 293A Dublin ...... 224C2, 240C1 Smyrna ...... 231C Eastman ...... 248A Soperton ...... 291A Eatonton ...... 249C3 Sparta ...... 274A Elberton ...... 221A, 286A Springfield ...... 280A Ellijay ...... 228A St. Marys ...... 227C2 Evans ...... 222A St. Simons Island ...... 224A Fayetteville ...... 248C3 Statenville ...... 248A Fitzgerald ...... 245A Statesboro ...... 261C2, 275C3 Folkston ...... 223A Swainsboro ...... 251A, 263A Forsyth ...... 261A Sylvania ...... 293A Fort Valley ...... 250C3, 292C2 Sylvester ...... 271A, 291A Gainesville ...... 246C Talking Rock ...... 261A Gainsville ...... 294C Tennille ...... 270A Gibson ...... 232A Thomaston ...... 266A Glennville ...... 292A Thomasville ...... 296C1 Gordon ...... 296A Thomson ...... 269A Gray ...... 243A Tifton ...... 223C3, 262C Greensboro ...... 280A Toccoa ...... 291C Greenville ...... 239C3 Trenton ...... 274A Harlem ...... 236C3 Trion ...... 239A Hawkinsville ...... 280C3 Unadilla ...... 260A Hazlehurst ...... 228C2 Valdosta ...... 225C1, 239C2, 244C2, 266C1, 299A Helen ...... 286A Vidalia ...... 249A Hinesville ...... 222C2, 284C3 Warner Robins ...... 269A, 273A Hogansville ...... 251C3 Warrenton ...... 226A Homerville ...... 254A Washington ...... 261A Irwinton ...... 279A Waycross ...... 249A, 273C1, 277C Jackson ...... 221A Waynesboro ...... 265A, 296C3 Jeffersonville ...... 229C2 Westpoint ...... 265A Jesup ...... 288C3 Wrens ...... 245C3 Kingsland ...... 292A Wrightsville ...... 298A LaFayette ...... 298A Zebulon ...... 223A La Grange ...... 281C1 Lakeland ...... 290C3 Leesburg ...... 278C3 EFFECTIVE DATE NOTE: At 62 FR 47762, Louisville ...... 221A Sept. 11, 1997, Georgia was amended by add- Lumpkin ...... 257C2 Lyons ...... 265A ing channel 270A at Bainbridge, effective Mableton ...... 273A Oct. 20, 1997 Macon ...... 222A, 256C1, 287C1, 300C1 Manchester ...... 227C HAWAII Marietta ...... 268C Martinez ...... 230C3, 299C2 Channel No. McRae ...... 274A Metter ...... 279A Aiea ...... 300C Midway ...... 252C1 Hali'imaile ...... 288A

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HAWAIIÐContinued IDAHOÐContinued

Channel No. Channel No.

Hilo ...... 224A, 234C1, 240C2, 246C2, Twin Falls ...... 239C1, 243C1, 252C1 250C1, 262C1 Victor ...... 222A, 282A Honolulu ...... 226C, 230C1, 234C1, 238C, 248C1, Weston ...... 240A 253C1, 258C1, 262C1, 286C, Wallace ...... 248C2, 264C 290C Kahalu'u ...... 291C Kahului ...... 260C1 ILLINOIS Kailua ...... 242C Kailua-Kona ...... 230C Channel No. Kaneohe ...... 282C Kawaihae ...... 295A Aledo ...... 272A Keaau ...... 286C2 Alton ...... 262B Kealakekua ...... 268C1 Anna ...... 243C2 Kekaha ...... 277C1 Arcola ...... 300A Lahaina ...... 228C, 266C1 Arlington Heights ...... 224A Lanai City ...... 284C2 Atlanta ...... 242A Lihue ...... 228C1, 245C1, 251C Augusta ...... 253A Makawao ...... 232A Aurora ...... 240A, 300B Paauilo ...... 279C Ava ...... 280A Pearl City ...... 270C Bartonville ...... 260A Poipu ...... 240A Beardstown ...... 232A Princeville ...... 255C1, 260C1 Belvidere ...... 285A Pukalani ...... 252C2 Benton ...... 292B1 Volcano ...... 299C3 Bethalto ...... 238A Wailuku ...... 236C Bloomington ...... 268B Waimea ...... 256C Breese ...... 248A Waipahu ...... 222C, 274C Bushnell ...... 284A Canton ...... 266A, 300B1 Carbondale ...... 268B IDAHO Carlyle ...... 244A Carmi ...... 247B Channel No. Carrier Mills ...... 283A Carterville ...... 236A American Falls ...... 281C1 Carthage ...... 221B1, 230A Blackfoot Falls ...... 247C, 268C, Casey ...... 282B1 Boise ...... 222C, 250C, 282C, 286C Centralia ...... 237A Bonners Ferry ...... 221A Champaign ...... 233B, 248B, 262B1 Burley ...... 260C Charleston ...... 221A Caldwell ...... 231C, 277C, 296C Chicago ...... 226B, 230B, 234B, 238B, 242B, Chubbuck ...... 253C2 246B, 250B, 254B, 258B, 262B, Coeur D'Alene ...... 272A, 276C2 266B, 278B, 282B, 298B Driggs ...... 271A Chillicothe ...... 232A Eagle ...... 300C Christopher ...... 278A Emmett ...... 270C Clinton ...... 240A Franklin ...... 249A Coal City ...... 264A Fruitland ...... 258C1 Colchester ...... 281A Garden City ...... 290C Colfax ...... 255A Gooding ...... 264C3 Columbia ...... 285C3 Grangeville ...... 224C3 Crest Hill ...... 252A Hayden ...... 233C Crete ...... 272A Homedale ...... 292C Danville ...... 235A, 256B, 271B Idaho Falls ...... 241C, 256C1, 277C1, 288C1, 296A Decatur ...... 226A, 236B, 275B Island Park ...... 293C DeKalb ...... 223B, 235A Jerome ...... 275C1 Des Planes ...... 294B Ketchum ...... 284C Dixon ...... 269A Lewiston ...... 243C1, 268C1, 286A, 295C Duquoin ...... 240A McCall ...... 252A, 266C1, 294A Dundee ...... 280A Moscow ...... 291C1 Dwight ...... 255A Mountain Home ...... 256C1 Earlville ...... 275A Nampa ...... 235C, 245C East Moline ...... 267B New Plymouth ...... 226C East St. Louis ...... 266C2 Orofino ...... 237C3, 253A Effingham ...... 239B, 249A Payette ...... 262C1 Eldorado ...... 272A Pocatello ...... 221A, 229C, 235C, 273C Elgin ...... 232A Preston ...... 244C1 Elmwood ...... 247B1 Rexburg ...... 232C3, 251C1, 263C1 Elmwood Park ...... 290B Rupert ...... 223C Eureka ...... 253A Salmon ...... 224A Evanston ...... 286B Sandpoint ...... 237C1, 273A Fairbury ...... 299B1 Shelley ...... 300C Fairfield ...... 285A, 290A Soda Springs ...... 261A Farmer City ...... 252A Sun Valley ...... 237C1, 279C, 298C Farmington ...... 234A

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ILLINOISÐContinued ILLINOISÐContinued

Channel No. Channel No.

Fisher ...... 273A Pinckneyville ...... 282A Flora ...... 280A Pittsfield ...... 248B1 Freeport ...... 221A, 253B Plano ...... 296A Galatia ...... 255A Polo ...... 299A Galena ...... 298A Pontiac ...... 229B1 Galesburg ...... 224A, 235B Princeton ...... 251A Galva ...... 273A Quincy ...... 258B, 280A, 286B Geneseo ...... 285A Ramsey ...... 227A Gibson City ...... 292A Rantoul ...... 237A, 241A Golconda ...... 232A Robinson ...... 269A Granite City ...... 293C1 Rochelle ...... 272A Greenville ...... 269A Rock Island ...... 255B Harrisburg ...... 260B Rockford ...... 248B, 265A Havana ...... 257A Rockton ...... 276A Henry ...... 263A Rushville ...... 223A Herrin ...... 224B1 Salem ...... 261A Highland Park ...... 276A Savanna ...... 262B1 Hillsboro ...... 259B Seneca ...... 239A Hoopeston ...... 265A Shelbyville ...... 286B1 Jacksonville ...... 263B Skokie ...... 270B Jerseyville ...... 281B South Jacksonville ..... 288A Joliet ...... 228A, 244A Spring Valley ...... 277A Kankakee ...... 224A, 236A, 260B Springfield ...... 254B, 270B, 279B, 283B Kewanee ...... 230A Sterling ...... 232A Knoxville ...... 287A Streator ...... 249A, 291A La Salle ...... 257B1 Sullivan ...... 294B1 Lansing ...... 292A Taylorville ...... 224B1, 232A, 247A Lawrenceville ...... 276A Teutopolis ...... 272A Le Roy ...... 281B Tower Hill ...... 252A Lena ...... 271A Tuscola ...... 228A Lexington ...... 258A Urbana ...... 223B1, 296A Lincoln ...... 230B1 Vandalia ...... 296A Litchfield ...... 291B Virden ...... 244A Loves Park ...... 244A Virginia ...... 267A Lynnville ...... 296A Watseka ...... 231B Macomb ...... 240A, 261A, 274B1 Waukegan ...... 272A Mahomet ...... 290A West Frankfort ...... 249A Marion ...... 297B Wilmington ...... 288A Maroa ...... 297A Winnebago ...... 237A ...... 243A Woodlawn ...... 295A Marshall ...... 290A Woodstock ...... 288A Mattoon ...... 245B Zion ...... 245B Mendota ...... 261A Metropolis ...... 252C2, 288A Moline ...... 245B INDIANA Monmouth ...... 249A Monticello ...... 288A Channel No. Morris ...... 276A, 284B Morrison ...... 274A Alexandria ...... 224A Morton ...... 272A Anderson ...... 250B, 254A Mount Carmel ...... 235B Angola ...... 262A Mount Morris ...... 239A Attica ...... 239A Mount Olive ...... 287A Auburn ...... 272A Mount Vernon ...... 231B, 271B1 Aurora ...... 257A Mount Zion ...... 257A Austin ...... 224A, 242A Murphysboro ...... 286B1 Batesville ...... 280A Nashville ...... 284A Battle Ground ...... 254A Neoga ...... 255A, 267B1 Bedford ...... 288A Newton ...... 278B1 Berne ...... 224A Normal ...... 244A Bicknell ...... 289A Oak Park ...... 274B Bloomfield ...... 266A Ogelsby ...... 271A Bloomington ...... 222B, 224A, 279B Olney ...... 225B Bluffton ...... 261A Oregon ...... 291A Booneville ...... 296A Ottawa ...... 237A Brazil ...... 249A Pana ...... 265A Bremen ...... 245A Paris ...... 253B Brookston ...... 237A Paxton ...... 285A Brownsburg ...... 270A Pekin ...... 238B1, 285A Cannelton ...... 275C3 Peoria ...... 222A, 227B, 289B, 295B Chandler ...... 228A Peru ...... 265A Charlestown ...... 282A Petersburg ...... 249A Churubusco ...... 242B1

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INDIANAÐContinued INDIANAÐContinued

Channel No. Channel No.

Clarksville ...... 226A Plymouth ...... 232B1 Clinton ...... 230A Portland ...... 265A Columbia City ...... 292A Princeton ...... 251B, 263A Columbus ...... 268B, 285A Rensselaer ...... 249A Connersville ...... 262B Richmond ...... 241B, 267B Corydon ...... 243A, 299B Roann ...... 270A Covington ...... 276A Roanoke ...... 231A Crawfordsville ...... 280A, 292A Rochester ...... 221A Crown Point ...... 280A Rockville ...... 285A Danville ...... 296A Royal Center ...... 279A Decatur ...... 286B1 Rushville ...... 232A Delphi ...... 275A Salem ...... 250A Earl Park ...... 251B1 Santa Clause ...... 277A Edinburgh ...... 275A Scottsburg ...... 287A Elkhart ...... 264B, 284B Seelyville ...... 240A Ellettsville ...... 286A Seymour ...... 229B Elwood ...... 269A Shelbyville ...... 246B Evansville ...... 281B, 287B, 298A South Bend ...... 225B, 268B, 276A, 280A, 292A Ferdinand ...... 253A South Whitley ...... 266A Fort Branch ...... 268A Spencer ...... 224A Fort Wayne ...... 222A, 236B, 247B, 269A, 280A Sullivan ...... 237A Frankfort ...... 259B Syracuse ...... 278A Franklin ...... 240A Tell City ...... 289A French Lick ...... 261A Terre Haute ...... 260B, 264B, 274B, 298B Goshen ...... 249A Valparaiso ...... 288A Greencastle ...... 232A Van Buren ...... 257A Greenfield ...... 258B Veedersburg ...... 225A Greensburg ...... 297B Versailles ...... 276A Greenwood ...... 294A Vevay ...... 240A Hammond ...... 222B Vincennes ...... 221A, 244A Hardinsburg ...... 245A Wabash ...... 240A, 290A Hartford City ...... 228A Walton ...... 229A Huntingburg ...... 265B1 Warsaw ...... 297B Huntington ...... 275A Washington ...... 293B, 300A Indianapolis ...... 226B, 234B, 238B, 242A, 277B, West Lafayette ...... *267A, 294A 283B, 289B, 300B West Terre Haute ...... 288A Jasper ...... 284B Winamac ...... 261A Jeffersonville ...... 239B Winchester ...... 252A Kendallville ...... 227B Kentland ...... 269A Knox ...... 257A IOWA Kokomo ...... 223A, 263B La Porte ...... 244A Channel No. Lafayette ...... 228A, 243B, 287B Lagrange ...... 288A Albia ...... 244C3 Lebanon ...... 265A Algona ...... 224C2 Ligonier ...... 274A Alta ...... 248A Linton ...... 227B1 Ames ...... 281C, 286C3 Logansport ...... 272A Ankeny ...... 223C2, 292A Loogootee ...... 231A Asbury ...... 277C3 Lowell ...... 296A Atlantic ...... 239C3 Madison ...... 244A Audubon ...... 243C1 Marion ...... 295B Belle Plaine ...... 238C3 Martinsville ...... 272A Bettendorf ...... 228A Michigan City ...... 240A Bloomfield ...... 292C3 Mitchell ...... 273A Boone ...... 252C2, 257A Monticello ...... 299A Britt ...... 258A Mount Vernon ...... 294A Brooklyn ...... 256C2 Muncie ...... 221A, 281B, 285A Burlington ...... 228A, 297C1, 276C3 Nappanee ...... 239A Carroll ...... 229C1 Nashville ...... 236A Castana ...... 298A New Albany ...... 234A Cedar Falls ...... 253C3 New Carlisle ...... 272A Cedar Rapids ...... 243C1, 251C1, 275C1, 283C1 New Castle ...... 273B Centerville ...... 254C1 New Haven ...... 300A Chariton ...... 287C2 Newburgh ...... 291A Charles City ...... 240A Noblesville ...... 230A Cherokee ...... 221A 272A North Vernon ...... 291B Clarinda ...... 257C2 Paoli ...... 237A Clarion ...... 245C1 Peru ...... 252A Clear Lake ...... 276A Petersburg ...... 272A Clinton ...... 241C1, 234A Plainfield ...... 252A Council Bluffs ...... 253C

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IOWAÐContinued IOWAÐContinued

Channel No. Channel No.

Cresco ...... 272A Stuart ...... 300C3 Creston ...... 267C3 Twin Lakes ...... 290C3 Davenport ...... 279C, 293C1 Washington ...... 291A Decorah ...... 263C2, 284A Waterloo ...... 270C, 289C, 300C Denison ...... 296A Waukon ...... 278C2 Des Moines ...... 227C, 235C, 247C1, 262C, 273C, Waverly ...... 257A 298C1 Webster City ...... 239C3 Dubuque ...... 225C1, 272A, 287C2 Winterset ...... 258A Dyersville ...... 257A Eagle Grove ...... 264C3 Eddyville ...... 268C2 KANSAS Eldon ...... 282C3 Eldora ...... 258A Channel No. Emmetsburg ...... 252A, 261A Epworth ...... 247C3 Abilene ...... 253C1 Estherville ...... 240C3 Andover ...... 230C3 Fairfield ...... 240A Arkansas City ...... 273A, 293C Forest City ...... 297C2 Atkins ...... 257A Fort Dodge ...... 221A, 233C1 Augusta ...... 283C2 Fort Madison ...... 269A Baxter Springs ...... 296A Garnavillo ...... 261A Belle Plaine ...... 224C3 Glenwood ...... 279C Belleville ...... 221C3 Grinnell ...... 294C2 Beloit ...... 288C2 Grundy Center ...... 249C3 Burlington ...... 237A Hampton ...... 285A Caney ...... 266A Harlan ...... 287C3 Cawker City ...... 242C3 Hudson ...... 241A Chanute ...... 228A Humboldt ...... 249A Clay Center ...... 265A Ida Grove ...... 225C3 Clearwater ...... 254C2 Independence ...... 237A Coffeyville ...... 225A Iowa City ...... 231C1, 264C1 Colby ...... 250C1, 262C1 Iowa Falls ...... 237A Columbus ...... 287C3 Jefferson ...... 255C3 Concordia ...... 237A Keokuk ...... 237C1 Copeland ...... 251C1, 256C1, *280C1 Knoxville ...... 221C3 Dearing ...... 251A Lake City ...... 294C3 Derby ...... 242C2 Lamoni ...... 250C3 Dodge City ...... 230C1, 238C1 Le Mars ...... 258C1 Downs ...... 231C2 Madrid ...... 241A El Dorado ...... 256C1 Manchester ...... 234C3 Emporia ...... 258A, 269A, 285A Maquoketa ...... 236A Eureka ...... 228A Marshalltown ...... 266C1 Fort Scott ...... 280A, 284C3 Mason City ...... 230C1, 250A, 291C1 Fredonia ...... 281A Milford ...... 271C2 Galena ...... 282A Mount Pleasant ...... 288C3 Garden City ...... 247C1 Muscatine ...... 226A, 259C1 Girard ...... 256A New Hampton ...... 236A Goodland ...... 273C1, 299C1 New Sharon ...... 260C3 Great Bend ...... 282C1, 300C1 Newton ...... 240A Hays ...... 258C1, 277C1 Northwood ...... 274A Haysville ...... 287C Oelwein ...... 222C Herington ...... 289C3 Onawa ...... 272C1 Hiawatha ...... 280C2 Osage ...... 279A Hill City ...... 270C Osceola ...... 295C2 Hoisington ...... 264C1 Oskaloosa ...... 285C2 Horton ...... 229C3 Ottumwa ...... 224C3, 249C3 Hugoton ...... 294C2 Parkersburg ...... 255A Humboldt ...... 232C3 Pella ...... 277C1 Hutchinson ...... 246C3, 271C, 275C Perry ...... 288A Independence ...... 275A Red Oak ...... 237C3 Ingalls ...... 242C1, 290A Rock Valley ...... 295C3 Iola ...... 257A Sac City ...... 284A Junction City ...... 233C1 Sageville ...... 291A Kansas City ...... 231C, 251C St. Ansgar ...... 238A Kingman ...... 232C2, 262C2 Sheldon ...... 287C2 Kiowa ...... 252C1 Sibley ...... 262A Larned ...... 244A, 295C1 Sioux Center ...... 230C2 Lawrence ...... 290C1 Sioux City ...... 238C1, 250C1, 277C1 Leavenworth ...... 255C Sioux Rapids ...... 275C2 Leoti ...... 260C1 Spencer ...... 285C3, 299C1 Liberal ...... 268C1, 274C1, 286C1, 298C1 Spirit Lake ...... 280C2 Lindsborg ...... 238C3 Storm Lake ...... 269C1 Lyons ...... 291C1

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KANSASÐContinued KENTUCKYÐContinued

Channel No. Channel No.

Manhattan ...... 268C2, 284C2 Flemingsburg ...... 236A Marysville ...... 276C3 Fort Campbell ...... 300C1 McPherson ...... 244A Fort Knox ...... 288A Medicine Lodge ...... 269C2 Frankfort ...... 279A, 285A Minneapolis ...... 224C2 Fulton ...... 257A Ness City ...... 285A Garrison ...... 252A Newton ...... 222C1 Georgetown ...... 277A North Fort Riley ...... 273C1 ...... 231A, 236C, 287C3 Norton ...... 294A Grayson ...... 272A Oberlin ...... 266C1 Greensburg ...... 276A Ogden ...... 278C2 Greenup ...... 289C3 Olathe ...... 222C3 Greenville ...... 228C3 Osage City ...... 225C2 Hardinsburg ...... 232C2, 282A Ottawa ...... 239C1 Harlan ...... 286A Parsons ...... 228A Harold ...... 285A Phillipsburg ...... 223C1, 237A Harrodsburg ...... 257A Pittsburg ...... 245C1 Hartford ...... 292A Plainville ...... 244A Hawesville ...... 246A Pratt ...... 226C Hazard ...... 266C, 284A Riley ...... 242C3 Henderson ...... 258C, 276A Russell ...... 240A Hindman ...... 296A Salina ...... 229C1, 260C1, 285A Hodgenville ...... 292A Scott City ...... 223C1 Hopkinsville ...... 248A, 254C1, 262C Seneca ...... 221A Horse Cave ...... 294A Silver Lake ...... 223A Hyden ...... 250C3 Sterling ...... 234C3 Irvine ...... 264C3, 291A St. Marys ...... 275C2 Jackson ...... 293A Topeka ...... 247C, 257A, 262C, 295C, 299C Jamestown ...... 285A Wamego ...... 237A Jeffersontown ...... 267A Wellington ...... 228A Jenkins ...... 232C2 Wichita ...... 236C1, 250C, 267C, 279C1, 297C1 Lancaster ...... 286A Winfield ...... 240C3, 300C2 Lawrenceburg ...... 271A Lebanon ...... 265C3 Leitchfield ...... 285A KENTUCKY Lexington ...... 225C1, 233C1, 251C1 Lexington-Fayette ...... 283C2 Channel No. Liberty ...... 254C3 London ...... 222C2, 280A Albany ...... 292A Louisa ...... 222A Allen ...... 261A Louisville ...... 248C1, 259B, 263C2, 272A, 280A, Ashland ...... 229C1 295B Barbourville ...... 241C3 Madisonville ...... 230C2 Bardstown ...... 244A Manchester ...... 276A, 289A Beattyville ...... 271A Mannsville ...... 260C3 Beaver Dam ...... 264A Marion ...... 274A Benton ...... 256A Mayfield ...... 234C2 Berea ...... 294A Maysville ...... 240A Bowling Green ...... 244C3, 227C3 McKee ...... 300A Brandenburg ...... 228A Middlesboro ...... 224A Burkesville ...... 300A Midway ...... 300A Burnside ...... 230C2 Monticello ...... 226A, 269A Calvert City ...... 239A Morehead ...... 221A, 242A, 291C3 Campbellsville ...... 281C3 Morganfield ...... 237A Campton ...... 279A Mount Sterling ...... 288A, 294B1 Carlisle ...... 221C3, 264A Mount Vernon ...... 275A Carrollton ...... 237A Munfordville ...... 272A Catlettsburg ...... 224A Murray ...... 279C1 Cave City ...... 279C3 Nicholasville ...... 273A Central City ...... 270C1 Oak Grove ...... 293C3 Clinton ...... 271C3 Owensboro ...... 223C, 241C Columbia ...... 228A Owingsville ...... 299A Corbin ...... 258C2, 297C2 Paducah ...... 227C1, 245C1 Cumberland ...... 274A Paintsville ...... 255C1 Cynthiana ...... 272A Paris ...... 245C2 Danville ...... 296A Philpot ...... 234A Drakesboro ...... 280A Pikeville ...... 226C2 Edmonton ...... 256A Pineville ...... 292A Elizabethtown ...... 252C3, 261A Prestonsburg ...... 238C, 288A Elkhorn City ...... 276A Princeton ...... 285A Eminence ...... 289A Providence ...... 249A Erlanger ...... 265A Radcliff ...... 278C3 Falmouth ...... 298A Reidland ...... 294A

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KENTUCKYÐContinued LOUISIANAÐContinued

Channel No. Channel No.

Richmond ...... 268C3 Dubach ...... 249C3 Russellville ...... 266C1 Erath ...... 300C1 Russell Springs ...... 224A Eunice ...... 288A St. Matthews ...... 276A Farmerville ...... 224A Salyersville ...... 247A Ferriday ...... 296C3 Scottsville ...... 257A Folsom ...... 285A Shelbyville ...... 269A Franklin ...... 288A Shepherdsville ...... 286A Franklinton ...... 255A Smiths Grove ...... 296C2 Galliano ...... 232C1 Somerset ...... 246C2, 272A Gibsland ...... 283A Springfield ...... 274A Grand Isle ...... 283A Stamping Ground ...... 241A Hammond ...... 277C, 296A Stanford ...... 242C3 Haughton ...... 279A Stanton ...... 285A Haynesville ...... 288A Tompkinsville ...... 221A, 274A Homer ...... 272A, 294C2 Valley Station ...... 290A Houma ...... 281C, 298C1 Vanceburg ...... 285A Jackson ...... 283A Vancleve ...... 260A Jena ...... 274A Versailles ...... 292A Jennings ...... 225C2 Vine Grove ...... 268A Jonesboro ...... 285C3 Virgie ...... 298A Jonesville ...... 286A Whitesburg ...... 280A Kaplan ...... 247C2 Whitley City ...... 252A Kenner ...... 287C1 Wickliffe ...... 240A Kentwood ...... 231C1 Williamsburg ...... 282A Lacombe ...... 234A Williamstown ...... 293A Lafayette ...... 233C, 238C2, 260C Wilmore ...... 290A Lake Arthur ...... 298C2 Winchester ...... 261C2 Lake Charles ...... 241C, 258C1, 279C1, 287C2 West Liberty ...... 275A Lake Providence ...... 224A Westwood ...... 259A LaPlace ...... 222C Larose ...... 262C2 Leesville ...... 224A, 289C3 EFFECTIVE DATE NOTE: At 62 FR 45764, Aug. Mamou ...... 266C3 29, 1997, Kentucky was amended by removing Mansfield ...... 224A, 284C3 channel 264A and adding channel 221C3 at Mansura ...... 240A Carlisle; by removing channel 291A and add- Many ...... 296C3 ing channel 264C3 at Irvine; and by removing Marksville ...... 249A Maurice ...... 292A channel 221A and adding channel 291C3 at Minden ...... 239C2 Morehead, effective Oct. 9, 1997. Monroe ...... 270C, 281C, 287C2, 291C Moreauville ...... 221A LOUISIANA Morgan City ...... 244A Natchitoches ...... 247C3, 264A Channel No. New Iberia ...... 229C1, 256C New Orleans ...... 227C, 239C, 246C, 253C1, 258C, Abbeville ...... 286C3 266C, 270C Alexandria ...... 226C, 230A, 245C, 262C, 295A New Roads ...... 293C2 Amite ...... 243A North Fort Polk ...... 294A Arcadia ...... 223A Oak Grove ...... 244C3 Atlanta ...... 293A Oakdale ...... 254C1 Baker ...... 297A Opelousas ...... 290A, 296A Ball ...... 288A Port Sulphur ...... 294C1 Basile ...... 271C1 Rayne ...... 294A Bastrop ...... 230C3, 232A, 261C2, 247A Rayville ...... 222C2 Baton Rouge ...... 251C, 264C1, 268C, 273C Reserve ...... 235C3 Bayou Vista ...... 237C3 Richwood ...... 265A Belle Chasse ...... 275C3 Ruston ...... 258A, 298C Benton ...... 221A Shreveport ...... 229C, 233C, 243C1, 259C2, 266C, Berwick ...... 290A 275C2 Blanchard ...... 271C3 Slidell ...... 287C1 Boyce ...... 272C3 South Fort Polk ...... 239A Breaux Bridge ...... 243C3 Springhill ...... 225C3 Brusly ...... 241C2 Sulphur ...... 267C3 Bunkie ...... 282C3 Tallulah ...... 283C3 Clayton ...... 257A Thibodaux ...... 292C3 Clinton ...... 224C2 Tioga ...... 278C2 Columbia ...... 276C3 Varnado ...... 225A Coushatta ...... 235C3 Vidalia ...... 284A Crowley ...... 275C Ville Platte ...... 223A Delhi ...... 228A Vivian ...... 287A Deridder ...... 221C3, 269A Washington ...... 284C3 Donaldsonville ...... 285A West Monroe ...... 252C2

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LOUISIANAÐContinued MAINEÐContinued

Channel No. Channel No.

Winnfield ...... 221A Winter Harbor ...... 249B Winnsboro ...... 240A York Center ...... 237A

EFFECTIVE DATE NOTES: 1. At 62 FR 45763, MARYLAND Aug. 29, 1997, Louisiana was amended by add- ing Grand Isle, channel 283A, effective Oct. 6, Channel No. 1997. Annapolis ...... 256B, 300B 2. At 62 FR 50875, Sept. 29, 1997, Louisiana Baltimore ...... 222B, 226B, 236B, 250B, 270B, was amended by removing Slidell, channel 274B, 282B, 293B 287C1, and adding Kenner, channel 287C1, ef- Berlin ...... 280A fective Nov. 3, 1997. Bethesda ...... 234B, 272A Braddock Heights ...... 280A MAINE California ...... 275A Cambridge ...... 292A Channel No. Catonsville ...... 289B Crisfield ...... 245A Auburn ...... 260B Cumberland ...... 275B, 291B Augusta ...... 222B, 267B Easton ...... 244B1 Bangor ...... 225B, 246B Federalsburg ...... 296A Bar Harbor ...... 256B, 299B1 Frederick ...... 260B Bath ...... 290B Frostburg ...... *246A, 287B ...... 284B Glen Burnie ...... 240A Biddeford ...... 232B1 Grasonville ...... 276A Boothbay Harbor ...... 244B1 Hagerstown ...... 284B, 295B Brewer ...... 262B, 293C Halfway ...... 244A Brunswick ...... 255B Havre De Grace ...... 279B Calais ...... 224A Hurlock ...... 263A Camden ...... 273B Lexington Park ...... 249A Caribou ...... 249C3 Mechanicsville ...... 252A Dennysville ...... 275C1 Middletown ...... 276A Dexter ...... 271C2 Morningside ...... 238B Dover-Foxcroft ...... 276A Mountain Lake Park .. 283A Ellsworth ...... 233B, 239B Oakland ...... 222A Fairfield ...... 228C3 Ocean City ...... 260B, 295A Farmington ...... 257A Ocean City-Salisbury 284B Fort Kent ...... *293C3 Ocean Pines ...... 246A Gardiner ...... 282B Pocomoke City ...... 223A, 293A Houlton ...... 261C3 Prince Frederick ...... 224A Howland ...... 280C Princess Anne ...... 273B Islesboro ...... 288B1 Salisbury ...... 248A, 255A, 288A Kennebunk ...... 257A Snow Hill ...... 266A Kennebunkport ...... 284A St. Michaels ...... 232A Kittery ...... 287A Waldorf ...... 281, 281B Lewiston ...... 230B, 298B Westernport ...... 266A Lincoln ...... 289C2 Westminster ...... 264B Machias ...... 237A, 266B Williamsport ...... 240A Madawaska ...... 272A Madison ...... 248A Mexico ...... 264A MASSACHUSETTS Milbridge ...... 229B Millinocket ...... 235C2 Channel No. North Windham ...... 294A Norway ...... 224A Amherst ...... 265A Old Town ...... 297C2 Athol ...... 260A Pittsfield ...... 258A Barnstable ...... 260B Portland ...... 226B, 250B, 270B, 275C Boston ...... 233B, 245B, 253B, 264B, 277B, Presque Isle ...... 241C, 245C, 270C2, 291C 281B, 294B Rockland ...... 277B Brockton ...... 249A Rumford ...... 242C Brookline ...... 225B Saco ...... 240A Cambridge ...... 237A Sanford ...... 221A Chatham ...... 298B Scarborough ...... 292A Fairhaven ...... 296A Searsport ...... 269A Falmouth ...... 270B Skowhegan ...... 286C, 300C3 Fitchburg ...... 283B Thomaston ...... 295, 295B Framingham ...... 289B Topsham ...... 238A Gloucester ...... 285A Van Buren ...... 251A Great Barrington ...... 286A Waterville ...... 253C2 Greenfield ...... 237A, 252A Westbrook ...... 265B1 Harwichport ...... 228A Winslow ...... 237A Haverhill ...... 223B

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MASSACHUSETTSÐContinued MICHIGANÐContinued

Channel No. Channel No.

Hyannis ...... 275A, 291B Dewitt ...... 243A Lawrence ...... 229B Dowagiac ...... 221A Lowell ...... 258B East Jordan ...... 265A Lynn ...... 269A East Lansing ...... 235B, 256B Marshfield ...... 240A Escanaba ...... 284C, 246C Mashpee ...... 266A Essexville ...... 247A Medford ...... 300B Fife Lake ...... 240A Nantucket ...... 242B Flint ...... 224A, 236B, 288B1, 300B New Bedford ...... 247B, 251B Frankenmuth ...... 229A North Adams ...... 261A Frankfort ...... 257C2 Northampton ...... 257A, 292A Fremont ...... 261A Orange ...... 247A Gaylord ...... 237A, 294C1 Orleans ...... 284B Gladstone ...... 288C1 Pittsfield ...... 240A, 269A, 288A Gladwin ...... 276C3, Plymouth ...... 256B Glen Arbor ...... 227A, 238C2, 251C2 Provincetown ...... *221A Grand Haven ...... 221A Southbridge ...... 261A Grand Rapids ...... 229B, 239B, 245B, 250B, 254A, South Yarmouth ...... 280A 267B, 275B, 281B, 289B Springfield ...... 226B, 234B, 271B Grayling ...... 262C1 Taunton ...... 227B Greenville ...... 297B Tisbury ...... 224A Gulliver ...... 234C1 Truro ...... 272A Hancock ...... 228C3, 254C2 Turners Falls ...... 230A Harbor Beach ...... 279C2 Waltham ...... 273B Harbor Springs ...... 280C2 Webster ...... 255A Harrietta ...... 229A West Yarmouth ...... 235B Harrison ...... 221A Winchendon ...... 249A Hart ...... 287C1 Worcester ...... 241B, 297B Hartford ...... 279A Hastings ...... 261A Hillman ...... 235C2 MICHIGAN Hillsdale ...... 221A Holland ...... 233B, 241B Channel No. Honor ...... 264A Houghton ...... 242C1, 249A, 272C2 Adrian ...... 237A, 280A Houghton Lake ...... 253C1 Albion ...... 244A Howell ...... 228A Allegan ...... 222A Hudson ...... 273A Alma ...... 285A Iron Mountain ...... 226C1, 268C1, 294A Alpena ...... 257C2, 299C1 Iron River ...... 256C2 Ann Arbor ...... 275B, 296A Ironwood ...... 259C1, 295C1 Ashley ...... 223A Ishpeming ...... 222C, 298C1 Atlanta ...... 223C Jackson ...... 231B, 283A, 291B Bad Axe ...... 271C2 Kalamazoo ...... 271B, 293B, 299B Baraga ...... 282C1 Kalkaska ...... 248C2 Battle Creek ...... 237A, 277B Kingsford ...... 251A Bay City ...... 241C, 273B L'Anse ...... 291C2 Bear Lake ...... 261A Lake City ...... *285A Beaverton ...... 249A Lakeview ...... 292A Benton Harbor ...... 235A, 260B Lansing ...... 248B, 264B, 269A Beulah ...... 221A Lapeer ...... 276A Big Rapids ...... 265A, 272C3 Leland ...... 232C2 Birmingham ...... 234B Lexington ...... 245A Boyne City ...... 228C2 Ludington ...... 292A Bridgman ...... 248A Mackinaw City ...... 233C3 Bronson ...... *234A Manistee ...... 249A, 268A Brooklyn ...... 287A Manistique ...... 260A Buchanan ...... 256A Marlette ...... 223A Cadillac ...... 225C, 244C3, 296A Marquette ...... 239C1, 277C1, 231A Caro ...... 221A Marshall ...... 285A Carrollton ...... 263A Menominee ...... 279C3 Charlevoix ...... 290C1, 300A Midland ...... 227C2, 259C Charlotte ...... 224A Mio ...... 280C2 Cheboygan ...... 286C1 Monroe ...... 252A Clare ...... 237A Mount Clemens ...... 274B Coldwater ...... 253B Mount Pleasant ...... 233C1, 282A Coleman ...... 269A Munising ...... 252 C2 Crystal Falls ...... 264C1 Muskegon ...... 283B, 295B, 300B1 Dearborn ...... 262B Muskegon Heights ..... 269B1 Detroit ...... 222B, 226B, 238B, 242B, 246B, Negaunee ...... 258A, 270A 250B, 254B, 258B, 266B, 270B, Newberry ...... 229A, 250C2 278B, 282B, 286B, 290B, 294B, Niles ...... 237A 298B North Muskegon ...... 252A

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MICHIGANÐContinued MINNESOTAÐContinued

Channel No. Channel No.

Norway ...... 232C3 Duluth ...... 225C1, 235C1, 239C1, *240C2, Ontonagon ...... 266C2 255C2, 269C2, 277C1, 286C1 Oscoda ...... 239 C2, 264C3 East Grand Forks ...... 282C1 Otsego ...... 265A Eden Prairie ...... 289A Owosso ...... 280A Ely ...... 233A Pentwater ...... 231C3, 276A Eveleth ...... 250C1 Petoskey ...... 242C1, 255C1 Farimont ...... 293C1 Pickford ...... 288A Fairbault ...... 298C2 Pinconning ...... 265A, 281A Fergus Falls ...... 243C1, 277C1 Port Huron ...... 272A, 296A Forest Lake ...... 240A Portage ...... 243A Fosston ...... 296C2 Reed City ...... 247A Glencoe ...... 242C2 Rogers City ...... 244C2, 260C2 Glenwood ...... 296A Roscommon ...... 266A Golden Valley ...... 223C Saginaw ...... 251B, 283A, 292A, 296A Grand Marais ...... 237C1 Sandusky ...... 249A Grand Rapids ...... 245C1 Saugatuck ...... 224A Granite Falls ...... 230A Sault Ste. Marie ...... 252C3, 258C2, 267C1 Hermantown ...... 221C3 Scottville ...... 235C3 Hibbing ...... 230C1, 292C3 South Haven ...... 252A Hutchinson ...... 296A Spring Arbor ...... 295A International Falls ...... 258C1, 281C3 St. Ignace ...... 275C Jackson ...... 289C3 St. Johns ...... 221A La Crescent ...... 274C3 St. Joseph ...... 296A Lake City ...... 235A, 273C3 Standish ...... 245A Lakeville ...... 286A Stephenson ...... 257A, 292C2 Little Falls ...... 221A, 231A Sturgis ...... 257A Luverne ...... 266C Tawas City ...... 277A, 284C2, 291C3 Madison ...... 221A Three Rivers ...... 240A Mahnomen ...... 268C3 Traverse City ...... 270C1, 278C, 283A, 29C2 Mankato ...... 256C1, 278C1 Tuscola ...... 268A Marshall ...... 259C1, 298C3 Vassar ...... 255A Minneapolis ...... 229C, 246C, 253C, 258C, 262C1, Walker ...... 263A 275C West Branch ...... 288A Mantevideo ...... 288A Whitehall ...... 237A, 248A Moose Lake ...... 296C3 Zeeland ...... 257A Moorhead ...... 254C1, 260C1 Mora ...... 238C3 Morris ...... 239C1 MINNESOTA Nashwauk ...... 275C3 New Prague ...... 238A Channel No. New Ulm ...... 226C1 Nisswa ...... 227C Ada ...... 292A North Mankato ...... 244C3 Aitkin ...... 232C3 Olivia ...... 261C3 Albany ...... 288A Ortonville ...... 268C, 292A Albert Lea ...... 235A, 241A Osakis ...... 280A Alexandria ...... 222C3, 257A, 264C1 Owatonna ...... 285A Anoka ...... 300C Park Rapids ...... 223A, 248C1 Atwater ...... 231A Paynesville ...... 255C2 Austin ...... 260C1 Pelican Rapids ...... 281C2 Babbitt ...... 294C2 Perham ...... 258A Bagley ...... 244C3 Pequot Lakes ...... 261A, 274C2 Bemidji ...... 238C1, 266C1, 279C1 Pillager ...... 240A Benson ...... 228A Pine City ...... 265A Belview ...... 290A Pipestone ...... 254C Blackduck ...... 252C2 Preston ...... 276C3 Blooming Prarie ...... 265C1 Princeton ...... 291C2 Blue Earth ...... 251C3, 283C2 Proctor ...... 299C2 Brainerd ...... 278C3, 294C1, 298C1 Red Lake ...... 231C1 Breckenridge ...... 286C1 Red Wing ...... 290A, 290C3 Breezy Point ...... 282 C2 Redwood Falls ...... 249C1 Browerville ...... 259A Richfield ...... 267C Buhl ...... *223C2 Rochester ...... *225A, 243C2, 248C, 269C2, 295C Caledonia ...... 234A Roseau ...... 271C2, 278C2 Cambridge ...... 287C3 Rushford ...... 257C3 Cloquet ...... 243C3, 263C1 Saint Joseph ...... 260A Cold Spring ...... 235C2 Sartell ...... 244C2 Coleraine ...... 241C1 Sauk Centre ...... 232A Crookston ...... 241C1, 246C1 Sauk Rapids ...... 269C2 Crosby ...... 268C3 Slayton ...... 291C2 Deer River ...... 288C1 Sleepy Eye ...... 297A Detroit Lakes ...... 236C1, 272C2 Spring Grove ...... 252C2

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MINNESOTAÐContinued MISSISSIPPIÐContinued

Channel No. Channel No.

Spring Valley ...... 282A Ellisville ...... 273C2 Springfield ...... 234C2 Eupora ...... 241C2 St. Charles ...... 299A Fayette ...... 249A St. Cloud ...... 251C, 284C Flora ...... 247C3 St. James ...... 263C2, 268C3 Forest ...... 223C St. Joseph ...... 225C3 Fulton ...... 270C2 St. Louis Park ...... 281C Gluckstadt ...... 269C2 St. Paul ...... 233C, 237A, 271C Greenville ...... 250C2, 264C1, 284C2 St. Peter ...... 288A Greenwood ...... 230C3, 256C, 282C2 Staples ...... 234C2 Grenada ...... 222A, 261C2, 267A Starbuck ...... 247C2 Gulfport ...... 244A, 272C3, 296A Stewartville ...... 287C2 Hattiesburg ...... 221A, 226A, 279C, 283C1 Thief River Falls ...... 257C3, 262C1, 274C1 Hazlehurst ...... 225A Tracy ...... 286C2 Heidelberg ...... 257C2 Two Harbors ...... 282C2 Holly Springs ...... 224A Virginia ...... 260C1 Houston ...... 227C Wadena ...... 290C1 Indianola ...... 245C2, 288A Waite Park ...... 279C3 Iuka ...... 285C2 Walker ...... 256C1, 270A, 275C3 Jackson ...... 234C, 238C, 242C, 259C, 275C Warroad ...... 223C1 Kosciusko ...... 277C3, 286C1 Waseca ...... 221C3 Laurel ...... 251A, 262C Willmar ...... 237C2, 273C1 Leland ...... 232C2, 272A Windom ...... 232A Lexington ...... 273C3 Winona ...... 237C3, 266C3 Liberty ...... 299C3 Worthington ...... 228A, 236C1 Long Beach ...... 233A Louisville ...... 296C3 Lucedale ...... 295A EFFECTIVE DATE NOTE: At 62 FR 50876, Lumberton ...... 237C1 Sept. 29, 1997, Minnesota was amended by Magee ...... 298C adding channel 235A at Lake City, effective Marion ...... 236C2 Nov. 3, 1997. McComb ...... 289C1 McLain ...... 245A Meridian ...... 246C, 267C1, 271A MISSISSIPPI Monticello ...... 271C2 Moss Point ...... 285C2 Channel No. Mound Bayou ...... 271A Natchez ...... 236C, 247A Aberdeen ...... 287C2 New Albany ...... 294C2 Ackerman ...... 300C Amory ...... 237A Newton ...... 250A Artesia ...... 261A, 260C2 Ocean Springs ...... 223A, 276C2 Baldwyn ...... 223A Olive Brance ...... 239A Batesville ...... 263C2 Oxford ...... 229C3, 238A, 248C1, 286A Bay Springs ...... 232C2 Pascagoula ...... 256C1, 290C3 Bay St. Louis ...... 300C Pearl ...... 230C3 Belzoni ...... 292A, 296C3 Petal ...... 292C3 Biloxi ...... 229C Philadelphia ...... 272A Booneville ...... 257A Picayune ...... 291C2 Brandon ...... 249A Pickens ...... 290C2 Brookhaven ...... 221A Pontotoc ...... 244A Brooksville ...... 255C3 Port Gibson ...... 263A Bruce ...... 233A Potts Camp ...... 240A Bude ...... 282C3 Prentiss ...... 252A Byhalia ...... 235A Quitman ...... 255C3 Calhoun City ...... 272A Richtown ...... 243A Canton ...... 269A Ripley ...... 272A Carthage ...... 252C3 Rosedale ...... 298C3 Centreville ...... 285A Starkville ...... 221A, 291C2 Charleston ...... 239A State College ...... 283C3 Clarksdale ...... 221A, 243A, 268C3, 293C2 Stonewall ...... 295A Cleveland ...... 225C2, 252C3, 280C3 Sumrall ...... 247A Clinton ...... 228A Taylorsville ...... 240C2 Coldwater ...... 237A Tunica ...... 241C3 Collins ...... 296A Tupelo ...... 253C1 Columbia ...... 244A Tylertown ...... 249A Columbus ...... 235C2, 276C2, 280C2 Union ...... 281C2 Como ...... 278C University ...... 221A Corinth ...... 232A, 237A Utica ...... 265C2 Crenshaw ...... 295A Vicksburg ...... 254C1, 267A, 294C D'Iberville ...... 250C2 Water Valley ...... 288A De Kalb ...... 289C2 Waynesboro ...... 288A Drew ...... 237A West Point ...... 265A Durant ...... 266A Winona ...... 236A

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MISSISSIPPIÐContinued MISSOURIÐContinued

Channel No. Channel No.

Yazoo City ...... 221C3, 226A Kimberling City ...... 261C2 Kirksville ...... 229C2, 233C1, 299C2, 300C1 Knob Noster ...... 289C2 MISSOURI Lake Ozark ...... 274A Lamar ...... 260A Channel No. La Monte ...... 246C3 Lebanon ...... 279C, 300C2 Ash Grove ...... 281C3 Lexington ...... 297C Asbury ...... 278C3 Liberty ...... 293C1 Ashland ...... 791C1 Louisiana ...... 269A, 271C3 Aurora ...... 263C2 Lutesville ...... 281A Ava ...... 221A Macon ...... 260A Bethany ...... 238C2 Malden ...... 225C3 Birch Tree ...... 296C3 Malta Bend ...... 248C3 Bismarck ...... 258C3 Mansfield ...... 240A Bonne Terre ...... 282A Marble Hill ...... 247A Boonville ...... 226A, 257C2 Marshall ...... 275C1 Bowling Green ...... 231C3 Marshfield ...... 284C2 Bourbon ...... 231A Maryville ...... 246C3 Branson ...... 292C2 Memphis ...... 263C3 Brookfield ...... 245C2 Mexico ...... 239C Brookline ...... 271A Miner ...... 296A Buffalo ...... 260C3 Moberly ...... 247C3, 284C, 288C2 Butler ...... 221A Monett ...... 240A Cabool ...... 251A Monroe City ...... 298A California ...... 232C2 Montgomery City ...... 280A Cameron ...... 261C2 Mount Vernon ...... 294C3 Campbell ...... 298C3 Mountain Grove ...... 223A Canton ...... 265C2 Mountain View ...... 245C2 Cape Girardeau ...... 264C, 275B Neosho ...... 259A Carrollton ...... 264C1 Nevada ...... 249A Carthage ...... 236C2 New London ...... 290C3 Caruthersville ...... 286A New Madrid ...... 293C2 Centralia ...... 221A Nixa ...... 290C2 Chaffee ...... 284A Osage Beach ...... 228C3 Channel ...... 223A Osceola ...... 222A Charleston ...... 291C2 Otterville ...... 299A Chillicothe ...... 280C3 Owensville ...... 237A Clayton ...... 256C Ozark ...... 225C2 Clinton ...... 237C3, 241C Palmyra ...... 250C2 Columbia ...... 244C1, 252C2, 268C1, 272A Perryville ...... 266A Crestwood ...... 234C Piedmont ...... 285C3 Cuba ...... 271A, 297C3 Pleasant Hope ...... 238C2 De Soto ...... 261A Poplar Bluff ...... 223A, 233C, 238C1, 244A, 278C2 Deerfield ...... 264C3 Potosi ...... 249C3 Dexter ...... 272A Republic ...... 258A Dixon ...... 221A Richmond ...... 223A Doniphan ...... 248C2 Rolla ...... 248A, 287C1 Doolittle ...... 283A Saint Robert ...... 255A East Prairie ...... 287A Salem ...... 240A Eldon ...... 224C2, 270A Savannah ...... 224C2 Eldorado Springs ...... 288A Scott City ...... 230A Ellington ...... 280A Sedalia ...... 221A Farmington ...... 253C Seligman ...... 227C1 Fayette ...... 230C3 Shell Knob ...... 249A Florissant ...... 246C1 Sikeston ...... 250C2 Fulton ...... 263A Southwest City ...... 262A Gainesville ...... 259C2 Sparta ...... 243C2 Gallatin ...... 269C3 Springfield ...... 234C, 247C1, 254C1, 267C Garden City ...... 287A St. Genevieve ...... 289C Gordonville ...... 257A St. James ...... 259C3 Halfway ...... 256C3 St. Joseph ...... 286C1 Hannibal ...... 225C1 St. Louis ...... 222C, 229C1, 242C1, 251C1, 273C, Harrisonville ...... 264C1 277C1, 299C Houston ...... 257C2 Steelville ...... 227C2 Huntsville ...... 278C2 Stockton ...... 299A Ironton ...... 225A Sullivan ...... 265A Jefferson City ...... 261C2, 281A, 295C Tarkio ...... 228C3 Joplin ...... 223C1, 273C1 Thayer ...... 222A Kansas City ...... 227C, 235C, 243C, 259C, 271C, Trenton ...... 222C3 277C, 282C Troy ...... 264A Kennett ...... 255C, 282A Union ...... 269A

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MISSOURIÐContinued NEBRASKA

Channel No. Channel No.

Vandalia ...... 282A Ainsworth ...... 224A Versailles ...... 236C3 Albion ...... 224C2 Warrenton ...... 260C3 Alliance ...... 271C1, 290C1 Warsaw ...... 249A, 253A Auburn ...... 288A Washington ...... 283A Aurora ...... 247C1 Waynesville ...... 249A, 250A, 272A Beatrice ...... 225C1 Webb City ...... 250A Bennington ...... 227A West Plains ...... 230C1, 273C2 Blair ...... 247C3, 268C3 Wheeling ...... 290A Bridgeport ...... 267C Broken Bow ...... 252A Willard ...... 286C2 Central City ...... 262C Willow Springs ...... 262C2 Chadron ...... 234C1, 248C1 Columbus ...... 228C1, 266C1 Cozad ...... 283C1 EFFECTIVE DATE NOTE: At 62 FR 45763, Aug. Crete ...... 280A 29, 1997, Missouri was amended by adding Crookston ...... 241C1 Deerfield, channel 264C3, effective Oct. 6, Fairbury ...... 258C1 1997. Falls City ...... 267A Fremont ...... 288A MONTANA Gering ...... 280C1 Gordon ...... 238C2 Channel No. Grand Island ...... 239C1, 243C1, 299C1 Hastings ...... 233C2, 268C Anaconda ...... 249C3 Holdrege ...... 249C1 Baker ...... 263C1 Imperial ...... 276A Belgrade ...... 244C2, 256A Kearney ...... 255C1, 272C3, 290C Big Sky ...... 283A Kimball ...... 261A Billings ...... 227C1, 231C1, 242C1, 246C2, Lexington ...... 226C1 253C1, 275C1, 279C1, 286A, Lincoln ...... 236C2, 270C, 274C1, 287A, 292C2, 298C 297C1 Bozeman ...... 229C1, 236C1, 260C1, *271C2, McCook ...... 230C2, 241A, 253C2, 287C1 278C1 Milford ...... 251C Butte ...... 223C1, 231C, 238C, *295A Nebraska City ...... 249C1 Cascade ...... 285C Norfolk ...... 234C1, 294C Chinook ...... 267C1 North Platte ...... 235C, 246C1, 278C1 O'Neil ...... 275C1 Colstrip ...... 229A Ogallala ...... 259C1, 293C1 Columbia Falls ...... 240C2 Omaha ...... 222C, 231C, 241C, 260C, 264C, Conrad ...... 229C1 283C, 290C2 Cut Bank ...... 274C1 Orchard ...... 287C1 Deer Lodge ...... 243C2 Ord ...... 280C3 Dillon ...... 252C3 Plattsmouth ...... 295A East Helena ...... 281C3 Sargent ...... 221C1 Ennis ...... 254C2 Scottsbluff ...... 225C, 231C1 Forsyth ...... 267C Seward ...... 245C1 Glasgow ...... 228A Sidney ...... 254C1 Glendive ...... 243C1 South Sioux City ...... 296A Great Falls ...... 225C1, 233C1, 255C1, 262C, Superior ...... 280A 291C1, 297C Terrytown ...... 245C1 Hamilton ...... 240C3, 251C3 Wayne ...... 285A Hardin ...... 238C West Point ...... 300C2 Havre ...... 223C, 236C Winnebago ...... 289C2 Helena ...... 258C1, 266C, *276C, 287C York ...... 285C3 Kalispell ...... 246C, 253C, 280C1, 292C Lewistown ...... 240A Laurel ...... 269C1 NEVADA Libby ...... 269A Livingston ...... 248C1, 264C Channel No. Malta ...... 261A Miles City ...... 223C Amargosa Valley ...... 266A Missoula ...... 227C, 235C, 261C1, 273C1 Battle Mountain ...... 253A Outlook ...... 289C Beatty ...... 262A Plentywood ...... 261A Boulder City ...... 288C2 Red Lodge ...... 257A Carson City ...... 247C, 251C Ronan ...... 222C Elko ...... 229C2, 237C1 Scobey ...... 239C1 Ely ...... 224C3, 243A, 269C3 Shelby ...... 242C1, 250C Fallon ...... 257A, 267C2 Sidney ...... 226C1, 236C1 Gardnerville-Minden .. 256C3 Superior ...... 298A Hawthorne ...... 228A West Yellowstone ...... 243A Henderson ...... 231C, 238C, 263C Wolf Point ...... 224A Incline Village ...... 261C2 Indian Springs ...... 257A

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NEVADAÐContinued NEW JERSEYÐContinued

Channel No. Channel No.

Las Vegas ...... 222C, 226C, 242C, 246C, 253C, Blairstown ...... 292A 270C, 278C, 286C2, 293C Bridgeton ...... 299B Laughlin ...... 228C1 Camden ...... 295B Mesquite ...... 248C1 Canton ...... 269A Moapa Valley ...... 284A Cape May ...... 272A North Las Vegas ...... 282C Cape May Court 288A Pahrump ...... 236A, 298C House. Pioche ...... 255A Dover ...... 288A Reno ...... 225C, 238C, 271C3, 283C, 289C, Eatontown ...... 292A 295C Egg Harbor ...... 285B1 Smith ...... 222C3 Franklin ...... 272A Sparks ...... 221A, 265A Long Branch ...... 296A Sun Valley ...... 229A, 233C2 Manahawkin ...... 261A, 289B1 Tonopah ...... 224A Margate City ...... 241A Wendover ...... 272C Millville ...... 247B Winnemucca ...... 224C3 New Brunswick ...... 252A Newark ...... 234B, 262B, 290B1 Newton ...... 279B1 NEW HAMPSHIRE North Cape May ...... 294A Ocean Acres ...... 253A Channel No. Ocean City ...... 252A, 292A Paterson ...... 226B Bedford ...... 243A Peterson ...... 274A Belmont ...... 227A Pleasantville ...... 257A Berlin ...... 279C Point Pleasant ...... 240A Campton ...... 289A Princeton ...... 277B Claremont ...... 291B Toms River ...... 224A Concord ...... 272A, 288A Trenton ...... 233B, 248B, 268B Conway ...... 228A, 283A Tuckerton ...... 259A Dover ...... 248B Villas ...... 254A Exeter ...... 296A Vineland ...... 221A Farmington ...... 293A Wildwood ...... 264B Franklin ...... 231A Wildwood Crest ...... 226A Gorham ...... 296A Zarephath ...... 256B Hampton ...... 271A Hanover ...... 222A, 257A Haverhill ...... 267A NEW MEXICO Henniker ...... 256A Hillsboro ...... 299A Channel No. Hinsdale ...... 285A Jackson ...... 258A Alamogordo ...... 232C3, 279A, 287C2, 300A Keene ...... 279B Albuquerque ...... 222C, 227C, 231C, 242C, 258C, Laconia ...... 252A 262C, 267A, 277C, 300C Lancaster ...... 272A Angel Fire ...... 256C2 Lebanon ...... 263C3 Armijo ...... 296C2 Lisbon ...... 244A Artesia ...... 225C Littleton ...... 292A Aztec ...... 235C1 Manchester ...... 239B, 266B Bayard ...... 275C1 Meredith ...... 268A Belen ...... 249C1 Moultonborough ...... 295A Bloomfield ...... 283C Mount Washington ..... 235C Bosque Farms ...... 284C Nashua ...... 292A Carlsbad ...... 221A, 281C1, 291C2 Newport ...... 269A Chama ...... 255A New London ...... 259A Clayton ...... 228A Peterborough ...... 221A Cloudcroft ...... 244C, 250C1 Plymouth ...... 261A Clovis ...... 256C1, 260C1, 268C1, 272C3, ...... 262B 298C1 Rochester ...... 244A Corrales ...... 236C1 Somersworth ...... 254A Deming ...... 232A Walpole ...... 242A Espanola ...... 225C2 Winchester ...... 254A Eunice ...... 265A Wolfeboro ...... 285A Farmington ...... 225C1, 239C1, 245C, 271C Gallup ...... 229C, 233C, 256C, 268A, 291C2 Grants ...... 224C2, 264C2, 279C, 288C NEW JERSEY Hatch ...... 266C Hobbs ...... 231C1, 239C3, 243A, 275C1 Channel No. Jal ...... 279C1 Kirtland ...... 275C Asbury Park ...... 232A La Luz ...... 224A Atlantic City ...... 236B, 245B, 279B, 297B1 Las Cruces ...... 258C, 276A, 280A Avalon ...... 232A Las Vegas ...... 244A, 251C, 264C3 Belvidere ...... 296A Lordsburg ...... 250C, 279C3, 289C3

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NEW MEXICOÐContinued NEW YORKÐContinued

Channel No. Channel No.

Los Alamos ...... 253C, 294C1, 298C1 Corning ...... 254A, 291B Los Lunas ...... 273C, 292C1 Cortland ...... 260B Lovington ...... 269C3 Dansville ...... 230A Maljamar ...... *254C1, 286C Delhi ...... 262A Mesilla Park ...... 285A Depew ...... 229B Portales ...... 237A Deposit ...... 234A Raton ...... 229C2, 243A, 249A Deruyter ...... 286B Reserve ...... 283C3 Dundee ...... 240A Rio Rancho ...... 269A East Hampton ...... 244A Roswell ...... 235C, 246C1, *258A, 263C1, 284C2, Ellenville ...... 257A 293C1 Elmira ...... 224A, 232A Ruidoso ...... 228C3, 268A Endicott ...... 289B Santa Clara ...... 237C1 Endwell ...... 298A Santa Fe ...... 234C1, 238C1, 247C, 281C, 286C, Essex ...... 267A 290C Port Plain ...... 266A Santa Rosa ...... 240A Frankfort ...... 235B Silver City ...... 225C2 Fredonia ...... 243A Socorro ...... 225A Fulton ...... 284B Taos ...... 260, 268C1 Garden City ...... 224A Tatum ...... 296C Geneva ...... 269A Texico ...... 243A Glens Falls ...... 240A Thoreau ...... 260C Gouverneur ...... 237A Truth or Con- 254C Grand Gorge ...... 287A sequences. Hague ...... 229A Tucumcari ...... 224A Hammondsport ...... 252A White Rock ...... 266A Hampton Bays ...... 296A Hempstead ...... 252A Henderson ...... 264A NEW YORK Herkimer ...... 224A Highland ...... 297A Channel No. Homer ...... 268A Honeoye Falls ...... 297A Albany ...... 238B, 265A, 276A, 293B, 299B Hoosick Falls ...... 248A Albion ...... 238A Hornell ...... 221A, 287B Alfred ...... 270A Horseheads ...... 265A Amsterdam ...... 249A Hudson ...... 228A Arlington ...... 245A Hudson Falls ...... 269A, 296A Attica ...... 269A Hyde Park ...... 249A Auburn ...... 295B Irondequoit ...... 294A Avon ...... 227A Ithaca ...... 228A, 247B, 279B Babylon ...... 272A Jamestown ...... 227B, 270A Baldwinsville ...... 221B1 Jeffersonville ...... 271A, 291A Ballston Spa ...... 272A Jewett ...... 250A Bath ...... 252A, 276A Johnstown ...... 285A Bay Shore ...... 276A Kingston ...... 232A Big Flats ...... 249A Lake George ...... 253A Binghamton ...... 251B, 256B Lake Luzerne ...... 234A Boonville ...... 267A Lake Placid ...... 288A Briarcliff Manor ...... 296A Lake Success ...... 278B Bridgehampton ...... 273A Lakewood ...... 295B1 Bridgeport ...... 258A Liberty ...... 240A Brighton ...... 231A Little Falls ...... 288A Brockport ...... 288A Lowville ...... 257A Buffalo ...... 225B, 233B, 241B, 245B, 258B, Malone ...... 243A 273B, 277B, 281B, 293B Manlius ...... 237A Calverton-Roanoke .... 287A Mechanicville ...... 283A Canajoharie ...... 227A Mexico ...... 280A Canandaigua ...... 272A Middletown ...... 224A Canton ...... 268A Minetto ...... 293A Cape Vincent ...... 234A, 274A Montauk ...... 235A, 284A Carthage ...... 276A Monticello ...... 252A, 259A Catskill ...... 253A Montour Falls ...... 285A Center Moriches ...... 241A Morristown ...... 275A Chateaugay ...... 234C2 Mount Kisco ...... 292A Chenango Bridge ...... 281A New Paltz ...... 277A Cherry Valley ...... 270B New Rochelle ...... 228A Clifton Park ...... 244A New York ...... 222B, 230B, 238B, 242B, 246B, Clyde ...... 229A 250B, 254B, 258B, 266B, 270B, Cobleskill ...... 278B 274B, 282B, 286B, 294B, 298B Conklin ...... 263A Newburgh ...... 276A Copenhagen ...... 294C3 Niagara Falls ...... 253B Corinth ...... 228A North Syracuse ...... 265A

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NEW YORKÐContinued NORTH CAROLINA

Channel No. Channel No.

Norwich ...... 237A, 230B Ahoskie ...... 257A Norwood ...... 241A Albemarle ...... 265A Ogdensburg ...... 224A, 254A Asheboro ...... 222C Old Forge ...... 231A, 259A Ashville ...... 260C Atlantic ...... 297C3 Olean ...... 239B, 268A Aurora ...... 283A Oneonta ...... 276A, 280A Banner Elk ...... 264A Oneida ...... 292A Bayboro ...... 250C3 Oswego ...... 244A, 288A Beech Mountain ...... 272A Owego ...... 269A Belhaven ...... 266C2 Palmyra ...... 259A Biltmore Forest ...... 243A Patchogue ...... 248B, 291B Black Mountain ...... 295C Patterson ...... 288A Burgaw ...... 260C1 Peekskill ...... 264B Burlington ...... 230C, 266C Phoenix ...... 271A Calabash ...... 285C3 Plattsburgh ...... 260C, 286C3 Carolina Beach ...... 294A Port Henry ...... 221C3 Charlotte ...... 236C, 279C, 284C, 300C Clinton ...... 297C3 Port Jervis ...... 244A Columbia ...... 273C1, 289C1 Potsdam ...... 257A Concord ...... 250C Poughkeepsie ...... 221A, 241A, 268B, 284B Dunn ...... 278C2 Pulaski ...... 269A Durham ...... 286C, 296A Queensbury ...... 289B1 Eden ...... 233C1 Ravena ...... 233A Edenton ...... 261C2 Remsen ...... 228A Elizabeth City ...... 244A Rensselaer ...... 280A Elizabethtown ...... 289A Riverhead ...... 280A Elkin ...... 265A Rochester ...... 223B, 243B, 250B, 255B, 263B, Fairbluff ...... 287A 267B, 280A, 290A Fairmont ...... 265C2 Rome ...... 240A, 273B Farmville ...... 232A Rosendale ...... 273A Fayetteville ...... 251C1 Rotterdam ...... 252A Forest City ...... 227C Sag Harbor ...... 221A Franklin ...... 244A Salamanca ...... 252A Fuquay-Varina ...... 280C3 Gaston ...... 250A Saranac Lake ...... 269A, 292C3 Gastonia ...... 270C Saugerties ...... 225A Goldsboro ...... 245C, 272A Schenectady ...... 258B Greensboro ...... 246C, 254C Seneca Falls ...... 257A Greenville ...... 300C Sidney ...... 265A Grifton ...... 258C2 Smithtown ...... 232A Hamlet ...... 282A Sodus ...... 278A Harkers Island ...... 262C1 South Bristol Twsp .... 236B Harrisburg ...... 224A Southampton ...... 225A, 237A Hatteras ...... 233C1, 246C2 Southhold ...... 269A Havelock ...... 286C3 Southport ...... 258A Henderson ...... 223C Star Lake ...... 290B1 Hendersonville ...... 273C1 Stillwater ...... 267A Hertford ...... 285C2 Sylvan Beach ...... 262A Hickory ...... 239C, 275C1 Syracuse ...... 226B, 233B, 275B, 290A, 300B Highlands ...... 283A Ticonderoga ...... 280A High Point ...... 238C1, 258C, 262C Troy ...... 222B Hope Mills ...... 283A Tupper Lake ...... 272A Jacksonville ...... 222C2, 254C1, 288C2 Jefferson ...... 291C3 Utica ...... 245B, 254B, 264A, 282B, 297B Iniannapolis ...... 259C Vestal ...... 277B1 Kill Devil Hills ...... 281C1 Walton ...... 221A Kinston ...... 236C, 249A, 275A Warrensburg ...... 262B1 Laurinburg ...... 243C Waterloo ...... 253A Leland ...... 231A Watertown ...... 228A, 248C1 Lenoir ...... 277A Waverly ...... 271A Lexington ...... 231C Webster ...... 274A Louisburg ...... 273A Wellsville ...... 278A Lumberton ...... 239C, 272A Westhampton ...... 253A Manteo ...... 252A, 256C2 Westport ...... 273A Morehead City ...... 242C1 Wethersfield Townsh 299B Morganton ...... 221A White Plains ...... 280A Moyock ...... 221C3 Whitehall ...... 231A Murfreesboro ...... 252A Whitesboro ...... 250A Murphy ...... 274A Woodstock ...... 261A Nags Head ...... 223C3 Wurtsboro ...... 247A Nashville ...... 259A New Bern ...... 270C1, 293C1

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NORTH CAROLINAÐContinued NORTH DAKOTAÐContinued

Channel No. Channel No.

Newport ...... 277C1 Rugby ...... 237A Norlina ...... 232A Sarles ...... 290C North Wilkesboro ...... 247C Tioga ...... 280A Ocean Isle Beach ...... 228A Valley City ...... 266C2 Ocracoke ...... 224C1 Wahpeton ...... 295C2 Old Fort ...... 282A Walhalla ...... 294C2 Oriental ...... 231C3 Williston ...... 241C1, 253C1, 266C1 Pinetops ...... 238C3 Wishek ...... 262C1 Plymouth ...... 240A Raleigh ...... 234C, 241C, 268C, 275A Reidsville ...... 271C OHIO Roanoke Rapids ...... 272A Robbins ...... 276A Channel No. Robbinsville ...... 240A Rocky Mount ...... 221A, 253C3, 264C Ada ...... 235A Rose Hill ...... 284A Akron ...... 243B, 248B Roxboro ...... 244A Alliance ...... 223B St. Pauls ...... 297A, 299A Archbold ...... 241A Salisbury ...... 293C Ashland ...... 267B Sanford ...... 288A Ashtabula ...... 246B, 252A Semora ...... 294A Athens ...... 240A, 288A Shallottee ...... 252C3, 279C3, 292A Barnesville ...... 228A Shelby ...... 241C Beavercreek ...... 280A Southern Pines ...... 273A, 295C2 Bellaire ...... 263A Southern Shores ...... 265C2 Bellefontaine ...... 252A Southport ...... 298C2 Bellevue ...... 221A Statesville ...... 245C, 289C Belpre ...... 296A Tarboro ...... 282C1 Bowling Green ...... 228A Thomasville ...... 252A Bryan ...... 265A Topsail Beach ...... 280C3 Bucyrus ...... 224A Wadesboro ...... 228C3 Byesville ...... 249A Wallace ...... 232A Cadiz ...... 292A Wanchese ...... 237C3 Caldwell ...... 285A Warrenton ...... 297C2 Cambridge ...... 244A Washington ...... 227C, 252A Canton ...... 231B, 251B, 295B Waxhaw ...... 291C3 Castalia ...... 249A Waynesville ...... 285A Celina ...... 232A, 244A Whiteville ...... 256C1 Chillicothe ...... 227B, 232B1 Williamston ...... 279C1 Cincinnati ...... 223B, 227B, 231B, 253B, 270B, Wilmington ...... 247C1, 267C2, 274C1, 283A 274B, 286B Wilson ...... 291C Circleville ...... 296A Windsor ...... 249A, 255A Cleveland ...... 226B, 238B, 253B, 258B, 264B, Winston-Salem ...... 226C, 281C, 298C 271B, 277B, 281B, 289B, 293B Wrightsville Beach ..... 229A 300B Cleveland Heights ..... 222B Clyde ...... 265A NORTH DAKOTA Coal Grove ...... 246A Columbus ...... 222B, 234B, 242B, 246B, 250B, Channel No. 259B, 298A Conneaut ...... 288A Arthur ...... 244A Coshocton ...... 257A Beulah ...... 250A Crestline ...... 254A Bismarck ...... 225C, 233C, 243C, 248C, 254C, Crooksville ...... 297A 268C Dayton ...... 256B, 284B, 299B Bottineau ...... 270C1 Defiance ...... 251B, 290A Carrington ...... 252A Delaware ...... 300A Cavalier ...... 286C2 Delphos ...... 296A Devils Lake ...... 244C2, 273C1, 278C1 Delta ...... 293A Dickinson ...... 221C3, 256C1 Dover ...... 269A Fargo ...... 229C, 250C, 270C1, 300C1 East ...... 282B Grafton ...... 265C3 Eaton ...... 225B Grand Forks ...... 225C1, 234C1, 298C1 Edgewood ...... 273A Harwood ...... 264C3 Elyria ...... 297B Hettinger ...... 228A Englewood ...... 233A Hope ...... 284A Fairfield ...... 235B Jamestown ...... 227C1, 238C1 Findlay ...... 263B Kindred ...... 224C3 Fort Shawnee ...... 298A Langdon ...... 239A Fostoria ...... 244A Lisbon ...... 291C2 Fredericktown ...... 252A Mandan ...... 284C1 Fremont ...... 256B1 Mayville ...... 288C3 Gahanna ...... 285A Minot ...... 229C1, 246C, 260C1, 287C1, 295A Galion ...... 272A

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OHIOÐContinued OHIOÐContinued

Channel No. Channel No.

Gallipolis ...... 268B Springfield ...... 264B, 275B Geneva ...... 284A Steubenville ...... 278B Georgetown ...... 249A Swanton ...... 297A Gibsonburg ...... 239A Sylvania ...... 288A Greenfield ...... 248A Tiffin ...... 279B Greenville ...... 293B Toledo ...... 223B, 260B, 268B, 284B Grove City ...... 266A Troy ...... 245A Hamilton ...... 243B, 278B Uhrichsville ...... 260A Harrison ...... 282A Union City ...... 248A Hicksville ...... 294A Upper Arlington ...... 255A Hillsboro ...... 294B Upper Sandusky ...... 240A Holland ...... 272A Urbana ...... 269A Hubbard ...... 270A Van Wert ...... 230A, 255B Huron ...... 241A Wapakoneta ...... 221A Ironton ...... 296A Washington Court- 288A Jackson ...... 249A house. Johnstown ...... 276A Wauseon ...... 245A Kent ...... 261A Waverly ...... 265A Kenton ...... 237A Wellston ...... 244B1 Kettering ...... 260B West Carrollton ...... 221A Lancaster ...... 238B, 278A West Union ...... 276A Lebanon ...... 247A Westerville ...... 280A Lima ...... 226A, 249A, 271B, 285A Willard ...... 245A Logan ...... 252A Wilmington ...... 272A London ...... 292A Wooster ...... 283B Lorain ...... 285A Xenia ...... 237A Loudonville ...... 299A Youngstown ...... 227B, 255B, 266B Manchester ...... 267A Zanesville ...... 273B Mansfield ...... 287B, 291B Marietta ...... 271B1 Marion ...... 232A, 295B OKLAHOMA Marysville ...... 289A McArthur ...... 254A Channel No. McConnelsville ...... 265A Medina ...... 235B Ada ...... 257A Miamisburg ...... 229B Altus ...... 228C2, 300C3 Middleport ...... 221A Alva ...... 259C1, 278C1, 289C2 Middletown ...... 290B Anadarko ...... 279C1 Milford ...... 296A Antlers ...... 284A Millersburg ...... 237A Ardmore ...... 239C1, 253A Montpelier ...... 283A Atoka ...... 276C2 Mount Gilead ...... 236 Bartlesville ...... 261C1 Mount Vernon ...... 229B Bethany ...... 285A Napoleon ...... 276A Bixby ...... 287C2 Nelsonville ...... 299A Blossom ...... 224C2 New Lexington ...... 292A Bristow ...... 285A New Philadelphia ...... 240A Broken Arrow ...... 221C2 Newark ...... 262B, 269A Broken Bow ...... 291C2 Niles ...... 291A Byng ...... 261C2 North Baltimore ...... 299A Chelsea ...... 264A North Kingsville ...... 298A Chickasha ...... 288A North Madison ...... 229A Clinton ...... 238C2, 295C1 Norwalk ...... 237A Coalgate ...... 288C2 Oak Harbor ...... 247A Collinsville ...... 268C3 Ottawa ...... 292A Comanche ...... 246A Oxford ...... 249A Cordell ...... 229A, 257A Paulding ...... 259A DeQueen ...... 227A Piketon ...... 261A Dickson ...... 278C3 Piqua ...... 239B Duncan ...... 272A Pleasant City ...... 221A Durant ...... 248C2, 296C2 Port Clinton ...... 233B Edmond ...... 250A Portsmouth ...... 257A, 281C, 298A Eldorado ...... 246A Richwood ...... 282A Elk City ...... 232C3, 243C1, 253C Ripley ...... 258C3 Enid ...... 245C1, 276C3 St. Marys ...... 277A Eufaula ...... 273C3 Salem ...... 286B Frederick ...... 240A Sandusky ...... 274B Grove ...... 257A Shadyside ...... 239B1 Guymon ...... 224C3 Shelby ...... 261A Healdton ...... 229C2 Sidney ...... 288A Heavener ...... 223A South Webster ...... 235A Henryetta ...... 258C1 South Zanesville ...... 224B1 Hobart ...... 290C

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OKLAHOMAÐContinued OREGONÐContinued

Channel No. Channel No.

Holdenville ...... 293C3 Burns ...... 224A Hollis ...... 223A Cannon Beach ...... 243A Hugo ...... 238C2 Canyon City ...... 233A Idabel ...... 244C3 Cave Junction ...... 274C Ketchum ...... 298C1 Coos Bay ...... 228A, 254C2, 290C2 Kingfisher ...... 287A Coquille ...... 247C1 Lahoma ...... 239C3 Corvallis ...... 268C2, 292C Lawton ...... 231C, 237C3, 251C1, 258C3, Cottage Grove ...... 263A, 288A 268C1, 297C2 Creswell ...... 237C3 Lindsay ...... 286A Depoe Bay ...... 288A Locust Grove ...... 233A Eagle Point ...... 292C3 Lone Grove ...... 294A Enterprise ...... 221A Madill ...... 273A Eugene ...... 233C, 241C, 250C, 256C Mangum ...... 249A Florence ...... 284C, 295A Marlow ...... 221C1 Gleneden Beach ...... 248C2 McAlester ...... 267C1, 286A Gold Beach ...... 224C1 Miami ...... 265A Gold Hill ...... 262C1 Muskogee ...... 246C, 295C Grants Pass ...... 245C Newcastle ...... 227C1 Harbeck-Fruitdale ...... 252C2 Norman ...... 292A Hermiston ...... 257A Nowata ...... 285A Hood River ...... 288A Oklahoma City ...... 223C, 234C, 241C, 255C, 263C, Keno ...... 253A 270C, 274C, 281C, 299C Klamath Falls ...... 223C, 258C1, 284C1, 295C1 Okmulgee ...... 231C1 La Grande ...... 254C2, 260C1 Owosso ...... 291C Lake Oswego ...... 294C Pauls Valley ...... 249C3 Lakeview ...... 228C2, 237C2 Pawhuska ...... 280A Lebanon ...... 279C Perry ...... 286A Lincoln City ...... 236C2, 244C2 Ponca City ...... 257A, 265A, 284A Malin ...... 263A Poteau ...... 250C, 297C Medford ...... 229C, 239C1, 278C1 Pryor ...... 283C1 Merrill ...... 289A Roland ...... 222A Milton-Freewater ...... 250C2 Sallisaw ...... 240C2 Myrtle Point ...... 231A Sand Springs ...... 272A Newport ...... 224C2, 274C1 Sapulpa ...... 265A North Bend ...... 235C1, 297C1 Seminole ...... 290A Nyssa ...... 254C1 Shawnee ...... 236C Oakridge ...... 221A Snyder ...... 262A Ontario ...... 241C1 Spencer ...... 289A Pendleton ...... 279C1, 299C Stillwater ...... 229C2, 251A, 288A Phoenix ...... 286C1 Sulphur ...... 265C3 Portland ...... 222C, 229C, 238C, 246C, 254C1, Taft ...... 262A 258C1, 262C, 266C, 270C Tahlequah ...... 269C3 Prineville ...... 236C1 Tishomingo ...... 259C3 Redmond ...... 275C1, 298C1 Tulsa ...... 225C, 238C, 243C, 248C, 253C, Reed City ...... 247A 277C Reedsport ...... 221A, 258C3 Vinita ...... 240A, 241C2 Rogue River ...... 234A Warner ...... 271A Roseburg ...... 276A Watonga ...... 230A Salem ...... 286C Weatherford ...... 247C1 Seaside ...... 251A, 272A Wewoka ...... 284A Sisters ...... 281C1 Wilburton ...... 279C1 Springfield-Eugene .... 226C Woodward ...... 221C3, 240A, 261C1, 266C, 272A Sutherlin ...... 266A Sweet Home ...... 296C1 The Dalles ...... 224C3, 244C3, 249C2, 283C OREGON Tillamook ...... 231A, 281C3 Toledo ...... 264C2 Channel No. Tri-City ...... 282C2 Warm Springs ...... 243C Albany ...... 260C, 300C Altamont ...... 249C1, 267C1 Ashland ...... 270C, 298C2 PENNSYLVANIA Astoria ...... 225C1 Baker ...... 237C3, 284C Channel No. Bandon ...... 243C3 Banks ...... 298C3 Allentown ...... 264B, 281B Beaverton ...... 277C Altoona ...... 251B, 261B1 Bend ...... 231C, 248C1, 252C3, 259A, 264C1, Avis ...... 260A 289C1 Barnesboro ...... 228A Bonanza ...... 275A Beaver Falls ...... 294B Brookings ...... 237C2 Beaver Springs ...... 291A Brownsville ...... 272C1 Bedford ...... 265A, 298A

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PENNSYLVANIAÐContinued PENNSYLVANIAÐContinued

Channel No. Channel No.

Bellefonte ...... 237A Martinsburg ...... 224A Bellwood ...... 280A Masontown ...... 295A Benton ...... 240A McConnellsburg ...... 279A Berwick ...... 278A Meadville ...... 262B Bethlehem ...... 236B Mechanicsburg ...... 228A Blairsville ...... 292A Media ...... 262B Bloomsburg ...... 293B Mercer ...... 244A, 280A Boalsburg ...... 229A Mercersburg ...... 221A Boyertown ...... 298B Mexico ...... 223A Braddock ...... 245B Meyersdale ...... 227A Bradford ...... 261A Mifflinburg ...... 252A Brookville ...... 277B1, 288B1 Mifflintown ...... 296A Burnham ...... 244A Mill Hall ...... 254A Butler ...... 249A Millersburg ...... 255A Cambridge Springs .... 283A Milton ...... 265A Canton ...... 262B1 Montrose ...... 243B Carbondale ...... 232A Mountaintop ...... 246A Carlisle ...... 272A Mount Carmel ...... 259A Central City ...... 269A Mount Union ...... 258A Chambersburg ...... 236B Muncy ...... 227B1 Charleroi ...... 252A Nanticoke ...... 221A Clarendon ...... 282A New Kensington ...... 264B Clarion ...... 224A North East ...... 265B1 Clearfield ...... 226B1 Northumberland ...... 297A Cooperstown ...... 299A Oil City ...... 242A, 253B1 Coudersport ...... 244A Oliver ...... 235B1 Covington ...... 268A Olyphant ...... 239A Cresson ...... 232A Palmyra ...... 221A Curwensville ...... 275A Patton ...... 234A Dallas ...... 229A Philadelphia ...... 223B, 227B, 231B, 239B, 243B, Danville ...... 244A 251B, 255B, 266B, 271B, 275B, Dubois ...... 271B, 297B 283B, 287B, 291B Easton ...... 241B, 260B Philipsburg ...... 290A Ebensburg ...... 256B Pittsburgh ...... 225B, 229B, 233B, 241B, 259B, Edinboro ...... 250B1 268B, 273B, 284B, 290B, 300B Elizabethville ...... 263A Pittston ...... 272A Ellwood City ...... 221A Pocono Pines ...... 290A Emporium ...... 257A Port Allegany ...... 235A Ephrata ...... 286B Port Matilda ...... 300A Erie ...... 234A, 260B, 272A, 279B Portage ...... 289A Everett ...... 282A Pottsville ...... 270B Fairview ...... 230A Punxsutawney ...... 281A Forest City ...... 261A Reading ...... 273B Franklin ...... 257B1 Red Lion ...... 241B Freeland ...... 276A Renovo ...... 295A Galeton ...... 264B1 Reynoldsville ...... 293A Gettysburg ...... 299B Ridgebury ...... 245A Greencastle ...... 232A Riverside ...... 222A Greensburg ...... 296A Russell ...... 276A Greenville ...... 296A Saegertown ...... 232A Grove City ...... 236B Salladsburg ...... 238A Harrisburg ...... 235B, 247B, 257A, 281B Scottdale ...... 280A Hawley ...... 287A Scranton ...... 258, 267B, 285A, 295A Hazleton ...... 250B Shamokin ...... 237A Hershey ...... 294B Sharon ...... 275B Hollidaysburg ...... 285A Sharpsville ...... 240A Honesdale ...... 237A Smethport ...... 292A Huntingdon ...... 278A, 292A Somerset ...... 249A Indiana ...... 223A South Waverly ...... 241A Jenkintown ...... 280A South Williamsport ..... 257A Jersey Shore ...... 242B1, 249A Spangler ...... 247A Johnsonburg ...... 263A St. Marys ...... 230B1, 248B Johnstown ...... 221A, 238B, 243B Starview ...... 224A Kane ...... 280A State College ...... 233A, 276A Lancaster ...... 233B, 245B, 267B Stroudsburg ...... 228A Laporte ...... 280A Sunbury ...... 231B Lebanon ...... 261A Susquehanna ...... 223A Lewisburg ...... 279A Tamaqua ...... 288A Lewistown ...... 240A, 288A Tioga ...... 234B1 Linesville ...... 269A Tobyhanna ...... 300A Lock Haven ...... 221A Towanda ...... 237A Mansfield ...... 222A Tunkhannock ...... 299A

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PENNSYLVANIAÐContinued SOUTH CAROLINAÐContinued

Channel No. Channel No.

Tyrone ...... 266B Greenville ...... 223C, 229C, 233C Union City ...... 292A Greenwood ...... 244A, 278C3 Uniontown ...... 257A Greer ...... 277A University Park ...... 246A Hampton ...... 276A Warren ...... 222B Hanahan ...... 241C1 Washington ...... 237A Hardeeville ...... 266C2 Waynesboro ...... 268B Hartsville ...... 253A Waynesburg ...... 276A Hilton Head Island ..... 291C2, 300C2 Wellsboro ...... 283B Honea Path ...... 276A Whitneyville ...... 296A Johnsonville ...... 286A Wilkes-Barre ...... 225B, 253B Johnston ...... 224A Williamsport ...... 274B, 286B, 300A Kingstree ...... 231A, 257C3 York ...... 277B, 289B Ladson ...... 292A York-Hanover ...... 253B Lake City ...... 261A Lancaster ...... 296A Latta ...... 232C3 RHODE ISLAND Lexington ...... 253A Loris ...... 235A Channel No. Manning ...... 223C Marion ...... 263C3 Block Island ...... 257A McClellanville ...... 255C2 Middletown ...... 262A Moncks Corner ...... 287C3 Narragansett Pier ...... 274A Mount Pleasant ...... 283C2 Providence ...... 222B, 231B, 238B, 268B, 286B Mullins ...... 296C2 Wakefield-Peacedale 259A Murrell's Inlet ...... 233A Westerly ...... 279B Myrtle Beach ...... 221C2, 269C2, 281C1 Woonsocket ...... 292A New Ellenton ...... 274A Newberry ...... 292C3 North Charleston ...... 273C SOUTH CAROLINA North Myrtle Beach .... 290C3 Orangeburg ...... 275A, 280C3, 294C1 Channel No. Pageland ...... 272A Pamplico ...... 271C2 Abbeville ...... 225A Parris Island ...... 221A Aiken ...... 242C2, 258C2 Pawley's Island ...... 253A Allendale ...... 228A Port Royal ...... 259C Anderson ...... 266C, 297C Ravenel ...... 269C3 Andrews ...... 264A Ridgeland ...... 285C3 Atlantic Beach ...... 262A Ridgeville ...... 265C3 Bamberg ...... 239A St. Andrews ...... 272A Barnwell ...... 256C3 St. George ...... 298C Batesburg ...... 226A St. Matthews ...... 230A Beaufort ...... 254C1 St. Stephen ...... 291A Bishopville ...... 229A Saluda ...... 221A Blackville ...... 250A Scranton ...... 275A Bluffton ...... 295C1 Seneca ...... 251C Bowman ...... 233A Socastee ...... 258C3 Branchville ...... 286A South Congaree ...... 237A Bucksport ...... 300C2 Spartanburg ...... 255C Camden ...... 274A Summerton ...... 252A Cayce ...... 244A Summerville ...... 227C2 Charleston ...... 236C, 245C, 263C3, 278C1 Sumter ...... 234A, 267C Cheraw ...... 277C2 Surfside Beach ...... 276C3 Chester ...... 257C3 Walhalla ...... 242A Chesterfield ...... 297A Walterboro ...... 229A Clearwater ...... 252A Wedgefield ...... 238A Clemson ...... 285A West Columbia ...... 261A Columbia ...... 228A, 248C1, 276A, 284C Williston ...... 234A Conway ...... 230A Cross Hill ...... 231A Darlington ...... 288C3 EFFECTIVE DATE NOTE: At 62 FR 47763, Dillon ...... 225C Sept. 11, 1997, South Carolina was amended Easley ...... 280A by removing channel 249C1 at Georgetown Elloree ...... 262A, 262C3 Florence ...... 292A and adding Garden City, channel 249C1, effec- Folly Beach ...... 251C2 tive Oct. 20, 1997 Forest Acres ...... 232A Gaffney ...... 287C SOUTH DAKOTA Garden City ...... 249C1 Georgetown ...... 229A, 249C1, 293C2 Channel No. Goose Creek ...... 232C3 Gray Court ...... 263C Aberdeen ...... 231C1, 235C, 294C1

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SOUTH DAKOTAÐContinued TENNESSEEÐContinued

Channel No. Channel No.

Belle Fourche ...... 240C1, 271C3 Dresden ...... 236A Brookings ...... 229C1 Dyer ...... 232A Canton ...... 274C2 Dyersburg ...... 261C2 Clear Lake ...... 296C3 East Ridge ...... 300C3 Custer ...... 286C2 Elizabethton ...... 257C3 Deadwood ...... 236C Erwin ...... 280A Dell Rapids ...... 239C3 Etowah ...... 276C2 Faith ...... 246C Fayetteville ...... 288A Flandreau ...... 300C3 Franklin ...... 261A Gregory ...... 268C1 Gallatin ...... 283C1 Hot Springs ...... 244C2 Gatlinburg ...... 288A Huron ...... 256A, 286A Germantown ...... 231C2, 298C3 Lead ...... 232C Goddlettsville ...... 246C2 Lowry ...... 264C1 Graysville ...... 239A Madison ...... 276C2 Greensville ...... 235C Martin ...... 273C1 Harriman ...... 224A Milbank ...... 282C1 Harrogate ...... 243A Mission ...... 264A Henderson ...... 239A, 299C3 Mitchell ...... 290C1, 297C1 Hendersonville ...... 221A Mobridge ...... 258C1 Humboldt ...... 272A, 287A Pierre ...... 224C1, 237C2 Huntingdon ...... 265C3 Pine Ridge ...... 228A Jackson ...... 268A, 276C2, 281C1 Rapid City ...... 222C, 230C1, 250C1, 254C1, Jamestown ...... 280A, 286A 262C1, 281C1, 292C Jefferson City ...... 257A Redfield ...... 249A, 279C1 Jellico ...... 274A Reliance ...... 233C Johnson City ...... 268C Salem ...... 263C1 Karns ...... 226A Sioux Falls ...... 223C, 233A, 243C, 247C1, 270C2, Kingsport ...... 253C, 285A 279C2, 284C Kingston Springs ...... 229A Sisseton ...... 258C2, 275C1 Knoxville ...... 248C, 278C, 283A, 299C Spearfish ...... 266C, 297C Lafayette ...... 271A Sturgis ...... 226C La Follette ...... 285A Vermillion ...... 292C2 Lawrenceburg ...... 240A, 248A Volga ...... 272C3 Lebanon ...... 255A, 298C Watertown ...... 225C1, 241C1, 245C Lenoir City ...... 228A Winner ...... 229C1, 253C1 Lewisburg ...... 232A Yankton ...... 226C1, 281C1 Lexington ...... 257A Livingston ...... 240C2 Lobelville ...... 233C2 TENNESSEE Loudon ...... 256A, 287A Madisonville ...... 258A Channel No. Manchester ...... 259C Martin ...... 269A Alamo ...... 226C3 Maryville ...... 239A Athens ...... 269C3 McKenzie ...... 295C1 Atwood ...... 229A McKinnon ...... 268A Baxter ...... 299C3 McMinnville ...... 280A Belle Meade ...... 294A Memphis ...... 246C1, 259C, 266C1, 274C1, Benton ...... 226A 283C1, 290C Bolivar ...... 244A Middleton ...... 264C3 Bristol ...... 245C Milan ...... 222C Brownsville ...... 237A Millington ...... 251C Bulls Gap ...... 264A Minor Hill ...... 221A Byrdstown ...... 244A Monterey ...... 226A, 284A, 295C2 Calhoun ...... 281A Morristown ...... 231A Camden ...... 240A Murfreesboro ...... 242C1 Carthage ...... 281A Nashville ...... 225C, 238C, 250C, 277C, 290C Celina ...... 268A Newport ...... 225A Centerville ...... 244A Norris ...... 294A Chattanooga ...... 222C, 243C, 293C Oak Ridge ...... 232A, 262C Cleveland ...... 237A, 264C Oliver Springs ...... 254C3 Clifton ...... 293A Oneida ...... 288A Clinton ...... 237A Paris ...... 231C3 Coalmont ...... 284A Parsons ...... 247A Collinwood ...... 235C3 Pulaski ...... 252A Colonial Heights ...... 240C2 Red Bank ...... 232A Columbia ...... 269A Ripley ...... 235A Cookeville ...... 234C, 253C2 Rockwood ...... 289A Covington ...... 228A Rogersville ...... 293A Crossville ...... 257A, 273C3 St. Joseph ...... 268A Dayton ...... 285A Savannah ...... 228A, 269A Dickson ...... 229A, 273C1 Selmer ...... 230A, 288A

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TENNESSEEÐContinued TEXASÐContinued

Channel No. Channel No.

Sevierville ...... 271C1 Breckenridge ...... 228C2 Seymour ...... 242A Brenham ...... 231C3, 291C2 Shelbyville ...... 275C1 Bridgeport ...... 252A Signal Mountain ...... 251A Brownfield ...... 282C2 Smithville ...... 269A Brownsville ...... 258C, 262C Smyrna ...... 231A Brownwood ...... 257C2, 268C1, 281C1 Soddy-Daisy ...... 272A Bryan ...... 252A, 258A, 284C2 South Pittsburg ...... 247C2 Burkburnett ...... 284C Sparta ...... 288A Burnet ...... 223A, 295A Spencer ...... 297A Caldwell ...... 297A Spring City ...... 230C3 Cameron ...... 232A, 280C2 Springfield ...... 232A Campwood ...... 256A Surgoinsville ...... 282A Canadian ...... 235C1 Sweetwater ...... 252A Canyon ...... 296A, 300C1 Tazewell ...... 290A Carrizo Springs ...... 221A, 228A Tiptonville ...... 267C3 Carthage ...... 255C1, 282A Trenton ...... 248C3 Center ...... 272A Tullahoma ...... 227C Centerville ...... 290A Tusculum ...... 276A Childress ...... 241C2 Union City ...... 285A, 289A Claude ...... 239C1 Wartburg ...... 267C3 Clarksville ...... 253C Waverly ...... 286C2 Cleveland ...... 246C Waynesboro ...... 235C3 Clifton ...... 277C3 Woodbury ...... 285A Coahoma ...... 288A Coalgate ...... 288C2 Coleman ...... 296C3 EFFECTIVE DATE NOTES: 1. At 62 FR 47762, College Station ...... 263C2 Sept. 11, 1997, Tennessee was amended by re- Colorado City ...... 291A moving Waynesboro, channel 235C3, and add- Columbus ...... 252A ing Collinwood, channel 235C3, effective Oct. Comanche ...... 232C2 20, 1997. Comfort ...... 236C2 Commerce ...... 277C3 2. At 62 FR 49171, Sept. 19, 1997, Tennessee Conroe ...... 295C was amended by removing channel 229A at Copperas Cove ...... 276C3 Dickson and by adding Kingston Springs, Corpus Christi ...... 230C1, 234C3, 238C, 243C1, 256C1 channel 229A, effective Oct. 27, 1997 Corsicana ...... 300C1 Cotulla ...... 249A TEXAS Crane ...... 267C1 Crockett ...... 224C2, 228C2 Channel No. Crystal Beach ...... 268C3 Crystal City ...... 232A Abilene ...... 223C2, 264C, 286C1, 292C2, 300C1 Cuero ...... 249C3 Alamo ...... 285A Daingerfield ...... 295A Alice ...... 221A, 272A Dalhart ...... 240A Alpine ...... 224A Dallas ...... 223C, 250C, 254C, 262C, 266C, Amarillo ...... 226C1, 231C, 245C1, 250C, 254C1, 275C, 283C, 287C 259A, 265C1, 270C1, 275C1, Decatur ...... 289C1 289C3 Del Rio ...... 232A, 242C1 Andrews ...... 288A Denison-Sherman ...... 269C1 Anson ...... 252A Denton ...... 256C, 291C Arlington ...... 235C Denver City ...... 248C2 Atlanta ...... 261C2 DeQueen ...... 227A Austin ...... 229C, 238C, 251C1, 264C, 272C2 Devine ...... 221A Ballinger ...... 276A Diboll ...... 238C1 Bandera ...... 252A Dilley ...... 255C2 Bastrop ...... 296C2 Dimmitt ...... 263C3 Bay City ...... 269C1, 273C1 Dublin ...... 226C3 Beaumont ...... 231C, 236C1, 248C, 273C2, 300C Dumas ...... 237C3 Beeville ...... 250C2, 289C3 Eagle Pass ...... 224A Bells ...... 226A Eastland ...... 236A, 249A Belton ...... 292C3 Edinburg ...... 281C, 300C1 Benavides ...... 299C2 Edna ...... 241C3 Big Lake ...... 252A, 280A El Campo ...... 245C1 Big Spring ...... 240C3, 232C3 El Paso ...... 222C, 226C, 230C, 234C, 238C, Bishop ...... 295C3 242C, 248C, 260C, 271C Bloomington ...... 295C3 Electra ...... 235C2 Blossom ...... 224C2 Elgin ...... 223A Bonham ...... 252C3 Fabens ...... 276A Borger ...... 282C1, 294A Fairfield ...... 256C3 Bowie ...... 264C3 Falfurrias ...... 292A Brackettville ...... 234A Farmersville ...... 221A Brady ...... 237A Farwell ...... 222C1, 252C2

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TEXASÐContinued TEXASÐContinued

Channel No. Channel No.

Floresville ...... 231C2 Liberty ...... 260C2 Flower Mound ...... 244C Linden ...... 257C2 Floydada ...... 237A Littlefield ...... 238C3 Fort Stockton ...... 232A Livingston ...... 222C2 Fort Worth ...... 231C, 242C, 258C, 298C1 Llano ...... 242A Fort Worth-Dallas ...... 246C, 271C Lometa ...... 270A Franklin ...... 270C3 Longview ...... 247C2, 289C Fredericksburg ...... 266C Lorenzo ...... 251C2 Freeport ...... 277C Los Ybanez ...... 253C2 Freer ...... 240A Lubbock ...... 229C1, 233C1, 242C1, 258C1, Friona ...... 234C2 266C1, 273C1, 293C2 Gainesville ...... 233C, 300C2 Lufkin ...... 257C2, 286C Galveston ...... 285A, 293C Luling ...... 234C Ganado ...... 284C2 Madisonville ...... 241C2, 263C3 Gatesville ...... 252A Malakoff ...... 240A George West ...... 281A Marble Falls ...... 285C3 Georgetown ...... 244C1, 299C3 Marfa ...... 228A Giddings ...... 268C1 Markham ...... 223A Gilmer ...... 237C3 Marlin ...... 225C2 Glen Rose ...... 221C2 Marshall ...... 222A, 280A Goliad ...... 240C3 Mason ...... 249C2 Gonzales ...... 292C2 McAllen ...... 245C, 253C Graham ...... 296C3 Mc Camey ...... 237A Granbury ...... 294C McKinney ...... 295A Greenville ...... 228C3 Memphis ...... 287C1 Gregory ...... 283A Mercedes ...... 292A Groves ...... 223C2 Merkel ...... 274C1 Haltom City ...... 227C2 Mexia ...... 285A Hamlin ...... 279C Midland ...... 222C, 227C1, 236C3, 277C1, 294C1 Harker Heights ...... 288C2 Mineola ...... 260A Harlingen ...... 233C, 241C Mineral Wells ...... 240C1 Haskell ...... 238C Mirando City ...... 263C2 Hearne ...... 276A Mission ...... 288A Hebbronville ...... 269A Monahans ...... 260C1, 271C Hemphill ...... 280A Mt. Enterprise ...... 260A Hempstead ...... 287C3 Mount Pleasant ...... 264C Hereford ...... 278C2, 292C3 Muenster ...... 293A Higland Park-Dallas ... 279C Muleshoe ...... 276A Hillsboro ...... 273C1 Nacogdoches ...... 221A, 277C1 Hondo ...... 253A Navasota ...... 223A Hooks ...... 240C3 New Boston ...... 236A, 278C2 Houston ...... 229C, 233C, 239C, 243C, 250C, New Braunfels ...... 221A 256C, 262C, 266C, 271C, 275C, New Ulm ...... 222A 281C, 289C Nolanville ...... 297A Howe ...... 237C3 Odem ...... 252C2 Hudson ...... 242A Odessa ...... 241C2, 245C1, 250C1, 256C1, Huntington ...... 270C2 300C1 Huntsville ...... 259C3, 269A Olney ...... 248C2 Hutto ...... 221A Orange ...... 283C, 291C Idalou ...... 289A, 299A Ozona ...... 232A Ingleside ...... 297C3 Palacios ...... 259A Jacksboro ...... 299A Palestine ...... 244A, 252C2 Jacksonville ...... 272A, 293C Pampa ...... 262C2 Jasper ...... 274C2, 297A Paris ...... 230C2, 282C2, 299C2 Jefferson ...... 283A Pasadena ...... 225C Johnson City ...... 300C2 Pearsall ...... 237A, 281A Jourdanton ...... 239A Pecos ...... 247C1, 252A Junction ...... 228A Perryton ...... 240A Karnes City ...... 276C2 Pilot Point ...... 285C2 Kennedy ...... 221A Pittsburg ...... 245A, 276A Kermit ...... 292A Plainview ...... 247C1, 280C1, 295C2 Kerrville ...... 222C2, 232C2 Pleasanton ...... 252A Kilgore ...... 241C2 Point Comfort ...... 231C3 Killeen ...... 222A, 227C Port Arthur ...... 227C, 253C Kingsville ...... 224C2, 248C1 Port Isabel ...... 266A La Grange ...... 285A Port Lavaca ...... 227C1 Lake Jackson ...... 298C Portland ...... 288A Lamesa ...... 284C1 Post ...... 297C2 Lampasas ...... 255C1 Premont ...... 264C3 Laredo ...... 224A, 235C1, 251C1, 291A Quanah ...... 265C3 Leakey ...... 282A Raymondville ...... 271C2, 289A Levelland ...... 288A Refugio ...... 291C3

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TEXASÐContinued Taylor; and by adding Hutto, channel 221A, effective Oct. 27, 1997. Channel No. UTAH Rio Grande City ...... 276A Robstown ...... 260C1, 286A Channel No. Rockdale ...... 253A Rockport ...... 272C2 Blanding ...... 221A Roma ...... 249A Bountiful ...... 258C Rosenberg ...... 285A Brian Head ...... 251C Round Rock ...... 290C2 Brigham City ...... 264C, 295C Rusk ...... 249C3 Cedar City ...... 223C, 235C1 San Angelo ...... 225C1, 230C1, 234C1, 248C1, Centerville ...... 289C 254C, 261C2, 270C1, 289C3, Coalville ...... 223A 298C1 Delta ...... 239C1 San Antonio ...... 225C, 241C1, 247C, 258C, 262C, Huntsville ...... 276C3 270C1, 274Cl, 283C1, 298C Kanab ...... 266C1 San Augustine ...... 223A Levan ...... 256A San Diego ...... 290C3 Logan ...... 225C2, 233C San Marcos ...... 278C Manti ...... 286C Sanger ...... 281C3 Midvale ...... 274C San Saba ...... 246A Moab ...... 246C1 Seabrook ...... 221C1 Nephi ...... 224A, 280C1 Seadrift ...... 286a Oakley ...... 268C1 Seguin ...... 287C Ogden ...... 238C1, 250C, 266C, 270C Seminole ...... 292A Orem ...... 298C Seymour ...... 230C2 Payson ...... 222A Shamrock ...... 224A Price ...... 252C3, 265A Silsbee ...... 269A Provo ...... 235C, 242C Sinton ...... 267C1, 279C1 Randolph ...... 272A Slaton ...... 224C1 Richfield ...... 229C, 248 Snyder ...... 246A, 268C2 Roosevelt ...... 230A, 253C2 Sonora ...... 221A Roy ...... 300C South Padre Island .... 224A, 237A St. George ...... 228A, 240C, 259C Spearman ...... 252A Salt Lake City ...... 227C, 231C, 246C, 254C, 262C, Stamford ...... 221C2 278C, 282C Stanton ...... 290C2 Smithfield ...... 280A Stephenville ...... 252A Spanish Fork ...... 293C1 Sterling City ...... 243C2 Tooele ...... 221C3 Sulphur Springs ...... 240A Torrey ...... 253A Sweetwater ...... 244A Tremonton ...... 286C2 Tahoka ...... 237A, 262C1 Vernal ...... 290C3 Tatum ...... 262A Taylor ...... 221A, 282C2 Temple ...... 269C3, 282C2 EFFECTIVE DATE NOTE: At 62 FR 47763, Terrell ...... 296A Sept. 11, 1997, Utah was amended by adding Terrell Hills ...... 294C Levan, channel 256A; and by adding Oakley, Texarkana ...... 251C, 273C1 channel 268C1; effective Oct. 20, 1997. Thorndale ...... 257A Three Rivers ...... 233C2 VERMONT Tulia ...... 285C3 Tye ...... 259C1 Channel No. Tyler ...... 221C3, 226C1, 268C, 281C2 Uvalde ...... 229A, 272A, 285C3 Barre ...... 296A Vernon ...... 272A Bellows Falls ...... 296A Victoria ...... 222A, 236C1, 254C1, 265A, 300C1 Bennington ...... 232A Waco ...... 233A, 238C, 248C, 260C, 296A Brandon ...... 268A Wake Village ...... 233A Brattleboro ...... 224A, 244A Whitehouse ...... 297C2 Burlington ...... 225C, 255C1, 300C Wichita Falls ...... 225C1, 260C1, 277C1, 273A, 292C2 Canaan ...... 231C3 Willis ...... 279C3 Danville ...... 239A Winfield ...... 249C3 Derby Center ...... 221C3 Winnie ...... 264C Hartford ...... 282A Winnsboro ...... 285A Killington ...... 287C2 Winona ...... 274A Lyndon ...... 249C3 Winters ...... 241A Manchester ...... 274B Woodville ...... 234C2 Marlboro ...... 268A Yoakum ...... 223A Middlebury ...... 265A Zapata ...... 228A Montpelier ...... 284C2 Randolph ...... 271C3 Royalton ...... 276A EFFECTIVE DATE NOTE: At 62 FR 49622, Rupert ...... 281A Sept. 23, 1997, Texas was amended by remov- Rutland ...... 233C3, 246C2, 251C2 ing channel 282C2 at Temple; by removing South Burlington ...... 238C3 channel 221A and adding channel 282C2 at Springfield ...... 228A

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VERMONTÐContinued VIRGINIAÐContinued

Channel No. Channel No.

St. Albans ...... 272A Grundy ...... 249A St. Johnsbury ...... 288A Hampton ...... 267B Stowe ...... 269A Harrisonburg ...... 264B, 282B Vergennes ...... 244A, 294C2 Hot Springs ...... 296A Warren ...... 241A Jonesville ...... 256A Waterbury ...... 277C3 Kilmarnock ...... 269A West Rutland ...... 298C3 Lawrenceville ...... 288A White River Junction 237A Lebanon ...... 297A Wilmington ...... 264A Louisa ...... 288A Woodstock ...... 230A Luray ...... 280A, 289A Lynchburg ...... 250C3, 261C3, 269C3, 290A Manassas ...... 294B VIRGINIA Marion ...... 230C, 273A, 278A Martinsville ...... 242C1 Channel No. Mechanicsville ...... 221B1 Mount Jackson ...... 245A Abingdon ...... 224A Narrows ...... 267A Accomac ...... 257B1 Newport News ...... 247B Alberta ...... 276A Norfolk ...... 239B, 254B, 259B, 263B, 275B, Alta Vista ...... 288A 283B, 287B Amherst ...... 300C1 Norton ...... 292A Appomattox ...... 274C1, 296A Onley-Onancock ...... 277B Arlington ...... 286B Orange ...... 244A Ashland ...... 261A Pennington Gap ...... 288A Bedford ...... 295A Petersburg ...... 257A, 262A Berryville ...... 288A Pound ...... 272A Big Stone Gap ...... 228C2 Pulaski ...... 296C3 Blacksburg ...... 287C3 Radford ...... 269A Blackstone ...... 228C3 Richlands ...... 264A, 288A Bluefield ...... 292A Richmond ...... 233B, 251B, 271B, 279B, 289A, Bowling Green ...... 245A 293B Bridgewater ...... 286A Roanoke ...... 222C, 235C, 256C, 285C3 Broadway ...... 238A Ruckersville ...... 270A Buena Vista ...... 244A Rural Retreat ...... 237A Buffalo Gap ...... 238A Salem ...... 228A Cape Charles ...... 241B Shawsville ...... 273A Cedar Bluff ...... 299A South Boston ...... 237A, 248C1 Charlottesville ...... 224A, 236A, 248B, 298A South Hill ...... 255C3 Chase City ...... 260C3 Spotsylvania ...... 257A Chesa-Portsm-Va Bea 271A Stanleytown ...... 260C3 Chesapeake ...... 229C1 Staunton ...... 228A, 232B1, 259B Chester ...... 266A Strasburg ...... 285A Chincoteague ...... 243A Suffolk ...... 225B, 295C Christiansburg ...... 264A Tappahannock ...... 288A Churchville ...... 292B1 Tazewell ...... 261A Clarksville ...... 252C3 Vinton ...... 268A, 291A, 296A Clifton Forge ...... 280A Virginia Beach ...... 235B Clinchco ...... 221A Warrenton ...... 232A, 299B Coeburn ...... 259C3 Warsaw ...... 265A Colonial Beach ...... 240A West Point ...... 300A Colonial Heights ...... 237B1 White Stone ...... 285A Covington ...... 265A Winchester ...... 223B, 273B Crewe ...... 284C1 Windsor ...... 299A Crozet ...... 272A, 278A Woodbridge ...... 290B Culpeper ...... 276A Woodstock ...... 229B1 Danville ...... 277C1 Yorktown ...... 231B Deltaville ...... 222A Dillwyn ...... 287A Elkton ...... 252A WASHINGTON Emporia ...... 258A Ettrick ...... 226A Channel No. Exmore ...... 291B1, 298B Falmouth ...... 283A Aberdeen ...... 257C1, 284C2 Farmville ...... 225A, 239B, 267A Bellevue ...... 223C Fort Lee ...... 243B Bellingham ...... 225C, 282C Franklin ...... 269A Bremerton ...... 295C Fredericksburg ...... 227B, 268B Camas ...... 234C2 Front Royal ...... 237A, 257A Cashmere ...... 294A Galax ...... 251C Castle Rock ...... 296C3 Gloucester ...... 256A Centralia ...... 275C Goochland ...... 263A Chelan ...... 228A Gretna ...... 292A Cheney ...... 266C

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WASHINGTONÐContinued WEST VIRGINIAÐContinued

Channel No. Channel No.

Clarkston ...... 231C, 275A Bethlehem ...... 288B1 Cle Elum ...... 229A Bluefield ...... 283C Colfax ...... 273C3 Bridgeport ...... 281A Colville ...... 221A Buckhannon ...... 228B1, 267B Davenport ...... 247C3 Charles Town ...... 252A Dayton ...... 223C1, 272A Charleston ...... 241B, 248B, 260B, 274B Deer Park ...... 296C3 Clarksburg ...... 224A, 285A, 293B Dishman ...... 293A Danville ...... 223A East Wenatchee ...... 249A Dunbar ...... 233A Eatonville ...... 285A Elkins ...... 234B1, 255B1 Edmonds ...... 287C1 Elizabeth ...... 291A Ellensburg ...... 237C2, 276C2 Fairmont ...... 232A, 250B Elma ...... 271C3 Fisher ...... 279A Ephrata ...... 222C2, 230C2 Grafton ...... 240A Forks ...... 280A Hinton ...... 272A Goldendale ...... 272C3 Huntington ...... 263B, 277B, 300B Grand Coulee ...... 253C Keyser ...... 231B, 296A Grandview ...... 265C2 Kingwood ...... 244A, 299A Hoquiam ...... 237C3 Lewisburg ...... 276A Ilwaco ...... 280C3 Logan ...... 270B Kelso ...... 233A Lost Creek ...... 242A Kennewick ...... 287C Mannington ...... 274A Leavenworth ...... 266A Martinsburg ...... 248B Long Beach ...... 232A Matewan ...... 294C3 Longview ...... 288A Miami ...... 297B Lynden ...... 293C Milton ...... 292B1 Mabton ...... 254A Morgantown ...... 261A, 270B McCleary ...... 245C3 Moundsville ...... 243A Medical Lake ...... 270C2 Mount Gay-Shamrock 234A Moses Lake ...... 257A, 262C1 Mount Hope ...... 290B Naches ...... 245A, 257A Mullens ...... 224A Newport ...... 285A New Martinsville ...... 258A, 280A Olympia ...... 241C Oak Hill ...... 231B Omak ...... 224C2, 282C2 Parkersburg ...... 236B, 256B1, 276A Opportunity ...... 241C Petersburg ...... 269A Othello ...... 248C3 Pocatalico ...... 254A Pasco ...... 252A, 267C3, 229A Point Pleasant ...... 258A Prosser ...... 269C3 Princeton ...... 240A, 265A Pullman ...... 249A, 258C1, 282C1 Rainelle ...... 237B1 Quincy ...... 240C3, 244A Ravenswood ...... 226A Raymond ...... 249C3 Ripley ...... 252A Richland ...... 235C, 274C, 293C Romney ...... 261A, *281A Rock Island ...... 258A Ronceverte ...... 249A Royal City ...... 242C3 Salem ...... 277A, 289A Seattle ...... 227C, 231C, 235C1, 239C, 243C, South Charleston ...... 265A 251C, 255C, 260C, 264C, 268C, Spencer ...... 284A 273C, 299C St. Albans ...... 286B Shelton ...... 233A St. Marys ...... 230B1 South Bend ...... 289C3 Summersville ...... 225B Spokane ...... 225C, 229C, 245C3, 251C, 255C, Sutton ...... 246B1 260C, 280C2, 284A, 289C, 300C Vienna ...... 261A Sunnyside ...... 244A Webster Springs ...... 262B Tacoma ...... 247C, 279C, 291C Welch ...... 275A Toppenish ...... 225C2 Weston ...... 272B1 Vancouver ...... 290C2 Westover ...... 265A Wisp ...... 292A Wheeling ...... 247B, 254B, 298B Walla Walla ...... 227C1, 239C, 246C, 256A, 264C3, White Sulphur Springs 227A 265A Williamson ...... 243B Wenatchee ...... 271C, 285C2 Williamstown ...... 245A Wilson Creek ...... 278C1 Winlock ...... 236A Yakima ...... 233C1, 252A, 259C3, 281C, 289C1, WISCONSIN 297C Channel No.

WEST VIRGINIA Adams ...... 291A Algoma ...... 244C3, 281A Channel No. Allouez ...... 294C3 Altoona ...... 251C3 Barrackville ...... 226A Antigo ...... 287C1, 291C3 Beckley ...... 258B, 279B Appleton ...... 289C Berkeley Springs ...... 228A Ashland ...... 244C2, 227C1

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WISCONSINÐContinued WISCONSINÐContinued

Channel No. Channel No.

Balsam Lake ...... 285C3 Park Falls ...... 254C2 Baradoo ...... 235B Peshtigo ...... 242C2 Barron ...... 249A Platteville ...... 296A Beaver Dam ...... 237A Plymouth ...... 283A Berlin ...... 284A Port Washington ...... 261A Birnamwood ...... 225A Portage ...... 240A, 261A Black River Falls ...... 259C3 Prairie Du Chien ...... 232C2 Bloomer ...... 236C3 Racine ...... 221A, 264B Brillion ...... 298C3 Reedsburg ...... 275A, 285A Brookfield ...... 295A Rhinelander ...... 248C1, 261C1 Chetek ...... 294C2 Rice Lake ...... 242C1, 256C2 Chippewa Falls ...... 289C3 Richland Center ...... 265A Cleveland ...... 251A Ripon ...... 241A Clintonville ...... 222A River Falls ...... 292A Columbus ...... 263A Rudolph ...... 260C3 Cornell ...... 260C3 Sauk City ...... 242B1 Crandon ...... 276A Seymour ...... 282A De Forest ...... 226A Shawano ...... 257C3 De Pere ...... 240C3 Sheboygan ...... 229A Dickeyville ...... 266A Sheboygan Falls ...... 293A Dodgeville ...... 257A Shell Lake ...... 237C3 Durand ...... 240A Siren ...... 289A Eagle River ...... 233C2 Sparta ...... 246C1 Eau Claire ...... 231C1, 264C1, 283C Spencer ...... 222A Elk Mound ...... 225A Spooner ...... 292A Evansville ...... 290A Sturgeon Bay ...... 230C1, 249A, 259C2 Fond Du Lac ...... 296A Sturtevant ...... 284A Forestville ...... 271A Sun Prairie ...... 221A Fort Atkinson ...... 297B Superior ...... 273C1 Green Bay ...... 253C1, 266C Suring ...... 274C1 Hallie ...... 279C1 Three Lakes ...... 229C2 Hartford ...... 285A Tomah ...... 241C2, 255C, 233C3 Hayward ...... 222A, 266A Tomahawk ...... 223C3 Iron River ...... 297C3 Trempealeau ...... 288A Janesville ...... 260B1 Two Rivers ...... 255A, Kaukauna ...... 276C3, 285A Verona ...... 288A Kenosha ...... 236B Viroqua ...... 272A Kewaunee ...... 224A Washburn ...... 290C1 La Crosse ...... 227C, 239C2, 285A, 292C3 Watertown ...... 231B Ladysmith ...... 224A, 226A Waukesha ...... 291B Lake Geneva ...... 241A Waunakee ...... 286A Lancaster ...... 249C3 Waupaca ...... 224A Lomira ...... 249A Wausau ...... 238C, 270C, 300C Madison ...... 251B, 268B, 273B, 281B Wautoma ...... 272A Manitowoc ...... 221A, 272A Wauwatosa ...... 279B Marathon ...... 285C3 West Bend ...... 223B Marinette ...... 236C1 West Salem ...... 261A Marshfield ...... 293C1 Whitehall ...... 272A Mauston ...... 221A Whitewater ...... 283A, 293A Mayville ...... 254A Whiting ...... 244C2 Medford ...... 257C3 Winneconne ...... 280C3 Menomonee Falls ...... 252A Wisconsin Dells ...... 295A Merrill ...... 281C3 Wisconsin Rapids ...... 277C1 Middleton ...... 292A Milwaukee ...... 227B, 233B, 239B, 243B, 247B, 256B, 271B, 275B, 299B WYOMING Minocqua ...... 240C3 Mishicot ...... 234A Channel No. Monomonie ...... 221C3 Monroe ...... 229B Afton ...... 254A Mosinee ...... 234C2 Albin ...... 297C2 Mount Horeb ...... 294A Buffalo ...... 225C1 Mukwonago ...... 287A Burns ...... 270C2 Neehah-Menasha ...... 232C3, 262C2 Casper ...... 233C, 238C, 247A, 273A, 279C, Neillsville ...... 224A, 298C1 284A, 295C Nekoosa ...... 230C3, 288A Centennial ...... 224A New Holstein ...... 225A Cheyenne ...... 250C1, 260A, 264C1, 285A, 292C3 New London ...... 228C2 Cody ...... 250C New Richmond ...... 296C3 Diamondville ...... 287C2 Oconto ...... 296A Douglas ...... 257A Omro ...... 258C2 Evanston ...... 291C3 Oshkosh ...... 245A Fort Bridger ...... 257A

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WYOMINGÐContinued PUERTO RICOÐContinued

Channel No. Channel No.

Gillette ...... 245C1, 249A, 264C1 Caguas ...... 277B Glendo ...... 261A Camuy ...... 275B Glenrock ...... 252A Carolina ...... 299B Green River ...... 221C, 268C Cidra ...... 249A Greybull ...... 262C Corozal ...... 223B Jackson ...... 227C, 237C, 245C1 Culebra ...... 254A Kemmerer ...... 297A Fajardo ...... 243B Lander ...... 248C1 Guayama ...... 295B Laramie ...... 236C, 244A, 275C, 283C2, 288C3 Hormigueros ...... 221A, 291A Lost Cabin ...... 256C Isabela ...... 268B Midwest ...... 300A Lajas ...... 279B Newcastle ...... 257A Las Piedras ...... 252A Pine Bluffs ...... 287C2 Pinedale ...... 2266A Luguillo ...... 221A Powell ...... 233C, 281C Manati ...... 245B Rawlins ...... 224A Maricao ...... 241B Riverton ...... 226C1, 230C1 Mayaguez ...... 231B, 248B, 254B Rock Springs ...... 236C, 243C, 283C Naguabo ...... 225A Sheridan ...... 235C1, 243C3 Ponce ...... 227B1, 266B, 270B, 286B Sundance ...... 276C1 Quebradillas ...... 258A Thermopolis ...... 252A, 269A Rio Grande ...... 247A Torrington ...... 252C3 Rio Piedras ...... 239B Wheatland ...... 269A San German ...... 236B Worland ...... 241C2 San Juan ...... 229B, 256B, 260B, 273B, 284B, 289B Santa Isabel ...... 251A EFFECTIVE DATE NOTE: At 62 FR 47763, Utuado ...... 281B Sept. 11, 1997, Wyoming was amended by re- Vieques ...... 291B moving channel 268C and adding channel 221C at Green River, effective Oct. 20, 1997. VIRGIN ISLANDS MERICAN AMOA A S Channel No.

Channel No. Charlotte Amalie ...... *226A, 241B1, 250B, 271B, *275A, 282B, 287B, 297B1 Fagaitua ...... 276C2 Christiansted ...... 228B, 236B, 258B, 262B, 285A Leone ...... 230C1 Cruz Bay ...... 267B Pago Pago ...... 221C3, 226C1 Frederiksted ...... 253A, 269B1, 278A

CENTRAL MARIANAS (Sec. 316, 66 Stat. 717; 47 U.S.C. 316; sec. 5, 48 Stat., as amended, 1068; 47 U.S.C. 154, 155; Channel No. secs. 2, 3, 4, 301, 303, 307, 308, 309, 315, 317, 48 Saipan ...... 230A Stat. as amended, 1064, 1065, 1066, 1081, 1082, 1083, 1084, 1085, 1088, 1089; (47 U.S.C. 152, 153, 301, 303, 307, 308, 309, 315, 317); secs 1, 201–205, GARAPAN 208, 215, 218, 313, 314, 403, 404, 410, 602; 48 Stat. as amended; 1070, 1071, 1072, 1073, 1076, 1077, Channel No. 1087, 1094, 1098, 1102 (47 U.S.C. 151, 201–205, 208, Saipan ...... 258C1, 262C2, 266A, 280A 215, 218, 313, 314, 403, 404, 410, 602)) [FR 12711, Oct. 6, 1965]

GUAM EDITORIAL NOTE: For FEDERAL REGISTER ci- tations affecting § 73.202 see the List of CFR Channel No. Sections Affected in the Finding Aids sec- Agana ...... 230C2, 238C2, 248C2, 262C2, tion of this volume. 270C2, 275C Dededo ...... 286C § 73.203 Availability of channels. (a) Except as provided for in para- PUERTO RICO graph (b) of this section, applications Channel No. may be filed to construct FM broadcast stations only at the communities and Aguada ...... 288A on the channels contained in the Table Aguadilla ...... 225B, 262B Arecibo ...... 293B1, 297B of Allotments (§ 73.202(b)). Applications Bayamon ...... 234B, 264B that fail to comply with this require- Cabo Rojo ...... 272A ments, whether or not accompanied by

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a petition to amend the Table, will not of the States of West Virginia, Ohio, be accepted for tender. Indiana, and Illinois to a point at the (b) Applications filed on a first come, junction of the Illinois, Kentucky, and first served basis may propose a lower Missouri State boundary lines; thence or higher class adjacent, intermediate northerly along the western boundary frequency or co-channel. Applications line of the State of Illinois to a point for the modification of an existing FM at the junction of the Illinois, Iowa, broadcast station may propose a lower and Wisconsin State boundary lines; or higher class adjacent, intermediate thence easterly along the northern frequency or co-channel, or an same State boundary line of Illinois to the class adjacent channel. In these cases, 90th meridian; thence north along this the applicant need not file a petition meridian to the 43.5° parallel; thence for rule making to amend the Table of east along this parallel to the United Allotments (§ 73.202(b)) to specify the States-Canada border; thence southerly modified channel class. and following that border until it again intersects the 43.5° parallel; thence east NOTE: Changes in channel and/or class by application are limited to modifications on along this parallel to the 71st meridian; first, second and third adjacent channels, in- thence in a straight line to the inter- termediate frequency (IF) channels, and co- section of the 69th meridian and the channels which require no other changes to 45th parallel; thence east along the the FM Table of Allotments. Applications re- 45th parallel to the Atlantic Ocean. questing such modifications must meet ei- When any of the above lines pass ther the minimum spacing requirements of § 73.207 at the site specified in the applica- through a city, the city shall be consid- tion, without resort to the provisions of the ered to be located in Zone I. (See Fig- Commission’s Rules permitting short spaced ure 1 of § 73.699.) stations as set forth in §§ 73.213 through 73.215 (b) Zone I–A consists of Puerto Rico, or demonstrate by a separate exhibit at- the Virgin Islands and that portion of tached to the application the existence of a the State of California which is located suitable allotment site that fully complies south of the 40th parallel. with §§ 73.207 and 73.315 without resort to §§ 73.213 through 73.215. (c) Zone II consists of Alaska, Hawaii and the rest of the United States which [54 FR 11954, Mar. 23, 1989, as amended at 58 is not located in either Zone I or Zone FR 38535, July 19, 1993] I–A. § 73.204 International agreements and [29 FR 14116, Oct. 14, 1964, and 31 FR 10125, other restrictions on use of chan- July 27, 1966, as amended at 48 FR 29504, June nels. 27, 1983] See §§ 73.207, 73.220 and 73.1650. § 73.207 Minimum distance separation [49 FR 10264, Mar. 20, 1984] between stations. (a) Except for assignments made pur- § 73.205 Zones. suant to § 73.213 or 73.215, FM allot- For the purpose of allotments and as- ments and assignments must be sepa- signments, the United States is divided rated from other allotments and as- into three zones as follows: signments on the same channel (co- (a) Zone I consists of that portion of channel) and five pairs of adjacent the United States located within the channels by not less than the minimum confines of the following lines drawn distances specified in paragraphs (b) on the United States Albers Equal Area and (c) of this section. The Commission Projection Map (based on standard par- will not accept petitions to amend the allels 291/2° and 451/2°; North American Table of Allotments unless the ref- datum): Beginning at the most easterly erence points meet all of the minimum point on the State boundary line be- distance separation requirements of tween North Carolina and Virginia; this section. The Commission will not thence in a straight line to a point on accept applications for new stations, or the Virginia-West Virginia boundary applications to change the channel or line located at north latitude 37°49′ and location of existing assignments unless west longitude 80°12′30″; thence west- transmitter sites meet the minimum erly along the southern boundary lines distance separation requirements of

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this section, or such applications con- TABLE AÐMINIMUM DISTANCE SEPARATION RE- form to the requirements of § 73.213 or QUIREMENTS IN KILOMETERS (MILES)ÐContin- 73.215. However, applications to modify ued the facilities of stations with short- 10.6/ spaced antenna locations authorized Relation Co- 200 kHz 400/600 10.8 pursuant to prior waivers of the dis- channel kHz MHz tance separation requirements may be B1 to C3 ...... 175 114 (71) 50 (31) 14 (9) accepted, provided that such applica- (109) tions propose to maintain or improve B1 to C2 ...... 200 134 (83) 56 (35) 17 (11) that particular spacing deficiency. (124) B1 to C1 ...... 233 161 77 (48) 24 (15) Class D (secondary) assignments are (145) (100) subject only to the distance separation B1 to C ...... 259 193 105 (65) 31 (19) requirements contained in paragraph (161) (120) (b)(3) of this section. (See § 73.512 for B to B ...... 241 169 74 (46) 20 (12) rules governing the channel and loca- (150) (105) B t0 C3 ...... 211 145 (90) 71 (44) 17(11) tion of Class D (secondary) assign- (131) ments.) B to C2 ...... 241 169 74 (46) 20 (12) (b) The distances listed in Tables A, (150) (105) B to C1 ...... 270 195 79 (49) 27 (17) B, and C apply to allotments and as- (168) (121) signments on the same channel and B to C ...... 274 217 105 (65) 35 (22) each of five pairs of adjacent channels. (170) (135) The five pairs of adjacent channels are C3 to C3 ...... 153 (95) 99 (62) 43 (27) 14 (9) C3 to C2 ...... 177 117 (73) 56 (35) 17 (11) the first (200 kHz above and 200 kHz (110) below the channel under consider- C3 to C1 ...... 211 144 (90) 76 (47) 24 (15) ation), the second (400 kHz above and (131) below), the third (600 kHz above and C3 to C ...... 237 176 96 (60) 31 (19) (147) (109) below), the fifty-third (10.6 MHz above C2 to C2 ...... 190 130 (81) 58 (36) 20 (12) and below), and the fifty-fourth (10.8 (118) MHz above and below). The distances in C2 to C1 ...... 224 158 (98) 79 (49) 27 (17) the Tables apply regardless of whether (139) C2 to C ...... 249 188 105 (65) 35 (22) the proposed station class appears first (155) (117) or second in the ‘‘Relation’’ column of C1 to C1 ...... 245 177 82 (51) 34 (21) the table. (152) (110) (1) Domestic allotments and assign- C1 to C ...... 270 209 105 (65) 41 (25) (168) (130) ments must be separated from each C to C ...... 290 241 105 (65) 48 (30) other by not less than the distances in (180) (150) Table A which follows: (2) Under the Canada-United States TABLE AÐMINIMUM DISTANCE SEPARATION FM Broadcasting Agreement, domestic REQUIREMENTS IN KILOMETERS (MILES) U.S. allotments and assignments with- in 320 kilometers (199 miles) of the 10.6/ Co- 400/600 common border must be separated from Relation channel 200 kHz kHz 10.8 MHz Canadian allotments and assignments A to A ...... 115 (71) 72 (45) 31 (19) 10 (6) by not less than the distances given in A to B1 ...... 143 (89) 96 (60) 48 (30) 12 (7) Table B, which follows. When applying A to B ...... 178 113 (70) 69 (43) 15 (9) Table B, U.S. Class C2 allotments and (111) A to C3 ...... 142 (88) 89 (55) 42 (26) 12 (7) assignments are considered to be Class A to C2 ...... 166 106 (66) 55 (34) 15 (9) B; also, U.S. Class C3 allotments and (103) assignments and U.S. Class A assign- A to C1 ...... 200 133 (83) 75 (47) 22 (14) ments operating with more than 3 kW (124) A to C ...... 226 165 95 (59) 29 (18) ERP and 100 meters antenna HAAT (or (140) (103) equivalent lower ERP and higher an- B1 to B1 ...... 175 114 (71) 50 (31) 14 (9) tenna HAAT based on a class contour (109) B1 to B ...... 211 145 (90) 71 (44) 17 (11) distance of 24 km) are considered to be (131) Class B1.

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TABLE BÐMINIMUM DISTANCE SEPARATION REQUIREMENTS IN KILOMETERS

Co-Chan- Adjacent Channels I.F. nel Relation 10.6/10.8 0 kHz 200 kHz 400 kHz 600 kHz MHz

A±A ...... 132 85 45 37 8 A±B1 ...... 180 113 62 54 16 A±B ...... 206 132 76 69 16 A±C1 ...... 239 164 98 90 32 A±C ...... 242 177 108 100 32 B1±B1 ...... 197 131 70 57 24 B1±B ...... 223 149 84 71 24 B1±C1 ...... 256 181 106 92 40 B1±C ...... 259 195 116 103 40 B±B ...... 237 164 94 74 24 ...... B±C1 ...... 271 195 115 95 40 B±C ...... 274 209 125 106 40 C1±C1 ...... 292 217 134 101 48 C1±C ...... 302 230 144 111 48 C±C ...... 306 241 153 113 48

(3) Under the 1992 Mexico-United internationally as Class AA are limited States FM Broadcasting Agreement, to a maximum of 6.0 kW ERP at 100 domestic U.S. assignments or allot- meters HAAT, or the equivalent; ments within 320 kilometers (199 miles) (iii) U.S. Class C3 assignments or al- of the common border must be sepa- lotments are considered Class B1; rated from Mexican assignments or al- (iv) U.S. Class C2 assignments or al- lotments by not less than the distances lotments are considered Class B; and given in Table C in this paragraph (v) Class C1 assignments or allot- (b)(3). When applying Table C— (i) U.S. or Mexican assignments or al- ments assume maximum facilities of lotments which have been notified 100 kW ERP at 300 meters HAAT. How- internationally as Class A are limited ever, U.S. Class C1 stations may not, in to a maximum of 3.0 kW ERP at 100 any event, exceed the domestic U.S. meters HAAT, or the equivalent; limit of 100 kW ERP at 299 meters (ii) U.S. or Mexican assignments or HAAT, or the equivalent. allotments which have been notified

TABLE CÐMINIMUM DISTANCE SEPARATION REQUIREMENTS IN KILOMETERS

400 kHz 10.6 or Relation Co-Chan- 200 kHz or 600 10.8 MHz nel kHz (I.F.)

A to A ...... 100 61 25 8 A to AA ...... 111 68 31 9 A to B1 ...... 138 88 48 11 A to B ...... 163 105 65 14 A to C1 ...... 196 129 74 21 A to C ...... 210 161 94 28 AA to AA ...... 115 72 31 10 AA to B1 ...... 143 96 48 12 AA to B ...... 178 125 69 15 AA to C1 ...... 200 133 75 22 AA to C ...... 226 165 95 29 B1 to B1 ...... 175 114 50 14 B1 to B ...... 211 145 71 17 B1 to C1 ...... 233 161 77 24 B1 to C ...... 259 193 96 31 B to B ...... 237 164 65 20 B to C1 ...... 270 195 79 27 B to C ...... 270 215 98 35 C1 to C1 ...... 245 177 82 34 C1 to C ...... 270 209 102 41 C to C ...... 290 228 105 48

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(c) The distances listed below apply meet the minimum separation require- only to allotments and assignments on ments of § 73.207, the channel may still Channel 253 (98.5 MHz). The Commis- be allotted if a transmitter site is sion will not accept petitions to amend available that would meet the mini- the Table of Allotments, applications mum separation requirements and still for new stations, or applications to permit the proposed station to meet change the channel or location of exist- the minimum field strength require- ing assignments where the following ments of § 73.315. A showing indicating minimum distances (between transmit- the availability of a suitable site ter sites, in kilometers) from any TV should be sumitted with the petition. Channel 6 allotment or assignment are In cases where a station is not author- not met: ized in a community or communities and the proposed channel cannot meet MINIMUM DISTANCE SEPARATION FROM TV the separation requirement a showing CHANNEL 6 (82±88 MHZ) should also be made indicating ade- TV Zones II quate distance between suitable trans- FM Class TV Zone I & III mitter sites for all communities. A ...... 17 22 (3) Petitions to amend the Table of B1 ...... 19 23 Allotments that do not meet minimum B ...... 22 26 distance separation requirements to C3 ...... 19 23 C2 ...... 22 26 transmitter sites specified in pending C1 ...... 29 33 applications will not be considered un- C ...... 36 41 less they are filed no later than: (i) The last day of a filing window if [48 FR 29504, June 27, 1983, as amended at 49 the application is for a new FM facility FR 10264, Mar. 20, 1984; 49 FR 19670, May 9, or a major change in the non-reserved 1984; 49 FR 50047, Dec. 26, 1984; 51 FR 26250, band and is filed during a filing window July 22, 1986; 54 FR 14963, Apr. 14, 1989; 54 FR established under section 73.3564(d)(3); 16366, Apr. 24, 1989; 54 FR 19374, May 5, 1989; 54 FR 35338, Aug. 25, 1989; 56 FR 27426, June or 14, 1991; 56 FR 57293, Nov. 8, 1991; 62 FR 50256, (ii) The cut-off date established in a Sept. 25, 1997] Commission Public Notice under § 73.3564(d) and 73.3573(e) if the applica- § 73.208 Reference points and distance tion is for a new FM facility or a major computations. change in the reserved band; or (a)(1) The following reference points (iii) The date of receipt of all other must be used to determine distance types of FM applications. If an applica- separation requirements when peti- tion is amended so as to create a con- tions to amend the Table of Allotments flict with a petition for rule making (§ 73.202(b)) are considered: filed prior to the date the amendment (i) First, transmitter sites if author- is filed, the amended application will ized, or if proposed in applications with be treated as if filed on the date of the cut-off protection pursuant to para- amendment for purposes of this para- graph (a)(3) of this section; graph (a)(3). (ii) Second, reference coordinates designated by the FCC; NOTE: If the filing of a conflicting FM ap- (iii) Third, coordinates listed in the plication renders an otherwise timely filed United States Department of Interior counterproposal unacceptable, the counter- proposal may be considered in the rule- publication entitled Index to the Na- making proceeding if it is amended to pro- tional Atlas of the United States of tect the site of the previously filed FM appli- America; or cation within 15 days after being placed on (iv) Last, coordinates of the main the Public Notice routinely issued by the post office. staff concerning the filing of counterpropos- (The community’s reference points als. No proposals involving communities not for which the petition is submitted will already included in the proceeding can be in- normally be the coordinates listed in troduced during the reply comment period as a method of resolving conflicts. The the above publication.) counterproponent is required to make a (2) When the distance between com- showing that, at the time it filed the coun- munities is calculated using commu- terproposal, it did not know, and could not nity reference points and it does not have known by exercising due diligence, of

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the pendency of the conflicting FM applica- (4) Calculate the number of kilo- tion. meters per degree longitude difference (b) Station separations in licensing for the middle latitude calculated in proceedings shall be determined by the paragraph (c)(2) as follows: distance between the coordinates of the proposed transmitter site in one com- KPDlon=111.41513 cos(ML)¥0.09455 munity and cos(3ML)+0.00012 cos(5ML) (1) The coordinates of an authorized (5) Calculate the North-South dis- transmitter site for the pertinent chan- tance in kilometers as follows: nel in the other community; or, where such transmitter site is not available NS=KPDlat(LAT1dd¥LAT2dd) for use as a reference point, (6) Calculate the East-West distance (2) Reference coordinates designated in kilometers as follows: by the FCC; or, if none are designated, (3) The coordinates of the other com- EW=KPDlon(LON1dd¥LON2dd) munity as listed in the publication list- (7) Calculate the distance between ed in paragraph (a) of this section; or, the two reference points by taking the if not contained therein, square root of the sum of the squares of (4) The coordinates of the main post the East-West and North-South dis- office of such other community. tances as follows: (5) In addition, where there are pend- DIST=(NS2∂ EW2)0.5 ing applications in other communities which, if granted, would have to be (8) Round the distance to the nearest considered in determining station sepa- kilometer. rations, the coordinates of the trans- (9) Terms used in this section are de- mitter sites proposed in such applica- fined as follows: tions must be used to determine wheth- (i) LAT1dd and LON1dd=the coordi- er the requirements with respect to nates of the first reference point in de- minimum separations between the pro- gree-decimal format. posed stations in the respective cities (ii) LAT2dd and LON2dd=the coordi- have been met. nates of the second reference point in (c) The method given in this para- degree-decimal format. graph shall be used to compute the dis- (iii) ML=the middle latitude in de- tance between two reference points, ex- gree-decimal format. cept that, for computation of distance (iv) KPDlat=the number of kilometers involving stations in Canada and Mex- per degree of latitude at a given middle ico, the method for distance computa- latitude. tion specified in the applicable inter- (v) KPDlon=the number of kilometers national agreement shall be used in- per degree of longitude at a given mid- stead. The method set forth in this dle latitude. paragraph is valid only for distances (vi) NS=the North-South distance in not exceeding 475 km (295 miles). kilometers. (1) Convert the latitudes and lon- (vii) EW=the East-West distance in gitudes of each reference point from kilometers. degree-minute-second format to de- (viii) DIST=the distance between the gree-decimal format by dividing min- two reference points, in kilometers. utes by 60 and seconds by 3600, then adding the results to degrees. [28 FR 13623, Dec. 14, 1963, as amended at 29 (2) Calculate the middle latitude be- FR 14116, Oct. 14, 1964; 48 FR 29505, June 27, 1983; 52 FR 37788, Oct. 9, 1987; 52 FR 39920, tween the two reference points by aver- Oct. 26, 1987; 54 FR 9806, Mar. 8, 1989; 57 FR aging the two latitudes as follows: 36020, Aug. 12, 1992; 58 FR 38537, July 19, 1993] ML=(LAT1 +LAT2 )÷2 dd dd § 73.209 Protection from interference. (3) Calculate the number of kilo- (a) Permittees and licensees of FM meters per degree latitude difference broadcast stations are not protected for the middle latitude calculated in from any interference which may be paragraph (c)(2) as follows: caused by the grant of a new station, or KPDlat=111.13209¥0.56605 of authority to modify the facilities of cos(2ML)+0.00120 cos(4ML) an existing station, in accordance with

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the provisions of this subpart. How- (iii) If this distance is greater than 52 ever, they are protected from inter- km and less than or equal to 72 km, the ference caused by Class D (secondary) station is Class C1. noncommercial educational FM sta- (iv) If this distance is greater than 72 tions. See § 73.509. km and less than or equal to 92 km, the (b) The nature and extent of the pro- station is Class C. tection from interference afforded FM (4) For a station in Puerto Rico or broadcast stations operating on Chan- the Virgin Islands: nels 221–300 is limited to that which re- (i) If this distance is less than or sults when assignments are made in ac- equal to 42 km, the station is Class A. cordance with the rules in this subpart. (ii) If this distance is greater than 42 [43 FR 39715, Sept. 6, 1978 and 48 FR 29505, km and less than or equal to 46 km, the June 27, 1983; 54 FR 9802, Mar. 8, 1989] station is Class B1. (iii) If this distance is greater then 46 § 73.210 Station classes. km and less than or equal to 78 km, the (a) The rules applicable to a particu- station is Class B. lar station, including minimum and [52 FR 37788, Oct. 9, 1987; 52 FR 39920, Oct. 26, maximum facilities requirements, are 1987, as amended at 54 FR 16367, Apr. 24, 1989; determined by its class. Possible class 54 FR 19374, May 5, 1989; 54 FR 35339, Aug. 25, designations depend upon the zone in 1989] which the station’s transmitter is lo- cated, or proposed to be located. The § 73.211 Power and antenna height re- zones are defined in § 73.205. Allotted quirements. station classes are indicated in the (a) Minimum requirements. (1) Except Table of Allotments, § 73.202. Class A, as provided in paragraphs (a)(3) and B1 and B stations may be authorized in (b)(2) of this section, FM stations must Zones I and I–A, Class A, C3, C2, C1, and operate with a minimum effective radi- C stations may be authorized in Zone ated power (ERP) as follows: II. (i) The minimum ERP for Class A (b) The power and antenna height re- stations is 0.1 kW. quirements for each class are set forth (ii) The ERP for Class B1 stations in § 73.211. If a station has an ERP and must exceed 6 kW. an antenna HAAT such that it cannot (iii) The ERP for Class B stations be classified using the maximum limits must exceed 25 kW. and minimum requirements in § 73.211, (iv) The ERP for Class C3 stations its class shall be determined using the must exceed 6 kW. following procedure: (v) The ERP for Class C2 stations (1) Determine the reference distance must exceed 25 kW. of the station using the procedure in (vi) The ERP for Class C1 stations paragraph (b)(1)(i) of § 73.211. If this dis- must exceed 50 kW. tance is less than or equal to 28 km, (vii) The minimum ERP for Class C the station is Class A; otherwise, stations is 100 kW. (2) For a station in Zone I or Zone I– (2) Class C stations must have an an- A, except for Puerto Rico and the Vir- tenna height above average terrain gin Islands: (HAAT) of at least 300 meters (984 feet). (i) If this distance is greater than 28 No minimum HAAT is specified for km and less than or equal to 39 km, the Classes A, B1, B, C3, C2, or C1 stations. station is Class B1. (3) Stations of any class except Class (ii) If this distance is greater than 39 A may have an ERP less than that km and less than or equal to 52 km, the specified in paragraph (a)(1) of this sec- station is Class B. tion, provided that the reference dis- (3) For a station in Zone II: tance, determined in accordance with (i) If this distance is greater than 28 paragraph (b)(1)(i) of this section, ex- km and less than or equal to 39 km, the ceeds the distance to the class contour station is Class C3. for the next lower class. Class A sta- (ii) If this distance is greater than 39 tions may have an ERP less than 100 km and less than or equal to 52 km, the watts provided that the reference dis- station is Class C2. tance, determined in accordance with

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paragraph (b)(1)(i) of this section, (3) For stations located in Puerto equals or exceeds 6 kilometers. Rico or the Virgin Islands, the maxi- (b) Maximum limits. (1) Except for sta- mum ERP in any direction, reference tions located in Puerto Rico or the Vir- HAAT, and distance to the class con- gin Islands, the maximum ERP in any tour for each FM station class are list- direction, reference HAAT, and dis- ed below: tance to the class contour for each FM Class station class are listed below: Reference contour Station Maximum ERP HAAT in distance Class class meters (ft.) in kilo- Station Reference contour meters class Maximum ERP HAAT in distance meters (ft.) in kilo- A ...... 6kW (7.8 dBk) ...... 240 (787) 42 meters B1 ...... 25kW (14.0 dBk) ...... 150 (492) 46 A ...... 6kW (7.8 dBk) ...... 100 (328) 28 B ...... 50kW (17.0 dBk) ...... 472 (1549) 78 B1 ...... 25kW (14.0 dBk) ...... 100 (328) 39 B ...... 50kW (17.0 dBk) ...... 150 (492) 52 (c) Existing stations. Stations author- C3 ...... 25kW (14.0 dBk) ...... 100 (328) 39 ized prior to March 1, 1984 that do not C2 ...... 50kW (17.0 dBk) ...... 150 (492) 52 C1 ...... 100kW (20.0 dBk) ...... 299 (981) 72 conform to the requirements of this C ...... 100kW (20.0 dBk) ...... 600 (1968) 92 section may continue to operate as au- thorized. Stations operating with fa- (i) The reference distance of a station cilities in excess of those specified in is obtained by finding the predicted paragraph (b) of this section may not distance to the 1mV/m contour using increase their effective radiated powers Figure 1 of § 73.333 and then rounding to or extend their 1 mV/m field strength the nearest kilometer. Antenna HAAT contour beyond the location permitted is determined using the procedure in by their present authorizations. The § 73.313. If the HAAT so determined is provisions of this section will not apply less than 30 meters (100 feet), a HAAT to applications to increase facilities for of 30 meters must be used when finding those stations operating with less than the predicted distance to the 1 mV/m the minimum power specified in para- contour. graph (a) of this section. (ii) If a station’s ERP is equal to the maximum for its class, its antenna [53 FR 17042, May 13, 1988, as amended at 54 FR 16367, Apr. 24, 1989; 54 FR 19374, May 5, HAAT must not exceed the reference 1989; 54 FR 35339, Aug. 25, 1989] HAAT, regardless of the reference dis- tance. For example, a Class A station § 73.212 Administrative changes in au- operating with 6 kW ERP may have an thorizations. antenna HAAT of 100 meters, but not (a) In the issuance of FM broadcast 101 meters, even though the reference station authorizations, the Commis- distance is 28 km in both cases. sion will specify the transmitter out- (iii) Except as provided in paragraph put power and effective radiated power (b)(3) of this section, no station will be in accordance with the following tab- authorized in Zone I or I–A with an ulation: ERP equal to 50 kW and a HAAT ex- ceeding 150 meters. No station will be Rounded out to authorized in Zone II with an ERP nearest equal to 100 kW and a HAAT exceeding Power (watts or kW) figure (watts or 600 meters. kW) (2) If a station has an antenna HAAT greater than the reference HAAT for 1 to 3 ...... 05 its class, its ERP must be lower than 3 to 10 ...... 1 10 to 30 ...... 5 the class maximum such that the ref- 30 to 100 ...... 1 erence distance does not exceed the 100 to 300 ...... 5 class contour distance. If the antenna 300 to 1,000 ...... 10 HAAT is so great that the station’s ERP must be lower than the minimum (b) Antenna heights above average ERP for its class (specified in para- terrain will be rounded out to the near- graphs (a)(1) and (a)(3) of this section), est meter. that lower ERP will become the mini- [28 FR 13623, Dec. 14, 1963, as amended at 48 mum for that station. FR 29506, June 27, 1983]

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§ 73.213 Grandfathered short-spaced value 6 dB below the desired (service) stations. F(50,50) field strength of the station (a) Stations at locations authorized being considered (e.g., where the pro- prior to November 16, 1964 that did not tected field strength is 60 dBu, the meet the separation distances required interfering field strength must be 54 by § 73.207 and have remained continu- dBu or more for predicted interference ously short-spaced since that time may to exist). be modified or relocated with respect (2) For co-channel and first-adjacent to such short-spaced stations, provided channel stations, a showing that the that no area previously receiving inter- public interest would be served by the ference-free service would receive co- changes proposed in an application channel or first-adjacent channel inter- must include exhibits demonstrating ference as predicted in accordance with that the total area and population sub- paragraph (a)(1) of this section, or that ject to co-channel or first-adjacent a showing is provided pursuant to para- channel interference, caused and re- graph (a)(2) of this section that dem- ceived, would be maintained or de- onstrates that the public interest creased. In addition, the showing must would be served by the proposed include exhibits demonstrating that changes. the area and the population subject to (1) The F(50,50) curves in Figure 1 of co-channel or first-adjacent channel in- § 73.333 are to be used in conjunction terference caused by the proposed facil- with the proposed effective radiated ity to each short-spaced station indi- power and antenna height above aver- vidually is not increased. In all cases, age terrain, as calculated pursuant to the applicant must also show that any § 73.313(c), (d)(2) and (d)(3), using data area predicted to lose service as a re- for as many radials as necessary, to de- sult of new co-channel or first-adja- termine the location of the desired cent-channel interference has adequate (service) field strength. The F(50,10) aural service remaining. For the pur- curves in Figure 1a of § 73.333 are to be pose of this section, adequate service is used in conjunction with the proposed defined as 5 or more aural services (AM effective radiated power and antenna or FM). height above average terrain, as cal- (3) For co-channel and first-adjacent- culated pursuant to § 73.313(c), (d)(2) channel stations, a copy of any applica- and (d)(3), using data for as many tion proposing interference caused in radials as necessary, to determine the any areas where interference is not location of the undesired (interfering) currently caused must be served upon field strength. Predicted interference is the licensee(s) of the affected short- defined to exist only for locations spaced station(s). where the desired (service) field strength exceeds 0.5 mV/m (54 dBu) for (4) For stations covered by this para- a Class B station, 0.7 mV/m (57 dBu) for graph (a), there are no distance separa- a Class B1 station, and 1 mV/m (60 dBu) tion or interference protection require- for any other class of station. ments with respect to second-adjacent (i) Co-channel interference is pre- and third-adjacent channel short- dicted to exist, for the purpose of this spacings that have existed continu- section, at all locations where the ously since November 16, 1964. undesired (interfering station) F(50,10) (b) Stations at locations authorized field strength exceeds a value 20 dB prior to May 17, 1989, that did not meet below the desired (service) F(50,50) field the IF separation distances required by strength of the station being consid- § 73.207 and have remained short-spaced ered (e.g., where the protected field since that time may be modified or re- strength is 60 dBu, the interfering field located provided that the overlap area strength must be 40 dBu or more for of the two stations’ 36 mV/m field predicted interference to exist). strength contours is not increased. (ii) First-adjacent channel inter- (c) Short spacings involving at least ference is predicted to exist, for the one Class A allotment or authoriza- purpose of this section, at all locations tion. Stations that became short where the undesired (interfering sta- spaced on or after November 16, 1964 tion) F(50,10) field strength exceeds a (including stations that do not meet

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the minimum distance separation re- tenna HAAT (or equivalent lower ERP quirements of paragraph (c)(1) of this and higher antenna HAAT based on a section and that propose to maintain class contour distance of 24 km) must or increase their existing distance sep- specify a transmitter site that meets arations) may be modified or relocated the minimum distance separation re- in accordance with paragraph (c)(1) or quirements in this paragraph. Each ap- (c)(2) of this section, except that this plication for authority to operate a provision does not apply to stations Class A station with more than 3000 that became short spaced by grant of watts ERP (up to a maximum of 5800 applications filed after October 1, 1989, watts), but with an antenna HAAT or filed pursuant to § 73.215. If the ref- lower than 100 meters such that the erence coordinates of an allotment are distance to the predicted 0.05 mV/m (34 short spaced to an authorized facility dBµ V/m) F(50,10) field strength con- or another allotment (as a result of the tour does not exceed 98 km must speci- revision of § 73.207 in the Second Report fy a transmitter site that meets the and Order in MM Docket No. 88–375), an minimum distance separation require- application for the allotment may be ments in this paragraph. Each applica- authorized, and subsequently modified tion for authority to operate an FM after grant, in accordance with para- station of any class other than Class A graph (c)(1) or (c)(2) of this section only must specify a transmitter site that with respect to such short spacing. No meets the minimum distance separa- other stations will be authorized pursu- tion requirements in this paragraph ant to these paragraphs. with respect to Class A stations operat- (1) Applications for authorization under ing pursuant to this paragraph or para- requirements equivalent to those of prior graph (c)(2) of this section, and that rules. Each application for authority to meets the minimum distance separa- operate a Class A station with no more tion requirements of § 73.207 with re- than 3000 watts ERP and 100 meters an- spect to all other stations.

MINIMUM DISTANCE SEPARATION REQUIREMENTS IN KILOMETERS (MILES)

Relation Co-channel 200 kHz 400/600 kHz 10.6/10.8 MHz

A to A ...... 105 (65) 64 (40) 27 (17) 8 (5) A to B1 ...... 138 (86) 88 (55) 48 (30) 11 (6) A to B ...... 163 (101) 105 (65) 69 (43) 14 (9) A to C3 ...... 138 (86) 84 (52) 42 (26) 11 (6) A to C2 ...... 163 (101) 105 (65) 55 (34) 14 (9) A to C1 ...... 196 (122) 129 (80) 74 (46) 21 (13) A to C ...... 222 (138) 161 (100) 94 (58) 28 (17)

(2) Applications for authorization of tion which is seeking a mutual in- Class A facilities greater than 3,000 crease in facilities may be granted only watts ERP and 100 meters HAAT. Each if no alternative fully-spaced site or application to operate a Class A sta- less short-spaced site is available. Li- tion with an ERP and HAAT such that censees of Class A stations seeking mu- the reference distance would exceed 24 tual increases in facilities need not kilometers must contain an exhibit show that a fully spaced site or less demonstrating the consent of the li- short-spaced site is available. Applica- censee of each co-channel, first, second tions submitted pursuant to the provi- or third adjacent channel station (for sions of this paragraph may be granted which the requirements of § 73.207 are only if such action is consistent with not met) to a grant of that application. the public interest. Each such application must specify a [52 FR 37789, Oct. 9, 1987, as amended at 54 FR transmitter site that meets the appli- 14964, Apr. 14, 1989; 54 FR 35339, Aug. 25, 1989; cable IF-related channel distance sepa- 56 FR 27426, June 14, 1991; 62 FR 50521, Sept. ration requirements of § 73.207. Applica- 26, 1997] tions that specify a new transmitter EFFECTIVE DATE NOTE: At 62 FR 50521, site which is short-spaced to an FM Sept. 26, 1997, § 73.213 was amended by revis- station other than another Class A sta- ing paragraph (a), effective Nov. 25, 1997. For

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the convenience of the user, the superseded (1) The protected contours, for the text is set forth as follows: purpose of this section, are defined as follows. For all Class B and B1 stations § 73.213 Grandfathered short-spaced sta- tions. on Channels 221 through 300 inclusive, the F(50,50) field strengths along the (a) Stations at locations authorized prior to November 16, 1964 that did not meet the protected contours are 0.5 mV/m (54 separation distances required by § 73.207 and dBµ) and 0.7 mV/m (57 dBµ), respec- have remained short-spaced since that time tively. For all other stations, the may be modified or relocated provided that F(50,50) field strength along the pro- the predicted distance to the 1 mV/m field tected contour is 1.0 mV/m (60 dBµ). strength contour is not extended toward the (2) The interfering contours, for the 1 mV/m field strength contour of any short- purpose of this section, are defined as spaced station. Mutual increase in the facili- follows. For co-channel stations, the ties of such stations up to the limits set F(50,10) field strength along the inter- forth in § 73.211 may be permitted pursuant to an agreement between the affected sta- fering contour is 20 dB lower than the tions and a showing of public interest. See F(50,50) field strength along the pro- § 73.4235. tected contour for which overlap is pro- hibited. For first adjacent channel sta- ± * * * * * tions ( 200 kHz), the F(50,10) field strength along the interfering contour § 73.215 Contour protection for short- is 6 dB lower than the F(50,50) field spaced assignments. strength along the protected contour for which overlap is prohibited. For The Commission will accept applica- both second and third adjacent channel tions that specify short-spaced antenna stations (±400 kHz and ±600 kHz), the locations (locations that do not meet F(50,10) field strength along the inter- the domestic co-channel and adjacent fering contour is 40 dB higher than the channel minimum distance separation F(50,50) field strength along the pro- requirements of § 73.207); Provided tected contour for which overlap is pro- That, such applications propose con- hibited. tour protection, as defined in para- (3) The locations of the protected and graph (a) of this section, with all short- interfering contours of the proposed spaced assignments, applications and station and the other short-spaced as- allotments, and meet the other appli- signments, applications and allotments cable requirements of this section. must be determined in accordance with Each application to be processed pursu- the procedures of paragraphs (c), (d)(2) ant to this section must specifically re- and (d)(3) of § 73.313, using data for as quest such processing on its face, and many radials as necessary to accu- must include the necessary exhibit to rately locate the contours. demonstrate that the requisite contour (4) Stations in Puerto Rico and the protection will be provided. Such appli- Virgin Islands may submit application cations may be granted when the Com- for short-spaced locations provided the mission determines that such action predicted distance to their 1 mV/m would serve the public interest, con- field strength contour is not extended venience, and necessity. toward the 1 mV/m field strength con- (a) Contour protection. Contour pro- tour of any short-spaced station. tection, for the purpose of this section, (b) Applicants requesting short- means that on the same channel and on spaced assignments pursuant to this the first, second and third adjacent section must take into account the fol- channels, the predicted interfering con- lowing factors in demonstrating that tours of the proposed station do not contour protection is achieved: overlap the predicted protected con- (1) The ERP and antenna HAAT of tours of other short-spaced assign- the proposed station in the direction of ments, applications and allotments, the contours of other short-spaced as- and the predicted interfering contours signments, applications and allot- of other short-spaced assignments, ap- ments. If a directional antenna is pro- plications and allotments do not over- posed, the pattern of that antenna lap the predicted protected contour of must be used to calculate the ERP in the proposed station. particular directions. See § 73.316 for

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additional requirements for directional § 73.211), and antenna HAATs in the di- antennas. rections of concern that would result (2) The ERP and antenna HAAT of from a non-directional antenna mount- other short-spaced assignments, appli- ed at a standard eight-radial antenna cations and allotments in the direction HAAT equal to the reference HAAT for of the contours of the proposed station. the applicable station class, without The ERP and antenna HAATs in the di- regard to any other restrictions that rections of concern must be determined may apply. as follows: (iv) For applications containing a re- (i) For vacant allotments, contours quest for authorization pursuant to are based on the presumed use, at the this section, except for applications to allotment’s reference point, of the continue operation with authorized maximum ERP that could be author- ERP that exceeds the maximum ERP ized for the station class of the allot- permitted by § 73.211 for the standard ment, and antenna HAATs in the direc- eight-radial antenna HAAT employed, tions of concern that would result from contours are based on the use of the a non-directional antenna mounted at proposed ERP in the directions of con- a standard eight-radial antenna HAAT cern, and antenna HAATs in the direc- equal to the reference HAAT for the tions of concern derived from the pro- station class of the allotment. posed standard eight-radial antenna (ii) For existing stations that were HAAT. For applications to continue not authorized pursuant to this sec- operation with an ERP that exceeds tion, including stations with author- the maximum ERP permitted by ized ERP that exceeds the maximum § 73.211 for the standard eight-radial ERP permitted by § 73.211 for the stand- HAAT employed, if processing is re- ard eight-radial antenna HAAT em- quested under this section, contours ployed, and for applications not re- are based on the presumed use of the questing authorization pursuant to maximum ERP for the applicable sta- this section, contours are based on the tion class (as specified in § 73.211), and presumed use of the maximum ERP for antenna HAATs in the directions of the applicable station class (as speci- concern that would result from a non- fied in § 73.211), and the antenna HAATs directional antenna mounted at a in the directions of concern that would standard eight-radial antenna HAAT result from a non-directional antenna equal to the reference HAAT for the mounted at a standard eight-radial an- applicable station class, without regard tenna HAAT equal to the reference to any other restrictions that may HAAT for the applicable station class, apply. without regard to any other restric- NOTE TO PARAGRAPH (b): Applicants are tions that may apply (e.g. zoning laws, cautioned that the antenna HAAT in any FAA constraints, application of particular direction of concern will not usu- § 73.213). ally be the same as the standard eight-radial (iii) For stations authorized pursuant antenna HAAT or the reference HAAT for the station class. to this section, except stations with authorized ERP that exceeds the maxi- (c) Applications submitted for proc- mum ERP permitted by § 73.211 for the essing pursuant to this section are not standard eight-radial antenna HAAT required to propose contour protection employed, contours are based on the of any assignment, application or allot- use of the authorized ERP in the direc- ment for which the minimum distance tions of concern, and HAATs in the di- separation requirements of § 73.207 are rections of concern derived from the met, and may, in the directions of authorized standard eight-radial an- those assignments, applications and al- tenna HAAT. For stations with author- lotments, employ the maximum ERP ized ERP that exceeds the maximum permitted by § 73.211 for the standard ERP permitted by § 73.211 for the stand- eight-radial antenna HAAT employed. ard eight-radial antenna HAAT em- (d) Stations authorized pursuant to ployed, authorized under this section, this section may be subsequently au- contours are based on the presumed use thorized on the basis of compliance of the maximum ERP for the applica- with the domestic minimum separation ble station class (as specified in distance requirements of § 73.207, upon

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filing of an FCC Form 301 or FCC Form erations authorized prior to January 1, 340 (as appropriate) requesting a modi- 1982. fication of authorization. [43 FR 45845, Oct. 4, 1978, as amended at 46 FR (e) The Commission will not accept 50376, Oct. 13, 1981, 47 FR 30068, July 12, 1982; applications that specify a short- 48 FR 29507, June 27, 1983] spaced antenna location for which the following minimum distance separa- § 73.232 Territorial exclusivity. tion requirements, in kilometers No licensee of an FM broadcast sta- (miles), are not met: tion shall have any arrangement with a network organization which prevents Co-Chan- 400/600 Relation nel 200 kHz kHz or hinders another station serving sub- stantially the same area from broad- A to A ...... 92(57) 49(30) 29(18) casting the network’s programs not A to B1 ...... 119(74) 72(45) 46(29) taken by the former station, or which A to B ...... 143(89) 96(60) 67(42) A to C3 ...... 119(74) 72(45) 40(25) prevents or hinders another station A to C2 ...... 143(89) 89(55) 53(33) serving a substantially different area A to C1 ...... 178(111) 111(69) 73(45) from broadcasting any program of the A to C ...... 203(126) 142(88) 93(58) network organization: Provided, how- B1 to B1 ...... 143(89) 96(60) 48(30) ever, That this section does not pro- B1 to B ...... 178(111) 114(71) 69(43) hibit arrangements under which the B1 to C3 ...... 143(89) 96(60) 48(30) B1 to C2 ...... 175(109) 114(71) 55(34) station is granted first call within its B1 to C1 ...... 200(124) 134(83) 75(47) primary service area upon the net- B1 to C ...... 233(145) 165(103) 95(59) work’s programs. The term ‘‘network B to B ...... 211(131) 145(90) 71(44) organization’’ means any organization B to C3 ...... 178(111) 114(70) 69(43) originating program material, with or B to C2 ...... 211(131) 145(90) 71(44) without commercial messages, and fur- B to C1 ...... 241(150) 169(105) 77(48) nishing the same to stations inter- B to C ...... 270(168) 195(121) 105(65) C3 to C3 ...... 142(88) 89(55) 42(26) connected so as to permit simultaneous C3 to C2 ...... 166(103) 106(66) 55(34) broadcast by all or some of them. How- C3 to C1 ...... 200(124) 133(83) 75(47) ever, arrangements involving only sta- C3 to C ...... 226(140) 165(103) 95(59) tions under common ownership, or only C2 to C2 ...... 177(110) 117(73) 56(35) the rebroadcast by one station of pro- C2 to C1 ...... 211(131) 144(90) 76(47) gramming from another with no com- C2 to C ...... 237(147) 176(109) 96(60) C1 to C1 ...... 224(139) 158(98) 79(49) pensation other than a lump-sum pay- C1 to C ...... 249(155) 188(117) 105(65) ment by the station rebroadcasting, C to C ...... 270(168) 209(130) 105(65) are not considered arrangements with a network organization. The term ‘‘ar- [54 FR 9802, Mar. 8, 1989, as amended at 54 FR rangement‘‘ means any contract, ar- 35340, Aug. 25, 1989; 56 FR 57294, Nov. 8, 1991; rangement or understanding, express 57 FR 46325, Oct. 8, 1992] or implied. [42 FR 16422, Mar. 28, 1977, as amended at 57 § 73.220 Restrictions on use of chan- FR 48333, Oct. 23, 1992] nels. (a) The frequency 89.1 MHz (channel § 73.239 Use of common antenna site. 206) is revised in the No FM broadcast station license or metropolitan area for the use of the renewal of FM broadcast station li- United Nations with the equivalent of cense will be granted to any person an antenna height of 150 meters (492 who owns, leases, or controls a particu- feet) above average terrain and effec- lar site which is peculiarly suitable for tive radiated power of 20 kWs, and the FM broadcasting in a particular area FCC will make no assignments which and (a) which is not available for use would cause objectionable interference by other FM broadcast station licens- with such use. ees; and (b) no other comparable site is (b) In Alaska, FM broadcast stations available in the area; and (c) where the operating on Channels 221–300 (92.1– exclusive use of such site by the appli- 107.9 MHz) shall not cause harmful in- cant or licensee would unduly limit the terference to and must accept inter- number of FM broadcast stations that ference from non-Government fixed op- can be authorized in a particular area

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or would unduly restrict competition (b) Direct method. The direct method among FM broadcast stations. of power determination for an FM sta- tion uses the indications of a cali- [28 FR 13623, Dec. 14, 1963] brated transmission line meter (respon- § 73.258 Indicating instruments. sive to relative voltage, current, or power) located at the RF output termi- (a) Each FM broadcast station shall nals of the transmitter. This meter be equipped with indicating instru- must be calibrated whenever there is ments which conform with the speci- any indication that the calibration is fications described in § 73.1215 for deter- inaccurate or whenever any component mining power by the indirect method; of the metering circuit is repaired or for indicating the relative amplitude of replaced. The calibration must cover, the transmission line radio frequency as a minimum, the range from 90% to current, voltage, or power; and with 105% of authorized power. The meter such other instruments as are nec- calibration may be checked by measur- essary for the proper adjustment, oper- ing the power at the transmitter termi- ation, and maintenance of the trans- nals while either: mitting system. (1) Operating the transmitter into (b) The function of each instrument the transmitting antenna, and deter- shall be clearly and permanently mining actual operating power by the shown in the instrument itself or on indirect method described in § 73.267(c); the panel immediately adjacent there- or to. (2) Operating the transmitter into a (c) In the event that any one of these load (of substantially zero reactance indicating instruments becomes defec- and a resistance equal to the trans- tive when no substitute which con- mission line characteristic impedance) forms with the required specifications and using an electrical device (within is available, the station may be oper- ±5% accuracy) or temperature and ated without the defective instrument coolant flow indicator (within ±4% ac- pending its repair or replacement for a curacy) to determine the power. period not in excess of 60 days without further authority of the FCC: Provided (3) The calibration must cover, as a that, if the defective instrument is the minimum, the range from 90% to 105% transmission line meter of a station of authorized power and the meter which determines the output power by must provide clear indications which the direct method, the operating power will permit maintaining the operating shall be determined by the indirect power within the prescribed tolerance method in accordance with § 73.267(c) or the meter shall be calibrated to read during the entire time the station is directly in power units. operated without the transmission line (c) Indirect method. The operating meter. power is determined by the indirect (d) If conditions beyond the control method by applying an appropriate fac- of the licensee prevent the restoration tor to the input power to the last of the meter to service within the radio-frequency power amplifier stage above allowed period, informal request of the transmitter, using the following in accordance with § 73.3549 may be formula: filed with the Engineer in Charge of Transmitter output power=Ep x Ip x F the radio district in which the station is located for such additional time as Where: may be required to complete repairs of Ep=DC input voltage of final radio stage. the defective instrument. Ip=Total DC input current of final radio stage. [41 FR 36818, Sept. 1, 1976, as amended at 48 F=Efficiency factor. FR 44805, Sept. 30, 1983; 50 FR 32416, Aug. 12, 1985] (1) If the above formula is not appro- priate for the design of the transmitter § 73.267 Determining operating power. final amplifier, use a formula specified (a) The operating power of each FM by the transmitter manufacturer with station is to be determined by either other appropriate operating param- the direct or indirect method. eters.

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(2) The value of the efficiency factor, mental authorization and the provi- F, established for the authorized trans- sions of this part of the rules. mitter output power is to be used for [29 FR 7471, June 10, 1964. Redesignated at 39 maintaining the operating power, even FR 38655, Nov. 1, 1974 and amended at 48 FR though there may be some variation in 28454, June 22, 1983] F over the power operating range of the transmitter. § 73.293 Use of FM multiplex subcar- (3) The value of F is to be determined riers. and a record kept thereof by one of the Licensees of FM broadcast stations following procedures listed in order of may transmit, without further author- preference: ization, subcarrier communication (i) Using the most recent measure- services in accordance with the provi- ment data for calibration of the trans- sions of §§ 73.319 and 73.322. mission line meter according to the procedures described in paragraph (b) [51 FR 17028, May 8, 1986] of this section or the most recent § 73.295 FM subsidiary communica- measurements made by the licensee es- tions services. tablishing the value of F. In the case of composite transmitters or those in (a) Subsidiary communication serv- which the final amplifier stages have ices are those transmitted on a subcar- been modified pursuant to FCC ap- rier within the FM baseband signal, proval, the licensee must furnish the but do not include services which en- FCC and also retain with the station hance the main program broadcast records the measurement data used as service, or exclusively relate to station a basis for determining the value of F. operations (see § 73.293). Subsidiary (ii) Using measurement data shown communications include, but are not on the transmitter manufacturer’s test limited to services such as functional data supplied to the licensee; Provided, music, specialized foreign language That measurements were made at the programs, radio reading services, util- authorized frequency and transmitter ity load management, market and fi- output power. nancial data and news, paging and call- (iii) Using the transmitter manufac- ing, traffic control signal switching, bi- turer’s measurement data submitted to lingual television audio, and point to the FCC for type acceptance and as point or multipoint messages. shown in the instruction book supplied (b) FM subsidiary communications to the licensee. services that are common carrier in na- ture are subject to common carrier reg- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, ulation. Licensees operating such serv- 1068, 1082 (47 U.S.C. 154, 155, 303)) ices are required to apply to the FCC [44 FR 58731, Oct. 11, 1979, as amended at 45 for the appropriate authorization and FR 28141, Apr. 28, 1980; 48 FR 38479, Aug. 24, to comply with all policies and rules 1983; 49 FR 4210, Feb. 3, 1984; 49 FR 49851, Dec. applicable to the service. Responsibil- 24, 1984] ity for making the initial determina- tions of whether a particular activity § 73.277 Permissible transmissions. is common carriage rests with the FM (a) No FM broadcast licensee or per- station licensee. Initial determinations mittee shall enter into any agreement, by licensees are subject to FCC exam- arrangement or understanding, oral or ination and may be reviewed at the written, whereby it undertakes to sup- FCC’s discretion. ply, or receives consideration for sup- (c) Subsidiary communications serv- plying, on its main channel a func- ices are of a secondary nature under tional music, background music, or the authority of the FM station au- other subscription service (including thorization, and the authority to pro- storecasting) for reception in the place vide such communications services or places of business of any subscriber. may not be retained or transferred in (b) The transmission (or interrup- any manner separate from the station’s tion) of radio energy in the FM broad- authorization. The grant or renewal of cast band is permissible only pursuant an FM station permit or license is not to a station license, program test au- furthered or promoted by proposed or thority, construction permit, or experi- past services. The permittee or licensee

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must establish that the broadcast oper- directions may be used. (See § 73.313(d).) ation is in the public interest wholly Where circular or elliptical polariza- apart from the subsidiary communica- tion is used, the antenna height above tions services provided. average terrain must be based upon the (d) The station identification, de- height of the radiation of the antenna layed recording and sponsor identifica- that transmits the horizontal compo- tion announcements required by nent of radiation. §§ 73.1201, 73.1208, and 73.1212 are not ap- Antenna power gain. The square of the plicable to material transmitted under ratio of the root-mean-square (RMS) an SCA. free space field strength produced at 1 (e) The licensee or permittee must kilometer in the horizontal plane in retain control over all material trans- millivolts per meter for 1 kW antenna mitted in a broadcast mode via the sta- input power to 221.4 mV/m. This ratio tion’s facilities, with the right to re- is expressed in decibels (dB). If speci- ject any material that it deems inap- fied for a particular direction, antenna propriate or undesirable. power gain is based on that field [48 FR 28454, June 22, 1983, as amended at 48 strength in the direction only. FR 44805, Sept. 30, 1983; 49 FR 33663, Aug. 15, Auxiliary facility. An auxiliary facil- 1984; 50 FR 32416, Aug. 12, 1985; 57 FR 48333, ity is an antenna separate from the Oct. 23, 1992] main facility’s antenna, permanently installed on the same tower or at a dif- § 73.297 FM stereophonic sound broad- ferent location, from which a station casting. may broadcast for short periods with- (a) An FM broadcast station may, out prior Commission authorization or without specific authority from the notice to the Commission while the FCC, transmit stereophonic (biphonic, main facility is not in operation (e.g., quadraphonic, etc.) sound programs where tower work necessitates turning upon installation of stereophonic sound off the main antenna or where light- transmitting equipment under the pro- ning has caused damage to the main visions of §§ 2.1001, 73.322, and 73.1590 of antenna or transmission system) (See the Rules. Prior to commencement of § 73.1675). stereophonic sound broadcasting, Center frequency. The term ‘‘center equipment performance measurements frequency’’ means: must be made to ensure that the trans- (1) The average frequency of the mitted signal complies with all appli- emitted wave when modulated by a si- cable rules and standards. nusoidal signal. (b) Each licensee or permittee engag- (2) The frequency of the emitted wave ing in multichannel broadcasting must without modulation. measure the pilot subcarrier frequency Composite antenna pattern. The com- as often as necessary to ensure that it posite antenna pattern is a relative is kept at all times within 2 Hz of the field horizontal plane pattern for 360 authorized frequency. degrees of azimuth, for which the value [48 FR 28454, June 22, 1983, and 48 FR 38479, at a particular azimuth is the greater Aug. 24, 1983] of the horizontally polarized or verti- cally polarized component relative § 73.310 FM technical definitions. field values. The composite antenna (a) Frequency modulation. pattern is normalized to a maximum of Antenna height above average terrain unity (1.000) relative field. (HAAT). HAAT is calculated by: deter- Composite baseband signal. A signal mining the average of the antenna which is composed of all program and heights above the terrain from 3 to 16 other communications signals that fre- kilometers (2 to 10 miles) from the an- quency modulates the FM carrier. tenna for the eight directions evenly Effective radiated power. The term ‘‘ef- spaced for each 45° of azimuth starting fective radiated power’’ means the with True North (a different antenna product of the antenna power (trans- height will be determined in each di- mitter output power less transmission rection from the antenna): and comput- line loss) times: (1) The antenna power ing the average of these separate gain, or (2) the antenna field gain heights. In some cases less than eight squared. Where circular or elliptical

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polarization is employed, the term ef- lating signal to be measured after pre- fective radiated power is applied sepa- emphasis, if used) and the instanta- rately to the horizontal and vertical neous radio frequency is independent of components of radiation. For alloca- the frequency of the modulating signal. tion purposes, the effective radiated Frequency swing. The peak difference power authorized is the horizontally between the maximum and the mini- polarized component of radiation only. mum values of the instantaneous fre- Equivalent isotropically radiated power quency of the carrier wave during mod- (EIRP). The term ‘‘equivalent ulation. isotropically radiated power (also Multiplex transmission. The term known as ‘‘effective radiated power ‘‘multiplex transmission’’ means the above isotropic) means the product of simultaneous transmission of two or the antenna input power and the an- more signals within a single channel. tenna gain in a given direction relative Multiplex transmission as applied to to an isotropic antenna. FM broadcast stations means the FM Blanketing. Blanketing is that transmission of facsimile or other sig- form of interference to the reception of nals in addition to the regular broad- other broadcast stations which is cast signals. caused by the presence of an FM broad- cast signal of 115 dBu (562 mV/m) or Percentage modulation. The ratio of greater signal strength in the area ad- the actual frequency deviation to the jacent to the antenna of the transmit- frequency deviation defined as 100% ting station. The 115 dBu contour is re- modulation, expressed in percentage. ferred to as the blanketing contour and For FM broadcast stations, a frequency the area within this contour is referred deviation of ±75kHz is defined as 100% to as the blanketing area. modulation. FM broadcast band. The band of fre- (b) Stereophonic sound broadcasting. quencies extending from 88 to 108 MHz, Cross-talk. An undesired signal occur- which includes those assigned to non- ring in one channel caused by an elec- commercial educational broadcasting. trical signal in another channel. FM broadcast channel. A band of fre- FM stereophonic broadcast. The trans- quencies 200 kHz wide and designated mission of a stereophonic program by a by its center frequency. Channels for single FM broadcast station utilizing FM broadcast stations begin at 88.1 the main channel and a stereophonic MHz and continue in successive steps subchannel. of 200 kHz to and including 107.9 MHz. Left (or right) signal. The electrical FM broadcast station. A station em- output of a microphone or combination ploying frequency modulation in the of microphones placed so as to convey FM broadcast band and licensed pri- the intensity, time, and location of marily for the transmission of radio- sounds originating predominately to telephone emissions intended to be re- the listener’s left (or right) of the cen- ceived by the general public. ter of the performing area. Field strength. The electric field Left (or right) stereophonic channel. strength in the horizontal plane. The left (or right) signal as electrically Free space field strength. The field reproduced in reception of FM ster- strength that would exist at a point in eophonic broadcasts. the absence of waves reflected from the earth or other reflecting objects. Main channel. The band of fre- Frequency departure. The amount of quencies from 50 to 15,000 Hz which fre- variation of a carrier frequency or cen- quency-modulate the main carrier. ter frequency from its assigned value. Pilot subcarrier. A subcarrier that Frequency deviation. The peak dif- serves as a control signal for use in the ference between modulated wave and reception of FM stereophonic sound the carrier frequency. broadcasts. Frequency modulation. A system of Stereophonic separation. The ratio of modulation where the instantaneous the electrical signal caused in sound radio frequency varies in proportion to channel A to the signal caused in sound the instantaneous amplitude of the channel B by the transmission of only modulating signal (amplitude of modu- a channel B signal. Channels A and B

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may be any two channels of a stereo- (2) In connection with problems of phonic sound broadcast transmission coverage arising out of application of system. § 73.3555. Stereophonic sound. The audio infor- (3) In determining compliance with mation carried by plurality of channels § 73.315(a) concerning the minimum arranged to afford the listener a sense field strength to be provided over the of the spatial distribution of sound principal community to be served. sources. Stereophonic sound broadcast- (4) In determining compliance with ing includes, but is not limited to, § 73.215 concerning contour protection. biphonic (two channel), triphonic [28 FR 13623, Dec. 14, 1963, as amended at 31 (three channel) and quadrophonic (four FR 10126, July 27, 1966; 32 FR 11471, Aug. 9, channel) program services. 1967; 52 FR 10570, Apr. 2, 1987; 54 FR 9802, Mar. Stereophonic sound subcarrier. A sub- 8, 1989] carrier within the FM broadcast baseband used for transmitting signals § 73.312 Topographic data. for stereophonic sound reception of the (a) In the preparation of the profile main broadcast program service. graphs previously described, and in de- Stereophonic sound subchannel. The termining the location and height band of frequencies from 23 kHz to 99 above mean sea level of the antenna kHz containing sound subcarriers and site, the elevation or contour intervals their associated sidebands. shall be taken from United States Geo- (c) Visual transmissions. Communica- logical Survey Topographic Quadrangle tions or message transmitted on a sub- Maps, United States Army Corps of En- carrier intended for reception and vis- gineers Maps or Tennessee Valley Au- ual presentation on a viewing screen, thority maps, whichever is the latest, teleprinter, facsimile printer, or other for all areas for which such maps are form of graphic display or record. available. If such maps are not pub- (d) Control and telemetry transmissions. lished for the area in question, the next Signals transmitted on a multiplex best topographic information should be subcarrier intended for any form of used. Topographic data may sometimes control and switching functions or for be obtained from state and municipal equipment status data and aural or vis- agencies. The data from the Sectional ual alarms. Aeronautical Charts (including bench marks) or railroad depot elevations and [28 FR 13623, Dec. 14, 1963, as amended at 39 highway elevations from road maps FR 10575, Mar. 21, 1974; 44 FR 36038, June 20, may be used where no better informa- 1979; 48 FR 28454, June 22, 1983; 48 FR 29507, tion is available. In cases where lim- June 27, 1983; 48 FR 37216, Aug. 17, 1983; 49 FR ited topographic data can be obtained, 45145, Nov. 15, 1984; 57 FR 48333, Oct. 23, 1992; 62 FR 51058, Sept. 30, 1997] use may be made of an altimeter in a car driven along roads extending gen- EFFECTIVE DATE NOTE: At 62 FR 51058, erally radially from the transmitter Sept. 30, 1997, § 73.310 was amended by adding site. the definitions Auxiliary facility and Compos- (b) The Commission will not ordi- ite antenna pattern, effective Dec. 1, 1997. narily require the submission of typo- § 73.311 Field strength contours. graphical maps for areas beyond 24 km (15 miles) from the antenna site, but (a) Applications for FM broadcast au- the maps must include the principal thorizations must show the field city or cities to be served. If it appears strength contours required by FCC necessary additional data may be re- Form 301 or FCC Form 340, as appro- quested. priate. (c) The U.S. Geological Survey To- (b) The field strength contours pro- pography Quadrangle Sheets may be vided for in this section shall be con- obtained from the U.S. Geological Sur- sidered for the following purposes only: vey Department of the Interior, Wash- (1) In the estimation of coverage re- ington, DC 20240. The Sectional Aero- sulting from the selection of a particu- nautical Charts are available from the lar transmitter site by an applicant for U.S. Coast and Geodetic Survey, De- an FM broadcast station. partment of Commerce, Washington,

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DC 20235. These maps may also be se- such areas, determined by considering cured from branch offices and from au- the appropriate vertical radiation pat- thorized agents or dealers in most prin- tern. cipal cities. (d) The antenna height to be used (d) In lieu of maps, the average ter- with this chart is the height of the ra- rain elevation may be computer gen- diation center of the antenna above the erated except in cases of dispute, using average terrain along the radial in elevations from a 30 second, point or question. In determining the average better topographic data file. The file elevation of the terrain, the elevations must be identified and the data proc- between 3 and 16 kilometers from the essed for intermediate points along antenna site are used. each radial using linear interpolation (1) Profile graphs must be drawn for techniques. The height above mean sea eight radials beginning at the antenna level of the antenna site must be ob- site and extending 16 kilometers there- tained manually using appropriate from. The radials should be drawn for topographic maps. each 45° of azimuth starting with True [28 FR 13623, Dec. 14, 1963, as amended at 31 North. At least one radial must include FR 10126, July 27, 1966; 49 FR 48937, Dec. 17, the principal community to be served 1984; 58 FR 44950, Aug. 25, 1993] even though it may be more than 16 § 73.313 Prediction of coverage. kilometers from the antenna site. How- ever, in the event none of the evenly (a) All predictions of coverage made spaced radials include the principal pursuant to this section shall be made community to be served, and one or without regard to interference and more such radials are drawn in addi- shall be made only on the basis of esti- tion, these radials must not be used in mated field strengths. computing the antenna height above (b) Predictions of coverage shall be average terrain. made only for the same purposes as re- (2) Where the 3 to 16 kilometers por- late to the use of field strength con- tion of a radial extends in whole or in tours as specified in § 73.311. (c) In predicting the distance to the part over a large body of water or ex- field strength contours, the F(50,50) tends over foreign territory but the 50 field strength chart, Figure 1 of § 73.333 uV/m contour encompasses land area must be used. The 50% field strength is within the United States beyond the 16 defined as that value exceeded for 50% kilometers portion of the radial, the of the time. entire 3 to 16 kilometers portion of the (1) The F(50,50) chart gives the esti- radial must be included in the com- mated 50% field strengths exceeded at putation of antenna height above aver- 50% of the locations in dB above 1 uV/ age terrain. However, where the 50 uV/ m. The chart is based on an effective m contour does not so encompass Unit- power radiated from a half-wave dipole ed States land area and (i) the entire 3 antenna in free space, that produces an to 16 kilometers portion of the radial unattenuated field strength at 1 kilo- extends over large bodies of water or meter of about 107 dB above 1 uV/m foreign territory, such radial must be (221.4 mV/m). completely omitted from the computa- (2) To use the chart for other ERP tion of antenna height above average values, convert the ordinate scale by terrain, and (ii) where a part of the 3 to the appropriate adjustment in dB. For 16 kilometers portion of a radial ex- example, the ordinate scale for an ERP tends over large bodies of water or for- of 50 kW (17 dBk) should be adjusted by eign territory, only that part of the ra- 17 dB and, therefore, a field strength of dial extending from the 3 kilometers 40 dBu would be converted to 57 dBu. sector to the outermost portion of land When predicting the distance to field area within the United States covered strength contours, use the maximum by the radial must be used in the com- ERP of the main radiated lobe in the putation of antenna height above aver- pertinent azimuthal direction. When age terrain. predicting field strengths over areas (3) The profile graph for each radial not in the plane of the maximum main should be plotted by contour intervals lobe, use the ERP in the direction of of from 12 to 30 meters and, where the

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data permits, at least 50 points of ele- (ii) Same as paragraph (d)(4)(i) of this vation (generally uniformly spaced) section, except the 0° radial is entirely should be used for each radial. In in- over sea water. The antenna height stances of very rugged terrain where above average terrain is computed as the use of contour intervals of 30 me- follows (note that the divisor is 7 not ters would result in several points in a 8): short distance, 60 or 120 meter contour (255+185+90 10 85+40+85)/7=80 meters. intervals may be used for such dis- ¥ ¥ tances. On the other hand, where the (iii) Same as paragraph (d)(4)(i) of terrain is uniform or gently sloping the this section, except that only the first smallest contour interval indicated on 10 kilometers of the 90° radial are in the topographic map should be used, al- the United States; beyond 10 kilo- though only relatively few points may meters the 90° radial is in a foreign be available. The profile graph should country. The height above average ter- indicate the topography accurately for rain of the 3 to 10 kilometer portion of each radial, and the graphs should be the 90° radial is 105 meters. The an- plotted with the distance in kilometers tenna height above average terrain is as the abscissa and the elevation in computed as follows (note that the di- meters above mean sea level as the or- visor is 8 not 7.5): dinate. The profile graphs should indi- (120+255+105+90 10 85+40+85)/8=75 meters. cate the source of the topographical ¥ ¥ data used. The graph should also show (e) In cases where the terrain in one the elevation of the center of the radi- or more directions from the antenna ating system. The graph may be plot- site departs widely from the average ted either on rectangular coordinate elevation of the 3 to 16 kilometer sec- paper or on special paper that shows tor, the prediction method may indi- the curvature of the earth. It is not cate contour distances that are dif- necessary to take the curvature of the ferent from what may be expected in earth into consideration in this proce- practice. For example, a mountain dure as this factor is taken care of in ridge may indicate the practical limit the charts showing signal strengths. of service although the prediction The average elevation of the 13 kilo- method may indicate otherwise. In meter distance between 3 and 16 kilo- such cases, the prediction method meters from the antenna site should should be followed, but a supplemental then be determined from the profile showing may be made concerning the graph for each radial. This may be ob- contour distances as determined by tained by averaging a large number of other means. Such supplemental equally spaced points, by using a pla- showings should describe the procedure nimeter, or by obtaining the median used and should include sample cal- elevation (that exceeded for 50% of the culations. Maps of predicted coverage distance) in sectors and averaging should include both the coverage as those values. predicted by the regular method and as (4) Examples of HAAT calculations: predicted by a supplemental method. (i) The heights above average terrain When measurements of area are re- on the eight radials are as follows: quired, these should include the area obtained by the regular prediction Meters method and the area obtained by the 0° ...... 120 supplemental method. In directions 45° ...... 255 where the terrain is such that antenna 90° ...... 185 heights less than 30 meters for the 3 to 135° ...... 90 180° ...... ¥10 16 kilometer sector are obtained, an as- 225° ...... ¥85 sumed height of 30 meters must be used 270° ...... 40 for the prediction of coverage. How- 315° ...... 85 ever, where the actual contour dis- tances are critical factors, a supple- The antenna height above terrain mental showing of expected coverage (defined in § 73.310(a)) is computed as must be included together with a de- follows: scription of the method used in predict- (120+255+185+90¥10¥85+40+85)/8=85 meters. ing such coverage. In special cases, the

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FCC may require additional informa- (j) Alternatively, the terrain rough- tion as to terrain and coverage. ness correction may be computed using (f) The effect of terrain roughness on the following formula: the predicted field strength of a signal ∆F=1.9¥0.03(∆h)(1+f/300) at points distant from an FM transmit- ting antenna is assumed to depend on Where: the magnitude of a terrain roughness ∆F=terrain roughness correction in dB factor (h) which, for a specific propaga- ∆k=terrain roughness factor in meters tion path, is determined by the charac- f=frequency of signal in MHz (MHz) teristics of a segment of the terrain (Secs. 4, 5, 303, 48 Stat., as amended, 1066, profile for that path 40 kilometers in 1068, 1082 (47 U.S.C. 154, 155, 303)) length located between 10 and 50 kilo- [28 FR 13623, Dec. 14, 1963, as amended at 40 meters from the antenna. The terrain FR 27678, July 1, 1975; 48 FR 29507, June 27, roughness factor has a value equal to 1983; 52 FR 11655, Apr. 10, 1987; 52 FR 37789, the distance, in meters, between ele- Oct. 9, 1987; 57 FR 48333, Oct. 23, 1992] vations exceeded by all points on the EFFECTIVE DATE NOTE: At 42 FR 25736, May profile for 10% and 90% respectively, of 19, 1977, the effective date of § 73.313 para- the length of the profile segment. (See graphs (i) and (j) was stayed indefinitely. § 73.333, Figure 4.) (g) If the lowest field strength value § 73.314 Field strength measurements. of interest is initially predicted to (a) Except as provided for in § 73.209, occur over a particular propagation FM broadcast stations shall not be pro- path at a distance that is less than 50 tected from any type of interference or kilometers from the antenna, the ter- propagation effect. Persons desiring to rain profile segment used in the deter- submit testimony, evidence or data to mination of terrain roughness factor the Commission for the purpose of over that path must be that included showing that the technical standards between points 10 kilometers from the contained in this subpart do not prop- transmitter and such lesser distances. erly reflect the levels of any given type No terrain roughness correction need of interference or propagation effect be applied when all field strength val- may do so only in appropriate rule ues of interest are predicted to occur 10 making proceedings concerning the kilometers or less from the transmit- amendment of such technical stand- ting antenna. ards. Persons making field strength (h) Profile segments prepared for ter- measurements for formal submission to rain roughness factor determinations the Commission in rule making pro- are to be plotted in rectangular coordi- ceedings, or making such measure- nates, with no less than 50 points even- ments upon the request of the Commis- ly spaced within the segment using sion, shall follow the procedure for data obtained from topographic maps making and reporting such measure- with contour intervals of approxi- ments outlined in paragraph (b) of this mately 15 meters (50 feet) or less if section. In instances where a showing available. of the measured level of a signal pre- (i) The field strength charts (§ 73.333, vailing over a specific community is Figs. 1–1a) were developed assuming a appropriate, the procedure for making terrain roughness factor of 50 meters, and reporting field strength measure- which is considered to be representa- ments for this purpose is set forth in tive of average terrain in the United paragraph (c) of this section. States. Where the roughness factor for (b) Collection of field strength data a particular propagation path is found for propagation analysis. to depart appreciably from this value, (1) Preparation for measurements. (i) a terrain roughness correction (∆F) On large scale topographic maps, eight should be applied to field strength val- or more radials are drawn from the ues along this path, as predicted with transmitter location to the maximum the use of these charts. The magnitude distance at which measurements are to and sign of this correction, for any be made, with the angles included be- value of ∆h, may be determined from a tween adjacent radials of approxi- chart included in § 73.333 as Figure 5. mately equal size. Radials should be

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oriented so as to traverse representa- (vii) If, during the test conducted as tive types of terrain. The specific num- described in paragraph (b)(2)(iii) of this ber of radials and their orientation section, the strongest signal is found to should be such as to accomplish this come from a direction other than from objective. the transmitter, after the mobile run (ii) Each radial is marked, at a point prescribed in paragraph (b)(2)(v) of this exactly 16 kilometers from the trans- section is concluded, additional meas- mitter and, at greater distances, at urements must be made in a ‘‘cluster’’ successive 3 kilometer intervals. Where of at least five fixed points. At each measurements are to be conducted over such point, the field strengths with the extremely rugged terrain, shorter in- antenna oriented toward the transmit- tervals may be used, but all such inter- ter, and with the antenna oriented so vals must be of equal length. Acces- as to receive the strongest field, are sible roads intersecting each radial as measured and recorded. Generally, all nearly as possible at each 3 kilometer points should be within 60 meters of marker are selected. These intersec- the center point of the mobile run. tions are the points on the radial at (viii) If overhead obstacles preclude a which measurements are to be made, mobile run of at least 30 meters, a and are referred to subsequently as ‘‘cluster’’ of five spot measurements measuring locations. The elevation of may be made in lieu of this run. The each measuring location should ap- first measurement in the cluster is proach the elevation at the correspond- identified. Generally, the locations for ing 3 kilometer marker as nearly as other measurements must be within 60 possible. meters of the location of the first. (2) Measurement procedure. All meas- (3) Method of reporting measurements. urements must be made utilizing a re- A report of measurements to the Com- ceiving antenna designed for reception mission shall be submitted in affidavit of the horizontally polarized signal form, in triplicate, and should contain component, elevated 9 meters above the following information: the roadbed. At each measuring loca- (i) Tables of field strength measure- tion, the following procedure must be ments, which, for each measuring loca- used: tion, set forth the following data: (i) The instrument calibration is (A) Distance from the transmitting checked. antenna. (ii) The antenna is elevated to a (B) Ground elevation at measuring height of 9 meters. location. (iii) The receiving antenna is rotated (C) Date, time of day, and weather. to determine if the strongest signal is (D) Median field in dBu for 0 dBk, for arriving from the direction of the mobile run or for cluster, as well as transmitter. maximum and minimum measured (iv) The antenna is oriented so that field strengths. the sector of its response pattern over (E) Notes describing each measuring which maximum gain is realized is in location. the direction of the transmitter. (ii) U.S. Geological Survey topo- (v) A mobile run of at least 30 meters graphic maps, on which is shown the is made, that is centered on the inter- exact location at which each measure- section of the radial and the road, and ment was made. The original plots the measured field strength is continu- shall be made on maps of the largest ously recorded on a chart recorder over available scale. Copies may be reduced the length of the run. in size for convenient submission to (vi) The actual measuring location is the Commission, but not to the extent marked exactly on the topographic that important detail is lost. The origi- map, and a written record, keyed to nal maps shall be made available, if re- the specific location, is made of all fac- quested. If a large number of maps is tors which may affect the recorded involved, an index map should be sub- field, such as topography, height and mitted. types of vegetation, buildings, obsta- (iii) All information necessary to de- cles, weather, and other local features. termine the pertinent characteristics

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of the transmitting installation, in- the horizontally polarized signal com- cluding frequency, geographical coordi- ponent, elevated 9 meters above ground nates of antenna site, rated and actual level. power output of transmitter, measured (i) Each measuring location shall be transmission line loss, antenna power chosen as close as feasible to a point gain, height of antenna above ground, indicated on the map, as previously above mean sea level, and above aver- prepared, and at as nearly the same age terrain. The effective radiated elevation as that point as possible. power should be computed, and hori- (ii) At each measuring location, after zontal and vertical plane patterns of equipment calibration and elevation of the transmitting antenna should be the antenna, a check is made to deter- submitted. mine whether the strongest signal ar- (iv) A list of calibrated equipment rives from a direction other than from used in the field strength survey, the transmitter. which, for each instrument, specifies (iii) At 20 percent or more of the its manufacturer, type, serial number measuring locations, mobile runs, as and rated accuracy, and the date of its described in paragraph (b)(2) of this most recent calibration by the manu- section shall be made, with no less facturer, or by a laboratory. Complete than three such mobile runs in any details of any instrument not of stand- case. The points at which mobile meas- ard manufacture shall be submitted. urements are made shall be well sepa- (v) A detailed description of the cali- rated. Spot measurements may be bration of the measuring equipment, made at other measuring points. including field strength meters, meas- uring antenna, and connecting cable. (iv) Each actual measuring location (vi) Terrain profiles in each direction is marked exactly on the map of the in which measurements were made, community, and suitably keyed. A drawn on curved earth paper for equiv- written record shall be maintained, de- alent 4/3 earth radius, of the largest scribing, for each location, factors available scale. which may affect the recorded field, (c) Collection of field strength data such as the approximate time of meas- to determine FM broadcast service in urement, weather, topography, over- specific communities. head wiring, heights and types of vege- (1) Preparation for measurement. (i) tation, buildings and other structures. The population (P) of the community, The orientation, with respect to the and its suburbs, if any, is determined measuring location shall be indicated by reference to an appropriate source, of objects of such shape and size as to e.g., the 1970 U.S. Census tables of pop- be capable of causing shadows or re- ulation of cities and urbanized areas. flections. If the strongest signal re- (ii) The number of locations at which ceived was found to arrive from a di- measurements are to be made shall be rection other than that of the trans- at least 15, and shall be approximately mitter, this fact shall be recorded. equal to 0.1(P)1/2, if this product is a (3) Method of reporting measurements. number greater than 15. A report of measurements to the Com- (iii) A rectangular grid, of such size mission shall be submitted in affidavit and shape as to encompass the bound- form, in triplicate, and should contain aries of the community is drawn on an the following information: accurate map of the community. The (i) A map of the community showing number of line intersections on the each actual measuring location, spe- grid included within the boundaries of cifically identifying the points at the community shall be at least equal which mobile runs were made. to the required number of measuring (ii) A table keyed to the above map, locations. The position of each inter- showing the field strength at each section on the community map deter- measuring point, reduced to dBu for mines the location at which a measure- the actual effective radiated power of ment shall be made. the station. Weather, date, and time of (2) Measurement procedure. All meas- each measurement shall be indicated. urements must be made using a receiv- (iii) Notes describing each measuring ing antenna designed for reception of location.

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(iv) A topographic map of the largest should there be a major obstruction in available scale on which are marked this path. the community and the transmitter (c) The transmitting location should site of the station whose signals have be selected so that the 1 mV/m contour been measured, which includes all encompasses the urban population areas on or near the direct path of sig- within the area to be served. It is rec- nal propagation. ognized that topography, shape of the (v) Computations of the mean and desired service area, and population standard deviation of all measured distribution may make the choice of a field strengths, or a graph on which the transmitter location difficult. In such distribution of measured field strength cases consideration may be given to values is plotted. the use of a directional antenna sys- (vi) A list of calibrated equipment tem, although it is generally preferable used for the measurements, which for each instrument, specifies its manufac- to choose a site where a nondirectional turer, type, serial number and rated ac- antenna may be employed. curacy, and the date of its most recent (d) In cases of questionable antenna calibration by the manufacturer, or by locations it is desirable to conduct a laboratory. Complete details of any propagation tests to indicate the field instrument not of standard manufac- strength expected in the principal city ture shall be submitted. or cities to be served and in other (vii) A detailed description of the areas, particularly where severe shad- procedure employed in the calibration ow problems may be expected. In con- of the measuring equipment, including sidering applications proposing the use field strength meters, measuring an- of such locations, the Commission may tenna, and connecting cable. require site tests to be made. Such [40 FR 27682, July 1, 1975; 40 FR 28802, July 9, tests should include measurements 1975, as amended at 48 FR 29508, June 27, 1983] made in accordance with the measure- ment procedures described in § 73.314, § 73.315 FM transmitter location. and full data thereon shall be supplied (a) The transmitter location shall be to the Commission. The test transmit- chosen so that, on the basis of the ef- ter should employ an antenna having a fective radiated power and antenna height as close as possible to the pro- height above average terrain employed, posed antenna height, using a balloon a minimum field strength of 70 dB or other support if necessary and fea- above one uV/m (dBu), or 3.16 mV/m, sible. Information concerning the au- will be provided over the entire prin- thorization of site tests may be ob- cipal community to be served. tained from the Commission upon re- NOTE: The requirements of paragraph (a) of quest. this section do not apply to noncommercial (e) Cognizance must of course be educational FM broadcast stations operating taken regarding the possible hazard of on reserved channels. (Channels 200 through the proposed antenna structure to 220) aviation and the proximity of the pro- (b) The transmitter location should posed site to airports and airways. Pro- be chosen to maximize coverage to the cedures and standards with respect to city of license while minimizing inter- the Commission’s consideration of pro- ference. This is normally accomplished posed antenna structures which will by locating in the least populated area serve as a guide to persons intending to available while maintaining the provi- apply for radio station licenses are con- sions of paragraph (a) of this section. tained in Part 17 of this chapter (Con- In general, the transmitting antenna of struction, Marking, and Lighting of a station should be located in the most Antenna Structures). sparsely populated area available at the highest elevation available. The lo- [28 FR 13623, Dec. 14, 1963, as amended at 41 cation of the antenna should be so cho- FR 22943, June 8, 1976; 49 FR 38131, Sept. 27, sen that line-of-sight can be obtained 1984; 49 FR 45146, Nov. 15, 1984; 51 FR 9965, from the antenna over the principle Mar. 24, 1986; 52 FR 10570, Apr. 2, 1987] city or cities to be served; in no event

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§ 73.316 FM antenna systems. tern, the plot must be oriented such ° (a) It shall be standard to employ that 0 corresponds to the actual azi- horizontal polarization; however, cir- muth with respect to true North. The cular or elliptical polarization may be horizontal plane pattern must be plot- employed if desired. Clockwise or coun- ted to the largest scale possible on terclockwise rotation may be used. The unglazed letter-size polar coordinate supplemental vertically polarized effec- paper (main engraving approximately tive radiated power required for cir- 18 cm x 25 cm (7 inches x 10 inches)) cular or elliptical polarization shall in using only scale divisions and subdivi- no event exceed the effective radiated sions of 1, 2, 2.5, or 5 times 10-nth. Val- power authorized. ues of field strength less than 10% of (b) Directional antennas. A directional the maximum field strength plotted on antenna is an antenna that is designed that pattern must be shown on an en- or altered for the purpose of obtaining larged scale. In the case of a composite a non-circular radiation pattern. antenna composed of two or more indi- (1) Applications for the use of direc- vidual antennas, the pattern required tional antennas that propose a ratio of is that for the composite antenna, not maximum to minimum radiation in the the patterns for each of the individual horizontal plane of more than 15 dB antennas. will not be accepted. (3) A tabulation of the relative field (2) Directional antennas used to pro- pattern required in paragraph (c)(2) of tect short-spaced stations pursuant to this section. The tabulation must use § 73.213 or § 73.215 of the rules, that have the same zero degree reference as the a radiation pattern which varies more plotted pattern, and must contain val- than 2 dB per 10 degrees of azimuth will ues for at least every 10°. In addition, not be authorized. tabulated values of all maximas and (c) Applications for directional anten- minimas, with their corresponding azi- nas. Applications proposing the use of muths, must be submitted. directional antenna systems must be (4) Sufficient vertical patterns to in- accompanied by the following: dicate clearly the radiation character- (1) A complete description of the pro- istics of the antenna above and below posed antenna system, including the the horizontal plane. Complete infor- manufacturer and model number of the mation and patterns must be provided proposed directional antenna. It is not for angles of ±10° from the horizontal sufficient to label the antenna with plane and sufficient additional infor- only a generic term such as ‘‘dipole’’. A mation must be included on that por- specific model number must be pro- tion of the pattern lying between +10° vided. In the case of individually de- and the zenith and ¥10° and the nadir, signed antennas with no model num- to conclusively demonstrate the ab- ber, or in the case of a composite an- sence of undesirable lobes in these tenna composed of two or more individ- areas. The vertical plane pattern must ual antennas, the antenna must be de- be plotted on rectangular coordinate scribed as a ‘‘custom’’ or ‘‘composite’’ paper with reference to the horizontal antenna, as appropriate. A full descrip- plane. In the case of a composite an- tion of the design of the antenna must tenna composed of two or more individ- also be submitted. ual antennas, the pattern required is (2) A relative field horizontal plane that for the composite antenna, not pattern of the proposed directional an- the patterns for each of the individual tenna. A single pattern encompassing antennas. both the horizontal and vertical polar- (5) A statement that the antenna will ization is required, rather than sepa- be mounted on the top of an antenna rate patterns for horizontal and verti- tower recommended by the antenna cal polarization. A value of 1.0 must be manufacturer, or will be side-mounted used to correspond to the direction of on a particular type of antenna tower maximum radiation. The plot of the in accordance with specific instruc- pattern must be oriented such that 0° tions provided by the antenna manu- corresponds to the direction of maxi- facturer. mum radiation or alternatively, in the (6) A statement that the directional case of an asymmetrical antenna pat- antennas will not be mounted on the

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top of an antenna tower which includes must include a showing as to the ex- a top-mounted platform larger than pected effect, if any, of such approxi- the nominal cross-sectional area of the mate operation. tower in the horizontal plane. (e) Where an FM licensee or permit- (7) A statement that no other anten- tee proposes to mount its antenna on nas of any type are mounted on the an AM antenna tower, or locate within same tower level as a directional an- 3.2 km of an AM antenna tower, the FM tenna, and that no antenna of any type licensee or permittee must comply is mounted within any horizontal or with § 73.1692. vertical distance specified by the an- (f) When an FM broadcast antenna is tenna manufacturer as being necessary mounted on a nondirectional AM for proper directional operation. broadcast antenna, new resistance (8) In the case of applications for li- measurements must be made of the AM cense upon completion of antenna con- broadcast antenna after installation struction, a statement from an engi- and testing of the FM broadcast an- neer (as well as a statement of the en- gineer’s qualifications) that the an- tenna. During the installation and tenna has been installed pursuant to until the new resistance determination the manufacturer’s instructions and a is approved, the AM broadcast station statement from a licensed surveyor licensee should operate by the indirect that the antenna is installed in the method of power determination. The proper orientation. FM broadcast license application will (9) In the case of an application for li- not be considered until the application cense upon completion of antenna con- form concerning resistance measure- struction for a station authorized pur- ments is filed for the AM broadcast suant to § 73.215 or § 73.509, a showing station. that the root mean square (RMS) of the (g) When an FM broadcast antenna is measured composite antenna pattern mounted on an element of a AM broad- (encompassing both the horizontally cast directional antenna, a full engi- and vertically polarized radiation com- neering study concerning the effect of ponents (in relative field)) is at least 85 the FM broadcast antenna on the direc- percent of the RMS of the authorized tional pattern must be filed with the composite directional antenna pattern application concerning the AM broad- (in relative field). The RMS values, for cast station. Depending upon the indi- a composite antenna pattern specified vidual case, the Commission may re- in relative field values, may be deter- quire readjustment and certain field mined from the following formula: strength measurements of the AM RMS = the square root of: broadcast station following the com- pletion of the FM broadcast antenna [(relative field value 1)2+(]relative f ield value 2) 2 + ⋅⋅⋅ + (last relative field value) 2 number of relative field values summed system. (h) When the proposed FM antenna is where the relative field values are taken from at least 36 evenly spaced to be mounted on a tower in the vicin- radials for the entire 360 degrees of azi- ity of an AM station directional an- muth. The application for license must tenna system and it appears that the also demonstrate that coverage of the operation of the directional antenna community of license by the 70 dBu system may be affected, an engineering contour is maintained for stations au- study must be filed with the FM appli- thorized pursuant to § 73.215 on Chan- cation concerning the effect of the FM nels 221 through 300, as required by antenna on the AM directional radi- § 73.315(a), while noncommercial edu- ation pattern. Field strength measure- cational stations operating on Chan- ments of the AM station may be re- nels 201 through 220 must show that the quired prior to and following construc- 60 dBu contour covers at least a por- tion of the FM station antenna, and re- tion of the community of license. adjustments made as necessary. (d) Applications proposing the use of (i) Information regarding data re- FM transmitting antennas in the im- quired in connection with AM broad- mediate vicinity (i.e. 60 meters or less) cast directional antenna systems may of other FM or TV broadcast antennas be found in § 73.150 of this chapter. (See

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also AM Broadcast Technical Stand- (c) Any emission appearing on a fre- ards.) quency removed from the carrier by more than 240 kHz and up to and in- [28 FR 13623, Dec. 14, 1963, as amended at 34 FR 14222, Sept. 10, 1969; 37 FR 25841, Dec. 5, cluding 600 kHz must be attenuated at 1972; 43 FR 53738, Nov. 17, 1978; 48 FR 29508, least 35 dB below the level of the June 27, 1983; 51 FR 17028, May 8, 1986; 54 FR unmodulated carrier. 9804, Mar. 8, 1989; 56 FR 57294, Nov. 8, 1991; 58 (d) Any emission appearing on a fre- FR 44950, Aug. 25, 1993; 62 FR 51058, Sept. 30, quency removed from the carrier by 1997] more than 600 kHz must be attenuated EFFECTIVE DATE NOTE: At 62 FR 51058, at least 43 + 10 Log10 (Power, in watts) Sept. 30, 1997, § 73.316 was amended by adding dB below the level of the unmodulated paragraph (c)(9); by revising paragraph (e); carrier, or 80 dB, whichever is the less- and by removing paragraphs (f) through (i), er attenuation. effective Dec. 1, 1997. For the convenience of (e) Preemphasis shall not be greater the user, the superseded text is set forth as follows: than the impedance-frequency charac- teristics of a series inductance resist- § 73.316 FM antenna systems. ance network having a time constant of 75 microseconds. (See upper curve of * * * * * Figure 2 of § 73.333.) (e) In cases where it is proposed to use a [51 FR 17028, May 8, 1986] tower of a AM broadcast station as a sup- porting structure for an FM broadcast an- § 73.318 FM blanketing interference. tenna, an application for construction per- mit (or modification of construction permit) Areas adjacent to the transmitting for such AM broadcast station must be filed antenna that receive a signal with a for consideration with the FM application, strength of 115 dBu (562 mV/m) or only in the event the overall height of the greater will be assumed to be AM broadcast station tower changes. Appli- blanketed. In determining the cations may be required for other classes of blanketed area, the 115 dBu contour is stations when their towers are to be used in determined by calculating the inverse connection with FM stations. distance field using the effective radi- ated power of the maximum radiated * * * * * lobe of the antenna without consider- ing its vertical radiation pattern or § 73.317 FM transmission system re- height. For directional antennas, the quirements. effective radiated power in the perti- (a) FM broadcast stations employing nent bearing shall be used. transmitters authorized after January (a) The distance to the 115 dBu con- 1, 1960, must maintain the bandwidth tour is determined using the following occupied by their emissions in accord- equation: ance with the specification detailed below. FM broadcast stations employ- D (in kilometers)=0.394√ P ing transmitters installed or type ac- D (in miles)=0.245√ P cepted before January 1, 1960, must Where P is the maximum effective ra- achieve the highest degree of compli- diated power (ERP), measured in kilo- ance with these specifications prac- watts, of the maximum radiated lobe. ticable with their existing equipment. (b) After January 1, 1985, permittees In either case, should harmful inter- or licensees who either (1) commence ference to other authorized stations program tests, or (2) replace their an- occur, the licensee shall correct the tennas, or (3) request facilities modi- problem promptly or cease operation. fications and are issued a new con- (b) Any emission appearing on a fre- struction permit must satisfy all com- quency removed from the carrier by be- plaints of blanketing interference tween 120 kHz and 240 kHz inclusive which are received by the station dur- must be attenuated at least 25 dB ing a one year period. The period be- below the level of the unmodulated gins with the commencement of pro- carrier. Compliance with this require- gram tests, or commencement of pro- ment will be deemed to show the occu- gramming utilizing the new antenna. pied bandwidth to be 240 kHz or less. Resolution of complaints shall be at no

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cost to the complainant. These require- cant sidebands must be within the ments specifically do not include inter- range of 20 kHz to 99 kHz. ference complaints resulting from mal- (d) Subcarrier injection. functioning or mistuned receivers, im- (1) During monophonic program properly installed antenna systems, or transmissions, modulation of the car- the use of high gain antennas or an- rier by the arithmetic sum of all sub- tenna booster amplifiers. Mobile re- carriers may not exceed 30% referenced ceivers and non-RF devices such as to 75 kHz modulation deviation. How- tape recorders or hi-fi amplifiers (pho- ever, the modulation of the carrier by nographs) are also excluded. the arithmetic sum of all subcarriers (c) A permittee collocating with one above 75 kHz may not modulate the or more existing stations and begin- carrier by more than 10%. ning program tests on or after January (2) During stereophonic program 1, 1985, must assume full financial re- transmissions, modulation of the car- sponsibility for remedying new com- rier by the arithmetic sum of all sub- plaints of blanketing interference for a carriers may not exceed 20% referenced period of one year. Two or more per- to 75 kHz modulation deviation. How- mittees that concurrently collocate on ever, the modulation of the carrier by or after January 1, 1985, shall assume the arithmetic sum of all subcarriers shared responsibility for remedying above 75 kHz may not modulate the blanketing complaints within the blan- carrier by more than 10%. keting area unless an offending station (3) During periods when no broadcast can be readily determined and then program service is transmitted, modu- that station shall assume full financial lation of the carrier by the arithmetic responsibility. sum of all subcarriers may not exceed (d) Following the one year period of 30% referenced to 75 kHz modulation full financial obligation to satisfy deviation. However, the modulation of blanketing complaints, licensees shall the carrier by the arithmetic sum of all provide technical information or as- subcarriers above 75 kHz may not mod- sistance to complainants on remedies ulate the carrier by more than 10%. for blanketing interference. (4) Total modulation of the carrier wave during transmission of multiplex [28 FR 13623, Dec. 14, 1963, as amended at 52 subcarriers used for subsidiary commu- FR 25866, July 9, 1987] nications services must comply with the provisions § 73.1570(b). § 73.319 FM multiplex subcarrier tech- nical standards. (e) Subcarrier generators may be in- stalled and used with a type accepted (a) The technical specifications in FM broadcast transmitter without spe- this Section apply to all transmissions cific authorization from the FCC pro- of FM multiplex subcarriers except vided the generator can be connected those used for stereophonic sound to the transmitter without requiring broadcasts under the provisions of any mechanical or electrical modifica- § 73.322. tions in the transmitter FM exciter (b) Modulation. Any form of modula- circuits. tion may be used for subcarrier oper- (f) Stations installing multiplex sub- ation. carrier transmitting equipment must (c) Subcarrier baseband. (1) During ensure the proper suppression of spuri- monophonic program transmissions, ous or harmonic radiations. See multiplex subcarriers and their signifi- §§ 73.317, 73.1590 and 73.1690. If the sub- cant sidebands must be within the carrier operation causes the station’s range of 20 kHz to 99 kHz. transmissions not to comply with the (2) During stereophonic sound pro- technical provisions for FM broadcast gram transmissions (see § 73.322), multi- stations or causes harmful interference plex subcarriers and their significant to other communication services, the sidebands must be within the range of licensee or permittee must correct the 53 kHz to 99 kHz. problem promptly or cease operation. (3) During periods when broadcast The licensee may be required to verify programs are not being transmitted, the corrective measures with support- multiplex subcarriers and their signifi- ing data. Such data must be retained

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at the station and be made available to (i) When a signal exists in only one the FCC upon request. channel of a two channel (biphonic) sound transmission, modulation of the [48 FR 28455, June 22, 1983, as amended at 48 FR 37216, Aug. 17, 1983; 49 FR 15080, Apr. 17, carrier by audio components within the 1984; 49 FR 38131, Sept. 27, 1984; 50 FR 1534, baseband range of 50 Hz to 15 kHz shall Jan. 11, 1985; 51 FR 17029, May 8, 1986; 57 FR not exceed 45% and modulation of the 48333, Oct. 23, 1992] carrier by the sum of the amplitude modulated subcarrier in the baseband § 73.322 FM stereophonic sound trans- range of 23 kHz to 53 kHz shall not ex- mission standards. ceed 45%. (a) An FM broadcast station shall not (ii) When a signal exists in only one use 19 kHz ±20 Hz, except as the stereo- channel of a stereophonic sound trans- phonic pilot frequency in a trans- mission having more than one stereo- mission system meeting the following phonic subcarrier in the baseband, the parameters: modulation of the carrier by audio (1) The modulating signal for the components within the audio baseband main channel consists of the sum of range of 23 kHz to 99 kHz shall not ex- the right and left signals. ceed 53% with total modulation not to (2) The pilot subcarrier at 19 kHz ±2 exceed 90%. Hz, must frequency modulate the main (b) Stations not transmitting stereo carrier between the limits of 8 and 10 with the method described in (a), must percent. limit the main carrier deviation caused (3) One stereophonic subcarrier must by any modulating signals occupying be the second harmonic of the pilot the band 19 kHz ±20 Hz to 125 Hz. subcarrier (i.e. 38 kHz) and must cross (c) All stations, regardless of the the time axis with a positive slope si- stereophonic transmission system multaneously with each crossing of the used, must not exceed the maximum time axis by the pilot subcarrier. Addi- modulation limits specified in tional stereophomic subcarriers are not § 73.1570(b)(2). Stations not using the precluded. method described in (a), must limit the (4) Double sideband, suppressed-car- modulation of the carrier by audio rier, amplitude modulation of the components within the audio baseband stereophonic subcarrier at 38 kHz must range of 23 kHz to 99 kHz to not exceed be used. 53%. (5) The stereophonic subcarrier at 38 kHz must be suppressed to a level less [51 FR 17029, May 8, 1986] than 1% modulation of the main car- § 73.333 Engineering charts. rier. (6) The modulating signal for the re- This section consists of the following quired stereophonic subcarrier must be Figures 1, 1a, 2, and slider 4 and 5. equal to the difference of the left and NOTE: The figures reproduced herein, due right signals. to their small scale, are not to be used in (7) The following modulation levels connection with material submitted to the apply: F.C.C.

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(Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303)) [28 FR 13623, Dec. 14, 1963, as amended at 35 FR 2591, Feb. 5, 1970; 40 FR 27679, July 1, 1975; 45 FR 28141, Apr. 28, 1980; 48 FR 29508, June 27, 1983; 49 FR 19670, May 9, 1984]

EFFECTIVE DATE NOTE: At 42 FR 25736, May 19, 1977, the effective date of Figures 4 and 5 was stayed indefinitely.

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Subpart C—Noncommercial tion meets the requirements of any Educational FM Broadcast Stations state-wide plan for noncommercial educational FM broadcast stations § 73.501 Channels available for assign- filed with the Commission, provided ment. that such plans afford fair treatment (a) The following frequencies, except to public and private educational insti- as provided in paragraph (b) of this sec- tutions, urban and rural, at the pri- tion, are available for noncommercial mary, secondary, higher, and adult educational FM broadcasting: educational levels, and appear other- wise fair and equitable. Channel Frequency (MHz) No. [28 FR 13651, Dec. 14, 1963]

87.9 ...... 1 200 § 73.503 Licensing requirements and 88.1 ...... 201 service. 88.3 ...... 202 88.5 ...... 203 The operation of, and the service fur- 88.7 ...... 204 nished by noncommercial educational 88.9 ...... 205 FM broadcast stations shall be gov- 89.1 ...... 2 206 89.3 ...... 207 erned by the following: 89.5 ...... 208 (a) A noncommercial educational FM 89.7 ...... 209 broadcast station will be licensed only 89.9 ...... 210 90.1 ...... 211 to a nonprofit educational organization 90.3 ...... 212 and upon showing that the station will 90.5 ...... 213 be used for the advancement of an edu- 90.7 ...... 214 cational program. 90.9 ...... 215 91.1 ...... 216 (1) In determining the eligibility of 91.3 ...... 217 publicly supported educational organi- 91.5 ...... 218 zations, the accreditation of their re- 91.7 ...... 219 91.9 ...... 220 spective state departments of edu- cation shall be taken into consider- 1 The frequency 87.9 MHz, Channel 200, is available only for use of existing Class D stations required to change fre- ation. quency. It is available only on a noninterference basis with re- (2) In determining the eligibility of spect to TV Channel 6 stations and adjacent channel non- commercial educational FM stations. It is not available at all privately controlled educational orga- within 402 kilometers (250 miles) of Canada and 320 kilo- nizations, the accreditation of state de- meters (199 miles) of Mexico. The specific standards govern- ing its use are contained in § 73.512. partments of education and/or recog- 2 The frequency 89.1 MHz, Channel 206, in the New York nized regional and national educational City metropolitan area, is reserved for the use of the United Nations with the equivalent of an antenna height of 150 me- accrediting organizations shall be ters (492 feet) above average terrain and effective radiated taken into consideration. power of 20 kW and the Commission will make no assign- ments which would cause objectionable interference with such (b) Each station may transmit pro- use. grams directed to specific schools in a (b) In Alaska, FM broadcast stations system or systems for use in connec- operating on Channels 200–220 (87.9–91.9 tion with the regular courses as well as MHz) shall not cause harmful inter- routine and administrative material ference to and must accept inter- pertaining thereto and may transmit ference from non-Government fixed op- educational, cultural, and entertain- erations authorized prior to January 1, ment programs to the public. 1982. (c) A noncommercial educational FM broadcast station may broadcast pro- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, grams produced by, or at the expense 1068, 1082 (47 U.S.C. 154, 155, 303)) of, or furnished by persons other than [43 FR 39715, Sept. 6, 1978, as amended at 47 the licensee, if no other consideration FR 30068, July 12, 1982; 52 FR 43765, Nov. 16, than the furnishing of the program and 1987; 58 FR 44950, Aug. 25, 1993] the costs incidental to its production and broadcast are received by the li- § 73.502 State-wide plans. censee. The payment of line charges by In considering the assignment of a another station network, or someone channel for a noncommercial edu- other than the licensee of a non- cational FM broadcast station, the commercial educational FM broadcast Commission will take into consider- station, or general contributions to the ation the extent to which each applica- operating costs of a station, shall not

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be considered as being prohibited by (c) Section 73.208 of this chapter shall this paragraph. be complied with as to the determina- (d) Each station shall furnish a non- tion of reference points and distance profit and noncommercial broadcast computations used in applications for service. Noncommercial educational new or changed facilities. However, if FM broadcast stations are subject to it is necessary to consider a Mexican the provisions of § 73.1212 to the extent channel assignment or authorization, they are applicable to the broadcast of the computation of distance will be de- programs produced by, or at the ex- termined as follows: if a transmitter pense of, or furnished by others. No site has been established, on the basis promotional announcement on behalf of of the coordinates of the site; if a for profit entities shall be broadcast at transmitter site has not been estab- any time in exchange for the receipt, in lished, on the basis of the reference co- whole or in part, of consideration to ordinates of the community, town, or the licensee, its principals, or employ- city. ees. However, acknowledgements of [52 FR 43765, Nov. 16, 1987] contributions can be made. The sched- uling of any announcements and ac- § 73.505 Zones. knowledgements may not interrupt regu- For the purpose of assignment of lar programming. noncommercial educational FM sta- NOTE: Commission interpretation of this tions, the United States is divided into rule, including the acceptable form of ac- three zones, Zone I, Zone I–A, and Zone knowledgements, may be found in the Sec- II, having the boundaries specified in ond Report and Order in Docket No. 21136 § 73.205. (Commission Policy Concerning the Non- commercial Nature of Educational Broadcast [42 FR 36828, July 18, 1977] Stations), 86 F.C.C. 2d 141 (1981); the Memo- randum Opinion and Order in Docket No. § 73.506 Classes of noncommercial edu- 21136, 90 FCC 2d 895 (1982), and the Memoran- cational FM stations and channels. dum Opinion and Order in Docket 21136, 49 (a) Noncommercial educational sta- FR 13534, April 5, 1984. tions operating on the channels speci- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, fied in § 73.501 are divided into the fol- 1068, 1082 (47 U.S.C. 154, 155, 303)) lowing classes: [28 FR 13651, Dec. 14, 1963, as amended at 35 (1) A Class D educational station is FR 7558, May 15, 1970; 47 FR 36178, Aug. 19, one operating with no more than 10 1982; 49 FR 29069, July 18, 1984] watts transmitter power output. (2) A Class D educational (secondary) § 73.504 Channel assignments in the station is one operating with no more Mexican border area. than 10 watts transmitter power output (a) NCE–FM stations within 199 miles in accordance with the terms of § 73.512 (320 km) of the United States-Mexican or which has elected to follow these re- border shall comply with the separa- quirements before they become appli- tion requirements and other provisions cable under the terms of § 73.512. of the ‘‘Agreement between the United (3) Noncommercial educational FM States of America and the United (NCE–FM) stations with more than 10 Mexican States Concerning Frequency watts transmitter power output are Modulation Broadcasting in the 88 to classified as Class A, B1, B, C3, C2, C1, 108 MHz Band’’ as amended. or C depending on the station’s effec- (b) Applicants for noncommercial tive radiated power and antenna height educational FM stations within 199 above average terrain, and on the zone miles (320 km) of the United States- in which the station’s transmitter is Mexican border shall propose at least located, on the same basis as set forth Class A minimum facilities (see in §§ 73.210 and 73.211 for commercial § 73.211(a)). However, existing Class D stations. noncommercial educational stations (b) Any noncommercial educational may apply to change frequency within station except Class D may be assigned the educational portion of the FM band to any of the channels listed in § 73.501. in accordance with the requirements Class D noncommercial educational set forth in § 73.512. FM stations applied for or authorized

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prior to June 1, 1980, may continue to § 73.508 Standards of good engineering operate on their authorized channels practice. subject to the provisions of § 73.512. (a) All noncommercial educational [43 FR 39715, Sept. 6, 1978, as amended at 49 stations operating with more than 10 FR 10264, Mar. 20, 1984; 52 FR 47569, Dec. 15, watts transmitter output power shall 1987; 54 FR 16367, Apr. 24, 1989; 54 FR 19374, be subject to all of the provisions of May 5, 1989] the FM Technical Standards contained in subpart B of this part. Class D edu- § 73.507 Minimum distance separations cational stations shall be subject to between stations. the definitions contained in § 73.310 of (a) Minimum distance separations. No subpart B of this part, and also to application for a new station, or those other provisions of the FM Tech- change in channel or transmitter site nical Standards which are specifically or increase in facilities of an existing made applicable to them by the provi- sions of this subpart. station, will be granted unless the pro- (b) The transmitter and associated posed facilities will be located so as to transmitting equipment of each non- meet the adjacent channel distance commercial educational FM station li- separations specified in § 73.207(a) for censed for transmitter output power the class of station involved with re- above 10 watts must be designed, con- spect to assignment on Channels 221, structed and operated in accordance 222, and 223 listed in § 73.201 (except with § 73.317. where in the case of an existing station (c) The transmitter and associated the proposed facilities fall within the transmitting equipment of each non- provisions of § 73.207(b)), or where a commercial educational FM station li- Class D station is changing frequency censed for transmitter power output of to comply with the requirements of 10 watts or less, although not required § 73.512. to meet all requirements of § 73.317, (b) Stations authorized as of Septem- must be constructed with the safety ber 10, 1962, which do not meet the re- provisions of the current national elec- quirements of paragraph (a) of this sec- trical code as approved by the Amer- tion and § 73.511, may continue to oper- ican Standards Association. These sta- ate as authorized; but any application tions must be operated, tuned, and ad- to change facilities will be subject to justed so that emissions are not radi- the provisions of this section. ated outside the authorized band caus- (c)(1) Stations separated in frequency ing or which are capable of causing in- by 10.6 or 10.8 MHz (53 or 54 channels) terference to the communications of other stations. The audio distortion, from allotments or assignments on audio frequency range, carrier hum, non-reserved channels will not be au- noise level, and other essential phases thorized unless they conform to the of the operation which control the ex- separations in Table A given in § 73.207. ternal effects, must be at all times ca- (2) Under the United States-Mexican pable of providing satisfactory broad- FM Broadcasting Agreement, for sta- cast service. Studio equipment prop- tions and assignments differing in fre- erly covered by an underwriter’s cer- quency by 10.6 to 10.8 MHz (53 or 54 tificate will be considered as satisfying channels), U.S. noncommercial edu- safety requirements. cational FM allotments and assign- ments must meet the separations given (Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303)) in Table C of § 73.207 to Mexican allot- ments or assignments in the border [28 FR 13651, Dec. 14, 1963. Redesignated at 42 area. FR 36828, July 18, 1977, and amended at 43 FR 53738, Nov. 17, 1978; 45 FR 28141, Apr. 28, 1980] (Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303)) § 73.509 Prohibited overlap. [42 FR 36828, July 18, 1977, as amended at 43 (a) An application for a new or modi- FR 39716, Sept. 6, 1978; 44 FR 65764, Nov. 15, fied NCE–FM station other than a 1979; 49 FR 10264, Mar. 20, 1984; 49 FR 19670, Class D (secondary) station will not be May 9, 1984] accepted if the proposed operation

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would involve overlap of signal (1) The total area of overlap with strength contours with any other sta- that station would not be increased; tion licensed by the Commission and (2) The area of overlap with any operating in the reserved band (Chan- other station would not increase; nels 200–220, inclusive) as set forth (3) The area of overlap does not move below: significantly closer to the station re- Frequency Contour of proposed Contour of other sta- ceiving the overlap; and, separation station tion (4) No area of overlap would be cre-

Co-channel ... 0.1mV/m (40 dBu) .... 1 mV/m (60 dBu). ated with any station with which the 1 mV/m (60 dBu) ...... 0.1 mV/m (40 dBu). overlap does not now exist. 200 kHz ...... 0.5 mV/m (54 dBu) .. 1 mV/m (60 dBu). (e) The provisions of this section con- 1 mV/m (60 dBu) ...... 0.5 mV/m (54 dBu). cerning prohibited overlap will not 400 kHz ...... 10 mV/m (80 dBu) ... 1 mV/m (60 dBu). 1 mV/m (60 dBu) ...... 10 mV/m (80 dBu). apply where the area of such overlap 600 kHz ...... 100 mV/m (100 dBu) 1 mV/m (60 dBu). lies entirely over water. 1 mV/m (60 dBu) ...... 100 mV/m (100 dBu). [50 FR 27962, July 9, 1985, as amended at 52 (b) An application by a Class D (sec- FR 43765, Nov. 16, 1987] ondary) station, other than an applica- tion to change class, will not be accept- § 73.510 Antenna systems. ed if the proposed operation would in- (a) All noncommercial educational volve overlap of signal strength con- stations operating with more than 10 tours with any other station as set watts transmitter output power shall forth below: be subject to the provisions of § 73.316 concerning antenna systems contained Frequency Contour of proposed Contour of any other separation station station in subpart B of this part. (b) Directional antenna. No applica- Co-channel ... 0.1 mV/m (40 dBu) .. 1 mV/m (60 dBu). 200 kHz ...... 0.5 mV/m (54 dBu) .. 1 mV/m (60 dBu). tion for a construction permit of a new 400 kHz ...... 10 mV/m (80 dBu) ... 1 mV/m (60 dBu). station, or change in channel, or 600 kHz ...... 100 mV/m (100 dBu) 1 mV/m (60 dBu). change in an existing facility on the same channel will be accepted for filing (c) The following standards must be if a directional antenna with a maxi- used to compute the distances to the mum-to-minimum ratio of more than pertinent contours: 15 dB is proposed. (1) The distance of the 60 dBu (1 mV/ m) contours are to be computed using [42 FR 36829, July 18, 1977] Figure 1 of § 73.333 [F(50,50) curves] of this part. § 73.511 Power and antenna height re- (2) The distance to the other con- quirements. tours are to be computed using Figure (a) No new noncommercial edu- 1a of § 73.333 [F(50,10) curves]. In the cational station will be authorized event that the distance to the contour with less power than minimum power is below 16 kilometers (approximately requirements for commercial Class A 10 miles), and therefore not covered by facilities. (See § 73.211.) Figure 1a, curves in Figure 1 must be (b) No new noncommercial edu- used. cational FM station will be authorized (3) The effective radiated power with facilities greater than Class B in (ERP) that is the maximum ERP for Zones I and I–A or Class C in Zone II, any elevation plane on any bearing will as defined in § 73.211. be used. (c) Stations licensed before December (d) An application for a change (other 31, 1984, and operating above 50 kW in than a change in channel) in the facili- ties of a NCE–FM broadcast station Zones I and I–A, and above 100 kW and will be accepted even though overlap of in Zone II may continue to operate as signal strength contours, as specified authorized. in paragraphs (a) and (b) of this sec- [50 FR 27963, July 9, 1985, as amended at 50 tion, would occur with another station FR 31379, Aug. 2, 1985; 54 FR 3602, Jan. 25, in an area where such overlap does not 1989] already exists, if:

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§ 73.512 Special procedures applicable shall be subject to the same require- to Class D noncommercial edu- ments. In either case, any license cational stations. granted shall specify that the station’s (a) All Class D stations seeking re- license is for a Class D (secondary) sta- newal of license for any term expiring tion. June 1, 1980, or thereafter shall comply (c) Except in Alaska, no new Class D with the requirements set forth below applications nor major change applica- and shall simultaneously file an appli- tions by existing Class D stations are cation on FCC Form 340, containing acceptable for filing except by existing full information regarding such com- Class D stations seeking to change fre- pliance with the provisions set forth quency. Upon the grant of such appli- below. cation, the station shall become a (1) To the extent possible, each appli- Class D (secondary) station. cant shall select a commercial FM (d) Class D noncommercial edu- channel on which it proposes to oper- cational (secondary) stations (see ate in lieu of the station’s present § 73.506(a)(2)) will be permitted to con- channel. The station may select any tinue to operate only so long as no in- commercial channel provided no objec- terference (as defined in § 73.509) is tionable interference, as set forth in caused to any TV or commercial FM § 73.509(b), would be caused. The appli- broadcast stations. In the event that cation shall include the same engineer- the Class D (secondary) station would ing information as is required to cause interference to a TV or commer- change the frequency of an existing cial FM broadcast station after that station and any other information nec- Class D (secondary) station is author- essary to establish the fact that objec- ized, the Class D (secondary) station tionable interference would not result. must cease operation when program If no commerical channel is available tests for the TV or commercial FM where the station could operate with- broadcast station commence. The Class out causing such interference, the ap- D (secondary) station may apply for a plication shall set forth the basis upon construction permit (see § 73.3533) to which this conclusion was reached. change to another frequency or an- (2) If a commercial channel is un- tenna site where it would not cause in- available, to the extent possible each terference (as defined in § 73.509). If the applicant should propose operation on Class D (secondary) station must cease Channel 200 (87.9 MHz) unless the sta- operation before the construction per- tion would be within 402 kilometers mit is granted, an application for tem- (250 miles) of the Canadian border or porary authorization (pursuant to 320 kilometers (199 miles) of the Mexi- § 73.3542) to operate with the proposed can border or would cause interference facilities may be submitted; where ap- to an FM station operating on Chan- propriate, such temporary authoriza- nels 201, 202, or 203 or to TV Channel 6, tion can be granted. as provided in § 73.509. [43 FR 39716, Sept. 6, 1978, as amended at 44 (3) If a channel is not available under FR 48226, Aug. 17, 1979; 47 FR 28388, June 30, either paragraph (a) (1) or (2) of this 1982; 50 FR 8326, Mar. 1, 1985] section, the renewal applicant shall study all 20 noncommercial edu- § 73.513 Noncommercial educational cational FM channels and shall propose FM stations operating on unre- operation on the channel which would served channels. cause the least preclusion to the estab- Noncommercial educational FM sta- lishment of new stations or increases tions other than Class D (secondary) in power by existing stations. Full in- which operate on Channels 221 through formation regarding the basis for the 300 but which comply with § 73.503 as to selection should be provided. licensing requirements and the nature (b) At any time before the require- of the service rendered, must comply ments of paragraph (a) become effec- with the provisions of the following tive, any existing Class D station may sections of subpart B: §§ 73.201 through file a construction permit application 73.213 (Classification of FM Broadcast on FCC Form 340 to change channel in Stations and Allocations of Fre- the manner described above which quencies) and such other sections of

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subpart B as are made specially appli- a construction permit for a NCE–FM cable by the provisions of this subpart station as of December 31, 1984, are not C. Stations in Alaska authorized before subject to this section unless they pro- August 11, 1982, using Channels 261–300 pose either: need not meet the minimum effective (i) To make changes in operating fa- radiated power requirement specified cilities or location which will increase in § 73.211(a). In all other respects, sta- predicted interference as calculated tions operating on Channels 221 under paragraph (e) of this section to through 300 are to be governed by the TV Channel 6 reception in any direc- provisions of this subpart and not sub- tion; or, part B. (ii) To increase its ratio of vertically [47 FR 30068, July 12, 1982] polarized to horizontally polarized transmissions. § 73.525 TV Channel 6 protection. (2) Applicants must comply with the The provisions of this section apply provision of paragraphs (c) or (d) of to all applications for construction per- this section unless the application for mits for new or modified facilities for a modification demonstrates that, for NCE–FM station on Channels 200–220 each person predicted to receive new unless the application is accompanied interference as a result of the change, by a written agreement between the existing predicted interference to two NCE–FM applicant and each affected person will be eliminated. Persons pre- TV Channel 6 broadcast station concur- dicted to receive new interference are ring with the proposed NCE–FM facili- those located outside the area pre- ties. dicted to receive interference from the (a) Affected TV Channel 6 Station. station’s currently authorized facilities (1) An affected TV Channel 6 station (‘‘existing predicted interference is a TV broadcast station which is au- area’’) but within the area predicted to thorized to operate on Channel 6 that receive interference from the proposed is located within the following dis- facilities (‘‘proposed predicted inter- tances of a NCE–FM station operating ference area’’). Persons for whom pre- on Channels 201–220: dicted interference will be eliminated are those located within the existing TABLE A predicted interference area and outside NCE±FM Distance (kil- NCE±FM Distance (kil- the proposed predicted interference channel ometers) channel ometers) area. (i) In making this calculation, the 201 265 211 196 202 257 212 195 provisions contained at paragraph (e) 203 246 213 193 will be used except as modified by 204 235 214 187 paragraph (b)(3) of this section. 205 225 215 180 206 211 216 177 (ii) The following adjustment to the 207 196 217 174 population calculation may be made: 208 196 218 166 up to 1,000 persons may be subtracted 209 196 219 159 210 196 220 154 from the population predicted to re- ceive new interference if, for each per- (2) Where a NCE–FM application has son substracted, the applicant effec- been accepted for filing or granted, the tively installs two filters within 90 subsequent acceptance of an applica- days after commencing program tests tion filed by a relevant TV Channel 6 with the proposed facilities and, no station will not require revision of the later than 45 days thereafter, provides pending NCE–FM application or the the affected TV Channel 6 station (as FM station’s authorized facilities, un- defined in paragraph (a) of this section) less the provisions of paragraph (e)(3) with a certification containing suffi- of this section for TV translator or sat- cient information to permit verifica- ellite stations apply. tion of such installation. The required (b) Existing NCE–FM Stations. (1) A number of filters will be installed on NCE–FM station license authorized to television receivers located within the operate on channels 201–220 as of De- predicted interference area; provided cember 31, 1984, or a permittee, granted that half of the installations are within

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the area predicted to receive new inter- located within the predicted inter- ference. ference area. (3) Where an NCE–FM applicant wish- (d) Collocated Stations. As an alter- es to operate with facilities in excess of native to the provisions contained in that permitted under the provisions of paragraphs (b) and (c) of this section, paragraphs (c) or (d) of this section, by an application for a NCE–FM station proposing to use vertically polarized operating on Channels 201–220 and lo- transmissions only, or to increase its cated at 0.4 kilometer (approximately ratio of vertically to horizontally po- 0.25 mile) or less from a TV Channel 6 larized transmissions, the affected TV station will be accepted under the fol- Channel 6 station must be given an op- lowing requirements: tion to pay for the required antenna (1) The effective radiated power can- and, if it takes that option, the NCE– not exceed the following values: FM vertically polarized component of TABLE B power will be one half (¥3 dB) that which would be allowed by the provi- NCE±FM Power (kilo- NCE±FM Power (kilo- sions of paragraph (e)(4) of this section. channel watt) channel watt) (4) Applications for modification will 201 1.1 211 26.3 include a certification that the appli- 202 1.9 212 31.6 203 3.1 213 38.0 cant has given early written notice of 204 5.0 214 46.8 the proposed modification to all af- 205 8.3 215 56.2 fected TV Channel 6 stations (as de- 206 10.0 216 67.6 207 12.0 217 83.2 fined in paragraph (a) of this section). 208 14.8 218 100.0 (5) Where the NCE–FM station dem- 209 17.8 219 100.0 onstrates in its application that it 210 21.4 220 100.0 must make an involuntary modifica- (2) The NCE–FM application will in- tion (e.g., due to loss of its transmitter clude a certification that the applicant site) that would not otherwise be per- has coordinated its antenna with the mitted under this section, its applica- affected TV station by employing ei- tion will be considered on a case-by- ther: The same number of antenna bays case basis. In such cases, the provisions with radiation centers separated by no of paragaph (b)(3) of this section do not more than 30 meters (approximately apply. 100 feet) verticially; or, the FM vertical (c) New NCE–FM Stations. Except as pattern not exceeding the TV vertical provided for by paragraph (d) of this pattern by more than 2dB. section, applicants for NCE–FM sta- (e) Calculation of Predicted Interference tions proposing to operate on Channels Area and Population. Predictions of in- 201–220 must submit a showing indicat- terference required under this section ing that the predicted interference area and calculations to determine the num- resulting from the proposed facility ber of persons within a predicted inter- contains no more than 3,000 persons. ference area for NCE–FM operation on (1) In making these calculations, the Channels 201–220 are made as follows: provisions in paragraph (e) of this sec- (1) The predicted interference area tion will be used. will be calculated as follows: (2) The following adjustment to popu- (i) The distances to the TV Channel 6 lation may be made: up to 1,000 persons field strength contours will be pre- may be subtracted from the population dicted according to the procedures within the predicted interference area specified in § 73.684, ‘‘Prediction of cov- if, for each person subtracted, the ap- erage,’’ using the F(50,50) curves in Fig- plicant effectively installs one filter ure 9, § 73.699. within 90 days after commencing pro- (ii) For each TV Channel 6 field gram tests and, no later than 45 days strength contour, there will be an asso- thereafter, provides the affected TV ciated F(50,10) FM interference con- Channel 6 station with a certification tour, the value of which (in units of containing sufficient information to dBu) is defined as the sum of the TV permit verification of such installa- Channel 6 field strength (in dBu) and tion. The required number of filters the appropriate undesired-to-desired will be installed on television receivers (U/D) signal ratio (in dB) obtained from

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Figures 1 and 2, § 73.599, corresponding Channel 6 station, the location of the to the channel of the NCE–FM appli- FM interfering contour must be deter- cant and the appropriate F(50,50) field mined using the assumption that the strength contour of the TV Channel 6 Channel 6 field strength remains con- station. stant at 90 dBu everywhere within the (iii) An adjustment of 6 dB for tele- 90 dBu TV contour. The FM to Channel vision receiving antenna directivity 6 U/D signal strength ratio specified in will be added to each NCE–FM inter- § 73.599 corresponding to the Channel 6 ference contour at all points outside TV field strength of 90 dBu shall be the Grade A field strength contour used. (§ 73.683) of the TV Channel 6 station (2) The number of persons contained and within an arc defined by the range within the predicted interference area of angles, of which the FM transmitter will be based on data contained in the site is the vertex, from 110° relative to most recently published U.S. Census of the azimuth from the FM transmitter Population and will be determined by site to the TV Channel 6 transmitter plotting the predicted interference site, counterclockwise to 250° relative area on a County Subdivision Map of to that azimuth. At all points at and the state published for the Census, and within the Grade A field strength con- totalling the number of persons in each tour of the TV Channel 6 station, the 6 County Subdivision (such as, Minor dB adjustment is applicable over the Civil Division (MCD), Census County ° range of angles from 70 clockwise to Division (CCD), or equivalent areas) ° ° ° 110 and from 250 clockwise to 290 . contained within the predicted inter- (iv) The distances to the applicable ference area. Where only a portion of NCE–FM interference contours will be County Subdivision is contained within predicted according to the procedures the interference area: specified in § 73.313, ‘‘Prediction of Cov- (i) The population of all incorporated erage,’’ using the proposed antenna places or Census designated places will height and horizontally polarized, or be subtracted from the County Subdivi- the horizontal equivalent of the verti- sion population; cally polarized, effective radiated power in the pertinent direction and (ii) Uniform distribution of the re- the F(50,10) field strength curves (Fig- maining population over the remaining ure 1a, § 73.333). area of the County Subdivision will be (v) The predicted interference area assumed in determining the number of will be defined as the area within the persons within the predicted inter- TV Channel 6 station’s 47 dBu field ference area in proportion to the share strength contour that is bounded by of the remaining area of the County the locus of intersections of a series of Subdivision that lies within the pre- TV Channel 6 field strength contours dicted interference area; and, and the applicable NCE–FM inter- (iii) The population of the incor- ference contours. porated places or Census designated (vi) In cases where the terrain in one places contained within the predicted or more directions departs widely from interference area will then be added to the surrounding terrain average (for the total, again assuming uniform dis- example, an intervening mountain), a tribution of the population within the supplemental showing may be made. area of each place and adding a share of Such supplemental showings must de- the population proportional to the scribe the procedure used and should share of the area if only a portion of include sample calculations. The appli- such a place is within the predicted in- cation must also include maps indicat- terference area. ing the predicted interference area for (iv) At the option of either the NCE– both the regular method and the sup- FM applicant or an affected TV Chan- plemental method. nel 6 station which provides the appro- (vii) In cases where the predicted in- priate analysis, more detailed popu- terference area to Channel 6 television lation data may be used. from a noncommercial educational FM (3) Adjustments to the population station will be located within the 90 calculated pursuant to paragraph (e)(2) dBu F(50,50) contour of the television of this section may be made as follows:

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(i) If any part of the predicted inter- (iii) If any part of the predicted inter- ference area is within the Grade A field ference area is located outside the af- strength contour (§ 73.683) of a TV fected TV Channel 6 station’s Area of translator station carrying the affected Dominant Influence (ADI), outside the TV Channel 6 station, the number of Grade A field strength contour persons within that overlap area will (§ 73.683), and within the predicted city be subtracted, provided the NCE–FM grade field strength contour (73.685(a)) construction permit and license will of a TV broadcast station whose only contain the following conditions: network affiliation is the same as the (A) When the TV translator station only network affiliation of the affected ceases to carry the affected TV Chan- TV Channel 6 station, the number of nel 6 station’s service and the cessation persons within that part will be sub- is not the choice of the affected TV tracted. (For purposes of this provi- Channel 6 station, the NCE–FM station sion, a network is defined as ABC, CBS, will modify its facilities, within a rea- NBC, or their successors.) In addition, sonable transition period, to meet the the ADI of an affected TV Channel 6 requirements of this section which station and the program network affili- would have applied if no adjustment to ations of all relevant TV broadcast sta- population for translator service had tions will be assumed to be as they been made in its application. were on the filing date of the NCE–FM (B) The transition period may not ex- application or June 1, 1985, whichever ceed 1 year from the date the NCE–FM is later. station is notified by the TV Channel 6 (iv) In calculating the population station that the translator station will within the predicted interference area, cease to carry the affected TV Channel an exception will be permitted upon a 6 station’s service or 6 months after showing (e.g., as survey of actual tele- the translator station ceases to carry vision reception) that the number of the affected TV Channel 6 station’s persons within the predicted inter- service, whichever is earlier. ference area should be reduced to ac- count for persons actually experiencing (ii) If any part of the interference co-channel or adjacent channel inter- area is within the Grade B field ference to reception of the affected TV strength contour (§ 73.683) of a satellite Channel 6 station. The area within station of the affected TV Channel 6 which such a showing may be made station, the number of persons within will be limited to the area calculated the overlap area will be subtracted, as follows: provided the NCE–FM permit and li- (A) The distances to the field cense will contain the following condi- strength contours of the affected TV tions: Channel 6 station will be predicted ac- (A) If the satellite station ceases to cording to the procedures specified in carry the affected TV Channel 6 sta- § 73.684, ‘‘Prediction of coverage,’’ using tion’s service and the cessation is not the F(50,50) curves in Figure 9, §73.699. the choice of the affected TV Channel 6 (B) For each field strength contour of station, the NCE–FM station will mod- the affected TV Channel 6 station, ify its facilities, within a reasonable there will be an associated co-channel transition period, to meet the require- or adjacent channel TV broadcast sta- ments of this rule which would have tion interference contour, the value of applied if no adjustment to population which (in units of dBu) is defined as the for satellite station service had been sum of the affected TV Channel 6 sta- made in its application. tion’s field strength (in dBu) and the (B) The transition period may not ex- appropriate undesired-to-desired signal ceed 1 year from the date the NCE–FM ratio (in dB) as follows: station is notified by the TV Channel 6 station that the satellite station will Co-channel, normal offset, ¥22 dB cease to carry the affected TV Channel Co-channel, no offset, ¥39 dB 6 stations’s service or 6 months after Adjacent channel, +12 dB the satellite station ceases to carry the (C) The distances to the associated affected TV Channel 6 station’s service, co-channel or adjacent channel TV whichever is earlier. broadcast station interference contour

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will be predicted according to the pro- EFFECTIVE DATE NOTE: At 62 FR 51059, cedures specified in § 73.684, ‘‘Prediction Sept. 30, 1997, § 73.525 was amended by adding of coverage,’’ using the F(50,10) curves paragraph (e)(1)(vii), effective Dec. 1, 1997. in Figure 9a, § 73.699. § 73.558 Indicating instruments. (D) The area within which the show- ing of actual interference may be made The requirements for indicating in- will be the area bounded by the locus of struments described in § 73.258 are ap- intersections of a series of the affected plicable to all educational FM broad- TV Channel 6 station’s field strength cast stations licensed with a transmit- contours and the associated inter- ter power greater than 0.01 kw. ference contours of the co-channel or [51 FR 17029, May 8, 1986] adjacent channel TV broadcast station. (4) The maximum permissible effec- § 73.561 Operating schedule; time shar- tive radiated power (ERP) and antenna ing. height may be adjusted for vertical po- (a) All noncommercial educational larity as follows: FM stations will be licensed for unlim- (i) If the applicant chooses to use ver- ited time operation except those sta- tically polarized transmissions only, tions operating under a time sharing the maximum permissible vertically arrangement. All noncommercial edu- polarized ERP will be the maximum cational FM stations are required to horizontally polarized ERP permissible operate at least 36 hours per week, con- at the same proposed antenna height, sisting of at least 5 hours of operation calculated without the adjustment for per day on at least 6 days of the week; television receiving antenna direc- however, stations licensed to edu- tivity specified in paragraph (e)(1)(iii) cational institutions are not required of this section, multiplied by either: 40 to operate on Saturday or Sunday or to if the predicted interference area lies observe the minimum operating re- entirely outside the limits of a city of quirements during those days des- 50,000 persons or more; or 10 if it does ignated on the official school calendar not. as vacation or recess periods. (ii) If the applicant chooses to use (b) All stations, including those mixed polarity, the permissible ERP is meeting the requirements of paragraph as follows: (a) of this section, but which do not op- [H+(V/A)] is no greater than P erate 12 hours per day each day of the Where: year, will be required to share use of H is the horizontally polarized ERP in the frequency upon the grant of an ap- kilowatts for mixed polarity; propriate application proposing such V is the vertically polarized ERP in kilo- watts for mixed polarity; share time arrangement. Such applica- A is 40 if the predicted interference area tions shall set forth the intent to share lies entirely outside the limits of a city time and shall be filed in the same of 50,000 persons or more, or 10 if it does manner as are applications for new sta- not; and tions. They may be filed at any time, P is the maximum permitted horizontally but in cases where the parties are un- polarized-only power in kilowatts. able to agree on time sharing, action (f) Channel 200 Applications. No appli- on the application will be taken only in cation for use of NCE–FM Channel 200 connection with the renewal of applica- will be accepted if the requested facil- tion for the existing station. In order ity would cause objectionable inter- to be considered for this purpose, such ference to TV Channel 6 operations. an application to share time must be Such objectionable interference will be filed no later than the deadline for fil- considered to exist whenever the 15 ing petitions to deny the renewal appli- dBu contour based on the F(50,10) cation of the existing licensee, or, in curves in § 73.333 Figure 1a would over- the case of renewal applications filed lap the 40 dBu contour based on the by the existing licensee on or before F(50,50) curves in § 73.699, Figure 9. May 1, 1995, no later than the deadline [50 FR 27963, July 9, 1985; 50 FR 30187, July 24, for filing applications in conflict with 1985; 50 FR 31379, Aug. 2, 1985, as amended at the such renewal applications. 51 FR 26250, July 22, 1986; 52 FR 25867, July 9, (1) The licensee and the prospective 1987; 62 FR 51059, Sept. 30, 1997] licensee(s) shall endeavor to reach an

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agreement for a definite schedule of pe- more than 30 days without further au- riods of time to be used by each. Such thority from the Commission, Provided, agreement shall be in writing and shall That notification is sent to the Com- set forth which licensee is to operate mission in Washington, DC no later on each of the hours of the day than the 10th day of limited or discon- throughout the year. Such agreement tinued operation. During such period, shall not include simultaneous oper- the permittee or licensee shall con- ation of the stations. Each licensee tinue to adhere to the requirements of shall file the same in triplicate with the station license pertaining to the each application to the Commission for lighting of antenna structures. In the initial construction permit or renewal event normal operation is restored of license. Such written agreements prior to the expiration of the 30-day pe- shall become part of the terms of each riod, the permittee or licensee will so station’s license. notify the Commission in Washington, (2) The Commission desires to facili- DC, of this date. If the causes beyond tate the reaching of agreements on the control of the permittee or licensee time sharing. However, if the licensees make it impossible to comply within of stations authorized to share time the allowed period, informal written are unable to agree on a division of request shall be made to the Commis- time, the Commission shall be so noti- sion in Washington, DC, no later than fied by statement to that effect filed the 30th day for such additional time with the application proposing time as may be deemed necessary. The li- sharing. Thereafter the Commission cense of a broadcasting station that will designate the application for hear- fails to transmit broadcast signals for ing on any qualification issues arising any consecutive 12-month period ex- regarding the renewal or new appli- pires as a matter of law at the end of cants. If no such issues pertain, the that period, notwithstanding any pro- Commission will set the matter for ex- vision, term, or condition of the license pedited hearing limited solely to the to the contrary. issue of the sharing of time. In the NOTE 1: For allocations purposes, both (all) event the stations have been operating stations sharing time will be treated as un- under a time sharing agreement but limited time stations. cannot agree on its continuation, a NOTE 2: See §§ 73.1705, 73.1715, and 73.1740. hearing will be held, and pending such hearing, the operating schedule pre- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, viously adhered to shall remain in full 1068, 1082 (47 U.S.C. 154, 155, 303)) force and effect. [43 FR 39717, Sept. 6, 1978, as amended at 43 (c) A departure from the regular FR 45845, Oct. 4, 1978; 44 FR 3416, Jan. 19, 1979; schedule set forth in a time-sharing 44 FR 65764, Nov. 15, 1979; 47 FR 54448, Dec. 3, agreement will be permitted only in 1982; 50 FR 13974, Apr. 9, 1985; 61 FR 18291, Apr. 25, 1996; 61 FR 28767, June 6, 1996] cases where an agreement to that ef- fect is reduced to writing, is signed by § 73.567 Determining operating power. the licensees of the stations affected thereby and filed in triplicate by each The procedures for determining oper- licensee with the Commission prior to ating power described in § 73.267 are ap- the time of the proposed change. If plicable to noncommercial education time is of the essence, the actual de- FM stations. parture in operating schedule may pre- [44 FR 58732, Oct. 11, 1979] cede the actual filing of written agree- ment, provided appropriate notice is § 73.593 Subsidiary communications sent to the Commission in Washington, services. DC. The licensee of a noncommercial edu- (d) In the event that causes beyond cational FM station is not required to the control of a permittee or licensee use its subcarrier capacity, but if it make it impossible to adhere to the op- chooses to do so, it is governed by erating schedule in paragraphs (a) and §§ 73.293 through 73.295 of the Commis- (b) of this section or to continue oper- sion’s Rules regarding the types of per- ating, the station may limit or dis- missible subcarrier uses and the man- continue operation for a period of not ner in which subcarrier operations

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shall be conducted; Provided, however, § 73.597 FM stereophonic sound broad- that remunerative use of a station’s casting. subcarrier capacity shall not be det- A noncommercial educational FM rimental to the provision of existing or broadcast station may, without spe- potential radio reading services for the cific authority from the FCC, transmit blind or otherwise inconsistent with its stereophonic sound programs upon in- public broadcasting responsibilities. stallation of stereophonic sound trans- mitting equipment under the provi- [48 FR 26615, June 9, 1983] sions of §§ 2.977, 2.1001, 73.322, and 73.1590 of the FCC’s Rules. [51 FR 17029, May 8, 1986]

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§ 73.599 NCE–FM engineering charts. This section consists of the following Figures 1 and 2.

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[50 FR 27965, July 9, 1985]

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Subpart D [Reserved] Frequency Channel No. band (MHz)

Subpart E—Television Broadcast 36 ...... 602±608 Stations 37 ...... 608±614 38 ...... 614±620 § 73.601 Scope of subpart. 39 ...... 620±626 This subpart contains the rules and 40 ...... 626±632 41 ...... 632±638 regulations (including engineering 42 ...... 638±644 standards) governing TV broadcast sta- 43 ...... 644±650 tions, including noncommercial edu- 44 ...... 650±656 cational TV broadcast stations and, 45 ...... 656±662 46 ...... 662±668 where indicated, low power TV and TV 47 ...... 668±674 translator stations in the United 48 ...... 674±680 States, its Territories and possessions. 49 ...... 680±686 TV broadcast, low power TV, and TV 50 ...... 686±692 translator stations are assigned chan- 51 ...... 692±698 52 ...... 698±704 nels 6 MHz wide, designated as set 53 ...... 704±710 forth in § 73.603(a). 54 ...... 710±716 55 ...... 716±722 [47 FR 21494, May 18, 1982] 56 ...... 722±728 57 ...... 728±734 § 73.602 Cross reference to rules in 58 ...... 734±740 other parts. 59 ...... 740±746 60 ...... 746±752 See § 73.1010. 61 ...... 752±758 [43 FR 32781, July 28, 1978] 62 ...... 758±764 63 ...... 764±770 64 ...... 770±776 § 73.603 Numerical designation of tele- 65 ...... 776±782 vision channels. 66 ...... 782±788 (a) 67 ...... 788±794 68 ...... 794±800 Frequency 69 ...... 800±806 Channel No. band (MHz) (b) In Alaska, television broadcast 2 ...... 54±60 stations operating on Channel 5 (76–82 3 ...... 60±66 MHz) and on Channel 6 (82–88 MHz) 4 ...... 66±72 5 ...... 76±82 shall not cause harmful interference to 6 ...... 82±88 and must accept interference from non- 7 ...... 174±180 Government fixed operations author- 8 ...... 180±186 ized prior to January 1, 1982. 9 ...... 186±192 10 ...... 192±198 (c) Channel 37, 608–614 MHz is re- 11 ...... 198±204 served exclusively for the radio astron- 12 ...... 204±210 omy service. 13 ...... 210±216 14 ...... 470±476 (d) In Hawaii, the frequency band 488– 15 ...... 476±482 494 MHz is allocated for non-broadcast 16 ...... 482±488 use. This frequency band (Channel 17) 17 ...... 488±494 18 ...... 494±500 will not be assigned in Hawaii for use 19 ...... 500±506 by television broadcast stations. 20 ...... 506±512 21 ...... 512±518 [28 FR 13660, Dec. 14, 1963, as amended at 35 22 ...... 518±524 FR 11179, July 11, 1970; 39 FR 10576, Mar. 21, 23 ...... 524±530 1974; 47 FR 16789, Apr. 20, 1982; 47 FR 30068, 24 ...... 530±536 July 12, 1982; 47 FR 35989, Aug. 18, 1982; 51 FR 25 ...... 536±542 26 ...... 542±548 18450, May 20, 1986] 27 ...... 548±554 28 ...... 554±560 § 73.606 Table of allotments. 29 ...... 560±566 30 ...... 566±572 (a) General. The following table of al- 31 ...... 572±578 lotments contains the channels des- 32 ...... 578±584 ignated for the listed communities in 33 ...... 584±590 34 ...... 590±596 the United States, its Territories, and 35 ...... 596±602 possessions. Channels designated with

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an asterisk are assigned for use by non- ARIZONAÐContinued commercial educational broadcast sta- [See footnotes at end of tables] tions only. A station on a channel iden- tified by a plus or minus mark is re- Channel No. quired to operate with its carrier fre- Parker ...... *17- quencies offset 10 kHz above or below, Phoenix ...... 3+, 5-, *8+, 10-, 15-, 21, 33, *39, 45, respectively, the nominal carrier fre- 61 Prescott ...... 7, *19 quencies. Safford ...... *23+ (b) Table of Allotments. Sierra Vista ...... 58 Tolleson ...... 51 ALABAMA Tucson ...... 4-, *6+, 9-, 13-, 18-, *27-, 40 Tucson-Nogales ...... 2 11 Yuma ...... 11-, 13+, *16- Channel No.

Anniston ...... 40- Arab ...... 56- ARKANSAS Bessemer ...... 17 Birmingham ...... 6-, *10-, 13-, 21-, 42+, *62+, 68- Channel No. Decatur. Demopolis ...... *41 Arkadelphia ...... *9+ Dothan ...... 4, 18, *39+, 60- Camden ...... 237A, 246 Dozier ...... *2- Cimarron ...... 23 Florence ...... 15, 26, *36- El Dorado ...... 10-, *30+, 43-, and 49- Gadsden ...... 44+, 60 Eureka Springs ...... 34+ Gulf Shores ...... 55 Fayetteville ...... *13-, 36 Huntsville ...... 19, *25+, 31+, 48- Fort Smith ...... 5-, 24+, 40- Huntsville-Decatur ..... 54 Gosnell ...... 46 Louisville ...... *43+ Harrison ...... 31+ Mobile ...... 5+, 10+, 15+, 21+, *31, *42, and 61 Hot Springs ...... *20, 26 Montgomery ...... 12, 20, *26+, 32, 45-, *63 Jonesboro ...... 8-, *19+, 48+ Mount Cheaha ...... *7- Little Rock ...... *2-, 4, 7-, 11, 16-, *36, and 42 Munford ...... *16- Mountain Home ...... 43+ Opelika ...... 50, 66 Mountain View ...... *6- Ozark ...... 34 Newark ...... *17 Selma ...... 8, 29- Pine Bluff ...... 25-, 38- Troy ...... 67 Rogers ...... 51- Tuscaloosa ...... 23-, 33, *39- Russellville ...... *28+ Tuscumbia ...... 52+ Springdale ...... 57 Tuskegee ...... 22- CALIFORNIA ALASKA [See footnotes at end of tables]

Channel No. Channel No.

Anchorage ...... 2-, 4-, 5, *7-, *9, 11, 13-, and 33 Alturas ...... 13+ Bethel ...... *4 Anaheim ...... 56- Dillingham ...... *2, 10 Arcata ...... 23 Fairbanks ...... 2+, 7+, *9+, 11+, 13+ Avalon ...... 54 Juneau ...... *3, 8, 10 Bakersfield ...... 17, 23-, 29, *39-, 45, 65+ Ketchikan ...... 2, 4, *9 Barstow ...... *35+, 64 North Pole ...... 4+ Big Bear Lake ...... 59+ Seward ...... 3-, Bishop ...... *14-, 20+ Sitka ...... 13 Blythe ...... *22- Brawley ...... *26 Calipatria ...... 54 ARIZONA Ceres ...... *23+ [See footnotes at end of tables] Chico ...... 12-, *18, 24+, *46- Clovis ...... 43 Channel No. Coalinga ...... *27- Concord ...... 42 Ajo ...... *23- Corona ...... 52 Coolidge ...... *43 Cotati ...... *22- Douglas ...... 3, *28 El Centro ...... 7+, 9+ Flagstaff ...... 2, 4+, 9, 13, and *16 Eureka ...... 3-, 6-, *13-, and 29 Globe ...... *14+ Fort Bragg ...... 8- Green Valley ...... 46 Fresno ...... *18+, 24, 30+, 47, 53, Holbrook ...... 11+, *18+ Hanford ...... 21 Kingman ...... 6-, *14- Huntington Beach ...... *50- Lake Havasu City ...... 34+ Indio ...... *19+ McNary ...... *22+ Los Angeles ...... 2, 4, 5, 7, 9, 11, 13, 22, *28, 34, *58- Mesa ...... 12- , *68- Nogales ...... *16+ Merced ...... 51 Page ...... *17 Modesto ...... 19-

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CALIFORNIAÐContinued CONNECTICUT [See footnotes at end of tables] Channel No. Channel No. Bridgeport ...... 43-, *49- Hartford ...... 3+, 18-, *24, 61+ Novato ...... 68 New Britain ...... 30+ Oakland ...... 2+ New Haven ...... 8, 59+, 55 Ontario ...... 46 New London ...... 26+ Oroville ...... 28 Norwich ...... *53 Oxnard ...... 63+ Waterbury ...... 20 Palm Springs ...... 36-, 42 Paradise ...... 30 Porterville ...... 61 DELAWARE Rancho Palos Verdes 44+ Redding ...... 7, *9, 16 Channel No. Ridgecrest ...... *25 Dover ...... *34 Riverside ...... 62 Seaford ...... 38, *64 Sacramento ...... 3, *6, 10, 29-, 31-, 40-, *52 Wilmington ...... *12, 61 Salinas-Monterey ...... 8+, 35-, 46-, *56, 67- San Bernardino ...... 18-, *24-, 30 San Diego ...... 8, 10, *15, 39, 51, 69 DISTRICT OF COLUMBIA San Francisco ...... 4-, 5+, 7-, *9+, 14+, 20-, 26-, *32+, 38, 44- Channel No. San Jose ...... 11+, 36, 48-, *54, 65 San Luis Obispo ...... 6+, *15+, and 33 Washington ...... 4-, 5-, 7+, 9, 20+, *26-, *32+, 50 San Mateo ...... *60 Sanger ...... 59 FLORIDA Santa Anna ...... 40, Santa Barbara ...... 3-, 14,1 *20,1 , 38, and *55 Channel No. Santa Cruz ...... *16- Santa Maria ...... 12+, 42+ Boca Raton ...... *63 Santa Rosa ...... 50-, *62 Bradenton ...... *19, 66 Stockton ...... 13+, 58, 64 Bunnell ...... 58 Susanville ...... *14 Cape Coral ...... 36 Twentynine Palms ..... 31 Clearwater ...... 22 Vallejo-Fairfield ...... 66 Clermont ...... 18- Cocoa ...... *52, 68 Ventura ...... 57 Crystal River ...... 39- Visalia ...... 26+, *49 Daytona Beach ...... 2-, 26 Watsonville ...... *25+ Destin ...... 64+ Weaverville ...... 32 Fort Lauderdale ...... 51 Willits ...... 11- Fort Myers ...... 11+, 20+, *30 Yosemite Valley ...... 41 Fort Pierce ...... *21-, 34 Yreka City ...... *20+ Fort Walton Beach ..... 35, 53, 58 Gainesville ...... *5-, 20, 61+ High Springs ...... 53+ COLORADO Hollywood ...... 69 Inverness ...... 64 Channel No. Islamorada ...... *9+ Jacksonville ...... 4+, *7, 12+, 17, 30+, 47-, *59 Alamosa ...... *16, 47 Kenansville ...... 31 Boulder ...... 14 Key West ...... 8, *13, and 22+ Broomfield ...... *12 Lake City ...... *41 Castle Rock ...... 53 Lake Worth ...... 67 Colorado Springs ...... 11, 13, 21 Lakeland ...... 32 Craig ...... *16+ Leesburg ...... *45-, 55 Denver ...... 2, 4-, *6-, 7, 9-, 20, 31, *41, 50, 59 Live Oak ...... 57- Madison ...... *36- Durango ...... 6+, *20-, and 33+ Marathon ...... 16+ Fort Collins ...... 22- Marianna ...... *16+, 51 Glenwood Springs ..... 3-, *19+ Melbourne ...... 43+, 56 Grand Junction ...... 5-, 8-, *18+, 4*, 11+ Miami ...... *2, 4, 6, 7-, 10+, *17-, 23-, 33, 35, Gunnison ...... *17- 39, and 45+ La Junta ...... *22+ Naples ...... 26-, 46 Lamar ...... 12-, *14- New Smyrna Beach ... *15+ Leadville ...... *15- Ocala ...... *29, 51- Longmont ...... 25 Orange Park ...... 25- Montrose ...... 10+, *22 Orlando ...... 6-, 9, * 24-, 27, 35+, and 65 Pueblo ...... 5, *8, 26+, 32- Palatka ...... *42, 63+ Salida ...... *23+ Palm Beach ...... 61 Steamboat Springs .... 24+ Panama City ...... 7+, 13, 28-, *56, 46 Sterling ...... 3, *18+ Panama City Beach ... 46 Pensacola ...... 3-, *23, 33+, 44 Trinidad ...... *24 St. Petersburg ...... 10-, 38, 44+

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FLORIDAÐContinued IDAHO

Channel No. Channel No.

Sarasota ...... 40 Boise ...... 2, *4+, 7, 14 Sebring ...... *48, 60 Burley ...... *17+ Stuart ...... 59 Caldwell ...... 9- Tallahassee ...... *11-, 24, 27+, 40+ Coeur d'Alene ...... *26+ Tampa ...... *3, 8-, 13-, *16, 28, and 50 Filer ...... *19- Tequesta ...... 25 Grangeville ...... *15- Tice ...... 49 Idaho Falls ...... 3, 8+, 20, *33+ Lewiston ...... 3- Venice ...... 62 Moscow ...... *12- West Palm Beach ...... 5, 12, 29+, *42+, Nampa ...... 6, 12+ Preston ...... *28 Pocatello ...... 6-, *10, 15, 25+, 31- EORGIA G Sandpoint ...... *16+ Sun Valley ...... 5- Channel No. Twin Falls ...... 11, *13-, 35 Weiser ...... *17 Albany ...... 10, 19-, 31-, and 52- Ashburn ...... *23+ Athens ...... *8-, 34 ILLINOIS Atlanta ...... 2, 5-, 11+, 17-, *30, 36, 46-, *57+, [See footnotes at end of tables] 69 Augusta ...... 6+, 12-, 26, 54- Channel No. Bainbridge ...... 49 Baxley ...... 34 Aurora ...... 60 Brunswick ...... 21+ Bloomington ...... 43 Carrollton ...... *49- Carbondale ...... *8 Carnesville ...... *52 Champaign ...... 3+, 15- Cedartown ...... *65- Charleston ...... *51+ Chatsworth ...... *18- Chicago ...... 2-, 5, 7, 9+, *11, *20, 26, 32, 38-, 44 Cochran ...... *29+ Danville ...... 68 Columbus ...... 3, 9+, *28, 38+, *48, 54+ Decatur ...... 17, 23- Cordele ...... 55+ DeKalb ...... *33, *48- Dalton ...... 23 East St. Louis ...... 46 Dawson ...... *25 Edwardsville ...... *18- 4 Draketown ...... *27- Elgin ...... 66+ Elberton ...... *60+ Freeport ...... 23, *65- Flintstone ...... *41- Galesburg ...... 67 Harrisburg ...... 3 Lafayette ...... *35 Jacksonville ...... *14 Macon ...... 13+, 24+, 41+, *47+, 64- Joliet ...... 1 14-, 66+ Monroe ...... 63 Kankakee ...... *54- Pelham ...... *14- LaSalle ...... 35 Perry ...... 58+ Macomb ...... *22+ Rome ...... 14+ Marion ...... 27 Royston ...... *22+ Moline ...... 8, *24- Savannah ...... 3, *9-, 11, 22, Mount Vernon ...... 13+ Thomasville ...... 6 Olney ...... *16- Toccoa ...... 32-, *68- Paris ...... 46+ Valdosta ...... *33, 44- Peoria ...... 19, 25+, 31+, *47-, 59+ Vidalia ...... *18+ Pontiac ...... 53 Warm Springs. Quincy ...... 10-, 16+, *27+ Warner Robbins ...... 35- Rockford ...... 13, 17+, 39 Waycross ...... *8+ Rock Island ...... 4+ Wrens ...... *20- Springfield ...... 20+, 49-, 55+, *65+ Young Harris ...... *51- Streator ...... *63 Urbana ...... *12-, 27- Vandalia ...... *21 HAWAII

Channel No. INDIANA

Hilo (Hawaii) ...... 2, *4, 9, 11, 13, 14+, 20+, 26+, *32+, Channel No. *38+ Honolulu (Oahu) ...... 2+, 4-, 5, 9-, *11+, 13-, 14, 20, 26, Anderson ...... 67+ 32, *38, and *44. Angola ...... 63 Kailua ...... 50 Bloomington ...... 4, *30-, 42+ and 63+ Kailua-Kona (Hawaii) 6 Elkhart ...... 28+ Kaneohe ...... 66+ Evansville ...... 7, *9+, 14-, 25-, and 44 Lihue (Kauai) ...... 3+, *8-, 10+, 12-, 15-, *21-, *27-, *67 Fort Wayne ...... 15+, 21+, 33-, *39-, 55 Wailuku (Maui) ...... 3, 7, *10, 12, 15, 21, *27, *33, 39 Gary ...... 50, *56+ Waimanalo ...... 56 Hammond ...... 62+ Indianapolis ...... 6, 8-, 13-, *20-, 40, 59-, *69

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INDIANAÐContinued KANSASÐContinued

Channel No. Channel No.

Kokomo ...... 29- Phillipsburg ...... *22- Lafayette ...... 18, *24 Pittsburg ...... 7+ and 14 Madison ...... *60+ Pratt ...... *32+ Marion ...... 23 Randall. Muncie ...... 49, *61 Salina ...... 18+, 34-, 44 Richmond ...... 43+ Sedan ...... *28 Salem ...... 58+ Topeka ...... *11, 13+, 27, 43, 49 South Bend ...... 16, 22, *34-, 46 Wichita ...... 3-, 10-, *15+, 24-, 33, *42 Terre Haute ...... 2+, 10, *26-, 38 Vincennes ...... *22- KENTUCKY

IOWA Channel No.

Channel No. Ashland ...... *25, 50-, 61+ Beattyville ...... 65 Ames ...... 5, 23-, *34+ Blanco ...... 52+ Burlington ...... 26-, *57- Bowling Green ...... 13, *24-, 40+, *53-, 59+ Carroll ...... *18-, 30+, and 52 Campbellsville ...... 34 Cedar Rapids ...... 2, 9-, 28+, and 48- Covington ...... *54+ Centerville ...... *31- Danville ...... 56 Council Bluffs ...... *32 Elizabethtown ...... *23+ Davenport ...... 6+, 18+, 30-, *36+ Harlan ...... 44- Decorah ...... *14+ Hazard ...... *35+, 57- Des Moines ...... 8-, *11+, 13-, 17+, *43-, 63-, 69 Hopkinsville ...... 51 Dubuque ...... 16-, *29-, 40- Lexington ...... 18+, 27-, 36, *46, 62 Estherville ...... *49+ Louisville ...... 3-, 11, *15, 21-, 32-, 41+, *68+ Fort Dodge ...... *21 Madisonville ...... 19-, *35-, and 57+ Fort Madison ...... *38+ Morehead ...... *38+, 67- Hampton ...... 50 Murray ...... *21+, 38 High Point ...... *14- Newport ...... 19+ Iowa City ...... *12+, 20- Owensboro ...... 31-, 48, 61+ Keokuk ...... *44+ Owenton ...... *52+ Paducah ...... 6+, 29 and 49 Keosauqua ...... *54+ Paintsville ...... 69+ Lansing ...... *41+ Pikeville ...... *22-, 51+ Mason City ...... 3+, *24+ Somerset ...... 16, *29+ Mount Ayr ...... *25- Newton ...... 39+ Ottumwa ...... 15+, *33- LOUISIANA Red Oak ...... *36 Rock Rapids ...... *25+ Channel No. Sibley ...... *33 Sioux City ...... 4-, 9, 14, *27-, 44 Alexandria ...... 5, *25+, 31+, 41+ Spirit Lake ...... *38 Baton Rouge ...... 2, 9-, *27+, 33-, and 44+ Waterloo ...... 7+, 22-, *32- Columbia ...... 11+ De Ridder ...... *23- Hammond ...... 62+ KANSAS Houma ...... 11 Lafayette ...... 3+, 10, 15, *24 Channel No. Lake Charles ...... 7-, *18-, 29- Minden ...... 21+ Chanute ...... *30+ Monroe ...... 8+, *13, Cimarron ...... 23 Morgan City ...... *14+ Colby ...... 4 Natchitoches ...... *20+ Columbus ...... *48- New Iberia ...... 36- Dodge City ...... *21- New Orleans ...... 4+, 6, 8-, * 12, 20-, 26, * 32+, 38+, Emporia ...... *25+ and 49 Ensign ...... 6+ Shreveport ...... 3-, 12, *24-, 33, and 45+ Fort Scott ...... 20+ Slidell ...... 54+ Garden City ...... 11+, 13-, *18 Tallulah ...... *19 Goodland ...... 10 West Monroe ...... 14-, 39+ Great Bend ...... 2 Hays ...... 7-, *9 Hoisington ...... 14 MAINE Hutchinson ...... *8, 12, 36+ Junction City ...... 31 Channel No. Lakin ...... *3 Lawrence ...... 38 Augusta ...... *10- Liberal ...... 5+ Bangor ...... 2-, 5+, 7- Manhattan ...... *21 Biddeford ...... *26- Oakley ...... *15- Calais ...... *13- Parsons ...... *39 Fort Kent ...... *46+

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MAINEÐContinued MICHIGANÐContinued

Channel No. Channel No.

Fryeburg ...... *18+ Marquette ...... 6-, *13, 19 Houlton ...... *25+ Mount Clemens ...... 38+ Kittery ...... *39 Mount Pleasant ...... *14 Lewiston ...... 35- Muskegon ...... 54+ Millinocket ...... *44- Onondaga ...... 10- Orono ...... *12- Petoskey ...... *23+ Poland Spring 8-. Port Huron ...... 46+ Portland ...... 6-, 13+, 51 Saginaw ...... 25-, 49- Presque Isle ...... 8, *10+, 62+ Sault Ste. Marie ...... 8, 10+, *32- Rumford ...... *43+ Traverse City ...... 7+, 29- Waterville ...... 23- University Center *19+. Vanderbilt ...... 45 West Branch ...... *24 MARYLAND

Channel No. MINNESOTA

Annapolis ...... *22+ Channel No. Baltimore ...... 2+, 11-, 13+, 24+, 45, 54, *67- Cumberland ...... 52+, 65 Alexandria ...... 7, * 24, and 42 Frederick ...... *62 Appleton ...... *10- Hagerstown ...... 25-, *31, and 68+ Austin ...... 6-, *15- Oakland ...... *36+ Bemidji ...... *9, 26+ Salisbury ...... 16+, *28-, 47- Brainerd ...... *22 Waldorf ...... *58+ Crookston ...... *33 Duluth ...... 3, *8, 10+, 21+, 27- Ely ...... *17- MASSACHUSETTS Fairmont ...... *16+ [See footnotes at end of tables] Hibbing ...... 13-, *18- International Falls ...... 11, *35+ Channel No. Mankato ...... 12, *26- Marshall ...... *30- Adams ...... 19 Minneapolis-St. Paul .. *2-, 4, 5-, 9+, 11-, *17, 23+, 29+, Boston ...... *2+, 4+, 5-, 7+, 25+, 38, *44, 68+ and 45 Cambridge ...... 56 Redwood Falls ...... 43 Greenfield ...... 32+ Rochester ...... 10, 47- Lawrence ...... 62 St. Cloud ...... 19, *25-, 41 Marlborough ...... 66 St. James ...... 32+ New Bedford ...... 6+, 28-, *34 Thief River Falls ...... 10, *30 North Adams ...... *35 Wadena ...... *20- Norwell ...... 46+ Walker ...... 12-, 38- Pittsfield ...... 51+ Wilmar ...... *14- Springfield ...... 22, 40, *57+ Winona ...... *35+, 44- Vineyard Haven ...... 58+ Worthington ...... *20 Worcester ...... 14, 1 27, *48+,

MISSISSIPPI MICHIGAN Channel No. Channel No. Biloxi ...... 13+, *19+, Alpena ...... *6, 11 Booneville ...... *12- Ann Arbor ...... 31+, *58+ Bude ...... *17+ Bad Axe ...... * 15-, 41- Clarksdale ...... *21 Battle Creek ...... 41+, and 43- Cleveland ...... *31- Bay City ...... 5-, 61+ Columbia ...... *45 Cadillac ...... 9, *27, 33 Columbus ...... 4-, *43 Calumet ...... 5-, *22- Greenville ...... 15-, 44 Cheboygan ...... 4+ Greenwood ...... 6+, *23+ Detroit ...... 2+, 4, 7-, 20+, 50-, *56, 62 Gulfport ...... 25- East Lansing ...... *23-, *69- Grenada ...... 22+ Escanaba ...... 3+ Hattiesburg ...... 22, *47 Flint ...... 12-, *28-, 66- Holly Springs ...... 40 Grand Rapids ...... 8+, 13+, 17-, *35+ Houston ...... 45+ Iron Mountain ...... 8-, *17+ Jackson ...... 3, 12+, 16, *29+, 40+, and 51 Ironwood ...... *15-, 24+ Laurel ...... 7, 18+ Ishpeming ...... 10 Magee ...... 34+ Jackson ...... 18+ Meridian ...... 11-, *14, 24-, 30- Kalamazoo ...... 3-, *52+, 64 Mississippi State ...... *2+ Lansing ...... 6-, 47, 53- Natchez ...... *42+, 48 Manistee ...... *21 Oxford ...... *18 Manistique ...... *15+ Senatobia ...... *34-

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MISSISSIPPIÐContinued NEBRASKAÐContinued

Channel No. Channel No.

Tupelo ...... 9-, 35+ Kearney ...... 13 Vicksburg ...... 35- Lexington ...... *3+ West Point ...... 27 Lincoln ...... 8+, 10+, *12-, 45, 51 Wiggins ...... 43-,56+ McCook ...... 8-, 16+, 12 Yazoo City ...... *32- Merriman ...... *12 Norfolk ...... *19+ MISSOURI North Platte ...... 235, 246, 278 Omaha ...... 3, 6+, 7, 15, *26, 42+, *48-, and 54 Channel No. Orchard ...... 16 Pawnee ...... 33+ Birchtree ...... *20- Scottsbluff ...... 10-, 16 Bowling Green ...... *35+ Superior ...... 4+ Cape Girardeau ...... 12, 23, *39- Carrollton ...... *18 Columbia ...... 8+, 17-*23+ NEVADA Flat River ...... *22 Hannibal ...... 7- Channel No. Jefferson City ...... 13, 25, *36- Joplin ...... 12+, 16, *26- Elko ...... 10-, *14+ Kansas City ...... 4, 5+, 9+, *19+, 32-, 41-, 50-, 62+, Ely ...... 3-, 6+ *68- Fallon ...... *25 Kennett ...... 58+ Goldfield ...... 7- King City ...... *28- Henderson ...... 5+ Kirksville ...... 3- Las Vegas ...... 3, 8-, *10+, 13-, 15+, 21+, and 33+ LaPlata ...... *21+ Lowry City ...... *15- McGill ...... *13 Poplar Bluff ...... 15+, *26+, 55 Paradise ...... 39+ Rolla ...... *28 Pawnee City ...... *33+ St. Joseph ...... 2-, 16-, 22 Reno ...... 2, 4, *5, 8, 11, 21+, and 27+ St. Louis ...... 2, 4-, 5-, *9, 11-, 24+, 30+, *40-, *46 Tonopah ...... 9-, *17+ Sedalia ...... 6 Winnemucca ...... 7+, *15- Sikeston ...... 45 Yerington ...... *16+ Springfield ...... 3+, 10, *21-, 27-, 33--

NEW HAMPSHIRE MONTANA [See footnotes at end of tables] Channel No. Channel No. Anaconda ...... 2+ Billings ...... 2-, 6, 8, *11, 14, 20+ Berlin ...... *40- Bozeman ...... 7-, *9 Concord ...... 21+ Butte ...... *2+, 4, 6+, 18, 24 Derry ...... 50- Cut Bank ...... *14- Durham ...... *11 Dillon ...... *14+ Hanover ...... *15+ Glendive ...... 5+, 13+, *16- Keene ...... *52+ Great Falls ...... 3+, 5+, 16, 26, *32 Littleton ...... *49+ Hardin ...... 4+ Manchester ...... 9-, Havre ...... 9+, 11-, and *18- Merrimack ...... 60+ Helena ...... 10+, 12, *15+ Portsmouth ...... 1 17- Joplin ...... 35-, 48, 54- Kalispell ...... 9-, *29- Lewistown ...... 13 NEW JERSEY Miles City ...... 3-, *10 Missoula ...... 8-, *11+, 13-, 17-, and 23- Channel No. Wolf Point ...... *17+ Atlantic City ...... *36, 53+, 62- Burlington ...... 48- NEBRASKA Camden ...... *23+ Channel No. Linden-Newark ...... 47+ Montclair ...... *50+ Albion ...... 18, *21+, 24+ Newark ...... 13-, 68 Alliance ...... *13- New Brunswick ...... *58 Bassett ...... *7- Newton ...... 63 Beatrice ...... 23+ Paterson ...... 41- Falls City ...... *24 Secaucus ...... 9+ Grand Island ...... 11-, 17 Trenton ...... *52- Hastings ...... 5-, *29+ Vineland ...... 59-, 65- Hayes Center ...... 6 West Milford ...... *66- Hay Springs- 4+ Wildwood ...... 40 Scottsbluff.

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NEW MEXICO NORTH CAROLINAÐContinued

Channel No. Channel No.

Alamogordo ...... *18- Columbia ...... *2 Albuquerque ...... 4+, *5+, 7+, 13+, 14-, 23-, *32+, 41, Concord ...... *58 50 Cullowhee ...... 50+ Carlsbad ...... 6-, *15+, 25- Durham ...... 11+, 28+ Clayton ...... *17 Fayetteville ...... 40+, 62 Clovis ...... 12-- Forest City ...... 66+ Deming ...... *16 Franklin ...... *56+ Farmington ...... 3, 12+, *15+ Goldsboro ...... 17- Gallup ...... *8-, 10 Greensboro ...... 2-, 48-, 61 Hobbs ...... 29+ Greenville ...... 9-, 14, *25, and 38+ Las Cruces ...... *22-, 48+ Hickory ...... 14- Lovington ...... *19 High Point ...... 8-, *32+, 67+ Portales ...... *3+ Jacksonville ...... *19, 35 Raton ...... *18- Kannapolis ...... 64- Roswell ...... 8, 10-, 21-, 27-, *33+ Laurel Hill ...... 59+ Santa Fe ...... 2+, *9+, 11-, 19- Lexington ...... 20 Silver City ...... 6, 10+, *12 Linville ...... *17 Socorro ...... *15- Lumberton ...... *31 Tucumcari ...... *15 Manteo ...... 4 Morehead City ...... 8+ Morganton ...... 23- NEW YORK New Bern ...... 12+ [See footnotes at end of tables] Raleigh ...... 5, 22, *34, 50+ Roanoke Rapids ...... *36- Channel No. Rockingham ...... *53 Rocky Mount ...... 47+ Albany-Schenectady .. 6, 10-, 13, *17+, 23-, *29+, 45 Washington ...... 7 Amsterdam ...... *39+, 55 Waynesville ...... 59 Arcade ...... 62- Wilmington ...... 3-, 6, 26-, *39- Batavia ...... 51- Wilson ...... 30- Bath ...... 14- Winston-Salem ...... 12, *26+, 45 Binghamton ...... 12-, 34, 40-, *46+ Buffalo ...... 2, 4, 7+, 17, *23, 29-, 49- Carthage ...... 7- NORTH DAKOTA Corning ...... *30, 48+ Elmira ...... 18+, 36- Channel No. Garden City ...... *21- Glens Falls ...... *58- Bismarck ...... *3, 5, 12-, 17-, 26+ Ilion ...... 67- Devils Lake ...... 8+, *22+ Ithaca ...... 52, *65+ Dickinson ...... 2+, *9-, 7 Jamestown ...... 26+, *46 Ellendale ...... *19- Kingston ...... 62+ Fargo ...... 6, 11+, *13, 15- Lake Placid ...... *34+ Grand Forks ...... *2, 14+, 27+ New York ...... 2, 4, 5+, 7, 11+, *25, 31- Jamestown ...... 7-, *23 North Pole ...... 5 Minot ...... *6+, 10-, 13-, 14-, 24 Norwood ...... *18 Pembina ...... 12 Oneonta ...... 1 15, *42 Valley City ...... 4- Plattsburg ...... *57 Williston ...... *4, 8-, 11-, *15- Poughkeepsie ...... 54+ Riverhead ...... 55+ Rochester ...... 8, 10+, 13-, *21, 31+, *61+ OHIO Saranac Lake ...... 61- [See footnotes at end of tables] Smithtown ...... 67 Springville ...... 67+ Channel No. Syracuse ...... 3-, 5-, 9-, *24+, 43+, 56+, 68- Utica ...... 2-, 4-, 20+, 33, *59 Akron ...... 23+, *49+, 55- Watertown ...... *16, 50+ Alliance ...... *45+ Waverly ...... *57- Ashtabula ...... 1 15 Athens ...... 20*, 63- Bowling Green ...... *27+ NORTH CAROLINA Cambridge ...... *44- Canton ...... 17-, 67 Channel No. Chillicothe ...... 53 Cincinnati ...... 5-, 9, 12, *48-, 64- Andrews ...... *59 Cleveland ...... 3, 5+, 8, *25+, 61 Asheville ...... 13-, 21+, *33, 62+ Columbus ...... 4-, 6+, 10+, 28-, *34, *56- Belmont ...... 46+ Dayton ...... 2, 7+, *16+, 22+, 45 Bryson City ...... *67 Defiance ...... 65+ Burlington ...... 16 Hillsboro ...... *24+, 55+ Canton ...... *27 Lima ...... 35-, 44+, *57+, 17 Chapel Hill ...... *4+ Lorain ...... 43 Charlotte ...... 3, 9+, 18, 36, *42+ Mansfield ...... *47+, 68-

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OHIOÐContinued PENNSYLVANIA [See footnotes at end of tables] [See footnotes at end of tables]

Channel No. Channel No.

Newark ...... *31-, 51 Allentown ...... *39, 69 Oxford ...... *14+ Altoona ...... 10-, 23-, 47, *57+ Portsmouth ...... 30, *42- Bethlehem ...... 60- Sandusky ...... 52 Clearfield ...... *3+ Shaker Heights 19. Erie ...... 12, 24, 35+, *54+, 66+ Greensburg ...... 40+ Springfield ...... 26+, *66 Harrisburg ...... 21+, 27-, *33+ Steubenville ...... 9+, *62+ Hazleton ...... 56 Toledo ...... 11-, 13, 24-, *30+, 36-, and 40- Jeanette ...... 19+ Xenia ...... 32 Johnstown ...... 6, 8-, 19+, *28+ Youngstown ...... 21-, 27, 33, *58 Lancaster ...... 8+, 15+ Zanesville ...... 18- Lebanon ...... 55- Philadelphia ...... 3, 6-, 10, 17-, 29, *35-, 57 Pittsburgh ...... 2-, 4+, 11, *13-, *16, 22, 53+ OKLAHOMA Reading ...... 51 [See footnotes at end of tables] Red Lion ...... 49+ Scranton ...... 16-, 22-, 38+, *44-, 64 Channel No. State College ...... 29+, and *59+ Wilkes Barre ...... 28 Ada ...... 10+, *22 Williamsport ...... 1 20-, 53- Altus ...... *27 York ...... 43, Ardmore ...... *17, *28- Bartlesville ...... 17+ RHODE ISLAND Cheyenne ...... 12+ Claremore ...... *35 [See footnotes at end of tables] Duncan ...... 40+ Channel No. Elk City ...... *15-, and 31 Enid ...... 20-, *26+ Block Island ...... 69- Eufaula ...... *3 Providence ...... 10+, 12+, 1 16, *36, 64+ Grove ...... 45+ Guymon ...... 9+, *16 Hugo ...... 42+, 1 *15+, *48+ SOUTH CAROLINA Lawton ...... 7+, *36-, 16-, 45 McAlester ...... *32- Channel No. Miami ...... *18- Muskogee ...... 19 Aiken ...... *44 Norman ...... 46- Allendale ...... *14 Oklahoma City ...... 4-, 5, 9-, *13, 14-, 25-, 34-, 43+, 52, Anderson ...... 40 and 62+ Beaufort ...... *16- Okmulgee ...... 44- Charleston ...... 2+, 4, 5+, *7-, 24, and 36+ Columbia ...... 10-, 19+, 25-, *35+, 47, 57- Sayre ...... 8+ Conway ...... *23+ Shawnee ...... 30 Florence ...... 13+, 15-, 21, *33+ Tulsa ...... 2+, 6+ 8-, *11-, 23, 41+, 47, 53, and Georgetown ...... *41- *63 Greenville ...... 4-, 16+, *29 Woodward ...... *17-, 35+ Greenwood ...... *38, 48+ Hardeeville ...... 28- Myrtle Beach ...... 32, 43+ OREGON Rock Hill ...... 30+, 55- Spartanburg ...... 7+, 49 Channel No. Sumter ...... *27- and 63- Astoria ...... *21 Bend ...... *3+, *15, 21+ SOUTH DAKOTA Brookings ...... *14- Burns ...... *18 Channel No. Coos Bay ...... 11, 23+, 41 Corvallis ...... *7- Aberdeen ...... 9-, *16- Eugene ...... 9+, 13, 16+, *28-, and 34 Allen ...... 22+ Grants Pass ...... *18+, 30+ Brookings ...... *8 Klamath Falls ...... 2-, *22+, and 31 Eagle Butte ...... *13 LaGrande ...... *13+, 16 Florence ...... 3- Medford ...... 5, *8+, 10+, 12+, and 26+ Huron ...... 12+ North Bend ...... *17+ Lead ...... 5-, 11+ Pendleton ...... 11- Lowry ...... *11-, 56, 62+, 68- Portland ...... 2, 6+, 8-, *10, 12, 24+, *30, 40- Martin ...... *8- Roseburg ...... 4+, 36, 46+ Mitchell ...... 5+ Salem ...... 22, 32 Pierre ...... 4, *10+ The Dalles ...... *17- Rapid City ...... 3+, 7+, *9, 15-, 21- Reliance ...... 6-

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SOUTH DAKOTAÐContinued TEXASÐContinued

Channel No. Channel No.

Seneca ...... *2- Greenville ...... 47+ Sioux Falls ...... 11, 13+, 17-, *23, 36+, 46 Harlingen ...... 4+, *44, 60 Vermillion ...... *2+ Houston ...... 2-, *8, 11+, 13-, *14, 20, 26, 39-, and 61 Irving ...... 49 TENNESSEE Jacksonville ...... 56 Katy ...... 51+ Channel No. Kennville ...... 35+ Killeen ...... 62 Athens ...... *24 Lake Dallas ...... 55 Chattanooga ...... 3+, 9, 12+, *45, 61- Laredo ...... 8, 13, 27-, *39 Cleveland ...... 53 Liano ...... 14- Cookeville ...... *22, 28+ Longview ...... 16+, 51-, and 54+ Crossville ...... 20+, *55+ Lubbock ...... *5-,11,13-, 16+, 28, and 34- Fayetteville ...... *29- Lufkin ...... 9 Greeneville ...... 39- McAllen ...... 48 Hendersonville ...... 50 Marfa ...... 3 Jackson ...... 7+, 16+, *32+ Marshall ...... *22-, 35+ Jellico ...... 54- Midland ...... 2-, 18 Johnson City ...... 11-, *41 Mineola ...... 64+ Kingsport ...... 19 Monahans-Odessa .... 9- Knoxville ...... 6, 8, 10+, *15-, 26-, 43+ Nacogdoches ...... 19-, *32 Lebanon ...... 66-- Odessa ...... 7-, 24-, 30, *36+, and 42 Lexington ...... *11+ Palestine ...... 43 Livingston ...... 60- Paris, Texas ...... 36+, 42+ McMinnville ...... 33+ Port Arthur ...... 4- Memphis ...... 3-, 5+, *10+, 13+, *14+, 24, 30, 50+, Presidio ...... 7+ and *56 Rio Grande City ...... 40 Murfreesboro ...... 39+ Rosenberg ...... 45 Nashville ...... 2-, 4+, 5, *8+, 17+, 30+, *42, and 58 San Angelo ...... 3-, 6, 8+, *21+ Sneedville ...... *2+ San Antonio ...... 4, 5, *9-, 12+, *23-, 29+, 41+, and Tazewell ...... 48+ 60+ Tullahoma ...... 64+ Sherman ...... 12-, 20-, *26- Union City ...... 41 Snyder ...... 17- Sonora ...... 11+ Sulphur Springs ...... 18 TEXAS Sweetwater ...... 12 Temple ...... 6+, Channel No. Texarkana ...... 6, 17-, *34 Tyler ...... 7,14+, *38, and 60 Abilene ...... 9+, 15, *26+, 32+ Uvalde ...... 26- Alpine ...... 12- Victoria ...... 19+, 25, 31, and *47 Alvin ...... 67 Waco ...... 10+, 25+, *34+, 44- Amarillo ...... *2+, 4, 7, 10, 14+ Weslaco ...... 5- Austin ...... 7+, *18+, 24, 36, 42-, and 54 Wichita Falls ...... 3+, 6-, 18-, *24 Bay City ...... *43+ Wolfforth ...... 22- Baytown ...... 57+ Beaumont ...... 6-, 12-, 21, *34- Belton ...... 46- UTAH Big Spring ...... 4-, *14 Blanco ...... 52+ Channel No. Boquillas ...... 8- Brady ...... 13 Cedar City ...... 4, *16+ Brownsville ...... 23 Logan ...... 12-, *22 Bryan ...... 3, 28 Moab ...... *14+ Childress ...... *21 Monticello ...... *16- College Station ...... *15, 50- Ogden ...... *9+, *18-, 24, 30 Conroe ...... 49+ and 55+ Price ...... 3+, *15 Corpus Christi ...... 3-, 6, 10-, *16, 28-, 38+ Provo ...... *11-, 16, 32 Crockett ...... 40 Richfield ...... 8+, *19 Dallas ...... 4+, 8, *13+, 27-, 33+, 39, and 58 Salt Lake City ...... 2-, 4-, 5+, *7-, 13+, 14-, 20+, *26- Decatur ...... 29 St. George ...... 12, *18- Del Rio ...... 10, *24+ Vernal ...... 6, *17+ Denton ...... *2 Eagle Pass ...... 16+ El Paso ...... 4, 7, 9, *13, 14, 26+, *38--, and 65 VERMONT Farwell ...... 18+ Fort Stockton ...... 5+ Channel No. Fort Worth ...... 5+, 11-, 21-, *31+, and 52- Fredericksburg ...... 2+ Burlington ...... 3, 22+, *33-, 44+ Galveston ...... *22, 48 Hartford ...... 31 Garland ...... 23 Rutland ...... *28+

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VERMONTÐContinued WEST VIRGINIAÐContinued [See footnotes at end of tables] Channel No. Channel No. St. Johnsbury ...... *20- Windsor ...... *41 Clarksburg ...... 12+, 46- Fairmont ...... 66- Grandview ...... *9- VIRGINIA Huntington ...... 3+, 13+, *33+ Channel No. Keyser ...... *30+ Lewisburg ...... 59 Arlington ...... 14- Martinsburg ...... *44, 60+ Ashland ...... 65+ Morgantown ...... *24- Blacksburg ...... *43, 65- Oak Hill ...... 4 Bristol ...... 5+, *28- Parkersburg ...... 15-, 39+, *57 Bluefield ...... *63+ Weirton ...... *50+ Charlottesville ...... 29-, *41-, 64+ Weston ...... 5 Courtland ...... *52 Wheeling ...... 7, 1 14, *41 Danville ...... 24-, 44+, *56 Williamson ...... *31+ Farmville ...... *31- Fairfax ...... *56- Fredericksburg ...... 69+ WISCONSIN Front Royal ...... *42 Goldvein ...... *53 Channel No. Grundy ...... 68 Harrisonburg ...... 3- Antigo ...... 46 Lynchburg ...... 13, 21-, *54+ Appleton ...... 32+ Manassas ...... 66+ Bloomington ...... *49 Marion ...... *52- Chippewa Falls ...... 48 Norfolk-Portsmouth- 3+, 10+, 13-, *15, 27, 33, 49- and Crandon ...... 4 Newport News-. Eagle River ...... 34 Hampton ...... *55+ Eau Claire ...... 13+, 18 Norton ...... *47- Fond du Lac ...... 68 Onancock ...... *25+ Green Bay ...... 2+, 5+, 11+, 26+, *38, 44+ Petersburg ...... 8 Highland ...... *51 Richmond ...... 6+, 12-, *23, 35+, *57-, 63 Janesville ...... 57+ Roanoke ...... 7-, 10, *15+, 27+, 38-, and 60 Kenosha ...... 55- Staunton ...... *51- Kieler ...... *46+ Virginia Beach ...... 21+, 43+ LaCrosse ...... 8+, 19+, 25, *31 West Point ...... *46 Madison ...... 3, 15, *21-, 27+, 47+ Manitowoc ...... 16+ Marshfield ...... 39- WASHINGTON Mayville ...... 52 Menomonie ...... *28- Channel No. Milwaukee ...... 4-, 6, *10+, 12, 18-, 24+, 30, *36, and 58 Anacortes ...... 64 Oshkosh ...... 22+and *50+ Bellevue ...... 33+, 51+ Park Falls ...... *36+ Bellingham ...... 12+, 24, *34 Racine ...... 49+ Centralia ...... *15+ Rhinelander ...... 12+ East Wenatchee ...... 249A Rice Lake ...... 16 Everett ...... 16- Richland Center ...... 45+ Kennewick ...... 42+ Sheboygan ...... 28 Morton ...... 39 Sturgeon Bay ...... 42 Olympia ...... 67 Superior ...... 6+, 40 Pasco ...... 19- Suring ...... 14- Pullman ...... *10-, 24+ Tomah ...... 43 Richland ...... 25, *31 Wausau ...... 7-, 9, *20+, 33- Rochester ...... 26+ Wittenberg ...... 55 Seattle ...... 4, 5+, 7, *9, 22+, 45+, and *62 Spokane ...... 2-, 4-, 6-,*7+22, 28-, and 34- Tacoma ...... 11+, 13-, 20, *28, and *56 WYOMING Vancouver ...... *14, 49 Walla Walla ...... 9+ Channel No. Wenatchee ...... *18+, 27 Yakima ...... 23+, 29+, 35, *47 Casper ...... 2+, *6+, 13+, 14-, 20- Cheyenne ...... 5+, *17, 27-, 33- WEST VIRGINIA Jackson ...... 2, 11+ Lander ...... *4, 5 [See footnotes at end of tables] Laramie ...... *8+ Rawlins ...... 11- Channel No. Riverton ...... 10+ Rock Springs ...... 13 Bluefield ...... 6-, 40- Sheridan ...... 7, 9+, 12+ Charleston ...... 8+, 11+, 23, 29, *49-

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U.S. TERRITORIES AND POSSESSIONS Table, will not be accepted for filing. [See footnotes at end of tables] However, applications specifying chan- nels which accord with publicly an- Channel No. nounced FCC Orders changing the Guam: Table of Allotments will be accepted Agana ...... *4, 8, 10, *12 for filing even though such applica- Tamuning ...... 14, 20 Puerto Rico: tions are tendered before the effective Aguada ...... 50 dates of such channel changes. Aguadilla ...... *32, 44 Arecibo-Aguadilla ... 12+ [51 FR 44070, Dec. 8, 1986] Arecibo ...... 54, 60 Bayamon ...... 36 § 73.609 Zones. Caguas ...... 11-, *58 Carolina ...... 52 (a) For the purpose of allotment and Cayey. assignment, the United States is di- Fajardo ...... 13+, 34, and *40 Guayama ...... 46 vided into three zones as follows: Humacoa ...... 68 (1) Zone I consists of that portion of Mayaguez ...... 3+, 5-, 16, 22 the United States located within the Naranjito ...... 64 Ponce ...... 7+, 9-, 14, 20, *26, 48 confines of the following lines drawn San Juan ...... 2+, 4-, *6+, 18, 24, 30, and *62 on the U.S. Albers Equal Area Projec- San Sebastian ...... 38 tion Map (based on standard parallels Utuado. 1 ° 1 ° Yauco ...... 42 29 ⁄2 and 45 ⁄2 ; North American datum): Virgin Islands: Beginning at the most easterly point Charlotte Amalie .... 10-, 17, *23, 43 on the State boundary line between Charlotte Amalie- *3, 6 *12 Christiansted. North Carolina and Virginia; thence in Christiansted ...... 8+, 15, *21, 27 a straight line to a point on the Vir- Frederiksted ...... 66 ginia-West Virginia boundary line lo- Footnotes to tables: cated at north latitude 37°49′ and west 1 Following the decision in Docket No. 18261, channels so longitude 80°12′30″; thence westerly indicated will not be available for television use until further action by the Commission. along the southern boundary lines of 2 Operation on this channel is subject to the conditions, the States of West Virginia, Ohio, Indi- terms, and requirements set out in the Report and Order in Docket No. 19075, RM±1645, adopted January 5, 1972, re- ana, and Illinois to a point at the junc- leased January 7, 1972, FCC 72±19. tion of the Illinois, Kentucky, and Mis- 3 [Reserved] 4 This channel is not available for use at Elgin unless and souri State boundary lines; thence until it is determined by the Commission that it is not needed northerly along the western boundary for use at Joliet, Ill. 5 [Reserved] line of the State of Illinois to a point 6 Stations using these allotments shall limit radiation toward at the junction of the Illinois, Iowa, stations on the same channel in Puerto Rico, to no more than the effective radiated power which would be radiated by an and Wisconsin State boundary lines; omnidirectional radio station using maximum permissible ef- thence easterly along the northern fective radiated power for antenna height above average ter- rain, at the minimum distances from such stations specified in State boundary line of Illinois to the Sec. 73.610(b). The FCC shall consider the status of the ne- 90th meridian; thence north along this gotiations with the appropriate British authorities concerning ° these allotments when the applications for construction per- meridian to the 43.5 parallel; thence mits come before the FCC. east along this parallel to the United States-Canada border; thence southerly (Sec. 5, 48 Stat. 1068; 47 U.S.C. 155) and following that border until it again [28 FR 13660, Dec. 14, 1963] intersects the 43.5° parallel; thence east EDITORIAL NOTE: For FEDERALREGISTER ci- along this parallel to the 71st meridian; tations affecting § 73.606, see the List of CFR thence in a straight line to the inter- Sections Affected in the Finding Aids sec- section of the 69th meridian and the tion of this volume. 45th parallel; thence east along the 45th parallel to the Atlantic Ocean. § 73.607 Availability of channels. When any of the above lines pass Applications may be filed to con- through a city, the city shall be consid- struct TV broadcast stations only on ered to be located in Zone I. (See Fig- the channels designated in the Table of ure 1 of § 73.699.) Allotments (§ 73.606(b)) and only in the (2) Zone II consists of that portion of communities listed therein. Applica- the United States which is not located tions which fail to comply with this re- in either Zone I or Zone III, and Puerto quirement, whether or not accom- Rico, Alaska, Hawaiian Islands and the panied by a petition to amend the Virgin Islands.

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(3) Zone III consists of that portion of (b) Minimum co-channel allotment the United States located south of a and station separations: line, drawn on the United States Albers (1) Equal Area Projection Map (based on Kilometers standard parallels 29.50 and 45.50 North Zone American datum), beginning at a point Channels 2±13 Channels 14±69 on the east coast of Georgia and the I ...... 272.7 (169.5 miles) 248.6 (154.5 miles) 31st parallel and ending at the United II ...... 304.9 (189.5 miles) 280.8 (174.5 miles) States-Mexican border, consisting of III ...... 353.2 (219.5 miles) 329.0 (204.5 miles) arcs drawn with a 241.4 kilometer (150 mile) radius to the north from the fol- (2) The minimum co-channel distance lowing specified points: separation between a station in one zone and a station in another zone West lon- shall be that of the zone requiring the North latitude gitude lower separation. (a) ...... 29°40′00″ 83°24′00″ (c) Minimum allotment and station (b) ...... 30°07′00″ 84°12′00″ adjacent channel separations applica- ° ′ ″ ° ′ ″ (c) ...... 30 31 00 86 30 00 ble to all zones: (d) ...... 30°48′00″ 87°58′30″ (e) ...... 30°00′00″ 90°38′30″ (1) Channels 2–13 95.7 kilometers (59.5 (f) ...... 30°04′30″ 93°19′00″ miles). Channels 14–69 87.7 kilometers (g) ...... 29°46′00″ 95°05′00″ (54.5 miles). (h) ...... 28°43′00″ 96°39′30″ (2) Due to the frequency spacing ° ′ ″ ° ′ ″ (i) ...... 27 52 30 97 32 00 which exists between Channels 4 and 5, between Channels 6 and 7, and between When any of the above arcs pass Channels 13 and 14, the minimum adja- through a city, the city shall be consid- cent channel separations specified ered to be located in Zone II. (See Fig- above shall not be applicable to these ure 2 of § 73.699.) pairs of channels (see § 73.603(a)). [28 FR 13660, Dec. 14, 1963, as amended at 33 (d) In addition to the requirements of FR 15422, Oct. 17, 1968; 50 FR 23697, June 5, paragraphs (a), (b) and (c) of this sec- 1985; 51 FR 44070, Dec. 8, 1986] tion, the minimum assignment and sta- tion separations between stations on § 73.610 Minimum distance separations Channels 14–69, inclusive, as set forth between stations. in Table II of § 73.698 must be met in ei- (a) The provisions of this section re- ther rule-making proceedings looking late to allotment separations and sta- towards the amendment of the Table of tion separations. Petitions to amend Assignments (§ 73.606(b)) or in licensing the Table of Allotments (§ 73.606(b)) proceedings. No channel listed in col- (other than those also expressly re- umn (1) of Table II of § 73.698 will be as- questing amendment of this section or signed to any city, and no application § 73.609) will be dismissed and all appli- for an authorization to operate on such cations for new TV broadcast stations a channel will be granted, unless the or for changes in the transmitter sites distance separations indicated at the of existing stations will not be accept- top of columns (2) through (7), inclu- ed for filing if they fail to comply with sive, are met with respect to each of the requirements specified in para- the channels listed in those columns graphs (b), (c) and (d) of this section. and parallel with the channel in col-

NOTE: Licensees and permittees of tele- umn (1). vision broadcast stations which were operat- (e) The zone in which the transmitter ing on April 14, 1952 pursuant to one or more of a television station is located or pro- separations below those set forth in § 73.610 posed to be located determines the ap- may continue to so operate, but in no event plicable rules with respect to co-chan- may they further reduce the separations nel distance separations where the below the minimum. As the existing separa- transmitter is located in a different tions of such stations are increased, the new zone from that in which the channel to separations will become the required mini- mum separations until separations are be employed is located. reached which comply with the requirements (f) The distances listed below apply of § 73.610. Thereafter, the provisions of said only to allotments and assignments on section shall be applicable. Channel 6 (82–88 MHz). The Commission

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will not accept petitions to amend the the United States of America. If this pub- Table of Allotments, applications for lication does not contain the coordi- new stations, or applications to change nates for said other community, the the channel or location of existing as- coordinates of the main post office signments where the following mini- thereof shall be used. mum distances (between transmitter (3) Where no authorized transmitter sites, in kilometers) from any FM sites are available for use as reference Channel 253 allotment or assignment points in both communities for the per- are not met: tinent channels, the distance between the two communities listed in the MINIMUM DISTANCE SEPARATION FROM FM above publication shall be used. If said CHANNEL 253 (98.5 MHZ) publication does not contain such dis- TV Zones II tance, the separation between the two Fm Class TV Zone I & III communities shall be determined by the distance between the coordinates A ...... 17 22 B1 ...... 19 23 thereof as set forth in the publication. B ...... 22 26 Where such coordinates are not con- C3 ...... 19 23 tained in the publication, the coordi- C2 ...... 22 26 C1 ...... 29 33 nates of the main post offices of said C ...... 36 41 communities shall be used. (4) Where the distance between the (Secs. 4, 5, 303, 48 Stat., as amended, 1066, reference point in a community to 1068, 1082 (47 U.S.C. 154, 155, 303)) which a channel is proposed to be as- [28 FR 13660, Dec. 14, 1963, as amended at 37 signed and the reference point in an- FR 25842, Dec. 5, 1972; 44 FR 65765, Nov. 15, other community or communities does 1979; 47 FR 35990, Aug. 18, 1982; 50 FR 23698, not meet the minimum separation re- June 5, 1985; 51 FR 44070, Dec. 8, 1986; 54 FR 14964, Apr. 14, 1989; 54 FR 16368, Apr. 24, 1989; quirements of § 73.610, the channel may 54 FR 35340, Aug. 25, 1989] be assigned to such community upon a showing that a transmitter site is § 73.611 Reference points and distance available that would meet the mini- computations. mum separation requirements of (a) In considering petitions to amend § 73.610 and the minimum field strength the Table of Allotments (§ 73.606(b)), requirements of § 73.685. In such cases, the following reference points shall be where a station is not authorized in the used by the Commission in determining community or communities to which assignment separations between com- measurements from the proposed chan- munities: nel assignment must be made pursuant (1) Where transmitter sites for the to § 73.610 a showing should also be pertinent channels have been author- made that the distance between suit- ized in communities involved in a peti- able transmitter sites in such other tion to amend the Table of Allotments, community or communities and the separations between such communities proposed transmitter site for the new shall be determined by the distance be- channel meet the Commission’s mini- tween the coordinates of the author- mum spacing and coverage require- ized transmitter sites in the respective ments. communities as set forth in the Com- (b) Station separations in licensing mission’s authorizations therefor. proceedings shall be determined by the (2) Where an authorized transmitter distance between the coordinates of the site is available for use as a reference proposed transmitter site in one com- point in one community but not in the munity and other for the pertinent channels, sepa- (1) The coordinates of an authorized rations shall be determined by the dis- transmitter site for the pertinent chan- tance between the coordinates of the nel in the other community; or, where transmitter site as set forth in the such transmitter site is not available FCC’s authorization therefor and the for use as a reference point, coordinates of the other community as (2) The coordinates of the other com- set forth in the publication of the Unit- munity as set forth in the Index to The ed States Department of the Interior National Atlas of the United States of entitled, Index to The National Atlas of America; or if not contained therein,

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(3) The coordinates of the main post mum distance separations specified in office of such other community. this subpart. (4) In addition, where there are pend- NOTE: The nature and extent of the protec- ing applications in other communities tion from interference accorded to TV broad- which, if granted, would have to be cast stations which were authorized prior to considered in determining station sepa- April 14, 1952, and which were operating on rations, the coordinates of the trans- said date is limited not only as specified mitter sites proposed in such applica- above but is further limited by any smaller tions must be used to determine wheth- separations existing between such stations er the requirements with respect to on said date. Where, as a result of the adop- tion of the Table of Allotments or of changes minimum separations between the pro- in transmitter sites made by such stations posed stations in the respective cities after said date, separations smaller than the have been met. required minimum are increased but still re- (c) In measuring assignment and sta- main lower than the required minimum, pro- tion separations involving cities listed tection accorded such stations will be lim- in the Table in combination, where ited to the new separations. there is no authorized transmitter site [28 FR 13660, Dec. 14, 1963, as amended at 32 in any of the combination cities on the FR 8814, June 21, 1967; 50 FR 23698, June 5, channel involved, separation measure- 1985; 51 FR 44070, Dec. 8, 1986] ments shall be made from the reference point which will result in the lowest § 73.614 Power and antenna height re- separation. quirements. (d) To calculate the distance between (a) Minimum requirements. Applica- two reference points see paragraph (c), tions will not be accepted for filing if § 73.208. However, distances shall be they specify less than ¥10 dBk (100 rounded to the nearest tenth of a kilo- watts) horizontally polarized visual ef- meter. fective radiated power in any hori- [52 FR 11655, Apr. 10, 1987] zontal direction. No minimum antenna height above average terrain is speci- § 73.612 Protection from interference. fied. (b) Maximum power. Applications will (a) Permittees and licensees of TV not be accepted for filing if they speci- broadcast stations are not protected fy a power which exceeds the maximum from any interference which may be permitted boundaries specified in the caused by the grant of a new station or following formulas: of authority to modify the facilities of (1) Channels 2–6 in Zone I: an existing station in accordance with the provisions of this subpart. The na- ERPMax=102.57–33.24*Log10(HAAT) ture and extent of the protection from And, interference accorded to TV broadcast stations is limited solely to the protec- ¥10 dBk ≤ ERPMax≤20 dBk tion which results from the minimum (2) Channels 2–6 in Zones II and III: allotment and station separation re- quirements and the rules and regula- ERPMax=67.57–17.08* Log10 (HAAT) tions with respect to maximum powers And, and antenna heights set forth in this 10 dBk ≤ ERPMax≤20 dBk subpart. (b) When the Commission determines (3) Channels 7–13 in Zone I:

that grant of an application would ERPMax=107.57–33.24* Log10 (HAAT) serve the public interest, convenience, And, and necessity and the instrument of ≤ ≤ authorization specifies an antenna lo- ¥4.0 dBk ERPMax 25 dBk cation in a designated antenna farm (4) Channels 7–13 in Zones II and III: area which results in distance separa- ERP =72.57–17.08* Log (HAAT) tion less than those specified in this Max 10 subpart, TV broadcast station permit- And,

tees and licensees shall be afforded pro- 15 dBk ≤ ERPMax≤25 dBk tection from interference equivalent to (5) Channels 14–69 in Zones I, II, and the protection afforded under the mini- III:

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ERPMax=84.57–17.08* Log10 (HAAT) meter. Midway figures will be author- And, ized in the lower alternative.

27 dBk ≤ ERPMax≤37 dBk [50 FR 23698, June 5, 1985] Where: § 73.621 Noncommercial educational ERPMax=Maximum Effective Radiated Power TV stations. measured in decibels above 1 kW (dBk). HAAT=Height Above Average Terrain meas- In addition to the other provisions of ured in meters. this subpart, the following shall be ap- plicable to noncommercial educational The boundaries specified are to be used television broadcast stations: to determine the maximum possible combination of antenna height and (a) Except as provided in paragraph (b) of this section, noncommercial edu- ERPdBk. When specifying an ERPdBk less than that permitted by the lower cational broadcast stations will be li- boundary, any antenna HAAT can be censed only to nonprofit educational used. Also, for values of antenna HAAT organizations upon a showing that the greater than 2,300 meters the maximum proposed stations will be used pri- ERP is the lower limit specified for marily to serve the educational needs each equation. of the community; for the advance- (6) The effective radiated power in ment of educational programs; and to any horizontal or vertical direction furnish a nonprofit and noncommercial may not exceed the maximum values television broadcast service. permitted by this section. (1) In determining the eligibility of (7) The effective radiated power at publicly supported educational organi- any angle above the horizontal shall be zations, the accreditation of their re- as low as the state of the art permits, spective state departments of edu- and in the same vertical plane may not cation shall be taken into consider- exceed the effective radiated power in ation. either the horizontal direction or below (2) In determining the eligibility of the horizontal, whichever is greater. privately controlled educational orga- (c) Determination of applicable rules. nizations, the accreditation of state de- The zone in which the transmitter of a partments of education or recognized television station is located or pro- regional and national educational ac- posed to be located determines the ap- crediting organizations shall be taken plicable rules with respect to maxi- into consideration. mum antenna heights and powers for (b) Where a municipality or other po- VHF stations when the transmitter is litical subdivision has no independ- located in Zone I and the channel to be ently constituted educational organiza- employed is located in Zone II, or the tion such as, for example, a board of transmitter is located in Zone II and education having autonomy with re- the channel to be employed is located spect to carrying out the municipal- in Zone I. ity’s educational program, such mu- nicipality shall be eligible for a non- [28 FR 13660, Dec. 14, 1963, as amended at 42 commercial educational television FR 20823, Apr. 22, 1977; 42 FR 48881, Sept. 26, 1977; 47 FR 35990, Aug. 18, 1982; 50 FR 23698, broadcast station. In such cir- June 5, 1985; 56 FR 49707, Oct. 1, 1991; 58 FR cumstances, a full and detailed show- 51250, Oct. 1, 1993] ing must be made that a grant of the application will be consistent with the § 73.615 Administrative changes in au- intent and purpose of the Commission’s thorizations. rules and regulations relating to such In the issuance of television broad- stations. cast station authorizations, the Com- (c) Noncommercial educational tele- mission will specify the transmitter vision broadcast stations may transmit output power and effective radiated educational, cultural and entertain- power to the nearest 0.1 dBk. Power ment programs, and programs designed specified by kWs shall be obtained by for use by schools and school systems converting dBk to kWs to 3 significant in connection with regular school figures. Antenna heights above average courses, as well as routine and admin- terrain will be specified to the nearest istrative material pertaining thereto.

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(d) A noncommercial educational tel- § 73.682(a)(22)(ii) may be used for remu- evision station may broadcast pro- nerative purposes. grams produced by or at the expense of, [28 FR 13660, Dec. 14, 1963, as amended at 35 or furnished by persons other than the FR 7558, May 15, 1970; 47 FR 36179, Aug. 19, licensee, if no other consideration than 1982; 48 FR 27068, June 13, 1983; 49 FR 29069, the furnishing of the program and the July 18, 1984; 50 FR 4664, Feb. 1, 1985; 50 FR costs incidental to its production and 4684, Feb. 1, 1985; 61 FR 36304, July 10, 1996] broadcast are received by the licensee. § 73.622 Digital television table of al- The payment of line charges by an- lotments. other station, network, or someone (a) General. The following table of al- other than the licensee of a non- lotments contains the digital tele- commercial educational television sta- vision (DTV) channel allotments des- tion, or general contributions to the ignated for the listed communities in operating costs of a station, shall not the United States, its Territories, and be considered as being prohibited by possessions. The initial DTV Table of this paragraph. Allotments was established on April 3, (e) Each station shall furnish a non- 1997, to provide a second channel for profit and noncommercial broadcast DTV service for all eligible analog tele- service. Noncommercial educational vision broadcasters. Requests for addi- television stations shall be subject to tion of new DTV allotments, or re- the provisions of § 73.1212 to the extent quests to change the channels allotted that they are applicable to the broad- to a community must be made in a pe- cast of programs produced by, or at the tition for rule making to amend the expense of, or furnished by others. No DTV Table of Allotments. A request to promotional announcements on behalf of amend the DTV table to change the for profit entities shall be broadcast at channel of an allotment in the DTV any time in exchange for the receipt, in table will be evaluated for technical whole or in part, of consideration to acceptability using engineering cri- teria set forth in § 73.623(c). A request the licensee, its principals, or employ- to amend the DTV table to add a new ees. However, acknowledgements of allotment will be evaluated for tech- contributions can be made. The sched- nical acceptability using the geo- uling of any announcements and ac- graphic spacing criteria set forth in knowledgements may not interrupt regu- § 73.623(d). DTV allotments designated lar programming. with an asterisk are assigned for use by NOTE: Commission interpretation of this non-commercial educational broadcast rule, including the acceptable form of ac- stations only. Stations operating on knowledgements, may be found in the Sec- DTV allotments designated with a ‘‘c’’ ond Report and Order in Docket No. 21136 are required to comply with paragraph (Commission Policy Concerning the Non- (g) of this section. commercial Nature of Educational Broadcast (1) Petitions requesting the addition Stations), 86 F.C.C. 2d 141 (1981); the Memo- of a new allotment must specify a randum Opinion and Order in Docket No. channel in the range of channels 2–51. 21136, 90 FCC 2d 895 (1982), and the Memoran- (2) Petitions requesting a change in dum Opinion and Order in Docket 21136, 49 the channel of an initial allotment FR 13534, April 5, 1984. must specify a channel in the range of (f) Telecommunications Service on channels 2–59. the Vertical Blanking Interval and in (b) DTV Table of Allotments.

the Visual Signal. The provisions gov- Community Channel No. erning VBI and visual signal tele- communications service in § 73.646 are Alabama: Anniston ...... 58 applicable to noncommercial edu- Bessemer ...... 18c cational TV stations. Birmingham ...... 30, 36, 50, 52, *53 Demopolis ...... *19 (g) Non-program related data signals Dothan ...... 21, 36 transmitted on Line 21 pursuant to Dozier ...... *59

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Community Channel No. Community Channel No.

Florence ...... 14c, 20, *22 Fresno ...... 7, 9, 14, 16, *40 Gadsden ...... 26, 45c Hanford ...... 20c Homewood ...... 28 Huntington Beach ...... *48 Huntsville ...... *24c, 32c, 41, 49c, Los Angeles ...... 8c, 35c, 36, *41c, 59 42, 43, *59c, 60, Louisville ...... *42c 65c, 66, 68 Mobile ...... 9c, *18, 20c, 26, 27 Merced ...... 38 Montgomery ...... *14, 16, 46c, 51, Modesto ...... 18c 57 Monterey ...... 31, 32 Mount Cheaha ...... *56 Novato ...... 47 Opelika ...... 31 Oakland ...... 56 Ozark ...... 33c Ontario ...... 47c Selma ...... 55 Oxnard ...... 24 Troy ...... 48 Palm Springs ...... 46, 52 Tuscaloosa ...... 34c Paradise ...... 20 Tuskegee ...... 24 Porterville ...... 48c Alaska: Rancho Palos Verdes ...... 51c Anchorage ...... 18, 20, 22, *24, Redding ...... 14, *18 *26, 28, 30, 32 Riverside ...... 69 Bethel ...... *3 Sacramento ...... 21, 35, 48, *53, 55, Dillingham ...... *9 61 Fairbanks ...... 18, 22, *24, 26, 28 Salinas ...... 13, 43 Juneau ...... *6, 11 San Bernardino ...... *26, 38, 61c Ketchikan ...... *8, 13 San Diego ...... 18, 19, 25, *30, North Pole ...... 20 40c, 55 Sitka ...... 2 San Francisco ...... 19c, 24, 27c, 28, Arizona: 29, *33c, *34, Flagstaff ...... 18, 22, 27, 28 39c, 45c, 57 Green Valley ...... 47c San Jose ...... 12c, 41c, 49c, *50, Kingman ...... 19, *46 52 Lake Havasu City ...... 35c San Luis Obispo ...... 15, 34c McNary ...... *42 San Mateo ...... *59c Mesa ...... 36 Sanger ...... 36 Nogales ...... 25 Santa Ana ...... 53c Phoenix ...... 14c, 17, 20c, 23, Santa Barbara ...... *26, 27 24, 26, *29, 34c, Santa Maria ...... 19 49 Santa Rosa ...... 54 Prescott ...... 25 Stockton ...... 25, 46, 62 Sierra Vista ...... 44 Twentynine Palms ...... 23 Tolleson ...... 52c Vallejo ...... 30 Tucson ...... 19c, *28c, *30, 31, Ventura ...... 49 32, 35, 41c Visalia ...... 28, *50c Yuma ...... 16, 41 Watsonville ...... *58 Arkansas: Colorado: Arkadelphia...... *46 Alamosa ...... *46 El Dorado ...... 27 Boulder ...... 15c Fayetteville...... 15, *45 Broomfield ...... *36 Fort Smith ...... 17, 18, 21 Castle Rock ...... 47 Hot Springs ...... 14 Colorado Springs ...... 10c, 22c, 24 Jonesboro ...... *20c, 49c, 58 Craig ...... *48 Little Rock ...... 12c, 22, 32, 33, Denver ...... 16, 17, *18, 19c, 43c, *47 32c, 34, 35, Mountain View ...... *35 *40c, 44, 51c Newark ...... *26 Durango ...... 17 Pine Bluff ...... 24c, 39c Fort Collins ...... 21c Rogers ...... 50c Glenwood Springs ...... 23, *39 Springdale...... 39 Grand Junction ...... 2, 7c, 14, 15, *16 California: La Junta ...... *30 Anaheim ...... 32 Lamar ...... *50 Arcata ...... 22c Leadville ...... *49 Bakersfield...... 10, 25, 33, 55 Longmont ...... 26c Barstow ...... *27, 44 Montrose ...... 13 Blythe ...... *4 Pueblo ...... 27, *29 Calipatria ...... 50 Steamboat Springs ...... 10 Ceres ...... *15 Sterling ...... 23 Chico ...... 36, 43, *51 Trinidad ...... *43 Clovis ...... 44c Connecticut: Coalinga ...... *22 Bridgeport ...... 42c, *52 Concord ...... 63c Hartford ...... 5, 11, *32, 46 Corona ...... 39c New Britain ...... 35 Cotati ...... *23c New Haven ...... 6, 10, *39 El Centro ...... 22, 48 New London ...... 34 Eureka ...... *11, 16, 17, 28c Norwich ...... *45 Fort Bragg...... 15 Waterbury ...... 12

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Community Channel No. Community Channel No.

Delaware: Thomasville ...... 52 Seaford ...... *44 Toccoa ...... 24 Wilmington ...... 31, *55 Valdosta ...... 43c District of Columbia: Waycross ...... *18 Washington ...... 6c, *27c, *33c, 34, Wrens ...... *36 35, 39, 48, 51c Hawaii: Florida: Hilo ...... 8, 18, *19, 21, 22, Boca Raton ...... *44c 23, *31, *39 Bradenton ...... *5, 42 Honolulu ...... 8, *18, 19, 22, 23, Cape Coral ...... 35c 27, 31, 33, 35, Clearwater ...... 21c *39, 40, *43 Clermont ...... 17c Kailua Kona ...... 25 Cocoa ...... *30, 51c Kaneohe ...... 41 Daytona Beach ...... 11, 49 Lihue ...... *7, *12, *28, *45 Fort Lauderdale ...... 52c Wailuku ...... 16, 20, 24, *28, 29, Fort Myers ...... 15, *31c, 53 *30, *34, 36 Fort Pierce ...... *38, 50 Idaho: Fort Walton Beach ...... 25, 40, 49 Boise ...... *21, 25, 26 Gainesville ...... 16, *36 Burley ...... *48 High Springs ...... 28 Caldwell ...... 10c Hollywood ...... 47 Coeur D'alene ...... *56 Jacksonville ...... 13c, 19, 32, 34, Filer ...... *18c *38, 42, *44 Grangeville ...... *44 Key West ...... 3, 12 Idaho Falls ...... 9c, 36 Lake Worth ...... 36 Lewiston ...... 32 Lakeland ...... 19 Moscow ...... *33 Leesburg ...... 40, *46c Nampa ...... 22, 27 Live Oak ...... 48 Pocatello ...... *17, 23 Marathon ...... *34 Twin Falls ...... 16, *24, 34c Melbourne ...... 20, 48 Weiser ...... *34 Miami ...... 8c, 9c, *18c, *19, Illinois: 20, 21, 22c, 24c, Aurora ...... 59c 30, 32c, 46c Bloomington ...... 28 Naples ...... 43, 45c Carbondale ...... *40 New Smyrna Beach ...... *33 Champaign ...... 41, 48 Ocala ...... 31 Charleston ...... *50c Orange Park ...... 10 Chicago ...... 3c, 19c, *21c, 27c, Orlando ...... 14, 22, *23c, 39, 29, 31c, 43c, 41, 58 45c, *47, 52 Palm Beach ...... 49 Decatur ...... 18c, 22c Panama City ...... 19, 29c, *38, 41 East St. Louis ...... 47c Panama City Beach ...... 47c Freeport ...... 41 Pensacola ...... 17, *31, 34c, 45c Harrisburg ...... 34 Sarasota ...... 52 Jacksonville ...... *15c St. Petersburg ...... 24, 57, 59 Joliet ...... 53 Tallahassee ...... 2, 22, *32 Lasalle ...... 10 Tampa ...... 7c, 12c, 29c, *34, Macomb ...... *21c 47, *54 Marion ...... 17 Tequesta ...... 16 Moline ...... *23c, 38 Tice ...... 33 Mount Vernon ...... 21 Venice ...... 25 Olney ...... *19 West Palm Beach ...... 13c, *27, 28c, 55 Peoria ...... 30c, 39, 40, *46c, Georgia: 57 Albany ...... 17, 30c Quincy ...... 32, *34, 54 Athens ...... *22, 48 Rock Island ...... 58 Atlanta ...... 10c, 19, 20, *21, Rockford ...... 16c, 42, 54 25, 27, *38, 39, Springfield ...... 42, 44, 53 43 Urbana ...... 26c, *33 Augusta ...... 30, 31, 42, 51 Indiana: Bainbridge ...... 50c Angola ...... 12 Baxley ...... 35c Bloomington ...... *14, 27, 53, 56 Brunswick ...... 24 Elkhart ...... 58 Chatsworth ...... *33 Evansville ...... 28, 45c, *54, 58, Cochran ...... *7 59 Columbus ...... 15, *23, 35, 47, 49 Fort Wayne ...... 4, 19, 24, 36, *40c Cordele ...... 51 Gary ...... *17, 51c Dalton ...... 16 Hammond ...... 36 Dawson ...... *26c Indianapolis ...... 9c, 16, *21c, 25, Macon ...... 16, 40c, 45, 50 *44, 45, 46 Monroe ...... 44 Kokomo ...... 54 Pelham ...... *20 Lafayette ...... 11 Perry ...... 32 Marion ...... 32 Rome ...... 51 Muncie ...... 52 Savannah ...... 15, 23c, 39, *46 Richmond ...... 30

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Community Channel No. Community Channel No.

Salem ...... 57c West Monroe ...... 36, 38c South Bend ...... 30, *35c, 42, 48 Maine: Terre Haute ...... 24, 36, 39c Augusta ...... *17 Vincennes ...... *52 Bangor ...... 14, 19, 25 Iowa: Biddeford ...... *45 Ames ...... 59 Calais ...... *15 Burlington ...... 41 Lewiston ...... 39 Cedar Rapids ...... 27c, 47c, 51, 52 Orono ...... *22c Centerville ...... *44 Poland Spring ...... 46 Council Bluffs ...... *33c Portland ...... 4, 38, 44 Davenport ...... *34, 49, 56 Presque Isle ...... 16, *20 Des Moines ...... 16c, 19, 26, 31, Maryland: *50 Annapolis ...... *42 Dubuque ...... 43 Baltimore ...... *29, 38, 40, 41, Fort Dodge ...... *25 46c, 52, 59 Iowa City ...... 25, *45 Frederick ...... *28 Mason City ...... *18, 42 Hagerstown ...... 16, *44, 55 Ottumwa ...... 14c Oakland ...... *54 Red Oak ...... *35c Salisbury ...... 21, 53, *56 Sioux City ...... *28c, 30, 39, 41, Massachussetts: 49 Adams ...... 36 Waterloo ...... *35, 55 Boston ...... *19, 20, 30, 31, 32, Kansas: 39c, 42, *43c Colby ...... 15 Cambridge ...... 41 Ensign ...... 5c Lawrence ...... 18 Fort Scott ...... 40 Marlborough ...... 23 Garden City ...... 17, 18, *42 New Bedford ...... 22, 49 Goodland ...... 14 Norwell ...... 52 Great Bend ...... 22 Springfield ...... 33, 55, *58c Hays ...... *16, 20 Vineyard Haven ...... 40 Hutchinson ...... 19, *29, 35c Worcester ...... 29, *47c Lakin ...... *23 Michigan: Lawrence ...... 39c Alpena ...... 13, *57 Oakley ...... *40 Ann Arbor ...... 33 Pittsburg ...... 30 Bad Axe ...... *15 Salina ...... 17c Battle Creek ...... 20, 44c Topeka ...... *23, 26c, 44, 48c Bay City ...... 22 Wichita ...... 21, 25c, 34c, 45 Cadillac ...... 40, 47, *58 Kentucky: Calumet ...... 18 Ashland ...... *26c, *45 Cheboygan ...... 14 Beattyville ...... 7 Detroit ...... 14, 21c, 41, *43, Bowling Green ...... 16, *18, 33, *48 44, 45, 58 Campbellsville ...... 19 East Lansing ...... *55 Covington ...... *24 Escanaba ...... 48 Danville ...... 4 Flint ...... 16, 36, *52 Elizabethtown ...... *43 Grand Rapids ...... 7c, *11, 19, 39 Harlan ...... 51 Iron Mountain ...... 22 Hazard ...... 12, *16 Jackson ...... 34 Lexington ...... 20, 40, *42, 59 Kalamazoo ...... 2c, *5, 45 Louisville ...... 8, *17, 26, *38, 47, Lansing ...... 38, 51, 59 49, 55 Manistee ...... *17 Madisonville ...... 20c, *42 Marquette ...... *33, 35 Morehead ...... *15, 21 Mount Clemens ...... 39c Murray ...... *36 Mount Pleasant ...... *56 Newport ...... 29 Muskegon ...... 24 Owensboro ...... 29 Onondaga ...... 57 Owenton ...... *44 Saginaw ...... 30, 48c Paducah ...... 32, 41, 50c Sault Ste. Marie ...... 49, 56 Pikeville ...... *24 Traverse City ...... 31, 50 Somerset ...... *14 University Center ...... *18c Louisiana: Vanderbilt ...... 59 Alexandria ...... *26c, 32c, 35 West Branch ...... *24 Baton Rouge ...... *22, 34c, 42, 45c, Minnesota: 46 Alexandria ...... 14, 24 Columbia ...... 57 Appleton ...... *31 Lafayette ...... 16c, *23c, 28, 56 Austin ...... *20, 33 Lake Charles ...... *20, 30c, 53 Bemidji ...... *18 Monroe ...... *19, 55 Brainerd ...... *28 New Orleans ...... *11c, 14, 15, 29, Duluth ...... 17, 33, *38, 43 30, *31c, 39c, Hibbing ...... 36, *51 43, 50c Mankato ...... 38 Shreveport ...... 17, *23c, 28, 34c, Minneapolis ...... 21, 22c, *26, 32, 44c 35, *44c Slidell ...... 24 Redwood Falls ...... 27

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Community Channel No. Community Channel No.

Rochester ...... 36, 46c Elko ...... 8, *15 St. Cloud ...... 40c Henderson ...... 24 St. Paul ...... *16c, *34, 50 Las Vegas ...... 2c, 7c, *11c, 16c, Thief River Falls ...... 57 17, 20c, 32c Walker ...... 20 Paradise ...... 38c Worthington ...... *15 Reno ...... *15, 22c, 23, 26c, Mississippi: 32, 33, 41 Biloxi ...... *35, 36 Winnemucca ...... 12 Booneville ...... *55 New Hampshire: Bude ...... *18c Berlin ...... *15 Columbus ...... 35 Concord ...... 33 Greenville ...... 17 Derry ...... 35 Greenwood ...... *26, 54 Durham ...... *57 Gulfport ...... 48 Keene ...... *49c Hattiesburg ...... 23c Littleton ...... *48c Holly Springs ...... 41c Manchester ...... 59c Jackson ...... *20, 21, 41c, 51, Merrimack ...... 34 52 New Jersey: Laurel ...... 28 Atlantic City ...... 46, 49 Meridian ...... 25c, 31c, *47, 49 Burlington ...... 27 Mississippi State ...... *38 Camden ...... *22c Natchez ...... 49c Linden ...... 36 Oxford ...... *36 Montclair ...... *51c Tupelo ...... 57 New Brunswick ...... *18 West Point ...... 16 Newark ...... 53c, 61 Missouri: Newton ...... 8c Birch Tree ...... *7 Paterson ...... 40c Bowling Green ...... *50 Secaucus ...... 38 Cape Girardeau ...... 22c, 57 Trenton ...... *43 Columbia ...... 22, 36 Vineland ...... 66c Hannibal ...... 29 West Milford ...... *29 Jefferson City ...... 12c, 20 Wildwood ...... 36 Joplin ...... *25c, 43, 46 New Mexico: Kansas City ...... 14, *18c, 24, 31c, Albuquerque ...... 16, *17, 21, 22c, 34, 42c, 47, 51c *25, 26, 42c, 51c King City ...... *28 Carlsbad ...... 19 Kirksville ...... 33 Clovis ...... 20 Poplar Bluff ...... 18 Farmington ...... 15 Sedalia ...... 15 Gallup ...... 8 Springfield ...... 19, *23, 28c, 44, Hobbs ...... 17 52 Las Cruces ...... *23c, 28 St. Joseph ...... 21, 53 Portales ...... *32 St. Louis ...... 14, 26, 31c, 35, Roswell ...... 28c, 38, 41 *39, 43, 56 Santa Fe ...... 10c, 27, 29 Montana: Silver City ...... 12, *33 Billings ...... 11, 17, 18 Socorro ...... *31 Bozeman ...... 16, *20 New York: Butte ...... 2, 15, 19c Albany ...... 4, 15, 26 Glendive ...... 15 Amsterdam ...... 50 Great Falls ...... 39, 44, 45 Batavia ...... 53 Hardin ...... 19 Binghamton ...... 4, 7, 8, *42 Helena ...... 14, 29 Buffalo ...... 14, *32, 33, 34, 38, Kalispell ...... 38 39, *43 Miles City ...... 13, *39 Carthage ...... 35 Missoula ...... *27, 35, 36, 40 Corning ...... 50 Nebraska: Elmira ...... 2, 55 Albion ...... 23c Garden City ...... *22c Alliance ...... *24 Jamestown ...... 27c Bassett ...... *15 Kingston ...... 21 Grand Island ...... 19, 32 New York ...... *24c, 28, 30c, 33, Hastings ...... *14, 21 44, 45, 56 Hayes Center ...... 18 North Pole ...... 14 Kearney ...... 35 Norwood ...... *23 Lexington ...... *26 Plattsburgh ...... *38 Lincoln ...... 25, 31, *40 Poughkeepsie ...... 27 McCook ...... 12 Riverhead ...... 57 Merriman ...... *17 Rochester ...... *16, 28, 45, 58, 59 Norfolk ...... *16 Schenectady ...... *34, 39, 43 North Platte ...... *16, 22 Smithtown ...... 23 Omaha ...... *17, 20, 22, 38, Springville ...... 46 43c, 45 Syracuse ...... 17, 19, *25c, 44c, Scottsbluff ...... 19, 29 47, 54 Superior ...... 34 Utica ...... 27, 29, 30 Nevada: Watertown ...... 21, *41

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Community Channel No. Community Channel No.

North Carolina: Claremore ...... *36c Asheville ...... *25, 45, 56, 57 Enid ...... 18 Belmont ...... 47c Eufaula ...... *31 Burlington ...... 14 Guymon ...... *29 Chapel Hill ...... *59 Lawton ...... 23 Charlotte ...... 21, 22, 23, *24, 34 Oklahoma City ...... 15c, 16, 24c, 27, Columbia ...... *20 *32, 33c, 39, 40, Concord ...... *44 50, 51c Durham ...... 27c, 52 Okmulgee ...... 28 Fayetteville ...... 36, 38 Shawnee ...... 29c Goldsboro ...... 55 Tulsa ...... 22c, *38, 42c, 48c, Greensboro ...... 32, 33, 51 49, 55, 56, 58 Greenville ...... 10c, 21, *23 Oregon: Hickory ...... 40 Bend ...... *11, 18 High Point ...... 35 Coos Bay ...... 21, 22c Jacksonville ...... 34c, *44 Corvallis ...... *39 Kannapolis ...... 50 Eugene ...... 14, 17c, 25, 26, Lexington ...... 19c *29c Linville ...... *54 Klamath Falls ...... 29, *33, 40 Lumberton ...... *25 La Grande...... *5 Morehead City ...... 24 Medford ...... 15, 27c, 35, 38, New Bern ...... 48 *42 Raleigh ...... 49c, 53, 57 Pendleton ...... 4 Roanoke Rapids ...... *39 Portland ...... *27, 30, 40, 43, 45, Rocky Mount ...... 15 46 Washington ...... 32 Roseburg ...... 18, 19, 45c Wilmington ...... *29, 30, 46, 54 Salem ...... 20, 33c Wilson ...... 42 Pennsylvania: Winston-Salem ...... 29, 31, *43 Allentown ...... 46, *62c North Dakota: Altoona ...... 24c, 32, 46c Bismarck ...... 16c, *22, 23, 31 Bethlehem...... 59c Devils Lake ...... 59 Clearfield ...... *15 Dickinson ...... 18, 19, *20 Erie ...... 16, 22, *50, 52, 58 Ellendale ...... *20c Greensburg ...... 50 Fargo ...... 19, 21, *39, 58 Harrisburg ...... 4, *36, 57 Grand Forks ...... *56 Hazleton ...... 9 Jamestown ...... 14 Johnstown...... 29, 30, 34 Minot ...... 15c, 45, *57, 58 Lancaster ...... 23, 58 Pembina ...... 15 Philadelphia ...... 26, 32, *34c, 42, Valley City ...... 38 54, 64c, 67 Williston ...... 14, *51, 52 Pittsburgh ...... 25, *26, *38, 42, Ohio: 43, 48, 51 Akron ...... 30, *32c, 59 Reading ...... 25 Alliance ...... *46c Red Lion ...... 30 Athens ...... *27 Scranton ...... 13, 31, 32, *41, 49 Bowling Green ...... *56 Wilkes-Barre ...... 11 Cambridge ...... *35 Williamsport ...... 29 Canton ...... 39, 47 York ...... 47 Chillicothe ...... 46 Rhode Island: Cincinnati ...... 10c, 31, 33, *34, Block Island ...... 17 35 Providence...... 13c, *21, 51, 54c Cleveland ...... 2c, 15, *26c, 31, 34 South Carolina: Columbus ...... 11c, 13, 14, 36, Allendale ...... *33 *38 Anderson ...... 14 Dayton ...... 39, 41, 50, 51, *58 Beaufort ...... *44 Lima ...... 20, 57 Charleston ...... 35c, 40, *49, 52, Lorain ...... 28 53, 59 Mansfield ...... 12 Columbia ...... 8, 17, *32, 41, 48 Newark ...... 24 Conway ...... *58 Oxford ...... *28 Florence ...... 16c, 20c, *45, 56 Portsmouth ...... 17, *43c Greenville ...... *9, 52, 59 Sandusky ...... 42 Greenwood ...... *18 Shaker Heights ...... 10 Hardeeville ...... 27c Springfield ...... 18 Myrtle Beach ...... 18 Steubenville ...... 57 Rock Hill ...... 15, 39 Toledo ...... 5, 17, 19, *29c, 46, Spartanburg ...... 43, 53 49 Sumter ...... *28c, 38 Youngstown ...... 20c, 36, 41 South Dakota: Zanesville ...... 40 Aberdeen ...... *17c, 28 Oklahoma: Brookings ...... *18 Ada ...... 26 Eagle Butte ...... *24 Altus ...... *42 Florence ...... 25 Bartlesville...... 14 Huron ...... 22 Cheyenne ...... *8 Lead ...... 26, 27

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Community Channel No. Community Channel No.

Lowry ...... *15 Lufkin ...... 43 Martin ...... *20 McAllen ...... 30 Mitchell ...... 26 Midland ...... 26 Pierre ...... 19, *21 Nacogdoches ...... 18c Rapid City ...... 16c, 18, 22c, *23 Odessa ...... 15, *22, 23c, 31c, Reliance ...... 14 43c Sioux Falls ...... 7, *24c, 29, 32, Port Arthur ...... 40 47c, 48 Rio Grande City ...... 20 Vermillion ...... *34 Rosenberg ...... 46c Tennessee: San Angelo ...... 11, 16, 19 Chattanooga ...... *29, 35, 40, 47, 55 San Antonio ...... *16, *20, 30c, 39, Cleveland ...... 42 40c, 48, 55, 58 Cookeville ...... 36, *52 Sherman ...... 20 Crossville ...... 50 Snyder ...... 10 Greeneville ...... 38c Sweetwater ...... 20 Hendersonville ...... 51c Temple ...... 50 Jackson ...... 39, 43 Texarkana ...... 15, *50 Jellico ...... 23 Tyler ...... 38 Johnson City ...... 58 Victoria ...... 15, 34 Kingsport ...... 27 Waco ...... *20, 26c, 53, 57 Knoxville ...... *17, 26, 30, 31, 34 Weslaco ...... 13 Lebanon ...... 44 Wichita Falls ...... 17c, 22, 28 Lexington ...... *47 Utah: Memphis ...... 25c, 28, *29c, 31c, Cedar City ...... 14, *44 51c, 52, 53 Monticello ...... *41 Murfreesboro ...... 38c Ogden ...... 29c, *35 Nashville ...... 10, 15, 21, 23, 27, Provo ...... 17c, *39 *46, 56 Salt Lake City ...... 27c, 28, 34, 36, 38, Sneedville ...... *41 *40 Texas: St. George ...... 9 Abilene ...... 24, 29 VERMONT: Alvin ...... 36 Burlington ...... 16, *32c, 43c, 53 Hartford ...... 25 Amarillo ...... 9c, 15c, 19, *21, 24 Rutland ...... *56 Arlington ...... 42 St. Johnsbury ...... *18 Austin ...... 21, *22, 33, 43c, Windsor ...... *24 49, 56 Virginia: Baytown ...... 41 Arlington ...... 15c Beaumont ...... 21, *33c, 50 Ashland ...... 47 Belton ...... 47c Bristol ...... 28 Big Spring ...... 33 Charlottesville ...... *14, 32 Brownsville ...... 24c Danville ...... 41 Bryan ...... 29c, 59 Fairfax ...... *57c College Station ...... *12 Front Royal ...... *21 Conroe ...... 5, 42 Goldvein ...... *30 Corpus Christi ...... 18, *22, 27c, 47, Grundy ...... 49 50 Hampton ...... 41 Dallas ...... 9c, *14, 32c, 35, Hampton-Norfolk ...... *16c 36, 40c, 45 Harrisonburg ...... 49 Decatur ...... 30c Lynchburg ...... 20c, *34, 56 Del Rio ...... 28 Manassas ...... 36 Denton ...... *31 Marion ...... *42 Eagle Pass ...... 18 Norfolk ...... 14c, 38, 58 El Paso ...... 15c, 16, 17, 18, Norton ...... *32 25c, *29, *39c, Petersburg ...... 22c 51 Portsmouth ...... 19, 31 Fort Worth ...... 18, 19, 41, 51c Richmond ...... *24c, 25, 26, *44, Galveston ...... *23c, 47c 54 Garland ...... 24c Roanoke ...... *3, 17, 18, 30, 36 Greenville ...... 46c Staunton ...... *19 Harlingen ...... 31, *34, *38 Virginia Beach ...... 29 Houston ...... 19c, *24, 27c, 31, West Point ...... *46 32, 35, 38c, 44c, Washington: *53 Bellevue ...... 32c, 50c Irving ...... 48c Bellingham ...... 19, 35 Jacksonville ...... 22 Centralia ...... *19 Katy ...... 52c Everett ...... 31 Kerrville ...... 17 Kennewick ...... 14 Killeen ...... 23 Pasco ...... 20c Lake Dallas ...... 43 Pullman ...... *17 Laredo ...... 14, 15, 19 Richland ...... 26c, *30c Llano ...... 27 Seattle ...... 25, 38, 39, *41, Longview ...... 52c 44c, 48 Lubbock ...... 25, 27c, 35c, *39, Spokane ...... 29c, 38, *39, 54, 40, 44 55, 57

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Community Channel No. broadcast stations only on the chan- nels designated in the DTV Table of Al- Tacoma ...... 14, 18, *26, 36, *42 Vancouver ...... 48c lotments set forth in paragraph (b) of Wenatchee ...... 56 this section, and only in the commu- Yakima ...... 16, *21, 34c, 52 nities listed therein. Applications that West Virginia: Bluefield ...... 14, 46 fail to comply with this requirement, Charleston ...... *16, 19, 39, 55 whether or not accompanied by a peti- Clarksburg ...... 28, 52 tion to amend the DTV Table, will not Grandview ...... *53 be accepted for filing. However, appli- Huntington ...... 23, *34c, 54 Lewisburg ...... 48 cations specifying channels that accord Martinsburg ...... 12 with publicly announced FCC Orders Morgantown ...... *33 changing the DTV Table of Allotments Oak Hill ...... 50 Parkersburg ...... 49 will be accepted for filing even if such Weston ...... 58 applications are tendered before the ef- Wheeling ...... 56 fective dates of such channel change. Wisconsin: An application for authority to con- Appleton ...... 59 Chippewa Falls ...... 49c struct a DTV station on an allotment Eagle River ...... 17 in the initial DTV table may only be Eau Claire ...... 15, 39 filed by the licensee or permittee of the Fond du Lac ...... 44 Green Bay ...... 23, 41, *42, 51, 56 analog TV station with which that ini- Janesville ...... 32 tial allotment is paired, as set forth in Kenosha ...... 40 Appendix B of the Sixth Report and La Crosse ...... 14, 17, *30c, 53 Order in MM Docket 87–268, FCC 97–115, Madison ...... 11, 19, *20c, 26c, 50 adopted April 3, 1997. Copies of the Manitowoc ...... 19 Sixth Report and Order may be in- Mayville ...... 43 spected during normal business hours Menomonie ...... *27c Milwaukee ...... *8, 22, 25c, 28, 33, at the: Federal Communications Com- 34, *35c, 46, 61 mission, 1919 M St., NW., Dockets Park Falls ...... *47 Branch (Room 239), Washington, DC Racine ...... 48c 20554. This document is also available Rhinelander ...... 16 Superior ...... 19 through the Internet on the FCC Home Suring ...... 21 Page at http://www.fcc.gov. Applica- Wausau ...... *24, 29, 40 tions may also be filed to implement Wyoming: Casper ...... 15c, 17, 18 an exchange of channel allotments be- Cheyenne ...... 11, 28c, 30 tween two or more licensees or permit- Jackson ...... 14 tees of analog TV stations in the same Lander ...... 7, *8 community, provided, however, that Rawlins ...... 9 Riverton ...... 16 the other requirements of this section Rock Springs ...... 19 and of § 73.623 are met with respect to Sheridan ...... 21 each such application. Puerto Rico: Aguada ...... 62 (d) Reference points and distance com- Aguadilla ...... 17c, *34, 69 putations. (1) The reference coordinates Arecibo ...... 53c, 61c of a DTV allotment included in the ini- Bayamon ...... 59c tial DTV Table of Allotments are the Caguas ...... 56, *57c Carolina ...... 51c coordinates of the authorized transmit- Fajardo ...... 33c, *38 ting antenna site of the analog TV sta- Guayama ...... 45c tion with which that initial allotment Humacao ...... 49 Mayaguez ...... 23c, 29, 35, 63 is paired, as set forth in Appendix B of Naranjito ...... 65c the Sixth Report and Order in MM Dock- Ponce ...... 19c, *25c, 43c, et 87–268 (referenced in paragraph (c) of 47c, 66, 67c this section). An application for au- San Juan ...... 21, 27c, 28, 31c, 32, *55c thority to construct or modify DTV fa- San Sebastian ...... 39c cilities may specify an alternate loca- Yauco ...... 41c tion for the DTV transmitting antenna Virgin Islands: Charlotte Amalie ...... *44c, 48, 50 that is within 5 kilometers of the DTV Christiansted ...... 5, 20 allotment reference coordinates with- out consideration of electromagnetic (c) Availability of channels. Applica- interference to other DTV or analog tions may be filed to construct DTV TV broadcast stations, allotments or

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applications, provided the application whether proposed or modified stations complies with paragraph (f)(2) of this would meet the required technical cri- section. Location of a DTV broadcast teria or separations, as defined in station’s transmitting antenna at a § 73.623, the coordinates of the trans- site more than 5 kilometers from the mitter sites proposed in such applica- DTV allotment reference coordinates tions must be used to determine wheth- must comply with the provisions of er those requirements have been met. § 73.623(c). In the case where a DTV sta- (5) To calculate the distance between tion has been granted authority to con- two reference points, see § 73.208(c). struct more than 5 kilometers from its However, distances shall be rounded to reference coordinates pursuant to the nearest tenth of a kilometer. § 73.623(c), and its authorized coverage (e) DTV Service Areas. The service area extends in any azimuthal direc- area of a DTV station is the geographic tion beyond the DTV coverage area de- area within which the predicted termined for the DTV allotment ref- F(50,90) field strength of the station’s erence facilities, then the coordinates signal, in dB above 1 microvolt per of such authorized site are to be used meter (dBu), exceeds the following lev- in addition to the coordinates of the els: DTV allotment to determine protec- tion from new DTV allotments pursu- dBu ant to § 73.623(d) and from subsequent Channels 2±6 ...... 28 DTV applications filed pursuant to Channels 7±13 ...... 36 § 73.623(c). Channels 14±69 ...... 41 (2) The reference coordinates of a DTV allotment not included in the ini- These are the levels at which recep- tial DTV Table of Allotments will be tion of DTV service is limited by noise. designated in the FCC Order changing Evaluation of field strength in deter- the DTV Table of Allotments and must mining service areas shall be made meet the geographic spacing require- using the terrain dependent Longley- ments of § 73.623(d). An application for Rice point-to-point propagation model. authority to construct or modify such Guidance for evaluating coverage areas DTV facilities must comply with the using the Longley-Rice methodology is provisions of § 73.623(c). In the case provided in OET Bulletin No. 69. Copies where such a DTV station has been of OET Bulletin No. 69 may be inspected granted authority to construct pursu- during normal business hours at the: ant to § 73.623(c) and its authorized cov- Federal Communications Commission, erage area extends in any azimuthal di- 1919 M St., NW., Dockets Branch (Room rection beyond the DTV coverage area 239), Washington, DC 20554. This docu- determined for the DTV allotment ref- ment is also available through the erence facilities, then the coordinates Internet on the FCC Home Page at of such authorized site are to be used http://www.fcc.gov. in addition to the coordinates of the (f) DTV maximum power and antenna DTV allotment to determine protec- heights. (1) The maximum effective ra- tion from new DTV allotments pursu- diated power (ERP) and antenna height ant to § 73.623(d) and from subsequent above average terrain (HAAT) for an DTV applications filed pursuant to allotment included in the initial DTV § 73.623(c). Table of Allotments are set forth in (3) The reference coordinates defined Appendix B of the Sixth Report and in paragraphs (d)(1) and (d)(2) of this Order in MM Docket 87–268 (referenced section shall be used in considering pe- in paragraph (c) of this section). These titions to amend the DTV Table of Al- limits also appear on the construction lotments and in determining whether permit and license issued for each DTV interference occurs between DTV sta- station. In each azimuthal direction, tions and between DTV and analog TV the reference ERP value is based on the stations. HAAT of the corresponding analog TV (4) In cases where there are pending station and achieving predicted cov- applications for DTV stations in other erage equal to that analog TV station’s communities which, if granted, would predicted Grade B contour, as defined have to be considered in determining in § 73.683.

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(2) An application for authority to (i) At higher HAAT levels, such DTV construct or modify DTV facilities will stations will be allowed to operate with not be subject to further consideration lower maximum ERP levels in accord- of electromagnetic interference to ance with the following table and for- other DTV or analog TV broadcast sta- mulas: tions, allotments or applications, pro- vided that: MAXIMUM ALLOWABLE ERP AND ANTENNA (i) The proposed ERP in each azi- HEIGHT FOR DTV STATIONS IN ZONES II OR muthal direction is equal to or less III ON CHANNELS 2±6 than the reference ERP in that direc- Antenna HAAT ERP tion; and (meters) (kW) (ii) The proposed HAAT is equal to or less than the reference HAAT; and 610 ...... 10 (iii) The application complies with 580 ...... 11 the location provisions in paragraph 550 ...... 12 520 ...... 14 (d)(1) of this section. 490 ...... 16 (3) DTV licensees and permittees may 460 ...... 19 request an increase in either ERP in 425 ...... 22 some azimuthal direction or HAAT, or 395 ...... 26 both, that exceed the initial technical 365 ...... 31 facilities specified for the allotment in 335 ...... 37 Appendix B the Sixth Report and Order, 305 ...... 45 up to the maximum permissible limits (ii) The allowable maximum ERP for on DTV power and antenna height set intermediate values of HAAT is deter- forth in this section or up to that need- mined using linear interpolation based ed to provide the same geographic cov- on the units employed in the table. For erage area as the largest station within DTV stations located in Zone I that op- their market. Such requests must be erate on channels 2–6 with an HAAT accompanied by a technical showing that exceeds 305 meters, the allowable that the increase complies with the maximum ERP expressed in decibels technical criteria in § 73.623(c), and thereby will not result in new inter- above 1 kW (dBk) is determined using ference, or statements agreeing to the the following formula, with HAAT ex- change from any co-channel or adja- pressed in meters:

cent channel stations that might be af- ERPmax=92.57–33.24*log10(HAAT) fected by potential new interference. In the case where a DTV station has been (iii) For DTV stations located in granted authority to construct pursu- Zone II or III that operate on channels ant to § 73.623(c), and its authorized 2–6 with an HAAT that exceeds 610 me- coverage area extends in any azimuthal ters, the allowable maximum ERP ex- direction beyond the DTV coverage pressed in decibels above 1 kW (dBk) is area determined for the DTV allotment determined using the following for- reference facilities, then the author- mula, with HAAT expressed in meters: ized DTV facilities are to be used in ad- ERPmax=57.57–17.08*log10(HAAT) dition to the assumed facilities of the initial DTV allotment to determine (5) A DTV station that operates on a protection from new DTV allotments channel 7–13 allotment created subse- pursuant to § 73.623(d) and from subse- quent to the initial DTV Table will be quent DTV applications filed pursuant allowed a maximum ERP of 30 kW if its to § 73.623(c). antenna HAAT is at or below 305 me- (4) A DTV station that operates on a ters and it is located in Zone I or a channel 2–6 allotment created subse- maximum ERP of 160 kW if its antenna quent to the initial DTV Table will be HAAT is at or below 305 meters and it allowed a maximum ERP of 10 kW if its is located in Zone II or Zone III. antenna HAAT is at or below 305 me- (i) At higher HAAT levels, such DTV ters and it is located in Zone I or a stations will be allowed to operate with maximum ERP of 45 kW if its antenna lower maximum ERP levels in accord- HAAT is at or below 305 meters and it ance with the following table and for- is located in Zone II or Zone III. mulas:

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MAXIMUM ALLOWABLE ERP AND ANTENNA MAXIMUM ALLOWABLE ERP AND ANTENNA HEIGHT FOR DTV STATIONS IN ZONES II OR HEIGHT FOR DTV STATIONS ON CHANNELS III ON CHANNELS 7±13 14±59, ALL ZONESÐContinued

Antenna HAAT ERP Antenna HAAT ERP (meters) (kW) (meters) (kW)

610 ...... 30 425 ...... 750 580 ...... 34 395 ...... 900 550 ...... 40 365 ...... 1000 520 ...... 47 490 ...... 54 460 ...... 64 (ii) The allowable maximum ERP for 425 ...... 76 intermediate values of HAAT is deter- 395 ...... 92 mined using linear interpolation based 365 ...... 110 335 ...... 132 on the units employed in the table. For 305 ...... 160 DTV stations located in Zone I, II or III that operate on channels 14–59 with (ii) The allowable maximum ERP for an HAAT that exceeds 610 meters, the intermediate values of HAAT is deter- allowable maximum ERP expressed in mined using linear interpolation based decibels above 1 kW (dBk) is deter- on the units employed in the table. For mined using the following formula, DTV stations located in Zone I that op- with HAAT expressed in meters: erate on channels 7–13 with an HAAT that exceeds 305 meters, the allowable ERPmax=72.57–17.08*log10(HAAT) maximum ERP expressed in decibels (g) For DTV stations using a channel above 1 kW (dBk) is determined using allotment designated with a ‘‘c’’ in the following formula, with HAAT ex- paragraph (b) of this section, the pilot pressed in meters: carrier frequency of the DTV signal must be maintained 5.082138 MHz above ERPmax=97.35–33.24*log10(HAAT) the visual carrier frequency of the ana- (iii) For DTV stations located in log TV broadcast station operating on Zone II or III that operate on channels the lower adjacent channel, located 7–13 with an HAAT that exceeds 610 me- within 88 kilometers of the DTV broad- ters, the allowable maximum ERP ex- cast station. This frequency difference pressed in decibels above 1 kW (dBk) is must be maintained within a tolerance determined using the following for- of #3 Hz. mula, with HAAT expressed in meters: (h)(1) The field strength or voltage of

ERPmax=62.34–17.08*log10(HAAT) emissions on frequencies outside the authorized channel of operation must (6) A DTV station that operates on a be attenuated no less than the follow- channel 14–59 allotment created subse- ing amounts below the average trans- quent to the initial DTV Table will be mitted power within the authorized allowed a maximum ERP of 1000 kW if channel. At the channel edge, emis- their antenna HAAT is at or below 365 sions must be attenuated no less than meters. 46 dB. More than 6 MHz from the chan- (i) At higher HAAT levels, such DTV nel edge, emissions must be attenuated stations will be allowed to operate with no less than 71 dB. At any frequency lower maximum ERP levels in accord- between 0 and 6 MHz from the channel ance with the following table and for- edge, emissions must be attenuated no mulas: less than the value determined by the MAXIMUM ALLOWABLE ERP AND ANTENNA following formula: HEIGHT FOR DTV STATIONS ON CHANNELS Attenuation in dB=46+[(∆f)2/1.44]; 14±59, ALL ZONES Where: Antenna HAAT ERP (meters) (kW) >f=frequency difference in MHz from the edge of the channel. 610 ...... 316 580 ...... 350 (2) This attenuation is based on a 550 ...... 400 measurement bandwidth of 500 kHz. 520 ...... 460 490 ...... 540 Other measurement bandwidths may be 460 ...... 630 used as long as appropriate correction

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factors are applied. Emissions include (2) Requests filed pursuant to this sidebands, spurious emissions and radio paragraph must demonstrate that frequency harmonics. Attenuation is to there is no increase in the amount of be measured at the output terminals of interference caused to any other DTV the transmitter (including any filters broadcast station, DTV allotment, or that may be employed). In the event of analog TV broadcast station. For eval- interference caused to any service, uating compliance with this require- greater attenuation may be required. ment, interference is to be predicted based on the procedure set forth in Ap- NOTE TO PARAGRAPH (H): Greater at- pendix B of the Sixth Report and Order tenuation may be required for situa- in MM Docket 87–268, FCC 97–115, tions where the DTV station and an ad- adopted April 3, 1997, including service jacent channel analog TV station serve areas determined in accordance with the same area and there are expected § 73.622(e), consideration of whether to be locations within that shared area F(50,10) undesired signals will exceed where the analog TV station’s field the following desired-to-undesired (D/ strength is less than 12 dB above the U) signal ratios, assumed use of a di- DTV station’s field strength. rectional receiving antenna, and use of [62 FR 26712, May 14, 1997] the terrain dependent Longley-Rice point-to-point propagation model. § 73.623 DTV applications and changes Guidance for evaluating interference to DTV allotments. using the Longley-Rice methodology is (a) General. This section contains the provided in OET Bulletin No. 69. Copies technical criteria for evaluating appli- of the Sixth Report and Order and OET cations requesting DTV facilities that Bulletin No. 69 may be inspected during do not conform to the provisions of normal business hours at the: Federal § 73.622 and petitions for rule making to Communications Commission, 1919 M amend the DTV Table of Allotments St., NW., Dockets Branch (Room 239), (§ 73.622(b)). Petitions to amend the Washington, DC 20554. These docu- DTV Table (other than those also ex- ments are also available through the pressly requesting amendment of this Internet on the FCC Home Page at section) and applications for new DTV http://www.fcc.gov. The threshold lev- broadcast stations or for changes in au- els at which interference is considered thorized DTV stations filed pursuant to to occur are: this section will not be accepted for fil- D/U ing if they fail to comply with the re- ratio quirements of this section. (b) In considering petitions to amend Co-channel: the DTV Table and applications filed DTV-into-analog TV ...... +34 pursuant to this section, the Commis- analog TV-into-DTV ...... *+2 DTV-into-DTV ...... *+15 sion will use geographic coordinates First Adjacent Channel: defined in § 73.622(d) as reference points Lower DTV-into-analog TV ...... ¥17 in determining allotment separations Upper DTV-into-analog TV ...... ¥12 and evaluating interference potential. Lower analog TV-into-DTV ...... ¥48 (c) Minimum technical criteria for modi- Upper analog TV-into-DTV ...... ¥49 Lower DTV-into-DTV ...... ¥42 fication of DTV allotments included in the Upper DTV-into-DTV ...... ¥43 initial DTV Table of Allotments and for Other Adjacent Channel (Channels 14±69 only) applications filed pursuant to this section. DTV-into-analog TV, where N = analog TV chan- No petition to modify a channel allot- nel and DTV Channel: N±2 ...... ¥24 ment included in the initial DTV Table N+2 ...... ¥28 or application for authority to con- N±3 ...... ¥30 struct or modify a DTV station, filed N+3 ...... ¥34 pursuant to this section, will be ac- N±4 ...... ¥34 cepted unless it shows compliance with N+4 ...... ¥25 N±7 ...... ¥35 the requirements of this paragraph. N+7 ...... ¥34 (1) Requests filed pursuant to this N±8 ...... ¥32 paragraph must demonstrate compli- N+8 ...... ¥43 ance with the principal community N+14 ...... ¥33 coverage requirements of § 73.625(a). N+15 ...... ¥31

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NOTE TO PARAGRAPH (C)(2): The values Channel relationship Separation re- for co-channel interference to DTV quirement service are only valid at locations Co-channel, DTV to DTV where the signal-to-noise ratio is 28 dB Zone IÐ196.3 km or greater. At the edge of the noise- Zone II & IIIÐ 223.7 km. limited service area, where the signal- Co-channel, DTV to analog TV to-noise ratio is 16 dB, these values are Zone IÐ217.3 km. 21 dB and 23 dB for interference from Zone II & IIIÐ 244.6 km. analog TV and DTV, respectively. Due Adjacent Channel to the frequency spacing that exists be- DTV to DTV ...... No allotments per- tween Channels 4 and 5, between Chan- mitted between: All ZonesÐ32.2 nels 6 and 7, and between Channels 13 km and 88.5 and 14, the minimum adjacent channel km. technical criteria specified in the table DTV to analog TV ...... No allotments per- mitted between: shall not be applicable to these pairs of All ZonesÐ9.7 km channels (see § 73.603(a)). and 88.5 km. Taboo Channels, DTV to analog TV No allotments per- (d)(1) Minimum geographic spacing re- only (DTV channels #2,. mitted between: quirements for DTV allotments not in- #3, #4, #7, #8, and 14 or 15 chan- Zone IÐ24.1 km nels above the analog TV chan- and 80.5 km cluded in the initial DTV Table of Allot- nel). Zone II & III 24.1 ments. No petition to add a new channel km and 96.6 km to the DTV Table of Allotments will be accepted unless it demonstrates com- NOTE TO PARAGRAPH (D)(1): Due to the pliance with the principle community frequency spacing that exists between coverage requirements of § 73.625(a) and Channels 4 and 5, between Channels 6 meets the following requirements for and 7, and between Channels 13 and 14, geographic spacing with regard to all the minimum geographic spacing re- other DTV stations, DTV allotments quirements specified in the table shall and analog TV stations: not be applicable to these pairs of channels (see § 73.603(a)). Separation re- Channel relationship quirement (2) Zones are defined in § 73.609. The minimum distance separation between VHF Channels 2±13: a DTV station in one zone and an ana- Co-channel, DTV to DTV log TV or DTV station in another zone Zone IÐ244.6 km. Zones II & IIIÐ shall be that of the zone requiring the 273.6 km. lower separation. Co-channel, DTV to analog TV (e) Protection of land mobile operations Zone IÐ244.6 km. on channels 14–20. The Commission will Zone II & IIIÐ 273.6 km. not accept petitions to amend the DTV Adjacent Channel Table of Allotments, applications for DTV to DTV ...... No allotments per- new DTV stations, or applications to mitted between: change the channel or location of au- Zone IÐ40.2 km and 96.6 km. thorized DTV stations that would use Zones II & IIIÐ channels 14–20 where the distance be- 48.3 km and tween the DTV reference point as de- 96.6 km. fined in § 73.622(d), would be located less DTV to analog TV ...... No allotments per- mitted between: than 250 km from the city center of a Zone IÐ11.3 km co-channel land mobile operation or 176 and 114.3 km. km from the city center of an adjacent Zone II & IIIÐ17.7 channel land mobile operation. Land km and 146.4 km. mobile operations on these channels in UHF Channels: the following markets:

City Channels Latitude Longitude

Boston, MA ...... 14, 16 ...... 42°21′24″ 71°03′25″ Chicago, IL ...... 14, 15 ...... 41°52′28″ 87°38′22″ Dallas, TX ...... 16 ...... 32°47′09″ 96°47′37″ Houston, TX ...... 17 ...... 29°45′26″ 95°21′37″ Los Angeles, CA ...... 14, 16, 20 ...... 34°03′15″ 118°14′28″

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City Channels Latitude Longitude

Miami, FL ...... 14 ...... 25°46′37″ 80°11′32″ New York, NY 1 ...... 4, 15 ...... 40°45′06″ 73°59′39″ Philadelphia, PA ...... 19, 20 ...... 39°56′58″ 75°09′21″ Pittsburgh, PA ...... 14, 18 ...... 40°26′19″ 80°00′00″ San Francisco, CA ...... 16, 17 ...... 37°46′39″ 122°24′40″ Washington, DC ...... 17, 18 ...... 38°53′51″ 77°00′33″

(f) Negotiated agreements on inter- nel but, subject to paragraph (f) of this ference. Notwithstanding the minimum section, DTV broadcast stations are technical criteria for DTV allotments not required to simulcast the analog specified in paragraph (b) of this sec- programming. tion, DTV stations operating on allot- (c) Provided that DTV broadcast sta- ments that are included in the initial tions comply with paragraph (b) of this DTV Table may operate with increased section, DTV broadcast stations are ERP and/or antenna HAAT that would permitted to offer telecommunications result in additional interference to an services of any nature, consistent with analog TV station if that station the public interest, convenience, and agrees, in writing, to accept the addi- necessity, on an ancillary or supple- tional interference. Such agreements mentary basis. The kinds of services must be submitted with the application that may be provided include, but are for authority to construct or modify not limited to computer software dis- the DTV station’s facilities. The larger tribution, data transmissions, teletext, service area resulting from such a interactive materials, aural messages, change of ERP and/or antenna HAAT paging services, audio signals, sub- will be protected in accordance with scription video, and any other services the provisions of paragraph (c) of this that do not derogate DTV broadcast section. Applications submitted pursu- stations’ obligations under paragraph ant to the provisions of this paragraph (b) of this section. Such services may will be granted only if the Commission be provided on a broadcast, point-to- finds that such action is consistent point or point-to-multipoint basis, pro- with the public interest. vided, however, that no video broadcast [62 FR 26719, May 14, 1997] signal provided at no direct charge to viewers shall be considered ancillary or § 73.624 Digital Television Broadcast supplementary. Stations. (1) DTV licensees that provide ancil- (a) Digital television (‘‘DTV’’) broad- lary or supplementary services that are cast stations are assigned channels 6 analogous to other telecommuni- MHz wide. Initial eligibility for li- cations services subject to regulation censes for DTV broadcast stations is by the Commission must comply with limited to persons that, as of April 3, the Commission regulations that apply 1997, are licensed to operate a full to those services, provided, however, power television broadcast station or that no ancillary or supplementary hold a permit to construct such a sta- service shall have any rights to car- tion (or both). riage under sections 614 or 615 of the (b) At any time that a DTV broadcast Communications Act of 1934, as amend- station permittee or licensee transmits ed, or be deemed a multichannel video a video program signal on its analog programming distributor for purposes television channel, it must also trans- of section 628 of the Communications mit at least one over-the-air video pro- Act of 1934, as amended. gram signal at no direct charge to (2) In all arrangements entered into viewers on the DTV channel that is li- with outside parties affecting tele- censed with the analog channel. The communications service operation, the DTV program service provided pursu- DTV licensee or permittee must retain ant to this paragraph must be at least control over all material transmitted comparable in resolution to the analog in a broadcast mode via the station’s television station programming trans- facilities, with the right to reject any mitted to viewers on the analog chan- material that it deems inappropriate or

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undesirable. The license or permittee is construction deadline specified in para- also responsible for all aspects of tech- graph (d)(1) of this section upon dem- nical operation involving such tele- onstration by the DTV licensee or per- communications services. mittee that failure to meet that con- (3) In any application for renewal of a struction deadline is due to cir- broadcast license for a television sta- cumstances that are either unforesee- tion that provides ancillary or supple- able or beyond the licensee’s control mentary services, a licensee shall es- where the licensee has taken all rea- tablish that all of its program services sonable steps to resolve the problem on the analog and the DTV spectrum expeditiously. are in the public interest. Any viola- (ii) Such circumstances shall include, tion of the Commission’s rules applica- but shall not be limited to: (a) inability ble to ancillary or supplementary serv- to construct and place in operation a ices will reflect on the licensee’s quali- facility necessary for transmitting dig- fications for renewal of its license. ital television, such as a tower, because (d) Digital television broadcast facili- of delays in obtaining zoning or FAA ties that comply with the FCC DTV approvals, or similar constraints; or (b) Standard (section 73.682(d)), shall be the lack of equipment necessary to ob- constructed in the following markets tain a digital television signal. by the following dates: (iii) The Bureau may grant no more (1)(i) May 1, 1999: all network-affili- than two extension requests upon dele- ated television stations in the top ten gated authority. Subsequent extension television markets; requests shall be referred to the Com- (ii) November 1, 1999: all network-af- mission. The Bureau may not on dele- filiated television stations not included gated authority deny an extension re- in category (1)(i) and in the top 30 tele- quest but must refer recommended de- vision markets; nials to the Commission. (iii) May 1, 2002: all remaining com- (iv) Applications for extension of mercial television stations; time shall be filed at least 30 days prior (iv) May 1, 2003: all noncommercial to the relevant construction deadline, television stations. absent a showing of sufficient reasons (2) For the purposes of paragraph for filing within less than 30 days of (d)(1): the relevant construction deadline. (i) The term, ‘‘network,’’ is defined to (e) The application for construction include the ABC, CBS, NBC, and Fox permit must be filed on Form 301 (ex- television networks; cept for noncommercial stations, which (ii) The term, ‘‘television market,’’ is must file on Form 340) on or before the defined as the Designated Market Area date on which half of the construction or DMA as defined by Nielsen Media period has elapsed. Thus, for example, Research as of April 3, 1997; and for applicants in category (d)(1)(i), the (iii) The terms, ‘‘network-affiliated’’ application for construction period or ‘‘network-affiliate,’’ are defined to must be filed by May 1, 1998. include those television stations affili- (f)(i) Commencing on April 1, 2003, ated with at least one of the four net- DTV television licensees and permit- works designated in paragraph (d)(2)(i) tees must simulcast 50 percent of the as of April 3, 1997. In those DMAs in video programming of the analog chan- which a network has more than one nel on the DTV channel. network affiliate, paragraphs (d)(1) (i) (ii) Commencing on April 1, 2004, and (ii) of this section shall apply to its DTV licensees and permittees must si- network affiliate with the largest audi- mulcast 75% of the video programming ence share for the 9 a.m. to midnight of the analog channel on the DTV time period as measured by Nielsen channel. Media Research in its Nielsen Station (iii) Commencing on April 1, 2005, Index, Viewers in Profile, as of Feb- DTV licensees and permittees must si- ruary, 1997. mulcast 100% of the video program- (3) Authority delegated. (i) Authority ming of the analog channel on the DTV is delegated to the Chief, Mass Media channel. Bureau to grant an extension of time of (iv) The simulcasting requirements up to six months beyond the relevant imposed in paragraphs (f) (i)–(iii) of

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this section will terminate when the (dBk). Subtract the power value in dBk analog channel terminates operation from the contour value in dBu. Note and a 6 MHz channel is returned by the that for power less than 1 kW, the dif- DTV licensee or permittee to the Com- ference value will be greater than the mission. contour value because the power in dBk is negative. Locate the difference [62 FR 26989, May 16, 1997] value obtained on the vertical scale at § 73.625 DTV coverage of principal the left edge of the appropriate F community and antenna system. (50,50) chart for the DTV station’s channel. Follow the horizontal line for (a) Transmitter location. that value into the chart to the point (1) The DTV transmitter location of intersection with the vertical line shall be chosen so that, on the basis of above the height of the antenna above the effective radiated power and an- average terrain for the appropriate azi- tenna height above average terrain em- muth located on the scale at the bot- ployed, the following minimum F tom of the chart. If the point of inter- (50,90) field strength in dB above one section does not fall exactly on a dis- uV/m will be provided over the entire tance curve, interpolate between the principal community to be served: distance curves below and above the intersection point. The distance values for the curves are located along the Channels 2±6 ...... L28 dBu right edge of the chart. Using the ap- Channels 7±13 ...... 36 dBu propriate F (50,10) chart for the DTV Channels 14±69 ...... 41 dBu station’s channel, locate the point where the distance coincides with the (2) The location of the antenna must vertical line above the height of the be so chosen that there is not a major antenna above average terrain for the obstruction in the path over the prin- appropriate azimuth located on the cipal community to be served. scale at the bottom of the chart. Fol- (3) For the purposes of this section, low a horizontal line from that point to coverage is to be determined in accord- the left edge of the chart to determine ance with paragraph (b) of this section. the F (50,10) difference value. Add the Under actual conditions, the true cov- power value in dBk to this difference erage may vary from these estimates value to determine the F (50,10) con- because the terrain over any specific tour value in dBu. Subtract the F path is expected to be different from (50,50) contour value in dBu from this F the average terrain on which the field (50,10) contour value in dBu. Subtract strength charts were based. Further, this difference from the F (50,50) con- the actual extent of service will usu- tour value in dBu to determine the F ally be less than indicated by these es- (50,90) contour value in dBu at the per- timates due to interference from other tinent distance along the pertinent ra- stations. Because of these factors, the dial. predicted field strength contours give (2) The effective radiated power to be no assurance of service to any specific used is that radiated at the vertical percentage of receiver locations within angle corresponding to the depression the distances indicated. angle between the transmitting an- (b) Determining coverage. (1) In pre- tenna center of radiation and the radio dicting the distance to the field horizon as determined individually for strength contours, the F (50,50) field each azimuthal direction concerned. In strength charts (Figures 9, 10 and 10b of cases where the relative field strength § 73.699 of this part) and the F (50,10) at this depression angle is 90% or more field strength charts (Figures 9a, 10a of the maximum field strength devel- and 10c of § 73.699 of this part) shall be oped in the vertical plane containing used. To use the charts to predict the the pertaining radial, the maximum ra- distance to a given F (50,90) contour, diation shall be used. The depression the following procedure is used: Con- angle is based on the difference in ele- vert the effective radiated power in vation of the antenna center of radi- kilowatts for the appropriate azimuth ation above the average terrain and the into decibel value referenced to 1 kW radio horizon, assuming a smooth

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spherical earth with a radius of 8,495.5 3.2–16.1 kilometers (2–10 mile) portion of the kilometers (5,280 miles) and shall be de- radial extends over large bodies of water or termined by the following equation: foreign territory, such radial shall be com- pletely omitted from the computation of an- A = 0.0277 square root of H tenna height above average terrain, and (2) Where: where a part of the 3.2–16.1 kilometers (2–10 A is the depression angle in degrees. mile) portion of a radial extends over large H is the height in meters of the transmitting bodies of water or over foreign territory, antenna radiation center above average only that part of the radial extending from terrain of the 3.2–16.1 kilometers (2–10 the 3.2 kilometer (2 mile) sector to the outer- miles) sector of the pertinent radial. most portion of land area within the United This formula is empirically derived for the States covered by the radial shall be em- limited purpose specified here. Its use for ployed in the computation of antenna height any other purpose may be inappropriate. above average terrain. The profile graph for (3) Applicants for new DTV stations or each radial should be plotted by contour in- changes in the facilities of existing DTV sta- tervals of from 12.2–30.5 meters (40–100 feet) tions must submit to the FCC a showing as and, where the data permits, at least 50 to the location of their stations’ or proposed points of elevation (generally uniformly stations’ contour. This showing is to include spaced) should be used for each radial. In in- a map showing this contour, except where stances of very rugged terrain where the use applicants have previously submitted mate- of contour intervals of 30.5 meters (100 feet) rial to the FCC containing such information would result in several points in a short dis- and it is found upon careful examination tance, 61.0–122.0 meter (200–400 foot) contour that the contour locations indicated therein intervals may be used for such distances. On would not change, on any radial, when the the other hand, where the terrain is uniform locations are determined under this section. or gently sloping the smallest contour inter- In the latter cases, a statement by a quali- val indicated on the topographic map (see fied engineer to this effect will satisfy this paragraph (b)(5) of this section) should be requirement and no contour maps need be used, although only relatively few points submitted. may be available. The profile graphs should (4) The antenna height to be used with indicate the topography accurately for each these charts is the height of the radiation radial, and the graphs should be plotted with center of the antenna above the average ter- the distance in kilometers as the abscissa rain along the radial in question. In deter- and the elevation in meters above mean sea mining the average elevation of the terrain, level as the ordinate. The profile graphs the elevations between 3.2–16.1 kilometers (2– should indicate the source of the topo- 10 miles) from the antenna site are em- graphical data employed. The graph should ployed. Profile graphs shall be drawn for 8 also show the elevation of the center of the radials beginning at the antenna site and ex- radiating system. The graph may be plotted tending 16.1 kilometers (10 miles) therefrom. either on rectangular coordinate paper or on The radials should be drawn for each 45 de- special paper which shows the curvature of grees of azimuth starting with True North. the earth. It is not necessary to take the cur- At least one radial must include the prin- vature of the earth into consideration in this cipal community to be served even though procedure, as this factor is taken care of in such community may be more than 16.1 kilo- the charts showing signal strengths. The av- meters (10 miles) from the antenna site. erage elevation of the 12.9 kilometer (8 However, in the event none of the evenly miles) distance between 3.2–16.1 kilometers spaced radials include the principal commu- (2–10 miles) from the antenna site should nity to be served and one or more such then be determined from the profile graph radials are drawn in addition to the 8 evenly for each radial. This may be obtained by spaced radials, such additional radials shall averaging a large number of equally spaced not be employed in computing the antenna points, by using a planimeter, or by obtain- height above average terrain. Where the 3.2– ing the median elevation (that exceeded for 16.1 kilometers (2–10 mile) portion of a radial 50% of the distance) in sectors and averaging extends in whole or in part over large bodies those values. In directions where the terrain of water (such as ocean areas, gulfs, sounds, is such that negative antenna heights or bays, large lakes, etc., but not rivers) or ex- heights below 30.5 meters (100 feet) for the 3.2 tends over foreign territory but the contour to 16.1 kilometers (2 to 10 mile) sector are ob- encompasses land area within the United tained, an assumed height of 30.5 meters (100 States beyond the 16.1 kilometers (10 mile) feet) shall be used for the prediction of cov- portion of the radial, the entire 3.2–16.1 kilo- erage. However, where the actual contour meters (2–10 mile) portion of the radial shall distances are critical factors, a supplemental be included in the computation of antenna showing of expected coverage must be in- height above average terrain. However, cluded together with a description of the where the contour does not so encompass method employed in predicting such cov- United States land area and (1) the entire erage. In special cases, the Commission may

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require additional information as to terrain posed directional antenna. A value of 1.0 and coverage. should be used for the maximum radiation. (5) In the preparation of the profile graph The plot of the pattern should be oriented so previously described, and in determining the that 0 degrees corresponds to true North. location and height above sea level of the an- Where mechanical beam tilt is intended, the tenna site, the elevation or contour intervals amount of tilt in degrees of the antenna ver- shall be taken from the United States Geo- tical axis and the orientation of the down- logical Survey Topographic Quadrangle ward tilt with respect to true North must be Maps, United States Army Corps of Engi- specified, and the horizontal plane pattern neers’ maps or Tennessee Valley Authority must reflect the use of mechanical beam tilt. maps, whichever is the latest, for all areas (iii) A tabulation of the relative field pat- for which such maps are available. If such tern required in paragraph (c)(3)(ii) of this maps are not published for the area in ques- section. The tabulation should use the same tion, the next best topographic information zero degree reference as the plotted pattern, should be used. Topographic data may some- and be tabulated at least every 10 degrees. In times be obtained from State and Municipal addition, tabulated values of all maxima and agencies. Data from Sectional Aeronautical minima, with their corresponding azimuths, Charts (including bench marks) or railroad should be submitted. depot elevations and highway elevations (iv) Horizontal and vertical plane radiation from road maps may be used where no better patterns showing the effective radiated information is available. In cases where lim- power, in dBk, for each direction. Sufficient ited topographic data is available, use may vertical plane patterns must be included to be made of an altimeter in a car driven along indicate clearly the radiation characteristics roads extending generally radially from the of the antenna above and below the hori- transmitter site. United States Geological zontal plane. In cases where the angles at Survey Topographic Quadrangle Maps may which the maximum vertical radiation var- be obtained from the United States Geologi- ies with azimuth, a separate vertical radi- cal Survey, Department of the Interior, ation pattern must be provided for each per- Washington, D.C. 20240. Sectional Aeronauti- tinent radial direction. cal Charts are available from the United (v) All horizontal plane patterns must be States Coast and Geodetic Survey, Depart- plotted to the largest scale possible on ment of Commerce, Washington, D.C. 20235. unglazed letter-size polar coordinate paper In lieu of maps, the average terrain elevation (main engraving approximately 18 cm×25 cm may be computer generated, except in the (7 inches×10 inches)) using only scale divi- cases of dispute, using elevations from a 30 sions and subdivisions of 1, 2, 2.5. or 5 times second point or better topographic data file. 10-nth. All vertical plane patterns must be The file must be identified and the data proc- plotted on unglazed letter-size rectangular essed for intermediate points along each ra- coordinate paper. Values of field strength on dial using linear interpolation techniques. any pattern less than 10 percent of the maxi- The height above mean sea level of the an- mum field strength plotted on that pattern tenna site must be obtained manually using must be shown on an enlarged scale. appropriate topographic maps. (vi) The horizontal and vertical plane pat- (c) Antenna system. (1) The antenna system terns that are required are the patterns for shall be designed so that the effective radi- the complete directional antenna system. In ated power at any angle above the horizontal the case of a composite antenna composed of shall be as low as the state of the art per- two or more individual antennas, this means mits, and in the same vertical plane may not that the patterns for the composite antenna, exceed the effective radiated power in either not the patterns for each of the individual the horizontal direction or below the hori- antennas, must be submitted. zontal, whichever is greater. (4) Where simultaneous use of antennas or (2) An antenna designed or altered to antenna structures is proposed, the following produce a noncircular radiation pattern in provisions shall apply: the horizontal plane is considered to be a di- (i) In cases where it is proposed to use a rectional antenna. Antennas purposely in- tower of an AM broadcast station as a sup- stalled in such a manner as to result in the porting structure for a DTV broadcast an- mechanical beam tilting of the major verti- tenna, an appropriate application for cal radiation lobe are included in this cat- changes in the radiating system of the AM egory. broadcast station must be filed by the li- (3) Applications proposing the use of direc- censee thereof. A formal application (FCC tional antenna systems must be accom- Form 301, or FCC Form 340 for a noncommer- panied by the following: cial educational station) will be required if (i) Complete description of the proposed the proposal involves substantial change in antenna system, including the manufacturer the physical height or radiation characteris- and model number of the proposed direc- tics of the AM broadcast antennas; otherwise tional antenna. an informal application will be acceptable. (ii) Relative field horizontal plane pattern (In case of doubt, an informal application (horizontal polarization only) of the pro- (letter) together with complete engineering

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data should be submitted.) An application proval. However, the licensee or per- may be required for other classes of stations mittee of a TV broadcast station (not when the tower is to be used in connection applicable to low power TV stations) with a DTV station. (ii) When the proposed DTV antenna is to must send a letter to the FCC in Wash- be mounted on a tower in the vicinity of an ington, DC, that subscription TV serv- AM station directional antenna system and ice will commence at least 30 days it appears that the operation of the direc- prior to commencement of such serv- tional antenna system may be affected, an ice. In that letter, to be entitled ‘‘No- engineering study must be filed with the DTV application concerning the effect of the tice of Commencement of STV Oper- DTV antenna on the AM directional radi- ations,’’ the licensee or permittee is to ation pattern. Field measurements of the state that it will comply with the pro- AM stations may be required prior to and visions of paragraphs (e)(1) through following construction of the DTV station (e)(3) and § 73.644(c) of this chapter and antenna, and readjustments made as nec- essary. identify the make and type of encoding system to be used. A similar notice [62 FR 26990, May 16, 1997] must be submitted if the licensee or § 73.635 Use of common antenna site. permittee commences using another type of encoding system. (See section No television license or renewal of a 644(h).) A notice must also be submit- television license will be granted to any person who owns, leases, or con- ted to the FCC in Washington, DC, if trols a particular site which is pecu- encoded subscription TV service is to liarly suitable for television broadcast- be discontinued, at least 30 days prior ing in a particular area and (a) which is to such discontinuance. not available for use by other tele- (c) The station proof of system com- vision licensees; and (b) no other com- pliance measurement data (see parable site is available in the area; § 73.644(c)) need not be submitted to the and (c) where the exclusive use of such FCC, however, the measurement data site by the applicant or licensee would must be available to the FCC upon re- unduly limit the number of television quest. stations that can be authorized in a (d) The use of the visual vertical particular area or would unduly re- blanking interval or an aural subcar- strict competition among television rier for transmitting subscriber de- stations. coder control code signals during peri- [28 FR 13660, Dec. 14, 1963] ods of normal non-encoded program- ming may be used only upon specific § 73.641 Subscription TV definitions. FCC authorization. Letter requests to (a) Subscription television. A system use either the video blanking intervals whereby subscription television pro- or aural subcarriers during periods of grams are transmitted and received. non-subscription programming are to (b) Subscription television program. A be sent to the FCC in Washington, D.C. television boadcast program intended (e) A licensee or permittee of a com- to be received in intelligible form for a mercial TV broadcast or low power TV fee or charge. station may not transmit a subscrip- [52 FR 6154, Mar. 2, 1987] tion service if it has a contract, ar- rangement, or understanding, ex- § 73.642 Subscription TV service. pressed or implied, that: (a) Subscription TV service may be (1) Prevents or hinders it from reject- provided by: ing or refusing any subscription TV (1) Licensees and permittees of com- broadcast program that it reasonably mercial TV stations, and believes to be unsatisfactory or unsuit- (2) Licensees and permittees of low able or contrary to the public inter- power TV stations. ests; or substituting a subscription or (b) A licensee or permittee of a com- conventional program that, in its opin- mercial TV station or a low power TV ion, is of greater local or national im- station may begin subscription TV service upon installation of encoding portance; or equipment having advance FCC ap-

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(2) Delegates to any other person the § 73.644 Subscription TV transmission right to schedule the hours of trans- systems. mission of subscription programs. How- (a) Licensees and permittees of com- ever, this rule does not prevent a li- mercial TV broadcast and low power censee or permittee from entering into TV stations may conduct subscription an agreement or arrangement whereby operations only by using an encoding it agrees to schedule a specific sub- system that has been approved in ad- scription TV broadcast program at a vance by the FCC. Such advance ap- specific time or to schedule a specific proval may be applied for and granted number of hours of subscription pro- in accordance with the procedures grams during the broadcast day (or given in Subpart M Part 2 of the Rules. segments thereof) or weeks; or (b) The criteria for advance approval (3) Deprives it of the right of ulti- of subscription TV transmitting sys- mate decision concerning the maxi- tems by the FCC are as follows: mum amount of any subscription pro- (1) Spectral energy in the transmit- gram charge or fee. ted signal must not exceed the limita- tions given in § 73.687(e). (4) Has provisions that do not comply (2) No increase in width of the tele- with the following policies of the FCC: vision broadcast channel (6 MHz.) is (i) Unless a satifactory signal is un- permitted. available at the location where service (3) The technical system must enable is desired, subscription TV service stations to transmit encoded subscrip- must be provided to all persons desir- tion TV programs without increasing ing it within the Grade A contour of the RMS output power from either the the station broadcasting subscription video or audio transmitters over that programs. Geographic or other reason- required to transmit the same program able patterns of installation for new material using normal transmission subscription services is permitted and, standards. for good cause, service may be termi- (4) Modification of a type accepted nated. TV broadcast or low power TV trans- (ii) Charges, terms and conditions of mitter for encoded transmissions must service to subscribers must be applied not render transmitter incapable of op- uniformly. However, subscribers may erating in accordance with the operat- be divided into reasonable classifica- ing specifications upon which type ac- tions approved by the FCC, and the im- ceptance was granted. (See § 2.1001 (b), positions of different sets of terms and (k)) conditions may be applied to subscrib- (5) Interference to reception of con- ers in different classifications. Further, ventional television either of co-chan- for good cause, within such classifica- nel or adjacent channel stations must not increase over that resulting from tion, deposits may be required from the transmission of programming with some subscribers and not of others; normal transmission standards. and, also for good cause, if a subscrip- (6) Subscriber decoder devices must tion system generally uses a credit- meet the provisions, where required, of type decoder, cash operated decoders Subpart H of Part 15 of the FCC Rules may be installed for some subscribers. for TV Interface Devices. [48 FR 56392, Dec. 21, 1983, as amended at 52 (c) Prior to commencing the trans- FR 6154, Mar. 2, 1987] mission of encoded subscription pro- gramming, the licensee or permittee of § 73.643 Subscription TV operating re- a TV broadcast or low power TV sta- quirements. tion must perform such tests and meas- The non-technical rules and policies urements to determine that the trans- applicable to regular TV broadcast sta- mitted encoded signal conforms to the tions are applicable to subscription TV radiated radio frequency and demodu- operations, except where specifically lated baseband and waveforms, trans- exempted in the provisions of those mitter operating power determination, and the occupied bandwidth limita- rules and policies. tions specified in the application for [48 FR 56392, Dec. 21, 1983] advance FCC approval of the system

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being used. A copy of the measurement equipment or subscription program data is to be maintained in the station service. files and made available to the FCC NOTE: Stations transmitting encoded sub- upon request. scription programming prior to October 1, (d) The licensee of a station trans- 1983, must comply with all technical and op- erating requirements of this Section no later mitting an encoded subscription serv- than April 1, 1984. Stations not having the ice must have at the transmitter con- information to comply with this Section trol point the technical specifications must obtain such information from the man- for the system being used of both the ufacturer of the encoding system being used, aural and visual baseband signals and and if necessary, by measurements of the the transmitted radiofrequency sig- station’s transmission system. nals, and have the necessary measuring (j) Upon request by an authorized and monitoring equipment, including representative of the FCC, the licensee transmitter output power measuring of a TV station transmitting encoded equipment, to determine that the programming must make available a transmissions conform to the advance receiving decoder to the Commission to approval specifications on file with the carry out its regulatory responsibil- FCC. Full operating specifications for ities. the system must be available to rep- [48 FR 56392, Dec. 21, 1983, as amended at 57 resentatives of the FCC upon request. FR 48333, Oct. 23, 1992] (e) The operating power of the trans- mitters during encoded operations § 73.646 Telecommunications Service must be determined and maintained on the Vertical Blanking Interval according to the procedures given in and in the Visual Signal. the application for advance approval. (a) Telecommunications services per- (f) A station using an encoding sys- mitted on the vertical blanking inter- tem in accordance with the specifica- val (VBI) and in the visual signal in- tions filed with the application for ad- clude the transmission of data, proc- vance approval is deemed to be exempt- essed information, or any other com- ed from those technical regulations of munication in either a digital or ana- this Subpart and Subpart H to the ex- log mode. tent they are specifically detailed in (b) Telecommunications service on the application. the VBI and in the visual signal is of an ancillary nature and as such is an (g) No protection from interference elective, subsidiary activity. No serv- of any kind will be afforded to recep- ice guidelines, limitations, or perform- tion of encoded subscription program- ance standards are applied to it. The ming over that afforded reception of kinds of service that may be provided non-encoded signals. include, but are not limited to, tele- (h) A licensee or permittee may text, paging, computer software and make no modifications on a subscrip- bulk data distribution, and aural mes- tion encoding system that would alter sages. Such services may be provided the characteristics of the transmitted on a broadcast, point-to-point, or point aural or visual signal from those speci- to multipoint basis. fied in the application for advance ap- (c) Telecommunications services that proval. A licensee or permittee of a sta- are common carrier in nature are sub- tion replacing its encoding system ject to common carrier regulation. Li- must perform the measurements re- censees operating such services are re- quired by paragraph (c) of this section. quired to apply to the Commission for A TV broadcast station licensee or per- the appropriate authorization and to mittee must also send a letter advising comply with all policies and rules ap- the FCC of the new system being used plicable to the particular service. as required by § 73.642(b) of this chap- (d) Television licensees are author- ter. ized to lease their VBI and visual sig- (i) The station licensee is fully re- nal telecommunications facilities to sponsible for all technical operations of outside parties. In all arrangements en- the station during transmissions of en- tered into with outside parties affect- coded subscription programming, re- ing telecommunications service oper- gardless of the supplier of the encoding ation, the licensee or permittee must

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retain control over all material trans- (b) Territorial exclusively. No license mitted in a broadcast mode via the sta- shall be granted to a television broad- tion’s facilities, with the right to re- cast station having any contract, ar- ject any material that it deems inap- rangement, or understanding, express propriate or undesirable. The licensee or implied, with a network organiza- or permittee is also responsible for all tion which prevents or hinders another aspects of technical operation involv- broadcast station located in the same ing such telecommunications services. community from broadcasting the net- (e) The grant or renewal of a TV sta- work’s programs not taken by the tion license or permit will not be former station, or which prevents or furthered or promoted by proposed or hinders another broadcast station lo- past VBI or visual signal telecommuni- cated in a different community from cations service operation; the licensee broadcasting any program of the net- must establish that its broadcast oper- work organization. This section shall ation serves the public interest wholly apart from such telecommunications not be construed to prohibit any con- service activities. (Violation of rules tract, arrangement, or understanding applicable to VBI and visual signal between a station and a network orga- telecommunications services could, of nization pursuant to which the station course, reflect on a licensee’s qualifica- is granted the first call in its commu- tions to hold its license or permit.) nity upon the programs of the network (f) TV broadcast stations are author- organization. As employed in this para- ized to transmit VBI and visual tele- graph, the term ‘‘community’’ is de- communications service signals during fined as the community specified in the any time period, including portions of instrument of authorization as the lo- the day when normal programming is cation of the station. not broadcast. Such transmissions (c) [Reserved] must be in accordance with the tech- (d) Station commitment of broadcast nical provisions of § 73.682. time. No license shall be granted to a [50 FR 4663, Feb. 1, 1985, as amended at 50 FR television broadcast station having any 9035, Mar. 6, 1985; 61 FR 36304, July 10, 1996] contract, arrangement, or understand- ing, express or implied, with any net- § 73.653 Operation of TV aural and vis- work organization, which provides for ual transmitters. optioning of the station’s time to the The aural and visual transmitters network organization, or which has the may be operated independently of each same restraining effect as time other or, if operated simultaneously, optioning. As used in this section, time may be used with different and unre- optioning is any contract, arrange- lated program material. ment, or understanding, express or im- [54 FR 9806, Mar. 8, 1989] plied, between a station and a network organization which prevents or hinders § 73.658 Affiliation agreements and the station from scheduling programs network program practices; terri- before the network agrees to utilize the torial exclusivity in non-network time during which such programs are program arrangements. scheduled, or which requires the sta- (a) Exclusive affiliation of station. No tion to clear time already scheduled license shall be granted to a television when the network organization seeks broadcast station having any contract, to utilize the time. arrangement, or understanding, ex- (e) Right to reject programs. No license press or implied, with a network orga- shall be granted to a television broad- nization under which the station is pre- cast station having any contract, ar- vented or hindered from, or penalized rangement, or understanding, express for, broadcasting the programs of any or implied, with a network organiza- other network organization. (The term tion which, with respect to programs ‘‘network organization’’ as used in this offered or already contracted for pursu- section includes national and regional ant to an affiliation contract, prevents network organizations. See ch. VII, J, of Report on Chain Broadcasting.) or hinders the station from:

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(1) Rejecting or refusing network pro- which provides for the affiliation of the grams which the station reasonably be- station with such network organiza- lieves to be unsatisfactory or unsuit- tion: Provided, however, That this rule able or contrary to the public interest, shall not be applicable to stations li- or censed to a network organization or to (2) Substituting a program which, in a subsidiary of a network organization. the station’s opinion, is of greater local (j)—(l) [Reserved] or national importance. (m) Territorial exclusivity in non-net- (f) [Reserved] work arrangements. (1) No television (g) Dual network operation. A tele- station shall enter into any contract, vision broadcast station may affiliate arrangement, or understanding, ex- with a person or entity that maintains pressed or implied; with a non-network two or more networks of television program producer, distributor, or sup- broadcast stations unless such dual or plier, or other person; which prevents multiple networks are composed of: or hinders another television station (1) Two or more persons or entities located in a community over 56.3 kilo- that, on February 8, 1996, were ‘‘net- meters (35 miles) away, as determined works.’’ For the purposes of this para- by the reference points contained in graph, the term network means any § 76.53 of this chapter, (if reference person, entity, or corporation which of- points for a community are not listed fers an interconnected program service in § 76.53, the location of the main post on a regular basis for 15 or more hours office will be used) from broadcasting per week to at least 25 affiliated tele- any program purchased by the former vision licensees in 10 or more states; station from such non-network pro- and/or any person, entity, or corpora- gram producer, distributor, supplier, or tion controlling, controlled by, or other person, except that a television under common control with such per- station may secure exclusivity against son, entity, or corporation; or a television station licensed to another (2) Any network described in para- designated community in a hyphenated graph (g)(1) of this section and an Eng- market specified in the market listing lish-language program distribution as contained in § 76.51 of this chapter service that, on February 8, 1996, pro- for those 100 markets listed, and for vided four or more hours of program- markets not listed in § 76.51 of this ming per week on a national basis pur- chapter, the listing as contained in the suant to network affiliation arrange- ARB Television Market Analysis for ments with local television broadcast the most recent year at the time that stations in markets reaching more than 75 percent of television homes (as the exclusivity contract, arrangement measured by a national ratings serv- or understanding is complete under ice). practices of the industry. As used in (h) Control by networks of station rates. this paragraph, the term ‘‘community’’ No license shall be granted to a tele- is defined as the community specified vision broadcast station having any in the instrument of authorization as contract, arrangement, or understand- the location of the station. ing, express or implied, with a network (2) Notwithstanding paragraph (m)(1) organization under which the station is of this section, a television station prevented or hindered from, or penal- may enter into a contract, arrange- ized for, fixing or altering its rates for ment, or understanding with a pro- the sale of broadcast time for other ducer, supplier, or distributor of a non- than the network’s programs. network program if that contract, ar- (i) No license shall be granted to a rangement, or understanding provides television broadcast station which is that the broadcast station has exclu- represented for the sale of non-network sive national rights such that no other time by a network organization or by television station in the United States an organization directly or indirectly may broadcast the program.

controlled by or under common control NOTE 1: Contracts, arrangements, or under- with a network organization, if the sta- standings that are complete under the prac- tion has any contract, arrangement or tices of the industry prior to August 7, 1973, understanding, express or implied, will not be disturbed. Extensions or renewals

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of such agreements are not permitted be- mission line meter (responsive to peak cause they would in effect be new agree- power) located at the RF output termi- ments without competitive bidding. How- nals of the transmitter. The indica- ever, such agreements that were based on tions of the calibrated meter are used the broadcaster’s advancing ‘‘seed money’’ for the production of a specific program or to observe and maintain the authorized series that specify two time periods—a try- operating power of the visual transmit- out period and period thereafter for general ter. This meter must be calibrated exhibition—may be extended or renewed as whenever any component in the meter- contemplated in the basic agreement. ing circuit is repaired or replaced and NOTE 2: It is intended that the top 100 as often as necessary to ensure oper- major television markets listed in § 76.51 of ation in accordance with the provisions this chapter shall be used for the purposes of of § 73.1560 of this part. The following this rule and that the listing of the top 100 calibration procedures are to be used: television markets appearing in the ARB (1) The transmission line meter is Television Market Analysis shall not be used. The reference in this rule to the listing calibrated by measuring the average of markets in the ARB Television Market power at the output terminals of the Analysis refers to hyphenated markets below transmitter, including any vestigial the top-100 markets contained in the ARB sideband and harmonic filters which Television Market Analysis. If a community may be used in normal operation. For is listed in a hyphenated market in § 76.51 this determination the average power and is also listed in one of the markets in output is measured while operating the ARB listing, the listing in § 76.51 shall into a dummy load of substantially govern. zero reactance and a resistance equal NOTE 3: The provisions of this paragraph to the transmission line characteristic apply only to U.S. commercial television broadcast stations in the 50 states, and not impedance. During this measurement to stations in Puerto Rico or the Virgin Is- the transmitter is to be modulated lands, foreign stations or noncommercial only by a standard synchronizing sig- educational television or ‘‘public’’ television nal with blanking level set at 75% of stations (either by way of restrictions on peak amplitude as observed in an out- their exclusivity or on exclusivity against put waveform monitor, and with this them). blanketing level amplitude maintained NOTE 4: New stations authorized in any throughout the time interval between community of a hyphenated market listed in synchronizing pulses. § 76.51 of this chapter or in any community of (2) If electrical devices are used to a hyphenated market listed in the ARB Tele- vision Market Analysis (for markets below determine the output power, such de- the top-100 markets) are subject to the same vices must permit determination of rules as previously existing stations therein. this power to within an accuracy of New stations authorized in other commu- ±5% of the power indicated by the full nities are considered stations in separate scale reading of the electrical indicat- markets unless and until § 76.51 is amended ing instrument of the device. If tem- by Commission action, or the ARB listing is perature and coolant flow indicating changed. devices are used to determine the (Sec. 5, 48 Stat. 1068 (47 U.S.C. 155)) power output, such devices must per- [28 FR 13660, Dec. 14, 1963] mit determination of this power to within an accuracy of ±4% of measured EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 73.658, see the List of average power output. The peak power CFR Sections Affected in the Finding Aids output is the power so measured in the section of this volume. dummy load multiplied by the factor 1.68. During this measurement the §§ 73.659—73.663 [Reserved] input voltage and current to the final radio frequency amplifier stage and the § 73.664 Determining operating power. transmission line meter are to be read (a) The operating power of each TV and compared with similar readings visual transmitter shall normally be taken with the dummy load replaced determined by the direct method. by the antenna. These readings must (b) Direct method, visual transmitter. be in substantial agreement. The direct method of power determina- (3) The meter must be calibrated tion for a TV visual transmitter uses with the transmitter operating at 80%, the indications of a calibrated trans- 100%, and 110% of the authorized power

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as often as may be necessary to main- procedures described in paragraph (b) tain its accuracy and ensure correct of this section or the most recent transmitter operating power. In cases measurements made by the licensee es- where the transmitter is incapable of tablishing the value of F. In the case of operating at 110% of the authorized composite transmitters or those in power output, the calibration may be which the final amplifier stages have made at a power output between 100% been modified pursuant to FCC ap- and 110% of the authorized power out- proval, the licensee must furnish the put. However, where this is done, the FCC and also retain with the station output meter must be marked at the records the measurement data used as point of calibration of maximum power a basis for determining the value of F. output, and the station will be deemed (ii) Using measurement data shown to be in violation of this rule if that power is exceeded. The upper and lower on the transmitter manufacturer’s test limits of permissible power deviation data supplied to the licensee, provided as determined by the prescribed cali- that measurements were made at the bration, must be shown upon the meter authorized carrier frequency and trans- either by means of adjustable red mitter output power. markers incorporated in the meter or (iii) Using the transmitter manufac- by red marks placed upon the meter turer’s measurement data submitted to scale or glass face. These markings the FCC for type acceptance as shown must be checked and changed, if nec- in the instruction book supplied to the essary, each time the meter is cali- licensee. brated. NOTE: Refer to § 73.1560 for aural transmit- (c) Indirect method, visual transmitter. ter output power levels. The operating power is determined by the indirect method by applying an ap- [44 FR 58732, Oct. 11, 1979, as amended at 48 propriate factor to the input power to FR 44805, Sept. 30, 1983; 49 FR 4210, Feb. 3, the final radio-frequency amplifier 1984; 49 FR 22092, May 25, 1984; 49 FR 49851, stage of the transmitter using the fol- Dec. 24, 1984; 50 FR 26568, June 27, 1985; 54 FR lowing formula: 9806, Mar. 8, 1989. Redesignated at 58 FR 62555, Nov. 29, 1993] Transmitter output power=Ep x Ip x F Where: § 73.665 Use of TV aural baseband sub- carriers. Ep=DC input voltage of the final radio-fre- quency amplifier stage. Licensees of TV broadcast stations Ip=DC input current of the final radio-fre- may transmit, without further author- quency amplifier stage. ization from the FCC, subcarriers and F=Efficiency factor. signals within the composite baseband (1) If the above formula is not appro- for the following purposes: priate for the design of the transmitter (a) Stereophonic (biphonic, final amplifier, use a formula specified quadraphonic, etc.) sound programs by the transmitter manufacturer with under the provisions of §§ 73.667 and other appropriate operating param- 73.669. eters. (b) Transmission of signals relating (2) The value of the efficiency factor, to the operation of TV stations, such as F established for the authorized trans- relaying broadcast materials to other mitter output power is to be used for maintaining the operating power, even stations, remote cueing and order mes- though there may be some variation in sages, and control and telemetry sig- F over the power operating range of the nals for the transmitting system. transmitter. (c) Transmission of pilot or control (3) The value of F is to be determined signals to enhance the station’s pro- and a record kept thereof by one of the gram service such as (but not re- following procedures listed in order of stricted to) activation of noise reduc- preference: tion decoders in receivers, for any (i) Using the most recent measure- other receiver control purpose, or for ment data for calibration of the trans- program alerting and program identi- mission line meter according to the fication.

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(d) Subsidiary communications serv- plicable to leased communications ices. services transmitted via services that [49 FR 18105, Apr. 27, 1984] are not of a general broadcast nature. (e) The licensee or permittee must § 73.667 TV subsidiary communica- retain control over all material trans- tions services. mitted in a broadcast mode via the sta- (a) Subsidiary communications serv- tion’s facilities, with the right to re- ices are those transmitted within the ject any material that it deems inap- TV aural baseband signal, but do not propriate or undesirable. include services which enhance the [49 FR 18105, Apr. 27, 1984, as amended at 49 main program broadcast service or ex- FR 27147, July 2, 1984; 56 FR 49707, Oct. 1, clusively relate to station operations 1991] (see § 73.665(a), (b), and (c)). Subsidiary communications include, but are not § 73.669 TV stereophonic aural and limited to, services such as functional multiplex subcarrier operation. music, specialized foreign language (a) A TV broadcast station may with- programs, radio reading services, util- ity load management, market and fi- out specific authority from the FCC, nancial data and news, paging and call- transmit multichannel aural programs ing, traffic control signal switching, upon installation of multichannel and point-to-point or multipoint mes- sound equipment. Prior to commence- sages. ment of multichannel broadcasting, (b) TV subsidiary communications the equipment shall be measured in ac- services that are common carrier or cordance with § 73.1690(e). private radio in nature are subject to (b) Multiplex subcarriers may be used common carrier or private radio regu- by a TV station pursuant to the provi- lation. Licensees operating such serv- sions of § 73.665 and may be transmitted ices are required to apply to the FCC on a secondary, non-interference basis for the appropriate authorization and to broadcast programming without spe- to comply with all policies and rules cific authority from the FCC. Trans- applicable to the service. Responsibil- missions must be conducted in accord- ity for making the initial determina- ance with the technical standards tions of whether a particular activity given in § 73.682(c). requires separate authority rests with (c) In all arrangements entered into the TV station licensee or permittee. with outside parties affecting non-com- Initial determinations by licensees or mon carrier subcarrier operation, the permittees are subject to FCC exam- licensee or permittee must retain con- ination and may be reviewed at the trol over all material transmitted over FCC’s discretion. the station’s facilities, with the right (c) Subsidiary communications serv- to reject any material which is deemed ices are of a secondary nature under inappropriate or undesirable. Subchan- the authority of the TV station author- nel leasing arrangements must be kept ization, and the authority to provide in writing at the station and made such communications services may not available to the FCC upon request. be retained or transferred in any man- ner separate from the station’s author- [49 FR 18106, Apr. 27, 1984] ization. The grant or renewal of a TV station permit or license is not § 73.670 Commercial limits in chil- furthered or promoted by proposed or dren’s programs. past subsidiary communications serv- No commercial television broadcast ices. The permittee or licensee must station licensee shall air more than establish that the broadcast operation 10.5 minutes of commercial matter per is in the public interest wholly apart hour during children’s programming on from the subsidiary communications weekends, or more than 12 minutes of services provided. commercial matter per hour on week- (d) The station identification, de- days. layed recording, and sponsor identifica- NOTE 1: Commerical matter means air time tion announcement required by sold for purposes of selling a product or serv- §§ 73.1201, 73.1208, and 73.1212 are not ap- ice.

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NOTE 2: For purposes of this section, chil- (6) Instructions for listing the pro- dren’s programming refers to programs origi- gram as educational/informational, in- nally produced and broadcast primarily for cluding an indication of the age group an audience of children 12 years old and younger. for which the program is intended, are provided by the licensee to publishers [56 FR 19616, Apr. 29, 1991; 56 FR 28825, June of program guides, as described in 25, 1991] § 73.673(b). § 73.671 Educational and informational NOTE 1 TO § 73.671: For purposes of deter- programming for children. mining under this section whether program- ming has a significant purpose of serving the (a) Each commercial and non- educational and informational needs of chil- commercial educational television dren, the Commission will ordinarily rely on broadcast station licensee has an obli- the good faith judgments of the licensee. gation to serve, over the term of its li- Commission review of compliance with that cense, the educational and informa- element of the definition will be done only as tional needs of children through both a last resort. the licensee’s overall programming and NOTE 2 TO § 73.671: The Commission will use programming specifically designed to the following processing guideline in assess- serve such needs. ing whether a television broadcast licensee (b) Any special nonbroadcast efforts has complied with the Children’s Television which enhance the value of children’s Act of 1990 (‘‘CTA’’). A licensee that has educational and informational tele- aired at least three hours per week of Core vision programming, and any special Programming (as defined in paragraph (c) of effort to produce or support edu- this section and as averaged over a six month period) will be deemed to have satis- cational and informational television fied its obligation to air such programming programming by another station in the and shall have the CTA portion of its license licensee’s marketplace, may also con- renewal application approved by the Com- tribute to meeting the licensee’s obli- mission staff. A licensee will also be deemed gation to serve, over the term of its li- to have satisfied this obligation and be eligi- cense, the educational and informa- ble for such staff approval if the licensee tional needs of children. demonstrates that it has aired a package of (c) For purposes of this section, edu- different types of educational and informa- cational and informational television tional programming that, while containing programming is any television pro- somewhat less than three hours per week of gramming that furthers the edu- Core Programming, demonstrates a level of cational and informational needs of commitment to educating and informing children 16 years of age and under in children that is at least equivalent to airing three hours per week of Core Programming. any respect, including the child’s intel- In this regard, specials, PSAs, short-form lectual/cognitive or social/emotional programs, and regularly scheduled non-week- needs. Programming specifically de- ly programs with a significant purpose of signed to serve the educational and in- educating and informing children can count formational needs of children (‘‘Core toward the three hour per week processing Programming’’) is educational and in- guideline. Licensees that do not meet these formational programming that satis- processing guidelines will be referred to the fies the following additional criteria: Commission, where they will have full oppor- (1) It has serving the educational and tunity to demonstrate compliance with the informational needs of children ages 16 CTA (e.g., by relying in part on sponsorship and under as a significant purpose; of core educational/informational programs (2) It is aired between the hours of on other stations in the market that in- 7:00 a.m. and 10:00 p.m.; creases the amount of core educational and informational programming on the station (3) It is a regularly scheduled weekly airing the sponsored program and/or on spe- program; cial nonbroadcast efforts which enhance the (4) It is at least 30 minutes in length; value of children’s educational and informa- (5) The educational and informa- tional television programming). tional objective and the target child audience are specified in writing in the [56 FR 19616, Apr. 29, 1991. Redesignated at 56 licensee’s Children’s Television Pro- FR 28825, June 25, 1991, as amended at 61 FR gramming Report, as described in 43997, Aug. 27, 1996] § 73.3526(a)(8)(iii); and

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§ 73.672 [Reserved] Antenna mechanical beam tilt. The in- tentional installation of a transmitting § 73.673 Public information initiatives antenna so that its axis is not vertical, regarding educational and informa- in order to change the normal angle of tional programming for children. maximum radiation in the vertical (a) Each commercial television plane. broadcast licensee shall identify pro- Antenna power gain. The square of the grams specifically designed to educate ratio of the root-mean-square free and inform children at the beginning of space field strength produced at 1 kilo- the program, in a form that is in the meter in the horizontal plane, in discretion of the licensee. millivolts per meter for one kW an- (b) Each commercial television tenna input power to 221.4 mV/m. This broadcast station licensee shall provide ratio should be expressed in decibels information identifying programming (dB). (If specified for a particular direc- specifically designed to educate and in- tion, antenna power gain is based on form children to publishers of program the field strength in that direction guides. Such information shall include only.) an indication of the age group for Aspect ratio. The ratio of picture which the program is intended. width to picture height as transmitted. [61 FR 43998, Aug. 27, 1996] Aural center frequency. (1) The aver- age frequency of the emitted wave EFFECTIVE DATE NOTE: At 61 FR 43998, when modulated by a sinusoidal signal; Aug. 27, 1996, § 73.673 was added, effective ei- (2) the frequency of the emitted wave ther Jan. 2, 1997 or after approval has been given by the Office of Management and without modulation. Budget, whichever comes later. Aural transmitter. The radio equip- ment for the transmission of the aural § 73.681 Definitions. signal only. Amplitude modulation (AM). A system Auxiliary facility. An auxiliary facil- of modulation in which the envelope of ity is an antenna separate a from the the transmitted wave contains a com- main facility’s antenna, permanently ponent similar to the wave form of the installed on the same tower or at a dif- signal to be transmitted. ferent location, from which a station Antenna electrical beam tilt. The shap- may broadcast for short periods with- ing of the radiation pattern in the ver- out prior Commission authorization or tical plane of a transmitting antenna notice to the Commission while the by electrical means so that maximum main facility is not in operation (e.g., radiation occurs at an angle below the where tower work necessitates turning horizontal plane. off the main antenna or where light- Antenna height above average terrain. ning has caused damage to the main The average of the antenna heights antenna or transmission system) (See above the terrain from approximately § 73.1675). 3.2 (2 miles) to 16.1 kilometers (10 BTSC. Broadcast Television systems miles) from the antenna for the eight committee recommendation for multi- directions spaced evenly for each 45 de- channel television sound transmission grees of azimuth starting with True and audio processing as defined in FCC North. (In general, a different antenna Bulletin OET 60. height will be determined in each di- Baseband. Aural transmitter input rection from the antenna. The average signals between 0 and 120 kHz. of these various heights is considered Blanking level. The level of the signal the antenna height above the average during the blanking interval, except terrain. In some cases less than 8 direc- the interval during the scanning syn- tions may be used. See § 73.684(d)). chronizing pulse and the chrominance Where circular or elliptical polariza- subcarrier synchronizing burst. tion is employed, the antenna height Chrominance. The colorimetric dif- above average terrain shall be based ference between any color and a ref- upon the height of the radiation center erence color of equal luminance, the of the antenna which transmits the reference color having a specific chro- horizontal component of radiation. maticity.

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Chrominance subcarrier. The carrier Frequency modulation (FM). A system which is modulated by the chro- of modulation where the instantaneous minance information. radio frequency varies in proportion to Color transmission. The transmission the instantaneous amplitude of the of color television signals which can be modulating signal (amplitude of modu- reproduced with different values of lating signal to be measured after pre- hue, saturation, and luminance. emphasis, if used) and the instanta- Effective radiated power. The product neous radio frequency is independent of of the antenna input power and the an- the frequency of the modulating signal. tenna power gain. This product should Frequency swing. The peak difference be expressed in kW and in dB above 1 between the maximum and the mini- kW (dBk). (If specified for a particular mum values of the instantaneous fre- direction, effective radiated power is based on the antenna power gain in quency of the carrier wave during mod- that direction only. The licensed effec- ulation. tive radiated power is based on the Interlaced scanning. A scanning proc- maximum antenna power gain. When a ess in which successively scanned lines station is authorized to use a direc- are spaced an integral number of line tional antenna or an antenna beam widths, and in which the adjacent lines tilt, the direction of the maximum ef- are scanned during successive cycles of fective radiated power will be speci- the field frequency. fied.) Where circular or elliptical polar- IRE standard scale. A linear scale for ization is employed, the term effective measuring, in IRE units, the relative radiated power is applied separately to amplitudes of the components of a tele- the horizontally and vertically polar- vision signal from a zero reference at ized components of radiation. For as- blanking level, with picture informa- signment purposes, only the effective tion falling in the positive, and syn- radiated power authorized for the hori- chronizing information in the negative zontally polarized component will be domain. considered. Equivalent isotropically radiated power NOTE: When a carrier is amplitude modu- (EIRP). The term ‘‘equivalent lated by a television signal in accordance isotropically radiated power’’ (also with § 73.682, the relationship of the IRE known as ‘‘effective radiated power standard scale to the conventional measure above isotropic’’) means the product of of modulation is as follows: the antenna input power and the an- IRE stand- Modulation tenna gain in a given direction relative Level ard scale percentage to an isotropic antenna. (units) Field. Scanning through the picture Zero carrier ...... 120 0 area once in the chosen scanning pat- Reference white ...... 100 12.5 tern. In the line interlaced scanning Blanking ...... 0 75 pattern of two to one, the scanning of Synchronizing peaks (maximum the alternate lines of the picture area carrier level) ...... ¥40 100 once. Luminance. Luminous flux emitted, Frame. Scanning all of the picture area once. In the line interlaced scan- reflected, or transmitted per unit solid ning pattern of two to one, a frame angle per unit projected area of the consists of two fields. source. Free space field strength. The field Main channel. The band of fre- strength that would exist at a point in quencies from 50 to 15,000 Hertz which the absence of waves reflected from the frequency modulate the main aural earth or other reflecting objects. carrier. Frequency departure. The amount of Monochrome transmission. The trans- variation of a carrier frequency or cen- mission of television signals which can ter frequency from its assigned value. be reproduced in gradations of a single Frequency deviation. The peak dif- color only. ference between the instantaneous fre- Multichannel Television Sound (MTS). quency of the modulated wave and the Any system of aural transmission that carrier frequency.

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utilizes aural baseband operation be- Synchronization. The maintenance of tween 15 kHz and 120 kHz to convey in- one operation in step with another. formation or that encodes digital infor- Television broadcast band. The fre- mation in the video portion of the tele- quencies in the band extending from 54 vision signal that is intended to be de- to 806 megahertz which are assignable coded as audio information. to television broadcast stations. These Multiplex Transmission (Aural). A sub- frequencies are 54 to 72 megahertz channel added to the regular aural car- (channels 2 through 4), 76 to 88 mega- rier of a television broadcast station by hertz (channels 5 and 6), 174 to 216 means of frequency modulated subcar- megahertz (channels 7 through 13), and riers. 470 to 806 megahertz (channels 14 Negative transmission. Where a de- through 69). crease in initial light intensity causes Television broadcast station. A station an increase in the transmitted power. in the television broadcast band trans- Peak power. The power over a radio mitting simultaneous visual and aural frequency cycle corresponding in am- signals intended to be received by the plitude to synchronizing peaks. general public. Percentage modulation. As applied to Television channel. A band of fre- frequency modulation, the ratio of the quencies 6 MHz wide in the television actual frequency deviation to the fre- broadcast band and designated either quency deviation defined as 100% mod- by number or by the extreme lower and ulation expressed in percentage. For upper frequencies. the aural transmitter of TV broadcast Television transmission standards. The stations, a frequency deviation of ±25 standards which determine the charac- kHz is defined as 100% modulation. teristics of a television signal as radi- Pilot subcarrier. A subcarrier used in ated by a television broadcast station. the reception of TV stereophonic aural Television transmitter. The radio or other subchannel broadcasts. transmitter or transmitters for the Polarization. The direction of the transmission of both visual and aural electric field as radiated from the signals. transmitting antenna. Vestigial sideband transmission. A sys- Program related data signal. A signal, tem of transmission wherein one of the consisting of a series of pulses rep- generated sidebands is partially at- resenting data, which is transmitted si- tenuated at the transmitter and radi- multaneously with and directly related ated only in part. to the accompanying television pro- Visual carrier frequency. The fre- gram. quency of the carrier which is modu- Reference black level. The level cor- lated by the picture information. responding to the specified maximum Visual transmitter. The radio equip- excursion of the luminance signal in ment for the transmission of the visual the black direction. signal only. Reference white level of the luminance Visual transmitter power. The peak signal. The level corresponding to the power output when transmitting a specified maximum excursion of the lu- standard television signal. minance signal in the white direction. Scanning. The process of analyzing [28 FR 13660, Dec. 14, 1963, as amended at 35 successively, according to a predeter- FR 5692, Apr. 8, 1970; 36 FR 5505, Mar. 24, 1971; mined method, the light values of pic- 36 FR 17429, Aug. 31, 1971; 41 FR 56325, Dec. 28, ture elements constituting the total 1976; 42 FR 20823, Apr. 22, 1977; 44 FR 36039, picture area. June 20, 1979; 47 FR 35990, Aug. 18, 1982; 49 FR 18106, Apr. 27, 1984; 49 FR 38131, Sept. 27, 1984; Scanning line. A single continuous 49 FR 50048, Dec. 26, 1984; 50 FR 23699, June 5, narrow strip of the picture area con- 1985; 51 FR 12616, Apr. 14, 1986; 56 FR 49707, taining highlights, shadows, and half- Oct. 1, 1991; 58 FR 44951, Aug. 25, 1993; 62 FR tones, determined by the process of 51059, Sept. 30, 1997] scanning. EFFECTIVE DATE NOTE: At 62 FR 51059, Standard television signal. A signal Sept. 30, 1997, § 73.681 was amended by adding which conforms to the television trans- the definition Auxiliary facility, effective Dec. mission standards. 1, 1997.

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§ 73.682 TV transmission standards. (ii) Color transmissions shall comply (a) Transmission standards. (1) The with the synchronizing waveform spec- width of the television broadcast chan- ifications in Figure 6 of § 73.699. nel shall be 6 MHz. (iii) All stations operating on Chan- (2) The visual carrier frequency shall nels 2 through 14 and those stations op- be nominally 1.25 MHz above the lower erating on Channels 15 through 69 li- boundary of the channel. censed for a peak visual transmitter (3) The aural center frequency shall output power greater than one kW be 4.5 MHz higher than the visual car- shall comply with the picture trans- rier frequency. mission amplitude characteristics (4) The visual transmission ampli- shown in Figure 5 of § 73.699. tude characteristic shall be in accord- (iv) Stations operating on Channels ance with the chart designated as Fig- 15 through 69 licensed for a peak visual ure 5 of § 73.699: Provided, however, That transmitter output power of one kW or for stations operating on Channel 15 less shall comply with the picture through 69 and employing a transmit- transmission amplitude characteristic ter with maximum peak visual power shown in Figure 5 or 5a of § 73.699. output of 1 kW or less the visual trans- (10) A decrease in initial light inten- mission amplitude characteristic may sity shall cause an increase in radiated be in accordance with the chart des- power (negative transmission). ignated as Figure 5a of § 73.699. (11) The reference black level shall be (5) The chrominance subcarrier fre- represented by a definite carrier level, quency is 63/88 times precisely 5 MHz ± independent of light and shade in the (3.57954545 . . . MHz). The tolerance is picture. 10 Hz and the rate of frequency drift (12) The blanking level shall be trans- must not exceed 0.1 Hz per second (cy- mitted at 75±2.5 percent of the peak cles per second squared). (6) For monochrome and color trans- carrier level. missions the number of scanning lines (13) The reference white level of the ± per frame shall be 525, interlaced two luminance signal shall be 12.5 2.5 per- to one in successive fields. The hori- cent of the peak carrier level. zontal scanning frequency shall be 2/455 (14) It shall be standard to employ times the chrominance subcarrier fre- horizontal polarization. However, cir- quency; this corresponds nominally to cular or elliptical polarization may be 15,750 Hz with an actual value of employed if desired, in which case 15,734.264 ±0.044 Hz). The vertical scan- clockwise (right hand) rotation, as de- ning frequency is 2/525 times the hori- fined in the IEEE Standard Definition zontal scanning frequency; this cor- 42A65–3E2, and transmission of the hor- responds nominally to 60 Hz (the actual izontal and vertical components in value is 59.94 Hz). For monochrome time and space quadrature shall be transmissions only, the nominal values used. For either omnidirectional or di- of line and field frequencies may be rectional antennas the licensed effec- used. tive radiated power of the vertically (7) The aspect ratio of the transmit- polarized component may not exceed ted television picture shall be 4 units the licensed effective radiated power of horizontally to 3 units vertically. the horizontally polarized component. (8) During active scanning intervals, For directional antennas, the maxi- the scene shall be scanned from left to mum effective radiated power of the right horizontally and from top to bot- vertically polarized component shall tom vertically, at uniform velocities. not exceed the maximum effective ra- (9) A carrier shall be modulated with- diated power of the horizontally polar- in a single television channel for both ized component in any specified hori- picture and synchronizing signals. The zontal or vertical direction. two signals comprise different modula- (15) The effective radiated power of tion ranges in amplitude in accordance the aural transmitter must not exceed with the following: 22% of the peak radiated power of the (i) Monochrome transmissions shall visual transmitter. comply with synchronizing waveform (16) The peak-to-peak variation of specifications in Figure 7 of § 73.699. transmitter output within one frame of

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video signal due to all causes, includ- the color picture signal, corresponding to the ing hum, noise, and low-frequency re- given picture element. sponse, measured at both scanning syn- NOTE: Forming of the high frequency por- chronizing peak and blanking level, tion of the monochrome signal in a different shall not exceed 5 percent of the aver- manner is permissible and may in fact be de- age scanning synchronizing peak signal sirable in order to improve the sharpness on amplitude. This provision is subject to saturated colors.

change but is considered the best prac- EQ′ and EI′ are the amplitudes of two or- tice under the present state of the art. thogonal components of the chrominance It will not be enforced pending a fur- signal corresponding respectively to narrow- ther determination thereof. band and wide-band axes. ′ ′ ′ (17) The reference black level shall be ER , EG , and EB are the gamma-corrected separated from the blanking level by voltages corresponding to red, green, and the setup interval, which shall be blue signals during the scanning of the given ± picture element. 7.5 2.5 percent of the video range from ω is the angular frequency and is 2 times blanking level to the reference white the frequency of the chrominance subcarrier. level. The portion of each expression between (18) For monochrome transmission, brackets in (i) represents the chrominance the transmitter output shall vary in subcarrier signal which carries the chro- substantially inverse logarithmic rela- minance information. tion to the brightness of the subject. The phase reference in the EM equation in No tolerances are set at this time. This (i) is the phase of the burst+180°, as shown in provision is subject to change but is Figure 8 of § 73.699. The burst corresponds to amplitude modulation of a continuous sine considered the best practice under the wave. present state of the art. It will not be enforced pending a further determina- (iii) The equivalent bandwidth as- tion thereof. signed prior to modulation to the color (19) The color picture signal shall difference signals EQ′ and EI′ are as fol- correspond to a luminance component lows: transmitted as amplitude modulation Q–channel bandwidth: of the picture carrier and a simulta- At 400 kHz less than 2 dB down. neous pair of chrominance components At 500 kHz less than 6 dB down. transmitted as the amplitude modula- At 600 kHz at least 6 dB down. tion sidebands of a pair of suppressed I–channel bandwidth: subcarriers in quadrature. At 1.3 MHz less than 2 dB down. (20) Equation of complete color sig- At 3.6 MHz at least 20 dB down. nal. (iv) The gamma corrected voltages (i) The color picture signal has the E ′, E ′, and E ′ are suitable for a color following composition: R G B picture tube having primary colors

EM=EY′+[EQ′ sin (ωt+33°)+EI′ cos (ωt+33°)] with the following chromaticities in Where: the CIE system of specification: ′ ′ ′ ′ ′ EQ =0.41(EB ¥EY )+0.48(ER ¥EY ). x y EI′=¥0.27(EB′¥EY′)+0.74(ER′¥EY′). EY′=0.30ER′+0.59EG′+0.—1EB′. Red (R) ...... 0.67 0.33 Green (G) ...... 0.21 0.71 For color-difference frequencies below 500 Blue (B) ...... 0.14 0.08 kHz (see (iii) below), the signal can be rep- resented by: and having a transfer gradient (gamma exponent) of 2.2 associated with each EM=EY′+[(1/1.14)[(1/1.78)(EB′¥EY′) sin ′ ′ ωt+(ER′¥EY′) cos ωt]] primary color. The voltages ER , EG , and E ′ may be respectively of the form (ii) The symbols in paragraph B E 1/γ, E 1/γ, and E 1/γ although other (a)(20)(i) of this section have the fol- R G B forms may be used with advances in lowing significance: the state of the art. EM is the total video voltage, correspond- ing to the scanning of a particular picture NOTE: At the present state of the art it is element, applied to the modulator of the pic- considered inadvisable to set a tolerance on ture transmitter. the value of gamma and correspondingly this EY′ is the gamma-corrected voltage of the portion of the specification will not be en- monochrome (black-and-white) portion of forced.

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(v) The radiated chrominance subcar- (ii) The use of such signals shall not rier shall vanish on the reference white result in significant degradation of the of the scene. program transmission of the television broadcast station, nor produce emis- NOTE: The numerical values of the signal specification assume that this condition will sion outside of the frequency band oc- be reproduced as CIE Illuminant C (x=0.310, cupied for normal program trans- y=0.316). missions. (vi) EY′, EQ′, EI′, and the components (iii) Such signals may not be trans- of these signals shall match each other mitted during that portion of each line in time to 0.05 µ secs. devoted to horizontal blanking. (vii) The angles of the subcarrier (iv) Regardless of other provisions of measured with respect to the burst this paragraph, after June 30, 1994, Line phase, when reproducing saturated pri- 19, in each field, may be used only for maries and their complements at 75 the transmission of the ghost-canceling percent of full amplitude, shall be reference signal described in OET Bul- within ±10° and their amplitudes shall letin No. 68, which is available from be within ±20 percent of the values the Commission’s Office of Engineering specified above. The ratios of the meas- and Technology, Technical Standards ured amplitudes of the subcarrier to Branch, 2025 M Street NW. Washington, the luminance signal for the same DC 20554. Notwithstanding the modula- saturated primaries and their com- tion limits contained in paragraph plements shall fall between the limits (a)(23)(i) of this section, the vertical in- of 0.8 and 1.2 of the values specified for terval reference signal formerly per- their ratios. Closer tolerances may mitted on Line 19 and described in Fig- prove to be practicable and desirable ure 16 of § 73.699, may be transmitted on with advance in the art. any of lines 10 through 16 without spe- (21) The interval beginning with line cific Commission authorization, sub- 17 and continuing through line 20 of the ject to the conditions contained in vertical blanking interval of each field paragraphs (a)(21)(ii) and (a)(22)(ii) of may be used for the transmission of this section. test signals, cue and control signals, (22)(i) Line 21, in each field, may be and identification signals, subject to used for the transmission of a program- the conditions and restrictions set related data signal which, when de- forth below. Test signals may include coded, provides a visual depiction of in- signals designed to check the perform- formation simultaneously being pre- ance of the overall transmission sys- sented on the aural channel (captions). tem or its individual components. Cue Such data signal shall conform to the and control signals shall be related to format described in Figure 16 of § 73.699 the operation of the TV broadcast sta- and may be transmitted during all pe- tion. Identification signals may be riods of regular operation. On a space transmitted to identify the broadcast available basis, line 21 field 2 may also material or its source, and the date and be used for text-mode data and ex- time of its origination. Figures 6 and 7 tended data service information. of § 73.699 identify the numbered lines NOTE: The signals on Fields 1 and 2 shall be referred to in this paragraph. distinct data streams, for example, to supply (i) Modulation of the television captions in different languages or at dif- transmitter by such signals shall be ferent reading levels. confined to the area between the ref- erence white level and the blanking (A) A decoder test signal consisting level, except where test signals include of data representing a repeated series chrominance subcarrier frequencies, in of alphanumeric characters may be which case positive excursions of chro- transmitted at times when no program- minance components may exceed ref- related data is being transmitted. erence white, and negative excursions (B) The data signal shall be coded may extend into the synchronizing using a non-return-to-zero (NRZ) for- area. In no case may the modulation mat and shall employ standard ASCII 7 excursions produced by test signals ex- bit plus parity character codes. tend beyond peak-of-sync, or to zero NOTE: For more information on data for- carrier level. mats and specific data packets, see EIA–608,

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‘‘Line 21 Data Services for NTSC,’’ available levels set forth in paragraph (a)(23)(i) from the Electronics Industries Association. of this section. (ii) At times when Line 21 is not (vi) All lines authorized for tele- being used to transmit a program re- communications transmissions may be lated data signal, data signals which used for other purposes upon prior ap- are not program related may be trans- proval by the Commission. mitted, Provided: the same data format (24) Licensees and permittees of TV is used and the information to be dis- broadcast and low power TV stations played is of a broadcast nature. may insert non-video data into the ac- (iii) The use of Line 21 for trans- tive video portion of their TV trans- mission of other data signals conform- mission, subject to certain conditions: ing to other formats may be used sub- (i) The active video portion of the ject to prior authorization by the Com- visual signal begins with line 22 and mission. continues through the end of each (iv) The data signal shall cause no field, except it does not include that significant degradation to any portion portion of each line devoted to hori- of the visual signal nor produce emis- zontal blanking. Figures 6 and 7 of sions outside the authorized television § 73.699 identify the numbered line re- channel. ferred to in this paragraph; (v) Transmission of visual emergency (ii) Inserted non-video data may be messages pursuant to § 73.1250 shall used for the purpose of transmitting a take precedence and shall be cause for telecommunications service in accord- interrupting transmission of data sig- ance with § 73.646. In addition to a tele- nals permitted under this paragraph. communications service, non-video (23) Specific scanning lines in the data can be used to enhance the sta- vertical blanking interval may be used tion’s broadcast program service or for for the purpose of transmitting tele- purposes related to station operations. communications signals in accordance Signals relating to the operation of TV with § 73.646, subject to certain condi- stations include, but are not limited to tions: program or source identification, relay (i) Telecommunications may be of broadcast materials to other sta- transmitted on Lines 10–18 and 20, all tions, remote cueing and order mes- of Field 2 and Field 1. Modulation level sages, and control and telemetry sig- shall not exceed 70 IRE on lines 10, 11, nals for the transmitting system; and and 12; and, 80 IRE on lines 13–18 and (iii) A station may only use systems 20. for inserting non-video information (ii) No observable degradation may that have been approved in advance by be caused to any portion of the visual the Commission. The criteria for ad- or aural signals. vance approval of systems are as fol- (iii) Telecommunications signals lows: must not produce emissions outside the (A) The use of such signals shall not authorized television channel band- result in significant degradation to any width. Digital data pulses must be portion of the visual, aural, or pro- shaped to limit spectral energy to the gram-related data (closed captioning) nominal video baseband. signals of the television broadcast sta- (iv) Transmission of emergency vis- tion; ual messages pursuant to § 73.1250 must (B) No increase in width of the tele- take precedence over, and shall be vision broadcast channel (6 MHz) is cause for interrupting, a service such permitted. Emissions outside the au- as teletext that provides a visual depic- thorized television channel must not tion of information simultaneously exceed the limitations given in transmitted on the aural channel. § 73.687(e). Interference to reception of (v) A reference pulse for a decoder as- television service either of co-channel sociated adaptive equalizer filter de- or adjacent channel stations must not signed to improve the decoding of tele- increase over that resulting from the communications signals may be in- transmission of programming without serted on any portion of the vertical inserted data; and blanking interval authorized for data (C) Where required, system receiving service, in accordance with the signal or decoding devices must meet the TV

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interface device provisions of Part 15, (5) For required transmitter perform- Subpart H of this chapter. ance, all of the requirements of (iv) No protection from interference § 73.687(b) shall apply to the main chan- of any kind will be afforded to recep- nel, with the transmitter in the multi- tion of inserted non-video data. plex subcarrier or stereophonic aural (v) Upon request by an authorized mode. representative of the Commission, the (6) For electrical performance stand- licensee of a TV station transmitting ards of the transmitter, the require- encoded programming must make ments of § 73.687(b) apply to the main available a receiving decoder to the channel. Commission to carry out its regulatory (7) Multiplex subcarrier or stereo- responsibilities. phonic aural transmission systems (b) Subscription TV technical systems. must be capable of producing and must The FCC may specify, as part of the ad- not exceed ± 25 kHz main channel devi- vance approval of the technical system ation of the aural carrier. for transmitting encoded subscription (8) The arithmetic sum of non-multi- programming, deviations from the phonic baseband signals between 15 power determination procedures, oper- kHz and 120 kHz must not exceed ±50 ating power levels, aural or video kHz deviation of the aural carrier. baseband signals, modulation levels or (9) Total modulation of the aural car- other characteristics of the transmit- rier must not exced ± 75 kHz.standard; ted signal as otherwise specified in this and adopting a standard for allocation Subpart. Any decision to approve such operating deviations shall be solely at and assignment purposes only. In addi- the discretion of the FCC. tion, the Commission sought comment (c) TV multiplex subcarrier/stereo- on requiring use of some layers of the phonic aural transmission standards. ATSC DTV Standard but making oth- (1) The modulating signal for the ers optional. )(1). The SBA defines af- main channel shall consist of the sum filiation in 13 C.F.R. 121.103. In this of the stereophonic (biphonic, context, the SBA’s definition of affili- quadraphonic, etc.) input signals. ate is analogous to our attribution (2) The instantaneous frequency of rules. Generally, under the SBA’s defi- the baseband stereophonic subcarrier nition, concerns are affiliates of each must at all times be within the range other when one concern controls or has 15 kHz to 120 kHz. Either amplitude or the power to control the other, or a frequency modulation of the stereo- third party or parties controls or has phonic subcarrier may be used. the power to control both. 13 C.F.R. (3) One or more pilot subcarriers be- 121.103(a)(1). The SBA considers factors tween 16 kHz and 120 kHz may be used such as ownership, management, pre- to switch a TV receiver between the vious relationships with or ties to an- stereophonic and monophonic recep- other concern, and contractual rela- tion modes or to activate a stereo- tionships, in determining whether af- phonic audio indicator light, and one filiation exists. 13 C.F.R. 121.103(a)(2). or more subcarriers between 15 kHz and Instead of making an independent de- 120 kHz may be used for any other au- termination of whether television sta- thorized purpose; except that stations tions were affiliated based on SBA’s employing the BTSC system of stereo- definitions, we relied on the data bases phonic sound transmission and audio available to us to provide us with that processing may transmit a pilot sub- information. carrier at 15,734 Hz, ± 2 Hz. Other meth- (d) Digital broadcast television trans- ods of multiplex subcarrier or stereo- mission standard. Transmission of digi- phonic aural transmission systems tal broadcast television (DTV) signals must limit energy at 15,734 Hz, ± 20 Hz, shall comply with the standards for to no more than ± 0.125 kHz aural car- such transmissions set forth in Ad- rier deviation. vanced Television Systems Committee (4) Aural baseband information above (ATSC) Doc. A/52 (‘‘ATSC Standard 120 kHz must be attenuated 40 dB ref- Digital Audio Compression (AC–3), 20 erenced to 25 kHz main channel devi- Dec 95’’) and ATSC Doc A/53 (‘‘ATSC ation of the aural carrier. Digital Television Standard, 16 Sep

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95’’), except for Section 5.1.2 (‘‘Com- (b) It should be realized that the F pression format constraints’’) of Annex (50,50) curves when used for Channels A (‘‘Video Systems Characteristics’’) 14–69 are not based on measured data at and the phrase ‘‘see Table 3’’ in Section distances beyond about 48.3 kilometers 5.1.1 Table 2 and Section 5.1.2 Table 4. (30 miles). Theory would indicate that Although not incorporated herein by the field strengths for Channels 14–69 reference, licensees may also consult should decrease more rapidly with dis- ATSC Doc. A/54 (‘‘Guide to the Use of tance beyond the horizon than for the ATSC Digital Television Standard, Channels 2–6, and modification of the 4 Oct 95’’) for guidance. This incorpora- curves for Channels 14–69 may be ex- tion by reference was approved by the pected as a result of measurements to Director of the Federal Register in ac- be made at a later date. For these rea- cordance with 5 U.S.C. 552(a) and 1 CFR sons, the curves should be used with part 51. Copies may be inspected at the appreciation of their limitations in es- Federal Communications Commission, timating levels of field strength. Fur- 1919 M Street, NW., Washington, DC ther, the actual extent of service will 20554 or at the Office of the Federal usually be less than indicated by these Register, 800 N. Capitol Street, NW., estimates due to interference from Washington, DC. Copies of ATSC A/52, other stations. Because of these fac- A/53, and A/54 can be obtained from the tors, the predicted field strength con- Commission’s contract copier or from tours give no assurance of service to the Advanced Television Systems Com- any specific percentage of receiver lo- mittee, 1750 K Street, NW., suite 800, cations within the distances indicated. Washington, DC 20006. They are also In licensing proceedings these vari- available in their entirety on the ations will not be considered. Internet at http://www.atsc.org. (c) The field strength contours will be considered for the following pur- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, poses only: 1068, 1082 (47 U.S.C. 154, 155, 303)) (1) In the estimation of coverage re- [28 FR 13660, Dec. 14, 1963] sulting from the selection of a particu- lar transmitter site by an applicant for EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 73.682, see the List of a TV station. CFR Sections Affected appearing in the (2) In connection with problems of Finding Aids section of this volume. coverage arising out of application of § 73.3555. § 73.683 Field strength contours. (3) In determining compliance with (a) In the authorization of TV sta- § 73.685(a) concerning the minimum tions, two field strength contours are field strength to be provided over the considered. These are specified as principal community to be served. Grade A and Grade B and indicate the [44 FR 36039, June 20, 1979, as amended at 47 approximate extent of coverage over FR 35990, Aug. 18, 1982; 50 FR 23699, June 5, average terrain in the absence of inter- 1985; 50 FR 32416, Aug. 12, 1985] ference from other television stations. Under actual conditions, the true cov- § 73.684 Prediction of coverage. erage may vary greatly from these es- (a) All predictions of coverage made timates because the terrain over any pursuant to this section shall be made specific path is expected to be different without regard to interference and from the average terrain on which the shall be made only on the basis of esti- field strength charts were based. The mated field strengths. The peak power required field strength, F (50,50), in dB of the visual signal is used in making above one micro-volt per meter (dBu) predictions of coverage. for the Grade A and Grade B contours (b) Predictions of coverage shall be are as follows: made only for the same purposes as re- late to the use of field strength con- Grade A Grade B (dBu) (dBu) tours as specified in § 73.683(c). (c) In predicting the distance to the Channels 2±6 ...... 68 47 field strength contours, the F (50,50) Channels 7±13 ...... 71 56 field strength charts (Figures 9 and 10 Channels 14±69 ...... 74 64 of § 73.699) shall be used. If the 50% field

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strength is defined as that value ex- H is the height in meters of the transmitting ceeded for 50% of the time, these F antenna radiation center above average (50,50) charts give the estimated 50% terrain of the 3.2—16.1 kilometers (2–10 field strengths exceeded at 50% of the miles) sector of the pertinent radial. locations in dB above 1 uV/m. The This formula is empirically derived for the charts are based on an effective power limited purpose specified here. Its use for of 1 kW radiated form a half-wave any other purpose may be inappropriate. dipole in free space, which produces an (2) In case where the relative field unattenuated field strength at 1.61 kil- strength at the depression angle deter- ometers (1 mile) of about 103 dB above mined by the above formula is 90% or 1 uV/m. To use the charts to predict more of the maximum field strength the distance to a given contour, the developed in the vertical plane con- following procedure is used: Convert taining the pertaining radial, the maxi- the effective radiated power in kilo- mum radiation shall be used. watts for the appropriate azimuth into (3) In predicting field strengths for decibel value referenced to 1 kW (dBu). other than the Grade A and Grade B If necessary, convert the selected con- contours, the effective radiated power tour to the decibel value (dBu) above 1 to be used is to be based on the appro- microvolt per meter (1 uV/m). Subtract priate antenna vertical plane radiation the power value in dBk from the con- pattern for the azimuthal direction tour value in dBu. Note that for power concerned. less than 1 kW, the difference value (4) Applicants for new TV stations or will be greater than the contour value changes in the facilities of existing TV because the power in dBk is negative. stations must submit to the FCC a Locate the difference value obtained on showing as to the location of their sta- the vertical scale at the left edge of the tions’ or proposed stations’ predicted chart. Follow the horizontal line for Grade A and Grade B contours, deter- that value into the chart to the point mined in accordance with § 73.684. This of intersection with the vertical line showing is to include maps showing above the height of the antenna above these contours, except where appli- average terrain for the appropriate azi- cants have previously submitted mate- muth located on the scale at the bot- rial to the FCC containing such infor- tom of the chart. If the point of inter- mation and it is found upon careful ex- section does not fall exactly on a dis- amination that the contour locations tance curve, interpolate between the indicated therein would not change, on distance curves below and above the any radial, when the locations are de- intersection point. The distance values termined under this Section. In the lat- for the curves are located along the ter cases, a statement by a qualified right edge of the chart. engineer to this effect will satisfy this (1) In predicting the distance to the requirement and no contour maps need Grade A and Grade B field strength be submitted. contours, the effective radiated power (d) The antenna height to be used to be used is that radiated at the verti- with these charts is the height of the cal angle corresponding to the depres- radiation center of the antenna above sion angle between the transmitting the average terrain along the radial in antenna center of radiation and the question. In determining the average radio horizon as determined individ- elevation of the terrain, the elevations ually for each azimuthal direction con- between 3.2–16.1 kilometers (2–10 miles) cerned. The depression angle is based on the difference in elevation of the an- from the antenna site are employed. tenna center of radiation above the av- Profile graphs shall be drawn for 8 erage terrain and the radio horizon, as- radials beginning at the antenna site suming a smooth sperical earth with a and extending 16.1 kilometers (10 miles) radius of 8,495.5 kilometers (5,280 miles) therefrom. The radials should be drawn and shall be determined by the follow- for each 45 degrees of azimuth starting ing equation: with the True North. At least one ra- dial must include the principal commu- A = 0.0277√ H nity to be served even though such Where: community may be more than 16.1 kil- A is the depression angle in degrees. ometers (10 miles) from the antenna

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site. However, in the event none of the graphs should be plotted with the dis- evenly spaced radials include the prin- tance in kilometers as the abscissa and cipal community to be served and one the elevation in meters above mean sea or more such radials are drawn in addi- level as the ordinate. The profile tion to the 8 evenly spaced radials, graphs should indicate the source of such additional radials shall not be em- the topographical data employed. The ployed in computing the antenna graph should also show the elevation of height above average terrain. Where the center of the radiating system. The the 3.2–16.1 kilometers (2–10 mile) por- graph may be plotted either on rectan- tion of a radial extends in whole or in gular coordinate paper or on special part over large bodies of water as speci- paper which shows the curvature of the fied in paragraph (e) of this section or earth. It is not necessary to take the extends over foreign territory but the curvature of the earth into consider- Grade B strength contour encompasses land area within the United States be- ation in this procedure, as this factor yond the 16.1 kilometers (10 mile) por- is taken care of in the charts showing tion of the radial, the entire 3.2–16.1 signal strengths. The average elevation kilometers (2–10 mile) portion of the of the 12.9 kilometer (8 miles) distance radial shall be included in the com- between 3.2–16.1 kilometers (2–10 miles) putation of antenna height above aver- from the antenna site should then be age terrian. However, where the Grade determined from the profile graph for B contour does not so encompass Unit- each radial. This may be obtained by ed States land area and (1) the entire averaging a large number of equally 3.2–16.1 kilometers (2–10 mile) portion spaced points, by using a planimeter, of the radial extends over large bodies or by obtaining the median elevation of water of foreign territory, such ra- (that exceeded for 50% of the distance) dial shall be completely omitted from in sectors and averaging those values. the computation of antenna height above average terrain, and (2) where a NOTE: The Commission will, upon a proper part of the 3.2–16.1 kilometers (2–10 showing by an existing station that the ap- plication of this rule will result in an unrea- mile) portion of a radial extends over sonable power reduction in relation to other large bodies of water or over foreign stations in close proximity, consider re- territory, only that part of the radial quests for adjustment in power on the basis extending from the 3.2 kilometer (2 of a common average terrain figure for the mile) sector to the outermost portion stations in question as determined by the of land area within the United States FCC. covered by the radial shall be employed (e) In instance where it is desired to in the computation of antenna height determine the area in square kilo- above average terrian. The profile meters within the Grade A and Grade B graph for each radial should be plotted field strength contours, the area may by contour intervals of from 12.2–30.5 be determined from the coverage map meters (40–100 feet) and, where the data by planimeter or other approximate permits, at least 50 points of elevation means; in computing such areas, (generally uniformly spaced) should be exclued (1) areas beyond the borders of used for each radial. In instances of the United States, and (2) large bodies very rugged terrain where the use of contour intervals of 30.5 meters (100 of water, such as ocean areas, gulfs feet) would result in several points in a sounds, bays, large lakes, etc., but not short distance, 61.0–122.0 meter (200–400 rivers. foot) contour intervals may be used for (f) In cases where terrain in one or such distances. On the other hand, more directions from the antenna site where the terrain is uniform or gently departs widely from the average ele- sloping the smallest contour interval vation of the 3.2 to 16.1 kilometers (2 to indicated on the topograhic may (see 10 mile) sector, the prediction method paragraph (g) of this section) should be may indicate contour distances that used, although only relatively few are different from what may be ex- points may be available. The profile pected in practice. For example, a graphs should indicate the topography accurately for each radial, and the

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mountain ridge may indicate the prac- radially from the transmitter site. Or- tical limit of service although the pre- dinarily the Commission will not re- diction method may indicate other- quire the submission of topographical wise. In such case the prediction meth- maps for areas beyond 24.1 kilometers od should be followed, but a supple- (15 miles) from the antenna site, but mental showing may be made concern- the maps must include the principal ing the contour distances as deter- community to be served. If it appears mined by other means. Such supple- necessary, additional data may be re- mental showing should describe the quested. United States Geological Sur- procedure employed and should include vey Topographic Quadrangle Maps may sample calculations. Maps of predicted be obtained from the United States Ge- coverage should include both the cov- ological Survey, Department of the In- erage as predicted by the regular meth- terior, Washington, DC 20240. Sectional od and as predicted by a supplemental Aeronautical Charts are available from method. When measurements of area the United States Coast and Geodetic are required, these should include the Survey, Department of Commerce, area obtained by the regular predicted Washington, DC 20235. In lieu of maps, method and the area obtained by the the average terrain elevation may be supplemental method. In directions computer generated, except in the where the terrain is such that negative cases of dispute, using elevations from antenna heights or heights below 30.5 a 30 second point or better topographic meters (100 feet) for the 3.2 to 16.1 kilo- data file. The file must be identified meters (2 to 10 mile) sector are ob- and the data processed for intermedi- tained, an assumed height of 30.5 me- ate points along each radial using lin- ters (100 feet) shall be used for the pre- ear interpolation techniques. The diction of coverage. However, where height above mean sea level of the an- the actual contour distances are criti- tenna site must be obtained manually cal factors, a supplemental showing of using appropriate topographic maps. expected coverage must be included to- (h) The effect of terrain roughness on gether with a description of the meth- the predicted field strength of a signal od employed in predicting such cov- at points distant from a television erage. In special cases, the Commission broadcast station is assumed to depend may require additional information as on the magnitude of a terrain rough- to terrain and coverage. ness factor (∆ h) which, for a specific (g) In the preparation of the profile propagation path, is determined by the graph previously described, and in de- characteristics of a segment of the ter- termining the location and height rain profile for that path 40.2 kilo- above sea level of the antenna site, the meters (25 miles) in length, located be- elevation or contour intervals shall be tween 9.7 and 49.9 kilometers (6 and 31 taken from the United States Geologi- miles) from the transmitter. The ter- cal Survey Topographic Quadrangle rain roughness factor has a value equal Maps, United States Army Corps of En- to the difference, in meters, between gineers’ maps or Tennessee Valley Au- elevations exceeded by all points on thority maps, whichever is the latest, the profile for 10 percent and 90 per- for all areas for which such maps are cent, respectively, of the length of the available. If such maps are not pub- profile segment (see § 73.699, Fig. 10d). lished for the area in question, the next (i) If the lowest field strength value best topographic information should be of interest is initially predicted to used. Topographic data may sometimes occur over a particular propagation be obtained from State and Municipal path at a distance which is less than agencies. Data from Sectional Aero- 49.9 kilometers (31 miles) from the nautical Charts (including bench transmitter, the terrain profile seg- marks) or railroad depot elevations and ment used in the determination of the highway elevations from road maps terrain roughness factor over that path may be used where no better informa- shall be that included between points tion is available. In cases where lim- 9.7 kilometers (6 miles) from the trans- ited topographic data is available, use mitter and such lesser distance. No ter- may be made of an altimeter in a car rain roughness correction need be ap- driven along roads extending generally plied when all field strength values of

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interest are predicted to occur 9.7 kilo- over the entire principal community to meters (6 miles) or less from the trans- be served: mitter. (j) Profile segments prepared for ter- Channels 2±6 Channels 7±13 Channels 14±69 rain roughness factor determinations 74 dBu 77 dBu 80 dBu should be plotted in rectangular co- ordinates, with no less than 50 points (b) Location of the antenna at a evenly spaced within the segment, point of high elevation is necessary to using data obtained from topographic reduce to a minimum the shadow effect maps, if available, with contour inter- on propagation due to hills and build- vals of 15.2 meters (50 feet), or less. ings which may reduce materially the (k) The field strength charts (§ 73.699, strength of the station’s signals. In Figs. 9–10c) were developed assuming a general, the transmitting antenna of a terrain roughness factor of 50 meters, station should be located at the most which is considered to be representa- central point at the highest elevation tive of average terrain in the United available. To provide the best degree of States. Where the roughness factor for service to an area, it is usually pref- a particular propagation path is found erable to use a high antenna rather to depart appreciably from this value, than a low antenna with increased a terrain roughness correction (∆F) transmitter power. The location should should be applied to field strength val- be so chosen that line-of-sight can be ues along this path as predicted with obtained from the antenna over the the use of these charts. The magnitude principal community to be served; in and sign of this correction, for any no event should there be a major ob- value of ∆h, may be determined from a struction in this path. The antenna chart included in § 73.699 as Figure 10e, must be constructed so that it is as with linear interpolation as necessary, clear as possible of surrounding build- for the frequency of the UHF signal ings or objects that would cause shad- under consideration. ow problems. It is recognized that to- (l) Alternatively, the terrain rough- pography, shape of the desired service ness correction may be computed using area, and population distribution may the following formula: make the choice of a transmitter loca- ∆F=C¥0.03(∆h)(1+f/300) tion difficult. In such cases, consider- ation may be given to the use of a di- Where: rectional antenna system, although it ∆F=terrain roughness correction in dB is generally preferable to choose a site C=a constant having a specific value for use where a nondirectional antenna may be with each set of field strength charts: employed. 1.9 for TV Channels 2–6 (c) In cases of questionable antenna 2.5 for TV Channels 7–13 4.8 for TV Channels 14–69 locations it is desirable to conduct ∆h=terrain roughness factor in meters propagation tests to indicate the field f=frequency of signal in megahertz (MHz) strength expected in the principal com- [28 FR 13660, Dec. 13, 1963, as amended at 40 munity to be served and in other areas, FR 27683, July 1, 1975; 44 FR 36039, June 20, particularly where severe shadow prob- 1979; 48 FR 44807, Sept. 30, 1983; 50 FR 23699, lems may be expected. In considering June 5, 1985; 51 FR 26251, July 22, 1986; 52 FR applications proposing the use of such 36879, Oct. 1, 1987] locations, the Commission may require EFFECTIVE DATE NOTE: At 42 FR 25736, May site tests to be made. Such tests should 19, 1977, in § 73.684, (k) and (l) are stayed in- be made in accordance with the meas- definitely. urement procedure in § 73.686, and full data thereon must be supplied to the § 73.685 Transmitter location and an- Commission. Test transmitters should tenna system. employ an antenna having a height as (a) The transmitter location shall be close as possible to the proposed an- chosen so that, on the basis of the ef- tenna height, using a balloon or other fective radiated power and antenna support if necessary and feasible. Infor- height above average terrain employed, mation concerning the authorization of the following minimum field strength site tests may be obtained from the in dB above one uV/m will be provided Commission upon request.

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(d) Present information is not suffi- of tilt in degrees of the antenna verti- ciently complete to establish ‘‘blanket cal axis and the orientation of the areas’’ of television broadcast stations. downward tilt with respect to true A ‘‘blanket area’’ is that area adjacent North must be specified, and the hori- to a transmitter in which the reception zontal plane pattern must reflect the of other stations is subject to inter- use of mechanical beam tilt. ference due to the strong signal from (3) A tabulation of the relative field this station. The authorization of sta- pattern required in paragraph (b)(2), of tion construction in areas where blan- this section. The tabulation should use keting is found to be excessive will be the same zero degree reference as the on the basis that the applicant will as- plotted pattern, and be tabulated at sume full responsibility for the adjust- least every 10°. In addition, tabulated ment of reasonable complaints arising values of all maxima and minima, with from excessively strong signals of the their corresponding azimuths, should applicant’s station or take other cor- be submitted. rective action. (e) An antenna designed or altered to (4) Horizontal and vertical plane radi- produce a noncircular radiation pat- ation patterns showing the effective ra- tern in the horizontal plane is consid- diated power, in dBk, for each direc- ered to be a directional antenna. An- tion. Sufficient vertical plane patterns tennas purposely installed in such a must be included to indicate clearly manner as to result in the mechanical the radiation characteristics of the an- beam tilting of the major vertical radi- tenna above and below the horizontal ation lobe are included in this cat- plane. In cases where the angles at egory. Directional antennas may be which the maximum vertical radiation employed for the purpose of improving varies with azimuth, a separate verti- service upon an appropriate showing of cal radiation pattern must be provided need. Stations operating on Channels for each pertinent radial direction. 2–13 will not be permitted to employ a (5) All horizontal plane patterns directional antenna having a ratio of must be plotted to the largest scale maximum to minimum radiation in the possible on unglazed letter-size polar horizontal plane in excess of 10 dB. Sta- coordinate paper (main engraving ap- tions operating on Channels 14–69 with proximately 18 cm x 25 cm (7 inches x transmitters delivering a peak visual 10 inches)) using only scale divisions power output of more than 1 kW may and subdivisions of 1, 2, 2.5 or 5 times employ directive transmitting anten- 10-nth. All vertical plane patterns must nas with a maximum to minimum radi- be plotted on unglazed letter-size rec- ation in the horizontal plane of not tangular coordinate paper. Values of more than 15 dB. Stations operating on field strength on any pattern less than Channels 14–69 and employing trans- 10% of the maximum field strength mitters delivering a peak visual power plotted on that pattern must be shown output of 1 kW or less are not limited on an enlarged scale. as to the ratio of maximum to mini- mum radiation. (6) The horizontal and vertical plane (f) Applications proposing the use of patterns that are required are the pat- directional antenna systems must be terns for the complete directional an- accompanied by the following: tenna system. In the case of a compos- (1) Complete description of the pro- ite antenna composed of two or more posed antenna system, including the individual antennas, this means that manufacturer and model number of the the patterns for the composite an- proposed directional antenna. tenna, not the patterns for each of the (2) Relative field horizontal plane individual antennas, must be submit- pattern (horizontal polarization only) ted. of the proposed directional antenna. A (g) Applications proposing the use of value of 1.0 should be used for the max- television broadcast antennas within imum radiation. The plot of the pat- 61.0 meters (200 feet) of other television tern should be oriented so that 0° cor- broadcast antennas operating on a responds to true North. Where mechan- channel within 20 percent in frequency ical beam tilt is intended, the amount of the proposed channel, or proposing

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the use of television broadcast anten- struction of the TV station antenna, and re- nas on Channels 5 or 6 within 61.0 me- adjustments made as necessary. ters (200 feet) of FM broadcast anten- nas, must include a showing as to the § 73.686 Field strength measurements. expected effect, if any, of such proxi- (a) Except as provided for in § 73.612, mate operation. television broadcast stations shall not (h) Where a TV licensee or permittee be protected from any type of inter- proposes to mount an antenna on an ference or propagation effect. Persons AM antenna tower, or locate within 3.2 desiring to submit testimony, evidence km of an AM antenna tower, the TV li- or data to the Commission for the pur- censee or permittee must comply with pose of showing that the technical § 73.1692. standards contained in this subpart do (Secs. 4, 5, 303, 48 Stat., as amended, 1066, not properly reflect the levels of any 1068, 1082 (47 U.S.C. 154, 155, 303)) given type of interference or propaga- tion effect may do so only in appro- [28 FR 13660, Dec. 14, 1963, as amended at 35 priate rulemaking proceedings con- FR 5693, Apr. 8, 1970; 40 FR 25461, June 16, 1975; 43 FR 53740, Nov. 17, 1978; 44 FR 22740, cerning the amendment of such tech- Apr. 17, 1979; 45 FR 26065, Apr. 17, 1980; 47 FR nical standards. Persons making field 35990, Aug. 18, 1982; 48 FR 21486, May 12, 1983; strength measurements for formal sub- 50 FR 23701, June 5, 1985; 58 FR 44951, Aug. 25, mission to the Commission in rule- 1993; 62 FR 51059, Sept. 30, 1997] making proceedings, or making such EFFECTIVE DATE NOTE: At 62 FR 51059, measurements upon the request of the Sept. 30, 1997, § 73.685 was amended by revis- Commission, shall follow the procedure ing paragraph (h), effective Dec. 1, 1997. For for making and reporting such meas- the convenience of the user, the superseded urements outlined in paragraph (b) of text is set forth as follows: this section. In instances where a § 73.685 Transmitter location and antenna showing of the measured level of a sig- system. nal prevailing over a specific commu- nity is appropriate, the procedure for * * * * * making and reporting field strength measurements for this purpose is set (h) Where simultaneous use of antennas or forth in paragraph (c) of this section. antenna structures is proposed, the following provisions shall apply: (b) Collection of field strength data (1) In cases where it is proposed to use a for propagation analysis. tower of an AM broadcast station as a sup- (1) Preparation for measurements. (i) porting structure for a television broadcast On large scale topographic maps, eight antenna, an appropriate application for or more radials are drawn from the changes in the radiating system of the AM transmitter location to the maximum broadcast station must be filed by the li- distance at which measurements are to censee thereof. A formal application (FCC Form 301, or FCC Form 340 for a noncommer- be made, with the angles included be- cial educational station) will be required if tween adjacent radials of approxi- the proposal involves substantial change in mately equal size. Radials should be the physical height or radiation characteris- oriented so as to traverse representa- tics of the AM broadcast antennas; otherwise tive types of terrain. The specific num- an informal application will be acceptable. ber of radials and their orientation (In case of doubt, an informal application should be such as to accomplish this (letter) together with complete engineering objective. data should be submitted.) An application may be required for other classes of stations (ii) At a point exactly 16.1 kilometers when the tower is to be used in connection (10 miles) from the transmitter, each with a television station. radial is marked, and at greater dis- (2) When the proposed TV antenna is to be tances at successive 3.2 kilometer (2 mounted on a tower in the vicinity of an AM mile) intervals. Where measurements station directional antenna system and it are to be conducted at UHF, or over ex- appears that the operation of the directional tremely rugged terrain, shorter inter- antenna system may be affected, an engi- vals may be employed, but all such in- neering study must be filed with the TV ap- plication concerning the effect of the TV an- tervals shall be of equal length. Acces- tenna on the AM directional radiation pat- sible roads intersecting each radial as tern. Field measurements of the AM stations nearly as possible at each 3.2 kilometer may be required prior to and following con- (2 mile) marker are selected. These

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intersections are the points on the ra- as to receive the strongest field, are dial at which measurements are to be measured and recorded. Generally, all made, and are referred to subsequently points should be within 61.0 meters (200 as measuring locations. The elevation feet) of the center point of the mobile of each measuring location should ap- run. proach the elevation at the correspond- (viii) If overhead obstacles preclude a ing 3.2 kilometer (2 mile) marker as mobile run of at leat 30.5 meters (100 nearly as possible. feet), a ‘‘cluster’’ of five spot measure- (2) Measurement procedure. The field ments may be made in lieu of this run. strength of the visual carrier shall be The first measurement in the cluster is measured with a voltmeter capable of identified. Generally, the locations for indicating accurately the peak ampli- other measurements shall be within tude of the synchronizing signal. All 61.0 meters (200 feet) of the location of measurements shall be made utilizing the first. a receiving antenna designed for recep- (3) Method of reporting measurements. tion of the horizontally polarized sig- A report of measurements to the Com- nal component, elevated 9.1 meters (30 mission shall be submitted in affidavit feet) above the roadbed. At each meas- form, in triplicate, and should contain uring location, the following procedure the following information: shall be employed. (i) Tables of field strength measure- (i) The instrument calibration is ments, which, for each measuring loca- checked. tion, set forth the following data: (ii) The antenna is elevated to a (A) Distance from the transmitting height of 30 feet. antenna. (iii) The receiving antenna is rotated to determine if the strongest signal is (B) Ground elevation at measuring arriving from the direction of the location. transmitter. (C) Date, time of day, and weather. (iv) The antenna is oriented so that (D) Median field in dBu for 0 dBk, for the sector of its response pattern over mobile run or for cluster, as well as which maximum gain is realized is in maximum and minimum measured the direction of the transmitter. field strengths. (v) A mobile run of at least 30.5 me- (E) Notes describing each measuring ters (100 feet) is made, which is cen- location. tered on the intersection of the radial (ii) U.S. Geological Survey topo- and the road, and the measured field graphic maps, on which is shown the strength is continuously recorded on a exact location at which each measure- chart recorder over the length of the ment was made. The original plots run. shall be made on maps of the largest (vi) The actual measuring location is available scale. Copies may be reduced marked exactly on the topographic in size for convenient submission to map, and a written record, keyed to the Commission, but not to the extent the specific location, is made of all fac- that important detail is lost. The origi- tors which may affect the recorded nal maps shall be made available, if re- field, such as topography, height and quested. If a large number of maps is types of vegetation, buildings, obsta- involved, an index map should be sub- cles, weather, and other local features. mitted. (vii) If, during the test conducted as (iii) All information necessary to de- described in paragraph (b)(2)(iii) of this termine the pertinent characteristics section, the strongest signal is found to of the transmitting installation, in- come from a direction other than from cluding frequency, geographical coordi- the transmitter, after the mobile run nates of antenna site, rated and actual prescribed in paragraph (b)(2)(v) of this power output of transmitter, measured section is concluded, additional meas- transmission line loss, antenna power urements shall be made in a ‘‘cluster’’ gain, height of antenna above ground, of at least five fixed points. At each above mean sea level, and above aver- such point, the field strengths with the age terrain. The effective radiated antenna oriented toward the transmit- power should be computed, and hori- ter, and with the antenna oriented so zontal and vertical plane patterns of

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the transmitting antenna should be prepared, and at as nearly the same submitted. elevation as that point as possible. (iv) A list of calibrated equipment (ii) At each measuring location, after used in the field strength survey, equipment calibration and elevation of which, for each instrument, specifies the antenna, a check is made to deter- its manufacturer, type, serial number mine whether the strongest signal ar- and rated accuracy, and the date of its rives from a direction other than from most recent calibration by the manu- the transmitter. facturer, or by a laboratory. Complete (iii) At 20 percent or more of the details of any instrument not of stand- measuring locations, mobile runs, as ard manufacture shall be submitted. described in paragraph (b)(2) of this (v) A detailed description of the cali- section shall be made, with no less bration of the measuring equipment, than three such mobile runs in any including field strength meters, meas- case. The points at which mobile meas- uring antenna, and connecting cable. urements are made shall be well sepa- (vi) Terrain profiles in each direction rated. Spot measurements may be in which measurements were made, made at other measuring points. drawn on curved earth paper for equiv- (iv) Each actual measuring location alent 4/3 earth radius, of the largest is marked exactly on the map of the available scale. community, and suitably keyed. A (c) Collection of field strength data written record shall be maintained, de- to determine television service in spe- scribing, for each location, factors cific communities. which may affect the recorded field, (1) Preparation for measurement. (i) such as the approximate time of meas- The population (P) of the community, urement, weather, topography, over- and its suburbs, if any, is determined head wiring, heights and types of vege- by reference to an appropriate source, tation, buildings and other structures. e.g., the 1970 U.S. Census tables of pop- The orientation, with respect to the ulation of cities and urbanized areas. measuring location shall be indicated (ii) The number of locations at which of objects of such shape and size as to measurements are to be made shall be be capable of causing shadows or re- at least 15, and shall be approximately flections. If the strongest signal re- equal to 0.1 (P) 1⁄2, if this product is a ceived was found to arrive from a di- number greater than 15. rection other than that of the trans- (iii) A rectangular grid, of such size mitter, this fact shall be recorded. and shape as to encompass the bound- (3) Method of reporting measurements. aries of the community is drawn on an A report of measurements to the Com- accurate map of the community. The mission shall be submitted in affidavit number of line intersections on the form, in triplicate, and should contain grid included within the boundaries of the following information: the community shall be at least equal (i) A map of the community showing to the required number of measuring each actual measuring location, spe- locations. The position of each inter- cifically identifying the points at section on the community map deter- which mobile runs were made. mines the location at which a measure- (ii) A table keyed to the above map, ment shall be made. showing the field strength at each (2) Measurement procedure. The field measuring point, reduced to dBu for strength of the visual carrier shall be the actual effective radiated power of measured, with a voltmeter capable of the station. Weather, date, and time of indicating accurately the peak ampli- each measurement shall be indicated. tude of the synchronizing signal. All (iii) Notes describing each measuring measurements shall be made utilizing location. a receiving antenna designed for recep- (iv) A topographic map of the largest tion of the horizontally polarized sig- available scale on which are marked nal component, elevated 9.1 meter (30 the community and the transmitter feet) above street level. site of the station whose signals have (i) Each measuring location shall be been measured, which includes all chosen as close as feasible to a point areas on or near the direct path of sig- indicated on the map, as previously nal propagation.

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(v) Computations of the mean and ¥3 dB at 2.0 MHz above visual carrier fre- standard deviation of all measured quency; field strengths, or a graph on which the ¥6 dB at 3.0 MHz above visual carrier fre- distribution of measured field strength quency; values is plotted. ¥12 dB at 3.5 MHz above visual carrier fre- quency; (vi) A list of calibrated equipment ¥8 dB at 3.58 MHz above visual carrier fre- used for the measurements, which for quency (for color transmission only). each instrument, specifies its manufac- turer, type, serial number and rated ac- The field strength or voltage of the curacy, and the date of its most recent upper and lower sidebands, as radiated calibration by the manufacturer, or by or dissipated and measured as de- a laboratory. Complete details of any scribed in paragraph (a)(2) of this sec- instrument not of standard manufac- tion, shall not exceed a level of ¥20 dB ture shall be submitted. for a modulating frequency of 4.75 MHz (vii) A detailed description of the or greater. If interference to the recep- procedure employed in the calibration tion of other stations is caused by out- of the measuring equipment, including of-channel lower sideband emission, field strength meters measuring an- the technical requirements applicable tenna, and connecting cable. to stations operating on Channels 2–13 shall be met. [40 FR 27683, July 1, 1975, as amended at 50 (2) The attenuation characteristics of FR 23701, June 5, 1985] a visual transmitter shall be measured by application of a modulating signal § 73.687 Transmission system require- to the transmitter input terminals in ments. place of the normal composite tele- (a) Visual transmitter. (1) The field vision video signal. The signal applied strength or voltage of the lower side- shall be a composite signal composed band, as radiated or dissipated and of a synchronizing signal to establish measured as described in paragraph peak output voltage plus a variable fre- (a)(2) of this section, shall not be great- quency sine wave voltage occupying er than ¥20 dB for a modulating fre- the interval between synchronizing quency of 1.25 MHz or greater and in pulses. (The ‘‘synchronizing signal’’ re- addition, for color, shall not be greater ferred to in this section means either a than ¥42 dB for a modulating fre- standard synchronizing wave form or quency of 3.579545 MHz (the color sub- any pulse that will properly set the carrier frequency). For both mono- peak.) The axis of the sine wave in the chrome and color, the field strength or composite signal observed in the out- voltage of the upper sideband as radi- put monitor shall be maintained at an ated or dissipated and measured as de- amplitude 0.5 of the voltage at syn- scribed in paragraph (a)(2) of this sec- chronizing peaks. The amplitude of the tion shall not be greater than ¥20 dB sine wave input shall be held at a con- for a modulating frequency of 4.75 MHz stant value. This constant value should or greater. For stations operating on be such that at no modulating fre- Channels 15–69 and employing a trans- quency does the maximum excursion of mitter delivering maximum peak vis- the sine wave, observed in the compos- ual power output of 1 kW or less, the ite output signal monitor, exceed the field strength or voltage of the upper value 0.75 of peak output voltage. The and lower sidebands, as radiated or dis- amplitude of the 200 kHz sideband shall sipated and measured as described in be measured and designated zero dB as paragraph (a)(2) of this section, shall a basis for comparison. The modulation depart from the visual amplitude char- signal frequency shall then be varied acteristic (Figure 5a of § 73.699) by no over the desired range and the field more than the following amounts: strength or signal voltage of the cor- responding sidebands measured. As an ¥2 dB at 0.5 MHz below visual carrier fre- quency; alternate method of measuring, in ¥2 dB at 0.5 MHz above visual carrier fre- those cases in which the automatic d-c quency; insertion can be replaced by manual ¥2 dB at 1.25 MHz above visual carrier fre- control, the above characteristic may quency; be taken by the use of a video sweep

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generator and without the use of ped- having a time constant of 75 microsec- estal synchronizing pulses. The d-c onds. (See upper curve of Figure 12 level shall be set for midcharacteristic § 73.699.) operation. (2) If a limiting or compression am- (3) A sine wave, introduced at those plifier is employed, precaution should terminals of the transmitter which are be maintained in its connection in the normally fed the composite color pic- circuit due to the use of pre-emphasis ture signal, shall produce a radiated in the transmitting system. signal having an envelope delay, rel- (3) Aural modulation levels are speci- ative to the average envelope delay be- fied in § 73.1570. tween 0.05 and 0.20 MHz, of zero micro- (c) Requirements applicable to both vis- seconds up to a frequency of 3.0 MHz; ual and aural transmitters. (1) Auto- and then linearly decreasing to 4.18 matic means shall be provided in the MHz so as to be equal to ¥0.17 µ secs at visual transmitter to maintain the car- 3.58 MHz. The tolerance on the enve- rier frequency within ±1 kHz of the au- lope delay shall be ±0.05 µ secs at 3.58 thorized frequency; automatic means MHz. The tolerance shall increase lin- shall be provided in the aural transmit- early to ±0.1 µ sec down to 2.1 MHz, and ter to maintain the carrier frequency remain at ±0.1 µ sec down to 0.2 MHz. 4.5 MHz above the actual visual carrier (Tolerances for the interval of 0.0 to 0.2 frequency within ±1 kHz. MHz are not specified at the present (2) The transmitters shall be time.) The tolerance shall also increase equipped with suitable indicating in- linearly to ±0.1 µ sec at 4.18 MHz. struments for the determination of op- (4) The radio frequency signal, as ra- erating power and with other instru- diated, shall have an envelope as would ments necessary for proper adjustment, be produced by a modulating signal in operation, and maintenance of the conformity with § 73.682 and Figure 6 or equipment. 7 of § 73.699, as modified by vestigial (3) Adequate provision shall be made sideband operation specified in Figure for varying the output power of the 5 of § 73.699. For stations operating on transmitters to compensate for exces- Channels 15–69 the radio frequency sig- sive variations in line voltage or for nal as radiated, shall have an envelope other factors affecting the output as would be produced by a modulating power. signal in conformity with § 73.682 and (4) Adequate provisions shall be pro- Figure 6 or 7 of § 73.699. vided in all component parts to avoid (5) The time interval between the overheating at the rated maximum leading edges of successive horizontal output powers. pulses shall vary less than one half of (d) The construction, installation, one percent of the average interval. and operation of broadcast equipment However, for color transmissions, is expected to conform with all applica- § 73.682(a) (5) and (6) shall be control- ble local, state, and federally imposed ling. safety regulations and standards, en- (6) The rate of change of the fre- forcement of which is the responsibil- quency of recurrence of the leading ity of the issuing regulatory agency. edges of the horizontal synchronizing (e) Operation. (1) Spurious emissions, signals shall be not greater than 0.15 including radio frequency harmonics, percent per second, the frequency to be shall be maintained at as low a level as determined by an averaging process the state of the art permits. As meas- carried out over a period of not less ured at the output terminals of the than 20, nor more than 100 lines, such transmitter (including harmonic fil- lines not to include any portion of the ters, if required) all emissions removed blanking interval. However, for color in frequency in excess of 3 MHz above transmissions, § 73.682(a) (5) and (6) or below the respective channel edge shall be controlling. shall be attenuated no less than 60 dB. (b) Aural transmitter. (1) Pre-emphasis below the visual transmitted power. shall be employed as closely as prac- (The 60 dB. value for television trans- ticable in accordance with the imped- mitters specified in this rule should be ance-frequency characteristic of a se- considered as a temporary requirement ries inductance-resistance network which may be increased at a later date,

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especially when more higher-powered that action is no longer subject to equipment is utilized. Stations should, Commission review. Further, if the therefore, give consideration to the in- land mobile station is not operating stallation of equipment with greater when the TV facility commences oper- attenuation than 60 dB.) In the event of ation and it does not commence oper- interference caused to any service ation within the time permitted by its greater attenuation will be required. authorization in accordance with part (2) If a limiting or compression am- 90 of this chapter, it will not be pro- plifier is used in conjunction with the tected. aural transmitter, due operating pre- (ii) A TV permittee must take steps cautions should be maintained because before construction to identify poten- of pre-emphasis in the transmitting tial interference to normal land mobile system. operation that could be caused by TV (3) TV broadcast stations operating emissions outside the authorized chan- on Channel 14 and Channel 69 must nel, land mobile receiver desensitiza- take special precautions to avoid inter- tion or intermodulation. It must in- ference to adjacent spectrum land mo- stall filters and take other precautions bile radio service facilities. Where a TV as necessary, and submit evidence that station is authorized and operating no interference is being caused before prior to the authorization and oper- it will be permitted to transmit pro- ation of the land mobile facility, a gramming on the new facilities pursu- Channel 14 station must attenuate its ant to the provisions of § 73.1615 or emissions within the frequency range § 73.1620 of this part. A TV permittee 467 to 470 MHz and a Channel 69 station must reduce its emissions within the must attentuate its emissions within land mobile channel of a protected land the frequency range 806 to 809 MHz if mobile facility that is receiving inter- necessary to permit reasonable use of ference caused by the TV emission pro- the adjacent frequencies by land mo- ducing a vertically polarized signal and bile licensees. a field strength in excess of 17 dBu at (4) The requirements listed below the land mobile receiver site on the apply to permittees authorized to con- land mobile frequency. The TV emis- struct a new station on TV Channel 14 sion should be measured with equip- or TV Channel 69, and to licensees au- ment set to a 30 kHz measurement thorized to change the channel of an bandwidth including the entire applica- existing station to Channel 14 or to ble land mobile channel. A TV permit- Channel 69, to increase effective radi- tee must correct a desensitization ated power (ERP) (including any problem if its occurrence can be di- change in directional antenna charac- rectly linked to the start of the TV op- teristics that results in an increase in eration and the land mobile station is using facilities with typical desen- ERP in any direction), or to change the sitization rejection characteristics. A transmitting location of an existing TV permittee must identify the source station. of an intermodulation product that is (i) For the purposes of this para- generated when the TV operation com- graph, a protected land mobile facility mences. If the intermodulation source is a receiver that is intended to receive is under its control, the TV permittee transmissions from licensed land mo- must correct the problem. If the inter- bile stations within the frequency band modulation source is beyond the TV below 470 MHz (as relates to Channel permittee’s control, it must cooperate 14) or above 806 MHz (as relates to in the resolution of the problem and Channel 69), and is associated with one should provide whatever technical as- or more land mobile stations for which sistance it can. a license has been issued by the Com- mission, or a proper application has (Secs. 4, 5, 303, 48 Stat., as amended, 1066, been received by the Commission prior 1068, 1082 (47 U.S.C. 154, 155, 303)) to the date of the filing of the TV con- [28 FR 13660, Dec. 14, 1963] struction permit application. However, EDITORIAL NOTE: For FEDERAL REGISTER a land mobile facility will not be pro- citations affecting § 73.687, see the List of tected if it is proposed in an applica- CFR Sections Affected in the Finding Aids tion that is denied or dismissed and section of this volume.

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§ 73.688 Indicating instruments. may be required to complete repairs of the defective instrument. (a) Each TV broadcast station shall be equipped with indicating instru- [41 FR 36818, Sept. 1, 1976, as amended at 48 ments which conform with the speci- FR 38480, Aug. 24, 1983; 49 FR 50048, Dec. 26, fications described in § 73.1215 for meas- 1984; 50 FR 26568, June 27, 1985] uring the operating parameters of the § 73.691 Visual modulation monitoring. last radio stage of the visual transmit- (a) Each TV station must have meas- ter, and with such other instruments as uring equipment for determining that are necessary for the proper adjust- the transmitted visual signal conforms ment, operation, and maintenance of to the provisions of this subpart. The the visual transmitting system. licensee shall decide the monitoring (b) The function of each instrument and measurement methods or proce- shall be clearly and permanently dures for indicating and controlling the shown on the instrument itself or on visual signal. the panel immediately adjacent there- (b) In the event technical problems to. make it impossible to operate in ac- (c) In the event that any one of these cordance with the timing and carrier indicating instruments becomes defec- level tolerance requirements of § 73.682 tive, when no substitute which con- (a)(9)(i), (a)(9)(ii), (a)(12), (a)(13), and forms with the required specifications (a)(17), a TV broadcast station may op- is available, the station may be oper- erate at variance for a period of not ated without the defective instrument more than 30 days without specific au- pending its repair or replacement for a thority from the FCC: provided that, period not in excess of 60 days without the date and time of the initial out-of- further authority of the FCC, provided tolerance condition has been entered in that: the station log. If the operation at (1) If the defective instrument is the variance will exceed 10 consecutive days, a notification must be sent to the transmission line meter used for deter- FCC in Washington, D.C., not later mining the output power by the direct than the 10th day of such operation. In method, the operating power shall be the event normal operation is resumed determined or maintained by the indi- prior to the end of the 30 day period, rect method whenever possible or by the licensee must notify the FCC upon using the operating parameters of the restoration of normal operation. If last radio stage of the transmitter dur- causes beyond the control of the li- ing the time the station is operated censee prevent restoration of normal without the transmission line meter. operation within 30 days, a written re- (2) If conditions beyond the control of quest must be made to the FCC in the licensee prevent the restoration of Washington, D.C., no later than the the meter to service within the above 30th day for such additional time as allowed period, informal request in ac- may be necessary. cordance with § 73.3549 may be filed [60 FR 55480, Nov. 1, 1995] with the Engineer in Charge of the radio district in which the station is § 73.698 Tables. located for such additional time as TABLE I—[RESERVED]

TABLE II

(4)Ð87.7 (6)Ð95.7 (2)Ð31.4 (3)Ð31.4 kilo- kilometers (5)Ð95.7 kilometers (7)Ð119.9 kilometers meters (19.5 (54.5 kilometers (59.5 kilometers (1)ÐChannel (19.5 miles) inter- miles) ad- (59.5 miles) (74.5 miles) If modulation jacent miles) os- sound miles) pic- beat channel cillator image ture image

14 ...... 22 16±19 15 21 28 29 15 ...... 23 17±20 14, 16 22 29 30 16 ...... 24 14, 18±21 15, 17 23 30 31 17 ...... 25 14±15, 19±22 16, 18 24 31 32 18 ...... 26 14±16, 20±23 17, 19 25 32 33

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TABLE IIÐContinued

(4)Ð87.7 (6)Ð95.7 (2)Ð31.4 (3)Ð31.4 kilo- kilometers (5)Ð95.7 kilometers (7)Ð119.9 kilometers meters (19.5 (54.5 kilometers (59.5 kilometers (1)ÐChannel (19.5 miles) inter- miles) ad- (59.5 miles) (74.5 miles) If modulation jacent miles) os- sound miles) pic- beat channel cillator image ture image

19 ...... 27 14±17, 21±24 18, 20 26 33 34 20 ...... 28 15±18, 22±25 19, 21 27 34 35 21 ...... 29 16±19, 23±26 20, 22 28, 14 35 36 22 ...... 30, 14 17±20, 24±27 21, 23 29, 15 36 37 23 ...... 31, 15 18±21, 25±28 22, 24 30, 16 37 38 24 ...... 32, 16 19±22, 26±29 23, 25 31, 17 38 39 25 ...... 33, 17 20±23, 27±30 24, 26 32, 18 39 40 26 ...... 34, 18 21±24, 28±31 25, 27 33, 19 40 41 27 ...... 35, 19 22±25, 29±32 26, 28 34, 20 41 42 28 ...... 36, 20 23±26, 30±33 27, 29 35, 21 42, 14 43 29 ...... 37, 21 24±27, 31±34 28, 30 36, 22 43, 15 44, 14 30 ...... 38, 22 25±28, 32±35 29, 31 37, 23 44, 16 45, 15 31 ...... 39, 23 26±29, 33±36 30, 32 38, 24 45, 17 46, 16 32 ...... 40, 24 27±30, 34±37 31, 33 39, 25 46, 18 47, 17 33 ...... 41, 25 28±31, 35±38 32, 34 40, 26 47, 19 48, 18 34 ...... 42, 26 29±32, 36±39 33, 35 41, 27 48, 20 49, 19 35 ...... 43, 27 30±33, 37±40 34, 36 42, 28 49, 21 50, 20 36 ...... 44, 28 31±34, 38±41 35, 37 43, 29 50, 22 51, 21 37 ...... 45, 29 32±35, 39±42 36, 38 44, 30 51, 23 52, 22 38 ...... 46, 30 33±36, 40±43 37, 39 45, 31 52, 24 53, 23 39 ...... 47, 31 34±37, 41±44 38, 40 46, 32 53, 25 54, 24 40 ...... 48, 32 35±38, 42±45 39, 41 47, 33 54, 26 55, 25 41 ...... 49, 33 36±39, 43±46 40, 42 48, 34 55, 27 56, 26 42 ...... 50, 34 37±40, 44±47 41, 43 49, 35 56, 28 57, 27 43 ...... 51, 35 38±41, 45±48 42, 44 50, 36 57, 29 58, 28 44 ...... 52, 36 39±42, 46±49 43, 45 51, 37 58, 30 59, 29 45 ...... 53, 37 40±43, 47±50 44, 46 52, 38 59, 31 60, 30 46 ...... 54, 38 41±44, 48±51 45, 47 53, 39 60, 32 61, 31 47 ...... 55, 39 42±45, 49±52 46, 48 54, 40 61, 33 62, 32 48 ...... 56, 40 43±46, 50±53 47, 49 55, 41 62, 34 63, 33 49 ...... 57, 41 44±47, 51±54 48, 50 56, 42 63, 35 64, 34 50 ...... 58, 42 45±48, 52±55 49, 51 57, 43 64, 36 65, 35 51 ...... 59, 43 46±49, 53±56 50, 52 58, 44 65, 37 66, 36 52 ...... 60, 44 47±50, 54±57 51, 53 59, 45 66, 38 67, 37 53 ...... 61, 45 48±51, 55±58 52, 54 60, 46 67, 39 68, 38 54 ...... 62, 46 49±52, 56±59 53, 55 61, 47 68, 40 69, 39 55 ...... 63, 47 50±53, 57±60 54, 56 62, 48 69, 41 70, 40 56 ...... 64, 48 51±54, 58±61 55, 57 63, 49 70, 42 71, 41 57 ...... 65, 49 52±55, 59±62 56, 58 64, 50 71, 43 72, 42 58 ...... 66, 50 53±56, 60±63 57, 59 65, 51 72, 44 73, 43 59 ...... 67, 51 54±57, 61±64 58, 60 66, 52 73, 45 74, 44 60 ...... 68, 52 55±58, 62±65 59, 61 67, 53 74, 46 75, 45 61 ...... 69, 53 56±59, 63±66 60, 62 68, 54 75, 47 76, 46 62 ...... 70, 54 57±60, 64±67 61, 63 69, 55 76, 48 77, 47 63 ...... 71, 55 58±61, 65±68 62, 64 70, 56 77, 49 78, 48 64 ...... 72, 56 59±62, 66±69 63, 65 71, 57 78, 50 79, 49 65 ...... 73, 57 60±63, 67±70 64, 66 72, 58 79, 51 80, 50 66 ...... 74, 58 61±64, 68±71 65, 67 73, 59 80, 52 81, 51 67 ...... 75, 59 62±65, 69±72 66, 68 74, 60 81, 53 82, 52 68 ...... 76, 60 63±66, 70±73 67, 69 75, 61 82, 54 83, 53 69 ...... 77, 61 64±67, 71±74 68, 70 76, 62 83, 55 54

NOTE: The parenthetical reference beneath the mileage figures in columns 2 through 7, inclusive, indicate, in abbreviated form, the bases for the required mileage separations. For a discussion of these bases, see the ``Sixth Report and Order'' of the Com- mission (FCC 52±294; 17 FR 3905, May 2, 1952). The hyphenated numbers listed in column (3) are both inclusive. [28 FR 13660, Dec. 14, 1963, as amended at 39 FR 20377, June 10, 1974; 47 FR 35990, Aug. 18, 1982; 50 FR 23701, June 5, 1985; 54 FR 9807, Mar. 8, 1989]

§ 73.699 TV engineering charts. NOTE: The charts as reproduced herein, due to their small scale, are not to be used in This section consists of the following connection with material submitted to the Figures 1–5, 5a, 6–10, 10a–10e, 11–12, 13–16. F.C.C.

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Figures 13 through 15 [Reserved]

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[28 FR 13660, Dec. 14, 1963, as amended at 36 FR 17429, Aug. 31, 1971; 39 FR 40957, Nov. 22, 1974; 40 FR 27684, July 1, 1975; 41 FR 56326, Dec. 28, 1976; 44 FR 36040, June 20, 1979; 47 FR 3790, Jan. 27, 1982; 47 FR 35990, Aug. 18, 1982; 50 FR 13972, Apr. 9, 1985; 50 FR 23701, June 5, 1985; 50 FR 32205, Aug. 9, 1985; 52 FR 11656, Apr. 10, 1987; 54 FR 9807, Mar. 8, 1989; 58 FR 29983, May 25, 1993]

EFFECTIVE DATE NOTE: At 42 FR 25736, May 19, 1977, the effective date of § 73.699 Figure 10e was stayed indefinitely.

Subpart F—International (b) Transmitter-hour. One frequency Broadcast Stations used on one transmitter for one hour. (c) Frequency-hour. One frequency § 73.701 Definitions. used for one hour regardless of the number of transmitters over which it is The following definitions apply to simultaneously broadcast by a station terminology employed in this subpart: during that hour. (a) International broadcasting stations. (d) Multiple operation. Broadcasting A broadcasting station employing fre- by a station on one frequency over two quencies allocated to the broadcasting or more transmitters simultaneously. service between 5,950 and 26,100 kHz, If a station uses the same frequency si- the transmissions of which are in- multaneously on each of two (three, tended to be received directly by the etc.) transmitters for an hour, it uses general public in foreign countries. (A one frequency-hour and two (three, station may be authorized more than etc.) transmitter-hours. one transmitter.) There are both gov- (e) Day. Any twenty-four hour period ernment and non-government inter- beginning 0100 g.m.t. and ending 0100 national broadcasting stations; only g.m.t. the latter are licensed by the Commis- (f) Sunspot number. The 12–month sion and are subject to the rules of this running average of the number of sun- subpart. spots for any month as indicated in the

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U.S. Department of Commerce Tele- reception of particular programs is spe- communications Research and Engi- cifically intended and in which broad- neering Report No. 13—available from cast coverage is contemplated. the Superintendent of Documents, (p) Area of reception. Any geographic Washington, DC 20402. The sunspot area smaller than a zone of reception number varies in an approximate 11– in which the reception of particular year cycle. programs is specifically intended and (g) March season. That portion of any in which broadcast coverage is con- year commencing 0100 g.m.t. on the templated, such areas being indicated first Sunday in March and ending at by countries or parts of countries. 0100 g.m.t. on the first Sunday in May. (q) Delivered median field strength, or (h) May season. That portion of any field strength. The field strength inci- year commencing at 0100 G.M.T. on the dent upon the zone or area of reception first Sunday in May and ending at 0100 expressed in microvolts per meter, or g.m.t. on the first Sunday in Septem- decibels above one microvolt per ber. meter, which is exceeded by the hourly (i) September season. That portion of median value for 50 percent of the days any year commencing at 0100 g.m.t. on of the reference month. the first Sunday in September and end- (r) Carrier power. The average power ing at 0100 g.m.t. on the first Sunday in supplied to the antenna transmission November. line by a transmitter during one radio (j) November season. That portion of frequency cycle under conditions of no any year commencing at 0100 g.m.t. on modulation. the first Sunday in November and end- [38 FR 18892, July 16, 1973] ing at 0100 g.m.t. on the first Sunday in March. § 73.702 Assignment and use of fre- (k) Seasonal schedule. An assignment, quencies. for a season, of a frequency or fre- (a) Frequencies will be assigned by quencies, and other technical param- the Commission prior to the start of eters, to be used by a station for trans- each season to authorized inter- mission to particular zones or areas of national broadcasting stations for use reception during specified hours. during the season at specified hours (l) Reference month. That month of a and for transmission to specified zones season which is used for determining or areas of reception, with specified predicted propagation characteristics power and antenna bearing. Six months for the season. The reference month is prior to the start of each season, li- January, April, July, or October, as re- censees and permittees shall by infor- lated to the season in which it occurs. mal written request, submitted to the (m) Maximum usable frequency (MUF). Commission in triplicate, indicate for The highest frequency which is re- the season the frequency or frequencies turned by ionospheric radio propaga- desired for transmission to each zone tion to the surface of the earth for a or area of reception specified in the li- particular path and time of day for 50 cense or permit, the specific hours dur- percent of the days of the reference ing which it desires to transmit to such month. zones or areas on each frequency, and (n) Optimum working frequency (FOT). the power, antenna gain, and antenna The highest frequency which is re- bearing it desires to use. Requests will turned by ionospheric radio propaga- be honored to the extent that inter- tion to the surface of the earth for a ference and propagation conditions particular path and time of day for 90 permit and that they are otherwise in percent of the days of the reference accordance with the provisions of this month. section. NOTE: The international abbreviation for (b) After necessary processing of the optimum working frequency, FOT, is formed requests required by paragraph (a) of with the initial letters of the French words this section, the Commission will no- for ‘‘optimum working frequency’’ which are tify each licensee and permittee of the ‘‘frequence optimum de travail.’’ frequencies, hours of use thereof to (o) Zone of reception. Any geographic specified zones or areas of reception, zone indicated in § 73.703 in which the power, and antenna bearing which it

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intends to authorize for the season in under program test authority, and to question. After receipt of such notifica- permittees who anticipate applying for tion, the licensee or permittee shall, in and receiving program test authority writing, not later than two months be- for operation during the specified sea- fore the start of the season in question, son. inform the Commission either that it NOTE: Permittees who during the process plans to operate in accordance with the of construction wish to engage in equipment authorization which the Commission tests shall by informal written request, sub- intends to issue, or that it plans to op- mitted to the Commission in triplicate not erate in another manner. If the li- less than 30 days before they desire to begin such testing, indicate the frequencies they censee or permittee indicates that it desire to use for testing and the hours they plans to operate in another manner, it desire to use those frequencies. No equip- shall furnish explanatory details. ment testing shall occur until the Commis- (c) If after submitting the request re- sion has authorized frequencies and hours for quired under the provisions of para- such testing. Such authorizations shall be graph (a) of this section, but before re- only for one season, and if it is desired to ceipt of the Commission’s notification continue equipment testing in a following referred to in paragraph (b) of this sec- season, new requests for frequencies and hours must be submitted at least 30 days be- tion, the licensee or permittee submits fore it is desired to begin testing in the fol- a request for changes of its original re- lowing season. quest, such requests will be accepted for consideration only if accompanied (e) Within 14 days after the end of by statements showing good cause each season, a report shall be filed with therefor and will be honored only if the Commission by each licensee or conditions permit. If the information permittee operating under program required to be submitted by the li- test authority who has been issued a censee or permittee under the provi- seasonal schedule for that season. The sions of paragraph (b) of this section report shall state whether the licensee indicates that operation in another or permittee has operated the number manner is contemplated, and the ex- of frequency-hours authorized by the planatory details contain a request for seasonal schedule to each of the zones change in the originally proposed man- or areas of reception specified in the ner of operation, such requests will be schedule. If such operation has not oc- accepted for consideration only if ac- curred, a detailed explanation of that companied by statements showing good fact shall also be submitted which in- cause therefor and will be honored only cludes specific dates, frequency-hours if conditions permit. If after the li- not used, and reasons for the failure to censee or permittee submits the infor- operate as authorized. The report shall mation required under the provisions also contain information that has been of paragraph (b) of this section, but be- received by the licensee or permittee fore the start of the season in question, as to reception or interference, and the licensee or permittee submits a re- conclusions with regard to propagation quest for changes in its manner of op- characteristics of frequencies that were eration for the season in question, the assigned for the season in question. request will be accepted for consider- (f) Frequencies assigned by the FCC ation only if accompanied by state- shall be within the following bands ments showing good cause therefor and which are allocated exclusively to the will be honored only if conditions per- international broadcast service; mit. If after the start of a season the li- (1) 5,950–6,200 kHz; 9,500–9,775 kHz; censee or permittee submits a request 11,700–11,975 kHz; 15,100–15,450 kHz; for changes in the manner of operation 17,700–17,900 kHz; 21,450–21,750 kHz; as authorized, the request will be con- 25,600–26,100 kHz. sidered only if accompanied by state- (2) In addition, the following band is ments showing good cause therefor, allocated exclusively to the inter- and will be honored only if conditions national broadcast service in Region 3: permit. 7,100–7,300 kHz. Assignments in this (d) The provisions of paragraphs (a), frequency band will be limited to inter- (b), and (c) of the section shall apply to national broadcast stations located in licensees, to permittees operating the area designated as Region 3 by No.

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395 of the International Radio Regula- NOTE 2: It is preferable that calculated tions and authorized only to transmit field strengths delivered to zones or areas of to zones and areas of reception situated reception be equal to or greater than those outside Region 2 as defined in No. 394 of required by I.F.R.B. Technical Standards, Series A (and supplements thereto), in order the International Radio Regulations. for the I.F.R.B. to afford the notified assign- In addition, during the hours of 0800– ment protection from interference. Never- 1600 UTC (Coordinated Universal Time) theless, calculated field strengths less than antenna gain with reference to an iso- those required by the I.F.R.B. standards for tropic radiator in any easterly direc- protection will be acceptable to the Commis- tion that would intersect any area in sion. However, licensees should note that if Region 2 shall not exceed 2.15 dBi, ex- such lesser field strengths are submitted no cept in the case where a transmitter protection from interference will be provided by the I.F.R.B. if their technical examina- power of less than 100 kW is used. In tion of such notifications show incompati- this case, antenna gain on restricted bilities with other notified assignments fully azimuths shall not exceed that which is complying with I.F.R.B. technical standards. determined in accordance with equa- NOTE 3: Licensees are permitted to engage tion below. Stations desiring to oper- in multiple operation as defined in § 73.701(d). ate in this band must submit sufficient NOTE 4: Seasonal requests for frequency- antenna performance information to hours will be only for transmissions to zones ensure compliance with these restric- or areas of reception specified in the basic tions. Permitted Gain for Transmitter instrument of authorization. Changes in such zones or areas will be made only on sep- powers less than 100 kW: arate application for modification of such in- struments. 100 Gi =2. 15 + 10 log dBi (h) Not more than one frequency will  Pa  be assigned for use at any one time for any one program transmission except Where: in instances where a program is in- Gi=maximum gain permitted with reference tended for reception in more than one to an isotropic radiator. zone or area of reception and the in- Pa=Transmitter power employed in kW. tended zones or areas cannot be served (3) The carrier frequencies assignable by a single frequency: Provided, how- shall begin 5 kHz above the frequency ever, That on a showing of good cause a specified above for the beginning of licensee may be authorized to operate each band and shall be in sucessive on more than one frequency at any one steps of 5 kHz to and including 5 kHz time to transmit any one program to a below the frequency specified as the single zone or area of reception. end of each band. (i) Any frequency assigned to a li- (g) Frequencies requested for assign- censee or permittee shall also be avail- ment must be as near as practicable to able for assignment to other licensees the optimum working frequency (un- or permittees. less otherwise justified) for the zone or (j) All assignments of frequencies and area of reception for the period and the hours during which they will be path of transmission, and should be used will be made with the express un- chosen so that a given frequency will derstanding that they are subject to provide the largest period of reliable immediate cancellation or change transmission to the selected zone or without hearing whenever the Commis- area of reception. Moreover, at the sion determines that interference or zone or area of reception frequencies propagation conditions so require and shall provide protection to the trans- that each frequency-hour assignment missions of other broadcasting stations for a given seasonal schedule is unique which, in the opinion of the Commis- unto itself and not necessarily avail- sion, have priority of assignment. able for use during a subsequent sea- son. NOTE 1: Requests for frequency-hours shall (k) The total maximum number of be accompanied by all pertinent technical data with reference to the frequencies and frequency-hours which will be author- hours of operation, including calculated field ized to all licensees of international strengths delivered to the zones or areas of broadcasting stations during any one reception. day for any season is 100. The number

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of frequency-hours allocated to any li- sured licensees. Frequency-hours will only be censee will depend on past usage, avail- assigned to the extent that they are avail- ability, and need. If for a forthcoming able. It is the responsibility of each licensee season the total of the requests for to make all technical studies to show that frequency-hours requested by it are available daily frequency-hours of all licensees and suitable for use as proposed. exceeds 100, all licensees will be noti- fied and each licensee that makes an [38 FR 18892, July 16, 1973, as amended at 51 adequate showing that good cause ex- FR 9965, Mar. 24, 1986] ists for not having its requested num- ber of frequency-hours reduced and § 73.703 Geographical zones and areas that operation of its station without of reception. such reduction would be consistent The zones or areas of reception to be with the public interest may be author- served by international broadcasting ized the frequency-hours requested. stations shall be based on the following NOTE: The provisions of this paragraph are map, and directive antennas shall be not to be construed to mean that a total of employed to direct transmissions 100 (or more) frequency-hours per day is as- thereto:

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[38 FR 18893, July 16, 1973]

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§ 73.712 Equipment tests. terms and conditions of the construc- (a) During the process of construc- tion permit must be filed with the li- tion of an international broadcasting cense application. station, the permittee, having obtained (b) Program tests shall not com- authorization for frequencies and hours mence until specific Commission au- as set forth in the Note to § 73.702(d) thority is received. The Commission may, without further authority of the reserves the right to change the date of FCC, conduct equipment tests for the the beginning of such tests or to sus- purpose of such adjustments and meas- pend or revoke the authority for pro- urements as may be necessary to as- gram tests as and when such action sure compliance with the terms of the may appear to be in the public interest, construction permit, the technical pro- convenience, and necessity. visions of the application therefor and (c) Unless sooner suspended or re- the rules and regulations. Such tests voked, program test authority contin- shall use voice identification and test ues valid during Commission consider- tones only. No programming shall be ation of the application for license and conducted during equipment tests. during this period further extension of (b) The Commission may notify the the construction permit is not re- permittee to conduct no tests or may quired. Program test authority shall be cancel, suspend, or change the date for automatically terminated by final de- the beginning of equipment tests when termination upon the application for and if such action may appear to be in station license. the public interest, convenience, and (d) All operation under program test necessity. authority shall be in strict compliance (c) Equipment tests may be contin- with the rules governing international ued so long as the construction permit broadcasting stations and in strict ac- shall remain valid: Provided, however, cordance with representations made in That the procedure set forth in para- the application for license pursuant to graph (a) of this section must be re- which the tests were authorized. peated prior to the conducting of such (e) The granting of program test au- tests in each season after the season in thority shall not be construed as ap- which the testing began. proval by the Commission of the appli- (d) The authorization for tests em- cation for station license. bodied in this section shall not be con- strued as constituting a license to op- [38 FR 18894, July 16, 1973, as amended at 47 erate but as a necessary part of con- FR 40174, Sept. 13, 1982] struction. § 73.731 Licensing requirements. [28 FR 13696, Dec. 14, 1963, as amended at 37 (a) A license for an international FR 25842, Dec. 5, 1972. Redesignated and amended at 38 FR 18894, July 16, 1973; 47 FR broadcasting station will be issued 40174, Sept. 13, 1982] only after a satisfactory showing has been made in regard to the following, § 73.713 Program tests. among others: (a) Upon completion of construction (1) That there is a need for the inter- of an international broadcasting sta- national broadcasting service proposed tion in accordance with the terms of to be rendered. the construction permit, the technical (2) That the necessary program provisions of the application therefor, sources are available to the applicant and the rules and regulations and the to render the international service pro- applicable engineering standards, and posed. when an application for station license (3) That the production of the pro- has been filed showing the station to be gram service and the technical oper- in satisfactory operating condition, the ation of the proposed station will be permittee may request authority to conducted by qualified persons. conduct program tests. Such request (4) That the applicant is legally, shall be filed with the FCC at least 10 technically and financially qualified days prior to the date on which it is de- and possesses adequate technical facili- sired to begin such operation. All data ties to carry forward the service pro- necessary to show compliance with the posed.

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(5) That the public interest, conven- Radiation in all other directions shall ience and necessity will be served be suppressed to the maximum extent through the operation of the proposed technically feasible. In order to elimi- station. nate or mitigate harmful interference, [38 FR 18895, July 16, 1973] the direction of the maximum lobe may be adjusted upon approval of the § 73.732 Authorizations. Commission. Authorizations issued to inter- (Secs. 4, 5, 303, 48 Stat., as amended, 1066, national broadcasting stations by the 1068, 1082 (47 U.S.C. 154, 155, 303)) Commission will be authorizations to [38 FR 18895, July 16, 1973, as amended at 44 permit the construction or use of a par- FR 65765, Nov. 15, 1979] ticular transmitting equipment com- bination and related antenna systems § 73.754 Frequency monitors. for international broadcasting, and to permit broadcasting to zones or areas (a) The licensee of each international of reception specified on the instru- broadcast station shall operate a fre- ment of authorization. The authoriza- quency monitor at the transmitter tions will not specify the frequencies to independent of the frequency control of be used or the hours of use. Requests the transmitter. for frequencies and hours of use will be (b) The frequency monitor shall be made as provided in § 73.702. Seasonal designed and constructed in accordance schedules, when issued pursuant to the with good engineering practice. It shall provisions of § 73.702, will become at- have an accuracy sufficient to deter- tachments to and part of the instru- mine that the operating frequency is ment of authorization, replacing any within one-half of the allowed toler- such prior attachments. ance. [38 FR 18895, July 16, 1973] [37 FR 25842, Dec. 5, 1972]

§ 73.733 Normal license period. § 73.755 Modulation monitors. All international broadcast station The licensee of each international licenses will be issued so as to expire at broadcast station shall have a modula- the hour of 3 a.m. local time and will tion monitor in operation at the trans- be issued for a normal period of 8 years mitter. expiring November 1. [37 FR 25842, Dec. 5, 1972] [62 FR 5347, Feb. 5, 1997] § 73.756 Transmission system require- § 73.751 Operating power . ments. No international broadcasting sta- (a) Design. The construction, installa- tion will be authorized to install, or be tion, operation, and performance of the licensed for operation of, transmitter international broadcasting transmitter equipment with a rated carrier power system shall be in accordance with of less than 50 kilowatts. good engineering practice. (Secs. 4, 5, 303, 48 Stat., as amended, 1066, (b) Spurious emission. (1) Any emission 1068, 1082 (47 U.S.C. 154, 155, 303)) appearing on a frequency removed from [38 FR 18895, July 16, 1973, as amended at 44 the carrier frequency by between 6.4 FR 65765, Nov. 15, 1979] kHz and 10 kHz, inclusive, shall be at- tenuated at least 25 dB below the level § 73.753 Antenna systems. of the unmodulated carrier. Compli- All international broadcasting sta- ance with the specification will be tions shall operate with directional an- deemed to show the occupied band- tennas. Such antennas shall be de- width to be 10 kHz or less. signed and operated so that the radi- (2) Any emission appearing on a fre- ated power in the maximum lobe to- quency removed from the carrier fre- ward the specific zone or area of recep- quency by more than 10 kHz and up to tion intended to be served shall be at and including 25 kHz shall be attenu- least 10 times the average power from ated at least 35 dB below the level of the antenna in the horizontal plane. the unmodulated carrier.

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(3) Any emission appearing on a fre- justed to the proper frequency except quency removed from the carrier fre- that in the case of operation in accord- quency by more than 25 kHz shall be ance with paragraph (c) of this section attenuated at least 80 dB below the during any week, the test in that week level of the unmodulated carrier. may be omitted provided the operation (4) In the event spurious emissions under paragraph (c) of this section is cause harmful interference to other satisfactory. A record shall be kept of stations or services, such additional the time and result of each test. Such steps as may be necessary to eliminate records shall be retained for a period of the interference must be taken imme- two years. diately by the licensee. (e) The auxiliary transmitters shall (c) Frequency control. The transmitter be equipped with satisfactory control shall be equipped with automatic fre- equipment which will enable the main- quency control apparatus so designed tenance of the frequency emitted by and constructed that it is capable of the station within the limits prescribed maintaining the operating frequency by the regulations in this part. within 0.0015 percent of the assigned (f) The operating power of an auxil- frequency. iary transmitter may be less but not (Secs. 4, 5, 303, 48 Stat., as amended, 1066, greater than the authorized power of 1068, 1082 (47 U.S.C. 154, 155, 303)) the main transmitters. [38 FR 18895, July 16, 1973, as amended at 44 [28 FR 13696, Dec. 14, 1963, as amended at 37 FR 65765, Nov. 15, 1979] FR 25843, Dec. 5, 1972; 60 FR 55480, Nov. 1, 1995] § 73.757 Auxiliary transmitters. Upon showing that a need exists for § 73.758 Alternate main transmitters. the use of auxiliary transmitters, a li- The licensee of an international cense may be issued provided that: broadcast station may be licensed for (a) Auxiliary transmitters may be in- alternate main transmitters provided stalled either at the same location as that a technical need for such alter- the main transmitters or at another lo- nate transmitters is shown and that cation. the following conditions are met: Both (b) [Reserved] transmitters: (c) The auxiliary transmitters shall (a) Are located at the same place; be maintained so that they may be put (b) Shall have the same power rating; into immediate operation at any time and for the following purposes: (c) Shall meet the construction, in- (1) The transmission of the regular stallation, operation, and performance programs upon the failure of the main requirements of good engineering prac- transmitters. tice. (2) The transmission of regular pro- grams during maintenance or modifica- [37 FR 25843, Dec. 5, 1972] tion work on the main transmitter, ne- cessitating discontinuance of its oper- § 73.759 Modification of transmission ation for a period not to exceed 5 days. systems. (This includes the equipment changes Specific authority, upon filing formal which may be made without authority application (FCC Form 309) therefor, is as set forth elsewhere in the rules and required for any of the following regulations or as authorized by the changes: Commission by letter or by construc- (a) Change involving an increase or tion permit. Where such operation is decrease in the power rating of the required for periods in excess of 5 days, transmitters. request therefor shall be in accordance (b) A replacement of the transmitters with § 73.3542 of this chapter.) as a whole. (3) Upon request by a duly authorized (c) Change in the location of the representative of the Commission. transmitting antenna. (d) The auxiliary transmitters shall (d) Change in location of main studio, be tested at least once each week to de- if it is proposed to move the main stu- termine that they are in proper operat- dio to a different city from that speci- ing condition and that they are ad- fied in the license.

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(e) Change in the power delivered to § 73.765 Determining operating power. the antenna. The operating power specified in (f) Change in frequency control and/ or modulation system. § 73.751 shall be determined by use of a (g) Change in direction or gain of an- calibrated dummy load or by any other tenna system. method specified by the licensee and accepted by the Commission. Such Other changes, not specified above in method may subsequently be used by this section, may be made at any time without the authority of the Commis- the licensee to maintain the authorized sion: Provided, That the Commission operating power. shall be immediately notified thereof (Secs. 4, 5, 303, 48 Stat., as amended, 1066, and such changes shall be shown in the 1068, 1082 (47 U.S.C. 154, 155, 303)) next application for renewal of license. [38 FR 18895, July 16, 1973, as amended at 44 (Secs. 4, 5, 303, 48 Stat., as amended, 1066, FR 65765, Nov. 15, 1979] 1068, 1082 (47 U.S.C. 154, 155, 303)) [38 FR 18895, July 16, 1973, as amended at 44 § 73.766 Modulation and bandwidth. FR 65765, Nov. 15, 1979] The percentage of modulation shall be maintained as high as possible con- § 73.761 Time of operation. sistent with good quality of trans- (a) All international broadcasting mission and good broadcast practice. In stations shall operate in accordance no case shall it exceed 100 percent on with the times indicated on their sea- positive or negative peaks of frequent sonal schedules. recurrence. It should not be less than (b) In the event that causes beyond a 85 percent on peaks of frequent recur- licensee’s control make it impossible rence. The range of modulation fre- to adhere to the seasonal schedule or to continue operating, the station may quencies shall be so controlled that the limit or discontinue operation for a pe- authorized bandwidth of the emission riod of not more than 10 days, without shall not be exceeded under all condi- further authority from the FCC. How- tions of modulation. The highest modu- ever, in such cases, the FCC shall be lating frequency shall not exceed 5 immediately notified in writing of such kHz. limitation or discontinuance of oper- [38 FR 18896, July 16, 1973] ation and shall subsequently be noti- fied when the station resumes regular § 73.781 Logs. operation. (c) In the event that causes beyond a The licensee or permittee of each licensee’s control make it impossible international broadcast station must to adhere to the seasonal schedule or maintain the station log in the follow- to continue operating for a temporary ing manner: period of more than 10 days, the sta- (a) In the program log: tion may not limit or discontinue oper- (1) An entry of the time each station ation until it requests and receives spe- identification announcement (call let- cific authority to do so from the FCC. ters and location) is made. When the station subsequently resumes (2) An entry briefly describing each regular operation after such limited program broadcast, such as ‘‘music’’, operation or discontinuance of oper- ‘‘drama’’, ‘‘speech’’, etc., together with ation, it shall notify the FCC in Wash- the name or title thereof, language, ington, DC. The license of a broadcast- and the sponsor’s name, with the time ing station that fails to transmit of the beginning and ending of the com- broadcast signals for any consecutive plete program. 12-month period expires as a matter of (3) For each program of network ori- law at the end of that period, notwith- gin, an entry showing the name of the standing any provision, term, or condi- network originating the program. tion of the license to the contrary. [38 FR 18895, July 16, 1973, as amended at 47 [28 FR 13696, Dec. 14, 1963, as amended at 37 FR 40174, Sept. 13, 1982; 61 FR 28767, June 6, FR 25843, Dec. 5, 1972; 48 FR 38480, Aug. 24, 1996] 1983]

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§ 73.782 Retention of logs. (1) Commercial program continuities Logs of international broadcast sta- give no more than the name of the tions shall be retained by the licensee sponsor of the program and the name or permittee for a period of two years: and general character of the commod- Provided, however, That logs involving ity, utility or service, or attraction ad- communications incident to a disaster vertised. or which include communications inci- (2) In case of advertising a commod- dent to or involved in an investigation ity, the commodity is regularly sold or by the Commission and concerning is being promoted for sale on the open which the licensee or permittee has market in the foreign country or coun- been notified, shall be retained by the tries to which the program is directed licensee or permittee until he is spe- in accordance with paragraph (c) of cifically authorized in writing by the this section. Commission to destroy them: Provided, (3) In case of advertising an Amer- further, That logs incident to or in- ican utility or service to prospective volved in any claim or complaint of tourists or visitors to the United which the licensee or permittee has no- States, the advertisement continuity is tice shall be retained by the licensee or particularly directed to such persons in permittee until such claim or com- the foreign country or countries where plaint has been fully satisfied or until they reside and to which the program the same has been barred by statute is directed in accordance with para- limiting the time for the filing of suits graph (c) of this section. upon such claims. (4) In case of advertising an inter- [28 FR 13696, Dec. 14, 1963] national attraction (such as a world fair, resort, spa, etc.) to prospective § 73.787 Station identification. tourists or visitors to the United (a) A licensee of an international States, the oral continuity concerning broadcast station shall make station such attraction is consistent with the identification announcement (call let- purpose and intent of this section. ters and location), at the beginning and (5) In case of any other type of adver- ending of each time of operation and tising, such advertising is directed to during the operation on the hour. the foreign country or countries to (b) Station identification, program which the program is directed and is announcements, and oral continuity consistent with the purpose and intent shall be made with international sig- of this section. nificance (language particularly) which (c) The geographic areas to be served is designed for the foreign country or by international broadcasting stations countries for which the service is pri- are the zones and areas of reception marily intended. shown in § 73.703. [28 FR 13696, Dec. 14, 1963, as amended at 34 (d) An international broadcast sta- FR 19762, Dec. 17, 1969; 38 FR 18896, July 16, tion may transmit the program of a 1973] AM broadcast station or network sys- tem: Provided, That the conditions in § 73.788 Service; commercial or spon- paragraph (b) of this section as to any sored programs. commercial continuities are observed (a) A licensee of an international and when station identifications are broadcast station shall render only an made, only the call letter designation international broadcast service which of the international station is given will reflect the culture of this country and its assigned frequency: And pro- and which will promote international vided further, That in the case of chain goodwill, understanding, and coopera- broadcasting the program is not car- tion. Any program solely intended for ried simultaneously by another inter- and directed to an audience in the con- national station (except another sta- tinental United States does not meet tion owned by the same licensee oper- the requirements for this service. ated on a frequency in a different group (b) Such international broadcast to obtain continuity of signal service), service may include commercial or the signals from which are directed to sponsored programs: Provided, That: the same area. (See section 3(p) of the

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Communications Act of 1934 for the Subpart H—Rules Applicable to All definition of ‘‘chain broadcasting.’’) Broadcast Stations [28 FR 13696, Dec. 14, 1963, as amended at 37 FR 25843, Dec. 5, 1972; 38 FR 18896, July 16, § 73.1001 Scope. 1973] (a) The rules in this subpart are com- mon to all AM, FM, and TV broadcast Subpart G—Emergency Broadcast services, commercial and noncommer- System cial. (b) Rules in part 73 applying exclu- sively to a particular broadcast service AUTHORITY: Secs. 1, 4 (i) and (o), and 303 (r), are contained in the following: AM, Communications Act of 1934, as amended. subpart A; FM, subpart B; Noncommer- § 73.900 Cross references. cial Educational FM, subpart C; and TV, subpart E. The Emergency Broadcast System (c) Certain provisions of this subpart (EBS) rules have been renamed the apply to International Broadcast Sta- Emergency Alert System (EAS) and re- tions (subpart F, part 73), Low Power vised. The new EAS rules are contained TV, TV Translator and TV Booster in a new Part 11. Equipment type ac- Stations (subpart G, part 74) where the cepted for EBS use under the old Sub- rules for those services so provide. part G rules may continue to be used (d) The provisions of this part apply- at broadcast stations until January 1, ing to licensees also apply to holders of 1998, provided that it meets all applica- construction permits (permittees). ble requirements of Part 11 of this chapter. [43 FR 32781, July 28, 1978, as amended at 52 FR 31399, Aug. 20, 1987] Old section New section § 73.1010 Cross reference to rules in 73.901 ...... 11.1 other parts. 73.902 ...... 11.1 Certain rules applicable to broadcast 73.903 ...... 11.11 73.904 ...... Removed services, some of which are also appli- 73.905 ...... 11.13 cable to other services, are set forth in 73.906 ...... 11.12 the following Parts of the FCC Rules 73.907 ...... 11.13 and Regulations. 73.908 ...... 11.15 (a) Part 1, ‘‘Practice and Procedure.’’ 73.909 ...... 11.16 73.910 ...... 11.17 (1) Subpart A, ‘‘General Rules of 73.912 ...... 11.43 Practice and Procedure’’. (§§ 1.1 to 73.913 ...... 11.18 1.120). 73.914 ...... 11.19 (2) Subpart B, ‘‘Hearing Proceed- 73.915 ...... 11.19 73.916 ...... 11.19 ings’’. (§§ 1.201 to 1.364) 73.917 ...... 11.19 (3) Subpart C, ‘‘Rulemaking Proceed- 73.918 ...... 11.19 ings’’. (§§ 1.399 to 1.430). 73.919 ...... 11.20 (4) Subpart G, ‘‘Schedule of Statu- 73.920 ...... 11.21(b) tory Charges and Procedures for Pay- 73.921 ...... 11.21 73.922 ...... 11.44 ment’’. (§§ 1.1101 to 1.1117.) 73.926 ...... 11.41 (5) Subpart H, ‘‘Ex Parte Commu- 73.927 ...... 11.42 nications’’. (§§1.1200 to 1.1216). 73.931 ...... 11.14, 11.53 (6) Subpart I, ‘‘Procedures Imple- 73.932 ...... 11.35, 11.51, 11.52 menting the National Environmental 73.933 ...... 11.54 73.935 ...... 11.55 Policy Act of 1969’’. (§§ 1.1301 to 1.1319). 73.936 ...... 11.55 (7) Subpart P, ‘‘Implementation of 73.937 ...... 11.55 the Anti-Drug Abuse Act of 1988’’. 73.940 ...... 11.32 (§§ 1.2001–1.2003.) 73.941 ...... 11.33 73.942 ...... 11.34 (b) Part 2, ‘‘Frequency Allocations 73.943 ...... 11.34 and Radio Treaty Matters, General 73.961 ...... 11.61 Rules and Regulations’’, including Sub- 73.962 ...... 11.62 parts A, ‘‘Terminology’’; B, ‘‘Alloca- tion, Assignments and Use of Radio [59 FR 67102, Dec. 28, 1994, as amended at 60 Frequencies’’; C, ‘‘Emissions’’; D, ‘‘Call FR 56000, Nov. 6, 1995] Signs and Other Forms of Identifying

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Radio Transmissions’’; and J, ‘‘Equip- NOTE: Section 73.1015 is limited in applica- ment Authorization Procedures’’. tion to written matter. It implies no change (c) [Reserved] in the Commissions existing policies respect- ing the obligation of applicants, permittees (d) Part 17, ‘‘Construction, Marking and licensees in all instances to respond and Lighting of Antenna Structures’’. truthfully to requests for information (e) Part 74, ‘‘Experimental, Auxiliary deemed necessary to the proper execution of and Special Broadcast and Other Pro- the Commission’s functions. gram Distributional Services’’ includ- ing: [51 FR 3069, Jan. 23, 1986, as amended at 55 FR 28914, July 16, 1990] (1) Subpart A, ‘‘Experimental Broad- cast Stations’’; § 73.1020 Station license period. (2) Subpart D, ‘‘Remote Pickup (a) Initial licenses for broadcast sta- Broadcast Stations’’; tions will ordinarily be issued for a pe- (3) Subpart E, ‘‘Aural Broadcast Aux- riod running until the date specified in iliary Stations’’; this section for the State or Territory (4) Subpart F, ‘‘Television Broadcast in which the station is located. If is- Auxiliary Stations’’; sued after such date, it will run to the (5) Subpart G, ‘‘Low Power TV, TV next renewal date determined in ac- Translator and TV Booster Stations’’; cordance with this section. Both radio (6) Subpart H, ‘‘Low Power Auxiliary and TV broadcasting stations will ordi- Stations’’; narily be renewed for 8 years. However, (7) Subpart I, ‘‘Instructional TV if the FCC finds that the public inter- Fixed Service’’; and est, convenience and necessity will be (8) Subpart L, ‘‘FM Broadcast Trans- served thereby, it may issue either an lator Stations and FM Broadcast initial license or a renewal thereof for Booster Stations’’. a lesser term. The time of expiration of normally issued initial and renewal li- [53 FR 2498, Jan. 28, 1988, as amended at 57 censes will be 3 a.m., local time, on the FR 48333, Oct. 23, 1992; 60 FR 55480, Nov. 1, following dates and thereafter at 8-year 1995] intervals for radio and TV broadcast § 73.1015 Truthful written statements stations located in: and responses to Commission in- (1) Maryland, District of Columbia, quiries and correspondence. Virginia and West Virginia: (i) Radio stations, October 1, 1995. The Commission or its representa- (ii) Television stations, October 1, tives may, in writing, require from any 1996. applicant, permittee, or licensee writ- (2) North Carolina and South Caro- ten statements of fact relevant to a de- lina: termination whether an application (i) Radio stations, December 1, 1995. should be granted or denied, or to a de- (ii) Television stations, December 1, termination whether a license should 1996. be revoked, or to any other matter (3) Florida, Puerto Rico and the Vir- within the jurisdiction of the Commis- gin Islands: sion, or, in the case of a proceeding to (i) Radio stations, February 1, 1996. amend the FM or Television Table of (ii) Television stations, February 1, Allotments, require from any person 1997. filing an expression of interest, written (4) Alabama and Georgia: statements of fact relevant to that al- (i) Radio stations, April 1, 1996. lotment proceeding. No applicant, per- (ii) Television stations, April 1, 1997. mittee, licensee, or person who files an (5) Arkansas, Louisiana and Mis- expression of interest shall in any re- sissippi: sponse to Commission correspondence (i) Radio stations, June 1, 1996. or inquiry or in any application, plead- (ii) Television stations, June 1, 1997. ing, report or any other written state- (6) Tennessee, Kentucky and Indiana: ment submitted to the Commission, (i) Radio stations, August 1, 1996. make any misrepresentation or willful (ii) Television stations, August 1, material omission bearing on any mat- 1997. ter within the jurisdiction of the Com- (7) Ohio and Michigan: mission. (i) Radio stations, October 1, 1996.

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(ii) Television stations, October 1, any provision, term, or condition of the 1997. license to the contrary. (8) Illinois and Wisconsin: (i) Radio stations, December 1, 1996. (Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303)) (ii) Television stations, December 1, 1997. [49 FR 4382, Feb. 6, 1984, as amended at 52 FR (9) Iowa and Missouri: 25604, July 8, 1987; 59 FR 63051, Dec. 7, 1994; 61 (i) Radio stations, February 1, 1997. FR 18291, Apr. 25, 1996; 61 FR 28767, June 6, (ii) Television stations, February 1, 1996; 62 FR 5347, Feb. 5, 1997] 1998. § 73.1030 Notifications concerning in- (10) Minnesota, North Dakota, South terference to radio astronomy, re- Dakota, Montana and Colorado: search and receiving installations. (i) Radio stations, April 1, 1997. (ii) Television stations, April 1, 1998. (a) Radio astronomy and radio research (11) Kansas, Oklahoma and Nebraska: installations. In order to minimize (i) Radio stations, June 1, 1997. harmful interference at the National (ii) Television stations, June 1, 1998. Radio Astronomy Observatory site lo- (12) Texas: cated at Green, Pocahontas County, (i) Radio stations, August 1, 1997. West Virginia, and at the Naval Radio (ii) Television stations, August 1, Research Observatory at Sugar Grove, 1998. Pendleton County, West Virginia, a li- (13) Wyoming, Nevada, Arizona, censee proposing to operate a short- Utah, New Mexico and Idaho: term broadcast auxiliary station pur- (i) Radio stations, October 1, 1997. suant to § 74.24, or an applicant for au- (ii) Television stations, October 1, thority to construct a new broadcast 1998. station or for authority to make (14) California: changes in the frequency, power, an- (i) Radio stations, December 1, 1997. tenna height, or antenna directivity of (ii) Television stations, December 1, an existing station within the area 1998. bounded by 39°15′ N on the north, 78°30′ (15) Alaska, American Samoa, Guam, W on the east, 37°30′ N on the south, Hawaii, Mariana Islands, Oregon and and 80°30′ W on the west shall, at the Washington: time of filing such application with the (i) Radio stations, February 1, 1998. FCC, simultaneously notify the follow- (ii) Television stations, February 1, ing: 1999. Interference Office, National Radio Astron- (16) Connecticut, Maine, Massachu- omy Observatory, P.O. Box 2, Green Bank, setts, New Hampshire, Rhode Island West Virginia 24944, Telephone: 304–456–2011. and Vermont: (i) Radio stations, April 1, 1998. The notification shall be in writing and (ii) Television stations, April 1, 1999. set forth the particulars of the pro- (17) New Jersey and New York: posed station, including the geographi- (i) Radio stations, June 1, 1998. cal coordinates of the antenna, an- (ii) Television stations, June 1, 1999. tenna height, antenna directivity if (18) Delaware and Pennsylvania: any, proposed frequency, type of emis- (i) Radio stations, August 1, 1998. sion and power. In addition, the appli- (ii) Television stations, August 1, cant shall indicate in his application to 1999. the FCC the date notification was (b) For the cutoff date for the filing made to the observatory. After receipt of applications mutually exclusive of such applications, the FCC will with renewal applications that are filed allow a period of 20 days for comments on or before May 1, 1995 and for the or objections in response to the notifi- deadline for filing petitions to deny re- cations indicated. If an objection to the newal applications, see § 73.3516(e). proposed operation is received during (c) The license of a broadcasting sta- the 20-day period from the National tion that fails to transmit broadcast Radio Astronomy Observatory for it- signals for any consecutive 12-month self or on behalf of the Naval Radio Re- period expires as a matter of law at the search Observatory, the FCC will con- end of that period, notwithstanding sider all aspects of the problem and

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take whatever action is deemed appro- (ii) Stations within 4.8 km (3 statute priate. miles) with 50 watts or more effective (b) Radio receiving installations. Pro- radiated power (ERP) in the primary tection for Table Mountain Radio Re- plane polarization in the azimuthal di- ceiving Zone, Boulder County, Colo- rection of the Table Mountain Radio rado: Applicants for a station author- Receiving Zone; ization to operate in the vicinity of (iii) Stations within 16 km (10 statute Boulder County, Colorado under this miles) with 1 kW or more ERP in the Part are advised to give due consider- primary plane of polarization in the az- ation, prior to filing applications, to imuthal direction of Table Mountain the need to protect the Table Mountain Receiving Zone; Radio Receiving Zone from harmful in- (iv) Stations within 80 km (50 statute terference. These are the research lab- miles) with 25 kW or more ERP in the oratories of the Department of Com- primary plane polarization in the azi- merce, Boulder County, Colorado. To muthal direction of Table Mountain prevent degradation of the present am- Receiving Zone. bient radio signal level at the site, the (2) Applicants concerned are urged to Department of Commerce seeks to en- communicate with the Radio Fre- sure that the field strengths of any ra- quency Management Coordinator, De- diated signals (excluding reflected sig- partment of Commerce, Research Sup- nals) received on this 1800 acre site port Services, NOAA R/E5X2, Boulder (within the area bounded by 40°09′10′′ N Laboratories, Boulder, CO 80303; tele- Latitude on the north, 105°13′31′′ W phone (303) 497–6548, in advance of filing Longitude on the east, 40°07′05′′ N Lati- their applications with the Commis- tude on the south, and 105°15′13′′ W Lon- sion. gitude on the west) resulting from new (3) The Commission will not screen assignments (other than mobile sta- applications to determine whether ad- tions) or from the modification of relo- vance consultation has taken place. cation of existing facilities do not ex- However, applicants are advised that ceed the following values: such consultation can avoid objectimns from the Department of Commerce or Field Power flux proceedings to modify any authoriza- strength in density in tion which may be granted which, in Frequency range authorized authorized bandwidth bandwidth fact, delivers a signal at the site in ex- of service of service (mV/m) (dBW/m2) 1 cess of the field strength specified herein. Below 540 kHz ...... 10 ¥65.8 (c) Protection for Federal Communica- 540 to 1700 kHz ...... 20 ¥59.8 tions Commission monitoring stations. (1) 1.7 to 470 MHz ...... 10 2¥65.8 470 to 890 MHz ...... 30 2¥56.2 Applicants in the vicinity of a FCC Above 890 MHz ...... 1 2¥85.8 monitoring station for a radio station authorization to operate new transmit- 1 Equivalent values of power flux density are calculated as- suming free space characteristic impedance of 376.7=120 ting facilities or changed transmitting ohms. facilities which would increase the 2 Space stations shall conform to the power flux density limits at the earth's surface specified in appropriate parts of field strength produced over the mon- the FCC rules, but in no case should exceed the above levels itoring station in excess of that pre- in any 4 kHz band for all angles of arrival. viously authorized are advised to give (1) Advance consultation is rec- consideration, prior to filing applica- ommended particularly for those appli- tions, to the possible need to protect cants who have no reliable data which the FCC stations from harmful inter- indicates whether the field strength or ference. Geographical coordinates of power flux density figures in the above the facilities which require protection table would be exceeded by their pro- are listed in § 0.121(c) of the FCC rules. posed radio facilities (except mobile Applications for stations (except mo- stations). In such instances, the follow- bile stations) which will produce on ing is a suggested guide for determin- any frequency a direct wave fundamen- ing whether coordination is rec- tal field strength of greater than 10 mV/ ommended: m in the authorized bandwidth of serv- (i) All stations within 2.4 km (1.5 ice (¥65.8 dBW/m2 power flux density statute miles); assuming a free space characteristic

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impedance of 120 π ohms) at the ref- criteria outlined in paragraphs (b) (2) erenced coordinates, may be examined and (3) of this section. to determine extent of possible inter- (5) The Commission will not screen ference. Depending on the theoretical applications to determine whether ad- field strength value and existing root- vance consultation has taken place. sum-square or other ambient radio However, applicants are advised that field signal levels at the indicated co- such consultation can avoid objections ordinates, a clause protecting the mon- from the Federal Communications itoring station may be added to the Commission or modification of any au- station authorization. thorization which will cause harmful (2) In the event that calculated value interference. of expected field exceeds 10 mV/m [43 FR 32782, July 28, 1978, as amended at 44 (¥65.8 dBW/m2) at the reference coordi- FR 77167, Dec. 31, 1979; 47 FR 9221, Mar. 4, nates, or if there is any question 1982; 50 FR 39003, Sept. 26, 1985; 52 FR 25867, whether field strength levels might ex- July 9, 1987; 52 FR 36879, Oct. 1, 1987; 52 FR ceed the threshold value, advance con- 37789, Oct. 9, 1987; 56 FR 64872, Dec. 12, 1991; sultation with the FCC to discuss any 61 FR 8477, Mar. 5, 1996] protection necessary should be consid- ered. Prospective applicants may com- § 73.1120 Station location. municate with: Chief, Compliance and (a) Each AM, FM and TV broadcast Information Bureau, Federal Commu- station will be licensed to the principal nications Commission, Washington, DC community or other political subdivi- 20554, Telephone (202) 632–6980. sion which it primarily serves. This (3) Advance consultation is suggested principal community (city, town or particularly for those applicants who other political subdivision) will be con- have no reliable data which indicates sidered to be the geographical station whether the field strength or power location. flux density figure indicated would be [44 FR 69934, Dec. 5, 1979, as amended at 52 exceeded by their proposed radio facili- FR 21685, June 9, 1987] ties (except mobile stations). In such instances, the following is a suggested § 73.1125 Station main studio location. guide for determining whether an ap- (a) Each AM, FM and TV broadcast plicant should coordinate: station shall maintain a main studio (i) All stations within 2.4 kilometers within the station’s principal commu- (1.5 statute miles); nity contour as defined in § 73.24(i) (5 (ii) Stations within 4.8 kilometers (3 mV/m daytime contour), § 73.315(a) and statute miles) with 50 watts or more § 73.685(a), respectively, of this chapter, average effective radiated power (ERP) except in the primary plane of polarization in (1) AM stations licensed as syn- the azimuthal direction of the Monitor- chronous amplifier transmitters (‘‘AM ing Stations. boosters’’) or, (iii) Stations within 16 kilometers (10 (2) An FM station whose main studio statute miles) with 1 kW or more aver- is located at the collocated main stu- age ERP in the primary plane of polar- dio-transmitter site of a commonly- ization in the azimuthal direction of owned AM station licensed to the same the Monitoring Station; principal community or, (iv) Stations within 80 kilometers (50 (3) Any AM, FM or TV broadcast sta- statute miles) with 25 kW or more av- tion whose main studio is located in erage ERP in the primary plane of po- the community to which the station is larization in the azimuthal direction of licensed to serve at a point situated the Monitoring Station; outside the principal community con- (4) Advance coordination for stations tour or, operating above 1000 MHz is rec- (4) AM, FM or TV stations, when ommended only where the proposed good cause exists for locating the main station is in the vicinity of a monitor- studio outside the station’s principal ing station designated as a satellite community contour and that to do so monitoring facility in § 0.121(c) of the would be consistent with the operation Commission’s Rules and also meets the of the station in the public interest.

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(b) Relocation of the main studio (c) Each AM, FM and TV broadcast may be made: station shall maintain a local tele- (1) From one point to another within phone number in its community of li- the principal community contour or cense or a toll-free number. from a point outside the principal com- (d) Where the principal community munity contour to one within it, with- to be served does not have specifically out specific FCC authority, but notifi- defined political boundaries, applica- cation to the FCC in Washington shall tions will be considered on a case-by- be made promptly; however, case basis by the FCC to determine if (2) Written authority to locate a the main studio is located within the main studio outside a station’s prin- principal community to be served. cipal community contour for the first NOTE: AM stations that simulcast on a fre- time must be obtained from the Audio quency in the 535–1605 kHz band and on a fre- Services Division, Mass Media Bureau quency in the 1605–1705 kHz band need only for AM and FM stations, or the Tele- have the studio be located within the 5 mV/ vision Branch, Video Services Division, m contour of the lower band operation dur- Mass Media Bureau for television sta- ing the term of the simultaneous operating tions before the studio may be moved authority. Upon termination of the 535–1605 kHz band portion of the dual frequency oper- to that location. Where the main stu- ation, the above rule shall then become ap- dio is already authorized at a location plicable to the remaining operation in the outside the station’s principal commu- 1605–1705 kHz band. nity contour, and the licensee or per- mittee desires to specify a new loca- [52 FR 21685, June 9, 1987, as amended at 56 tion also located outside the station’s FR 64872, Dec. 12, 1991; 57 FR 48333, Oct. 23, principal community contour, written 1992; 62 FR 51059, Sept. 30, 1997] authority must also be received from EFFECTIVE DATE NOTE: At 62 FR 51059, the Commission prior to the relocation Sept. 30, 1997, § 73.1125 was amended by revis- of the main studio. Authority for these ing paragraph (b)(2), effective Dec. 1, 1997. changes may be requested by filing a For the convenience of the user, the super- seded text is set forth as follows: letter with an explanation of the pro- posed changes with the appropriate di- § 73.1125 Station main studio location. vision. Licensees or permittees should be aware that the filing of a letter re- * * * * * quest for written authority to locate the main studio outside the principal (b) * * * community contour does not imply ap- (2) From a point within the principal com- munity contour to one outside it or from one proval of the relocation request, be- such point outside the community contour cause each request is addressed on a to another, only by first securing modifica- case-by-case basis. A filing fee is re- tion of construction permit or license (FCC quired for commercial AM, FM, or TV Forms 301 for commercial stations and 340 licensees or permittees filing a letter for noncommercial educational stations.) request under this section (see § 1.1104). (3) Exceptions to paragraph (b)(2) of * * * * * this section are: (i) Relocation of the main studio of § 73.1150 Transferring a station. an FM station to the collocated main (a) In transferring a broadcast sta- studio-transmitter site of a commonly- tion, the licensee may retain no right owned AM station licensed to the same of reversion of the license, no right to principal community; and, reassignment of the license in the fu- (ii) Relocation of the main studio ture, and may not reserve the right to from one point to another within the use the facilities of the station for any principal community of license or from period whatsoever. a point outside the principal commu- (b) No license, renewal of license, as- nity to one within it. signment of license or transfer of con- (iii) Notification to the FCC in Wash- trol of a corporate licensee will be ington shall be made promptly of such granted or authorized if there is a con- relocations described in paragraphs tract, arrangement or understanding, (b)(3) (i) and (ii) of this section. express or implied, pursuant to which,

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as consideration or partial consider- for both stations for periods of such si- ation for the assignment or transfer, multaneous operations. such rights, as stated in paragraph (a) (3) Satellite operation. When program- of this section, are retained. ming of a broadcast station is rebroad- (c) Licensees and/or permittees au- cast simultaneously over the facilities thorized to operate in the 535–1605 kHz of a satellite station, the originating and in the 1605–1705 kHz band pursuant station may make identification an- to the Report and Order in MM Docket nouncements for the satellite station No. 87–267 will not be permitted to as- for periods of such simultaneous oper- sign or transfer control of the license ation. or permit for a single frequency during the period that joint operation is au- (i) In the case of a television broad- thorized. cast station, such announcements, in addition to the information required by [44 FR 58720, Oct. 11, 1979, as amended at 56 paragraph (b)(1) of this section, shall FR 64872, Dec. 12, 1991] include the number of the channel on § 73.1201 Station identification. which each station is operating. (ii) In the case of aural broadcast sta- (a) When regularly required. Broadcast tions, such announcements, in addition station identification announcements shall be made: (1) At the beginning and to the information required by para- ending of each time of operation, and graph (b)(1) of this section, shall in- (2) hourly, as close to the hour as fea- clude the frequency on which each sta- sible, at a natural break in program of- tion is operating. ferings. Television broadcast stations (d) Subscription television stations may make these announcements vis- (STV). The requirements for official ually or aurally. station identification applicable to TV (b) Content. (1) Official station identi- stations will apply to Subscription TV fication shall consist of the station’s stations except, during STV-encoded call letters immediately followed by programming such station identifica- the community or communities speci- tion is not required. However, a station fied in its license as the station’s loca- identification announcement will be tion: Provided, That the name of the li- made immediately prior to and follow- censee or the station’s frequency or ing the encoded Subscription TV pro- channel number, or both, as stated on gram period. the station’s license may be inserted between the call letters and station lo- [34 FR 19762, Dec. 17, 1969, as amended at 37 cation. No other insertion is permis- FR 23726, Nov. 8, 1972; 39 FR 6707, Feb. 22, 1974; 39 FR 9442, Mar. 11, 1974; 41 FR 29394, sible. July 16, 1976; 47 FR 3791, Jan. 27, 1982; 48 FR (2) A station may include in its offi- 51308, Nov. 8, 1983; 56 FR 64872, Dec. 12, 1991] cial station identification the name of any additional community or commu- § 73.1202 Retention of letters received nities, but the community to which the from the public. station is licensed must be named first. (c) Channel—(1) General. Except as (a) All written comments and sugges- otherwise provided in this paragraph, tions received from the public by li- in making the identification announce- censees of commercial AM, FM, and TV ment the call letters shall be given broadcast stations regarding operation only on the channel identified thereby. of their station shall be maintained in (2) Simultaneous AM (535–1605 kHz) and the local public inspection file, unless AM (1605–1705 kHz broadcasts. If the the letter writer has requested that the same licensee operates an AM broad- letter not be made public or when the cast station in the 535–1605 kHz band licensee feels that it should be ex- and an AM broadcast station in the cluded from public inspection because 1605–1705 kHz band with both stations of the nature of its content, such as a licensed to the same community and defamatory or obscene letter. simultaneously broadcasts the same (1) Letters shall be retained in the programs over the facilities of both local public inspection file for three such stations, station identification years from the date on which they are announcements may be made jointly received by the licensee.

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(2) Letters received by TV licensees nating station. A copy of the written only shall be placed in one of the fol- consent of the licensee originating the lowing separated subject categories: program must be kept by the licensee programming or non-programming. If of the station retransmitting such pro- comments in a letter relate to both gram and made available to the FCC categories, the licensee shall file it upon request. under the category to which the writer (1) Stations originating emergency has given the greater attention. communications under a State EAS [44 FR 38846, July 3, 1979, as amended at 46 plan are considered to have conferred FR 26247, May 11, 1981; 52 FR 25867, July 9, rebroadcast authority to other partici- 1987] pating stations. (2) Permission must be obtained from § 73.1206 Broadcast of telephone con- the originating station to rebroadcast versations. any subsidiary communications trans- Before recording a telephone con- mitted by means of a multiplex subcar- versation for broadcast, or broadcast- rier or telecommunications service on ing such a conversation simultaneously the vertical blanking interval or in the with its occurrence, a licensee shall in- visual signal of a television signal. form any party to the call of the li- (3) Programs originated by the Voice censee’s intention to broadcast the of America (VOA) and the Armed conversation, except where such party Forces Radio and Television Services is aware, or may be presumed to be (AFRTS) cannot, in general, be cleared aware from the circumstances of the for domestic rebroadcast, and may conversation, that it is being or likely therefore be retransmitted only by spe- will be broadcast. Such awareness is cial arrangements among the parties presumed to exist only when the other concerned. party to the call is associated with the (4) Except as otherwise provided by station (such as as employee or part- international agreement, programs time reporter), or where the other originated by foreign broadcast sta- party originates the call and it is obvi- tions may be retransmitted without ous that it is in connection with a pro- the consent of the originating station. gram in which the station customarily (c) The transmissions of non-broad- broadcasts telephone conversations. cast stations may be rebroadcast under [35 FR 7733, May 20, 1970] the following conditions: (1) Messages originated by privately- § 73.1207 Rebroadcasts. owned non-broadcast stations other (a) The term rebroadcast means recep- than those in the Amateur and Citizens tion by radio of the programs or other Band (CB) Radio Services may be transmissions of a broadcast or any broadcast only upon receipt of prior other type of radio station, and the si- permission from the non-broadcast li- multaneous or subsequent retrans- censee. Additionally, messages trans- mission of such programs or trans- mitted by common carrier stations missions by a broadcast station. may be rebroadcast only upon prior (1) As used in this section, ‘‘pro- permission of the originator of the gram’’ includes any complete programs message as well as the station licensee. or part thereof. (2) Except as provided in paragraph (2) The transmission of a program (d) of this section, messages originated from its point of origin to a broadcast entirely by non-broadcast stations station entirely by common carrier fa- owned and operated by the Federal cilities, whether by wire line or radio, Government may be rebroadcast only is not considered a rebroadcast. upon receipt of prior permission from (3) The broadcasting of a program re- the government agency originating the layed by a remote pickup broadcast messages. station is not considered a rebroadcast. (3) Messages originated by stations in (b) No broadcast station may retrans- the amateur and Citizens Band (CB) mit the program, or any part thereof, radio services may be rebroadcast at of another U.S. broadcast station with- the discretion of broadcast station li- out the express authority of the origi- censees.

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(4) Emergency communications origi- National Bureau of Standards, Radio Sta- nated under a State EAS plan. tions WWV/WWVB, 2000 East County Road (d) The rebroadcasting of time sig- 58, Ft. Collins, Colorado 80524. nals originated by the Naval Observ- (vii) In the rebroadcasting of NBS atory and the National Bureau of time signals, announcements will not Standards and messages from the Na- state that they are standard frequency tional Weather Service stations is per- transmissions. Voice announcements of mitted without specific authorization Coordinated Universal Time are given in under the following procedures: voice every minute. Each minute, ex- (1) Naval Observatory Time Signals. (i) cept the first of the hour, begins with The time signals rebroadcast must be an 0.8 second long tone of 1000 hertz at obtained by direct radio reception from WWV and 1200 hertz tone at WWVH. a naval radio station, or by land line The first minute of every hour begins circuits. with an 0.8 second long tone of 1500 (ii) Announcement of the time signal hertz at both stations. This tone is fol- must be made without reference to any lowed by a 3-second pause, than the an- commercial activity. nouncement, ‘‘National Bureau of (iii) Identification of the Naval Ob- Standards Time.’’ This is followed by servatory as the source of the time sig- another 3-second pause before station nal must be made by an announcement, identification. This arrangement al- substantially as follows: ‘‘With the sig- lows broadcast stations sufficient time nal, the time will be . . . courtesy of to retransmit the hour time tone and the U.S. Naval Observatory.’’ the words ‘‘National Bureau of Stand- (iv) Schedules of time signal broad- ards Time’’ either by manual or auto- casts may be obtained upon request matic switching. from the Superintendent, U.S. Naval (viii) Time signals or scales made up Observatory, Washington, DC 20390. from integration of standard frequency (2) National Bureau of Standards Time signals broadcast from NBS stations Signals. (i) Time signals for rebroadcast may not be designated as national must be obtained by direct radio recep- standard scales of time or attributed to tion from a National Bureau of Stand- the NBS as originator. For example, if ards (NBS) station. a broadcasting station transmits time (ii) Use of receiving and rebroadcast- signals obtained from a studio clock ing equipment must not delay the sig- which is periodically calibrated against nals by more than 0.05 second. the NBS time signals from WWV or (iii) Signals must be rebroadcast live, WWVH, such signals may not be an- not from tape or other recording. nounced as NBS standard time or as (iv) Voice or code announcements of having been originated by the NBS. the call signs of NBS stations are not (3) National Weather Service Messages. to be rebroadcast. (i) Messages of the National Weather (v) Identification of the origin of the Service must be rebroadcast within 1 service and the source of the signals hour of receipt. must be made by an announcement (ii) If advertisements are given in substantially as follows: ‘‘At the tone, connection with weather rebroadcast, 11 hours 25 minutes Coordinated Univer- these advertisements must not directly sal Time. This is a rebroadcast of a or indirectly convey an endorsement continous service furnished by the Na- by the U.S. Government of the prod- tional Bureau of Standards, Ft. Collins, ucts or services so advertised. Colo.’’ No commercial sponsorship of (iii) Credit must be given to indicate this announcement is permitted and that the rebroadcast message origi- none may be implied. nates with the National Weather Serv- (vi) Schedules of time signal broad- ice. casts may be obtained from, and notice [44 FR 36040, June 20, 1979, as amended at 45 of use of NBS time signals for rebroad- FR 26065, Apr. 17, 1980; 48 FR 28456, June 22, cast must be forwarded semiannually 1983; 50 FR 25246, June 18, 1985; 59 FR 67102, to: Dec. 28, 1994; 61 FR 36305, July 10, 1996]

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§ 73.1208 Broadcast of taped, filmed, or appropriate or objectionable for broad- recorded material. cast exposure. (a) Any taped, filmed or recorded pro- (3) No television or FM broadcast sta- gram material in which time is of spe- tion may devote more than 15 hours cial significance, or by which an af- per week to dual-language broadcast- firmative attempt is made to create ing, nor may more than three (3) hours the impression that it is occurring si- of such programming be presented on multaneously with the broadcast, shall any given day. be announced at the beginning as (4) Noncommercial educational tele- taped, filmed or recorded. The lan- vision broadcast stations shall take all guage of the announcement shall be necessary precautions to assure that clear and in terms commonly under- the entire operation is conducted on a stood by the public. For television sta- noncommercial basis and otherwise in tions, the announcement may be made accordance with § 73.621 of this part. visually or aurally. [40 FR 17259, Apr. 18, 1975, as amended at 49 (b) Taped, filmed, or recorded an- FR 33663, Aug. 24, 1984; 50 FR 40016, Oct. 1, nouncements which are of a commer- 1985] cial, promotional or public service na- ture need not be identified as taped, § 73.1211 Broadcast of lottery informa- filmed or recorded. tion. [37 FR 23726, Nov. 8, 1972] (a) No licensee of an AM, FM, or tele- vision broadcast station, except as in § 73.1209 References to time. paragraph (c) of this section, shall Unless specifically designated as broadcast any advertisement of or in- ‘‘standard (non-advanced)’’ or ‘‘ad- formation concerning any lottery, gift vanced,’’ all references to time con- enterprise, or similar scheme, offering tained in this part, and in license docu- prizes dependent in whole or in part ments and other authorizations issued upon lot or chance, or any list of the thereunder shall be understood to prizes drawn or awarded by means of mean local time; i.e., the time legally any such lottery, gift enterprise or observed in the community. scheme, whether said list contains any part or all of such prizes. (18 U.S.C. [39 FR 26736, July 23, 1974] 1304, 62 Stat. 763). (b) The determination whether a par- § 73.1210 TV/FM dual-language broad- ticular program comes within the pro- casting in Puerto Rico. visions of paragraph (a) of this section (a) For the purpose of this section, depends on the facts of each case. How- dual-language broadcasting shall be ever, the Commission will in any event understood to mean the telecasting of consider that a program comes within a program in one language with the si- the provisions of paragraph (a) of this multaneous transmission, on the main section if in connection with such pro- channel of a participating FM broad- gram a prize consisting of money or cast station, of companion sound track other thing of value is awarded to any information in a different language. person whose selection is dependent in (b) Television broadcast licensees in whole or in part upon lot or chance, if Puerto Rico may enter into dual-lan- as a condition of winning or competing guage time purchase agreements with for such prize, such winner or winners FM broadcast licensees, subject to the are required to furnish any money or following conditions: other thing of value or are required to (1) All such agreements shall be re- have in their possession any product duced to writing and retained by the li- sold, manufactured, furnished or dis- censee for possible Commission inspec- tributed by a sponsor of a program tion, in accordance with § 73.3613 of this broadcast on the station in question. chapter. (See 21 FCC 2d 846). (2) All such agreements shall specify (c) The provisions of paragraphs (a) that the FM licensee will monitor and (b) of this section shall not apply sound track material with a view to re- to an advertisement, list of prizes or jecting any material deemed to be in- other information concerning:

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(1) A lottery conducted by a State (1) That such matter is sponsored, acting under the authority of State law paid for, or furnished, either in whole which is broadcast by a radio or tele- or in part, and vision station licensed to a location in (2) By whom or on whose behalf such that State or any other State which consideration was supplied: Provided, conducts such a lottery. (18 U.S.C. however, That ‘‘service or other valu- 1307(a); 102 Stat. 3205). able consideration’’ shall not include (2) Fishing contests exempted under any service or property furnished ei- 18 U.S. Code 1305 (not conducted for ther without or at a nominal charge for profit, i.e., all receipts fully consumed use on, or in connection with, a broad- in defraying the actual costs of oper- cast unless it is so furnished in consid- ation). eration for an identification of any per- (3) Any gaming conducted by an In- son, product, service, trademark, or dian Tribe pursuant to the Indian Gam- brand name beyond an identification ing Regulatory Act (25 U.S.C. 2701 et reasonably related to the use of such seq.) service or property on the broadcast. (4) A lottery, gift enterprise or simi- (i) For the purposes of this section, lar scheme, other than one described in the term ‘‘sponsored’’ shall be deemed paragraph (c)(1) of this section, that is to have the same meaning as ‘‘paid authorized or not otherwise prohibited for.’’ by the State in which it is conducted (ii) In the case of any television po- and which is: litical advertisement concerning can- (i) Conducted by a not-for-profit or- didates for public office, the sponsor ganization or a governmental organiza- shall be identified with letters equal to tion (18 U.S.C. 1307(a); 102 Stat. 3205); or or greater than four percent of the ver- (ii) Conducted as a promotional ac- tical picture height that air for not tivity by a commercial organization less than four seconds. and is clearly occasional and ancillary (b) The licensee of each broadcast to the primary business of that organi- station shall exercise reasonable dili- zation. (18 U.S.C. 1307(a); 102 Stat. 3205). gence to obtain from its employees, (d)(1) For purposes of paragraph (c) of and from other persons with whom it this section, ‘‘lottery’’ means the pool- deals directly in connection with any ing of proceeds derived from the sale of matter for broadcast, information to tickets or chances and allotting those enable such licensee to make the an- proceeds or parts thereof by chance to nouncement required by this section. one or more chance takers or ticket (c) In any case where a report has purchasers. It does not include the been made to a broadcast station as re- placing or accepting of bets or wagers quired by section 507 of the Commu- on sporting events or contests. nications Act of 1934, as amended, of (2) For purposes of paragraph (c)(4)(i) circumstances which would have re- of this section, the term ‘‘not-for-profit quired an announcement under this organization’’ means any organization section had the consideration been re- that would qualify as tax exempt under ceived by such broadcast station, an section 501 of the Internal Revenue appropriate announcement shall be Code of 1986. made by such station. [40 FR 6210, Feb. 10, 1975, as amended at 45 (d) In the case of any political broad- FR 6401, Jan. 28, 1980; 54 FR 20856, May 15, cast matter or any broadcast matter 1989; 55 FR 18888, May 7, 1990] involving the discussion of a controver- sial issue of public importance for § 73.1212 Sponsorship identification; which any film, record, transcription, list retention; related requirements. talent, script, or other material or (a) When a broadcast station trans- service of any kind is furnished, either mits any matter for which money, directly or indirectly, to a station as service, or other valuable consider- an inducement for broadcasting such ation is either directly or indirectly matter, an announcement shall be paid or promised to, or charged or ac- made both at the beginning and conclu- cepted by such station, the station, at sion of such broadcast on which such the time of the broadcast, shall an- material or service is used that such nounce: film, record, transcription, talent,

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script, or other material or service has chapter. Such lists shall be kept and been furnished to such station in con- made available for a period of two nection with the transmission of such years. broadcast matter: Provided, however, (f) In the case of broadcast matter That in the case of any broadcast of 5 advertising commercial products or minutes’ duration or less, only one services, an announcement stating the such announcement need be made ei- sponsor’s corporate or trade name, or ther at the beginning or conclusion of the name of the sponsor’s product, the broadcast. when it is clear that the mention of the (e) The announcement required by name of the product constitutes a this section shall, in addition to stat- sponsorship identification, shall be ing the fact that the broadcast matter deemed sufficient for the purpose of was sponsored, paid for or furnished, this section and only one such an- fully and fairly disclose the true iden- nouncement need be made at any time tity of the person or persons, or cor- during the course of the broadcast. poration, committee, association or (g) The announcement otherwise re- other unincorporated group, or other quired by section 317 of the Commu- entity by whom or on whose behalf nications Act of 1934, as amended, is such payment is made or promised, or waived with respect to the broadcast of from whom or on whose behalf such ‘‘want ad’’ or classified advertisements services or other valuable consider- sponsored by an individual. The waiver ation is received, or by whom the ma- granted in this paragraph shall not ex- terial or services referred to in para- tend to a classified advertisement or graph (d) of this section are furnished. want ad sponsorship by any form of Where an agent or other person or en- business enterprise, corporate or other- tity contracts or otherwise makes ar- wise. Whenever sponsorship announce- rangements with a station on behalf of ments are omitted pursuant to this another, and such fact is known or by paragraph, the licensee shall observe the exercise of reasonable diligence, as the following conditions: specified in paragraph (b) of this sec- (1) Maintain a list showing the name, tion, could be known to the station, address, and (where available) the tele- the announcement shall disclose the phone number of each advertiser; identity of the person or persons or en- (2) Make this list available to mem- tity on whose behalf such agent is act- bers of the public who have a legiti- ing instead of the name of such agent. mate interest in obtaining the informa- Where the material broadcast is politi- tion contained in the list. Such list cal matter or matter involving the dis- must be retained for a period of two cussion of a controversial issue of pub- years after broadcast. lic importance and a corporation, com- (h) Any announcement required by mittee, association or other unincor- section 317(b) of the Communications porated group, or other entity is pay- Act of 1934, as amended, is waived with ing for or furnishing the broadcast respect to feature motion picture film matter, the station shall, in addition produced initially and primarily for to making the announcement required theatre exhibition. by this section, require that a list of NOTE: The waiver heretofore granted by the chief executive officers or members the Commission in its Report and Order of the executive committee or of the adopted November 16, 1960 (FCC 60–1369; 40 board of directors of the corporation, F.C.C. 95), continues to apply to programs committee, association or other unin- filmed or recorded on or before June 20, 1963, corporated group, or other entity shall when § 73.654, the predecessor television rule, be made available for public inspection went into effect. at the location specified by the li- (i) Commission interpretations in censee under § 73.3526 of this chapter. If connection with the provisions of the the broadcast is originated by a net- sponsorship identification rules are work, the list may, instead, be retained contained in the Commission’s Public at the headquarters office of the net- Notice, entitled ‘‘Applicability of work or at the location where the orig- Sponsorship Identification Rules,’’ inating station maintains its public in- dated May 6, 1963 (40 F.C.C. 141), as spection file under § 73.3526 of this modified by Public Notice, dated April

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21, 1975 (FCC 75–418). Further interpre- (Example: An ammeter meeting re- tations are printed in full in various quirement (1) having full scale reading volumes of the Federal Communica- of 6 amperes is acceptable for reading tions Commission Reports. currents from 2 to 6 amperes, provided [40 FR 18400, Apr. 28, 1975, as amended at 46 no scale division between 2 and 6 am- FR 13907, Feb. 24, 1981; 49 FR 4211, Feb. 3, peres is greater than one-thirtieth of 6 1984; 49 FR 33663, Aug. 24, 1984; 50 FR 32417, amperes, 0.2 ampere.) Aug. 12, 1985; 57 FR 8279, Mar. 9, 1992] (c) Instruments having logarithmic scales: § 73.1213 Antenna structure, marking (1) Meet the requirements of para- and lighting. graphs (a) (1), (2), and (3) of this section (a) The provisions of part 17 of this for linear scale instruments. chapter (Construction, Marking, and (2) Full scale reading shall not be Lighting of Antenna Structures), re- greater than five times the minimum quires certain antenna structures to be normal indication. painted and/or lighted in accordance (3) No scale division above one-fifth with part 17. full scale reading (in watts) shall be (b) The owner of each antenna struc- greater than one-thirtieth of the full ture is responsible for ensuring that scale reading. (Example: A wattmeter the structure, if required, is painted meeting requirement (3) having full and/or illuminated in accordance with scale reading of 1,500 watts is accept- part 17 of this chapter. In the event of able for reading power from 300 to 1,500 default by the owner, each licensee or watts, provided no scale division be- permittee shall be responsible for en- tween 300 and 1,500 watts is greater suring that the structure complies than one-thirtieth of 1,500 watts or 50 with applicable painting and lighting watts.) requirements. (d) Instruments having expanded [61 FR 4367, Feb. 6, 1996] scales: (1) Shall meet the requirements of § 73.1215 Specifications for indicating paragraphs (a) (1), (2), and (3) of this instruments. section for linear scale instruments. The following requirements and spec- (2) Full scale reading shall not be ifications shall apply to indicating in- greater than five times the minimum struments used by broadcast stations: normal indication. (a) Linear scale instruments: (3) No scale division above one-fifth (1) Length of scale shall not be less full scale reading shall be greater than than 2.3 inches (5.8 cm). one-fiftieth of the full scale reading. (2) Accuracy shall be at least 2 per- (Example: An ammeter meeting the re- cent of the full scale reading. quirement (1) is acceptable for indicat- (3) The maximum rating of the meter ing current from 1 to 5 amperes, pro- shall be such that it does not read off vided no division between 1 and 5 am- scale during modulation or normal op- peres is greater than one-fiftieth of 5 eration. amperes, 0.1 ampere.) (4) Scale shall have at least 40 divi- (e) Digital meters, printers, or other sions. numerical readout devices may be used (5) Full scale reading shall not be in addition to or in lieu of indicating greater than five times the minimum instruments meeting the specifications normal indication. of paragraphs (a), (b), (c), and (d) of (b) Instruments having square-law this section. The readout of the device scales: must include at least three digits and (1) Meet the requirements of para- must indicate the value of the param- graphs (a) (1), (2), and (3) of this section eter being read to an accuracy of 2%. for linear scale instruments. The multiplier, if any, to be applied to (2) Full scale reading shall not be the reading of each parameter must be greater than three times the minimum indicated at the operating position. normal indication. (f) No instrument which has been (3) No scale division above one-third broken or appears to be damaged or de- full scale reading shall be greater than fective, or the accuracy of which is one-thirtieth of the full scale reading. questionable shall be used, until it has

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been checked, and if necessary repaired advertisement of non-licensee-conducted and recalibrated by the manufacturer contests, or to a contest conducted by a non- or qualified instrument repair service. broadcast division of the licensee or by a non-broadcast company related to the li- Repaired instruments shall not be used censee. unless a certificate of calibration has been provided showing that the instru- [41 FR 43152, Sept. 30, 1976] ment conforms to the manufacturer’s § 73.1217 Broadcast hoaxes. specifications for accuracy. No licensee or permittee of any [41 FR 36818, Sept. 1, 1976; 41 FR 43152, Sept. broadcast station shall broadcast false 30, 1976, as amended at 51 FR 2707, Jan. 21, information concerning a crime or a 1986] catastrophe if: § 73.1216 Licensee-conducted contests. (a) The licensee knows this informa- tion is false; A licensee that broadcasts or adver- (b) It is forseeable that broadcast of tises information about a contest it the information will cause substantial conducts shall fully and accurately dis- public harm, and close the material terms of the contest, (c) Broadcast of the information does and shall conduct the contest substan- in fact directly cause substantial pub- tially as announced or advertised. No lic harm. contest description shall be false, mis- Any programming accompanied by a leading or deceptive with respect to disclaimer will be presumed not to pose any material term. foreseeable harm if the disclaimer NOTE 1: For the purposes of this rule: clearly characterizes the program as a (a) A contest is a scheme in which a prize fiction and is presented in a way that is offered or awarded, based upon chance, is reasonable under the circumstances. diligence, knowledge or skill, to members of the public. NOTE: For purposes of this rule, ‘‘public (b) Material terms include those factors harm’’ must begin immediately, and cause which define the operation of the contest and direct and actual damage to property or to which affect participation therein. Although the health or safety of the general public, or diversion of law enforcement or other public the material terms may vary widely depend- health and safety authorities from their du- ing upon the exact nature of the contest, ties. The public harm will be deemed foresee- they will generally include: how to enter or able if the licensee could expect with a sig- participate; eligibility restrictions; entry nificant degree of certainty that public harm deadline dates; whether prizes can be won; would occur. A ‘‘crime’’ is any act or omis- when prizes can be won; the extent, nature sion that makes the offender subject to and value of prizes; basis for valuation of criminal punishment by law. A ‘‘catas- prizes; time and means of selection of win- trophe’’ is a disaster or imminent disaster ners; and/or tie-breaking procedures. involving violent or sudden event affecting NOTE 2: In general, the time and manner of the public. disclosure of the material terms of a contest are within the licensee’s discretion. How- [57 FR 28640, June 26, 1992] ever, the obligation to disclose the material terms arises at the time the audience is first § 73.1225 Station inspections by FCC. told how to enter or participate and contin- ues thereafter. The material terms should be (a) The licensee of a broadcast sta- disclosed periodically by announcements tion shall make the station available broadcast on the station conducting the con- for inspection by representatives of the test, but need not be enumerated each time FCC during the station’s business an announcement promoting the contest is hours, or at any time it is in operation. broadcast. Disclosure of material terms in a (b) In the course of an inspection or reasonable number of announcements is suf- investigation, an FCC representative ficient. In addition to the required broadcast may require special equipment tests, announcements, disclosure of the material program tests or operation with night- terms may be made in a non-broadcast man- ner. time or presunrise facilities during daytime hours pursuant to § 0.314, part NOTE 3: This rule is not applicable to li- censee-conducted contests not broadcast or 0, of the FCC rules. advertised to the general public or to a sub- (c) The following records shall be stantial segment thereof, to contests in made available by all broadcast sta- which the general public is not requested or tions upon request by representatives permitted to participate, to the commercial of the FCC.

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(1) Equipment performance measure- or records are removed from the licens- ments required by §§ 73.1590 and 73.1690. ee’s possession by an FCC representa- (2) The written designations for chief tive and this receipt shall be retained operators and, when applicable, the by the licensee as part of the station contracts for chief operators engaged records until such records or logs are on a contract basis. returned to the licensee. When the FCC (3) Application for modification of has no further need for such records or the transmission system made pursu- logs, they shall be returned to the li- ant to § 73.1690(c). censee. The provisions of this rule shall (4) Informal statements or drawings apply solely to those station logs and depicting any transmitter modification records which are required to be main- made pursuant to § 73.1690(e). tained by the provisions of this chap- (5) Station logs and special technical ter. records. (1) Logs and records stored on micro- (d) Commercial and noncommercial film, microfiche or other data-storage AM stations must make the following systems are subject to the require- information also available upon re- ments pertaining thereto found in quest by representatives of the FCC. § 73.1840(b). (1) Copy of the most recent antenna (b) Where records or logs are main- or common-point impedance measure- tained as the official records of a rec- ments. ognized law enforcement agency and (2) Copy of the most recent field the removal of the records from the strength measurements made to estab- possession of the law enforcement lish performance of directional anten- agency will hinder its law enforcement nas required by § 73.151. activities, such records will not be re- (3) Copy of the partial directional an- moved pursuant to this section if the tenna proofs of performance made in chief of the law enforcement agency accordance with § 73.154 and made pur- promptly certifies in writing to the suant to the following requirements: FCC that removal of the logs or records (i) Section 73.68, Sampling systems will hinder law enforcement activities for antenna monitors. of the agency, stating insofar as fea- (ii) Section 73.69, Antenna monitors. sible the basis for his decision and the (iii) Section 73.61, AM direction an- date when it can reasonably be ex- tenna field strength measurements. pected that such records will be re- leased to the FCC. [43 FR 45846, Oct. 4, 1978; 43 FR 50683, Oct. 31, 1978, as amended at 51 FR 41629, Nov. 18, 1986; (c) The following contracts, agree- 51 FR 44478, Dec. 10, 1986; 57 FR 48333, Oct. 23, ments, or understandings, which need 1992] not be filed with the FCC (per § 73.3613, Filing of contracts), must be kept at § 73.1226 Availability to FCC of station the station and made available for in- logs and records. spection by any authorized representa- The following shall be made available tive of the FCC upon request: to any authorized representative of the (1) Contracts relating to the sale of FCC upon request: broadcast time to ‘‘time brokers’’ for (a) Station records and logs shall be resale. made available for inspection or dupli- (2) FM subchannel leasing agree- cation at the request of the FCC or its ments for subsidiary communications. representative. Such logs or records (3) Time sales contracts with the may be removed from the licensee’s same sponsor for 4 or more hours per possession by an FCC representative day, except where the length of the or, upon request, shall be mailed by the events (such as athletic contests, musi- licensee to the FCC by either reg- cal programs, and special events) istered mail, return receipt requested, broadcast pursuant to the contract is or certified mail, return receipt re- not under control of the station. quested. The return receipt shall be re- (4) Contracts with chief operators or tained by the licensee as part of the other engineering personnel. station records until such records or [43 FR 45847, Oct. 4, 1978; 43 FR 50683, Oct. 31, logs are returned to the licensee. A re- 1978, as amended at 45 FR 41151, June 18, 1980; ceipt shall be furnished when the logs 48 FR 28457, June 22, 1983]

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§ 73.1230 Posting of station license. (d) Any emergency operation under- taken in accordance with this section (a) The station license and any other may be terminated by the FCC if re- instrument of station authorization quired in the public interest. shall be posted in a conspicuous place and in such a manner that all terms (e) Immediately upon cessation of an are visible at the place the licensee emergency during which broadcast fa- considers to be the principal control cilities were used for the transmission point of the transmitter. of point-to-point messages under para- (b) Posting of the station license and graph (b) of this section, or when day- any other instruments of authorization time facilities were used during night- shall be done by affixing them to the time hours by an AM station in accord- wall at thee posting location, or by en- ance with paragraph (f) of this section, closing them in a binder or folder a report in letter form shall be for- which is retained at the posting loca- warded to the FCC in Washington, DC, tion so that the documents will be setting forth the nature of the emer- readily available and easily accessible. gency, the dates and hours of the broadcasting of emergency informa- [60 FR 55480, Nov. 1, 1995] tion, and a brief description of the ma- terial carried during the emergency. A § 73.1250 Broadcasting emergency in- certification of compliance with the formation. noncommercialization provision of (a) Emergency situations in which paragraph (f) of this section must ac- the broadcasting of information is con- company the report where daytime fa- sidered as furthering the safety of life cilities are used during nighttime and property include, but are not lim- hours by an AM station, together with ited to the following: Tornadoes, hurri- a detailed showing, under the canes, floods, tidal waves, earthquakes, provisisons of that paragraph, that no icing conditions, heavy snows, wide- other broadcast service existed or was spread fires, discharge of toxic gasses, adequate. widspread power failures, industrial ex- (f) AM stations may, without further plosions, civil disorders and school FCC authority, use their full daytime closing and changes in school bus facilities during nighttime hours to schedules resulting from such condi- broadcast emergency information (ex- tions. See also § 73.3542, Application for amples listed in paragraph (a) of this Emergency Authorization, for require- section), when necessary to the safety ments involving emergency situations of life and property, in dangerous con- not covered by this section for which ditions of a general nature and when prior operating authority must be re- adequate advance warning cannot be quested. given with the facilities authorized. (b) If requested by responsible public Because of skywave interference im- officials, a station may, at its discre- pact on other stations assigned to the tion, and without further FCC author- same channel, such operation may be ity, transmit emergency point-to-point undertaken only if regular, unlimited- messages for the purpose of requesting time service, is non-existent, inad- or dispatching aid and assisting in res- equate from the standpoint of cov- cue operations. erage, or not serving the public need. (c) If the Emergency Alert System All operation under this paragraph (EAS) is activated for a national emer- must be conducted on a noncommercial gency while a Local Area or State basis. Recorded music may be used to emergency operation is in progress, the the extent necessary to provide pro- national level EAS operation must gram continuity. take precedence. If, during the broad- (g) Broadcasting of emergency infor- casting of Local Area or State emer- mation shall be confined to the hours, gency information, the EAS codes or frequencies, powers and modes of oper- Attention Signal described in § 11.12 of ation specified in the station license, this chapter are used, the broadcasts except as otherwise provided for AM are considered as being carried out stations in paragraph (f) of this sec- under a Local Area or State EAS plan. tion.

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(h) Any emergency information one or more technically competent per- transmitted by a TV station in accord- sons to adjust the transmitter operat- ance with this section shall be trans- ing parameters for compliance with the mitted both aurally and visually or technical rules and the station author- only visually. TV stations may use any ization. method of visual presentation which (1) Persons so authorized by the li- results in a legible message conveying censee may make such adjustments di- the essential emergency information. rectly at the transmitter site or by Methods which may be used include, using control equipment at an off-site but are not necessarily limited to, location. slides, electronic captioning, manual (2) The transmitter control personnel methods (e.g., hand printing) or me- must have the capability to turn the chanical printing processes. However, transmitter off at all times. If the per- when an emergency operation is being sonnel are at a remote location, the conducted under a national, State or control system must provide this capa- Local Area Emergency Alert System bility continuously or must include an (EAS) plan, emergency information alternate method of acquiring control shall be transmitted both aurally and that can satisfy the requirement of visually unless only the EAS codes are paragraph (d) of this section that oper- transmitted as specified in § 11.51(b) of ation be terminated within 3 minutes. this chapter. (c) The licensee must establish mon- [43 FR 45847, Oct. 4, 1978, as amended at 50 FR itoring procedures and schedules for 30947, July 31, 1985; 59 FR 67102, Dec. 28, 1994; the station and the indicating instru- 60 FR 56000, Nov. 6, 1995] ments employed must comply with § 73.1215. § 73.1300 Unattended station oper- (1) Monitoring procedures and sched- ation. ules must enable the licensee to deter- Broadcast stations may be operated mine compliance with § 73.1560 regard- as either attended (where a designated ing operating power and AM station person is responsible for the proper op- mode of operation, § 73.1570 regarding eration of the transmitting apparatus modulation levels, and, where applica- either at the transmitter site, a remote ble, § 73.1213 regarding antenna tower control point or an ATS control point) lighting, and § 73.69 regarding the pa- or unattended (where highly stable rameters of an AM directional antenna equipment or automated monitoring of system. station operating parameters is em- (2) Monitoring equipment must be pe- ployed). No prior FCC approval is re- riodically calibrated so as to provide quired to operate a station in the unat- reliable indications of transmitter op- tended mode. Regardless of which erating parameters with a known de- method of station operation is em- gree of accuracy. Errors inherent in ployed, licensees must employ proce- monitoring equipment and the calibra- dures which will ensure compliance tion procedure must be taken into ac- with Part 11 of this chapter, the rules count when adjusting operating param- governing the Emergency Alert System eters to ensure that the limits imposed (EAS). by the technical rules and the station [60 FR 55481, Nov. 1, 1995] authorization are not exceeded. (d) In the event that a broadcast sta- § 73.1350 Transmission system oper- tion is operating in a manner that is ation. not in compliance with the technical (a) Each licensee is responsible for rules set forth elsewhere in this part or maintaining and operating its broad- the terms of the station authorization, cast station in a manner which com- and the condition is not listed in para- plies with the technical rules set forth graph (e) of this section, broadcast op- elsewhere in this part and in accord- eration must be terminated within ance with the terms of the station au- three hours. thorization. (1) Examples of conditions that re- (b) The licensee must designate a quire termination of operation include chief operator in accordance with excessive power or excessive modula- § 73.1870. The licensee may designate tion.

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(2) Additional examples for AM sta- erning the Emergency Alert System tions are any mode of operation not (EAS). specified by the station license for the [60 FR 55481, Nov. 1, 1995] pertinent time of day or hours of oper- ation and any condition of antenna pa- § 73.1400 Transmission system mon- rameters or monitoring points out of itoring and control. the tolerances specified elsewhere in The licensee of an AM, FM or TV sta- this part or by the station’s instrument tion is responsible for assuring that at of authorization. For these conditions, all times the station operates within operation must be terminated within tolerances specified by applicable tech- three minutes unless antenna input nical rules contained in this part and power is reduced sufficiently to elimi- in accordance with the terms of the nate any excess radiation. station authorization. Any method of (3) For AM stations using directional complying with applicable tolerances arrays, additional procedures apply is permissible. The following are typi- when array operating parameters are cal methods of transmission system op- at variance, monitoring points exceed eration: specified limits, or authorized direc- (a) Attended operation. (1) Attended tional mode capability is lost. See operation consists of ongoing super- § 73.62, Directional antenna system tol- vision of the transmission facilities by erances; § 73.158, Directional antenna a station employee or other person des- monitoring points; and § 73.1680(b), ignated by the licensee. Such super- Emergency antennas. vision may be accomplished by either: (i) Direct supervision and control of (e) If a broadcast station is operating transmission system parameters by a in a manner that is not in compliance person at the transmitter site; or with one of the following technical (ii) Remote control of the trans- rules, operation may continue if the mission system by a person at the station complies with relevant alter- main studio or other location. The re- native provisions in the specified rule mote control system must provide suf- section. ficient transmission system monitor- (1) AM directional antenna system ing and control capability so as to en- tolerances, see § 73.62; sure compliance with § 73.1350. (2) AM directional antenna monitor- (2) A station may also be monitored ing points, see § 73.158; and controlled by an automatic trans- (3) TV visual waveform, see § 73.691(b); mission system (ATS) that is config- (4) Reduced power operation, see ured to contact a person designated by § 73.1560(d); the licensee in the event of a technical (5) Reduced modulation level, see malfunction. An automatic trans- § 73.1570(a); mission system consists of monitoring (6) Emergency antennas, see § 73.1680. devices, control and alarm circuitry, arranged so that they interact auto- (f) The transmission system must be matically to operate the station’s maintained and inspected in accord- transmitter and maintain technical pa- ance with § 73.1580. rameters within licensed values. (g) Whenever a transmission system (3) A hybrid system containing some control point is established at a loca- remote control and some ATS features tion other than at the main studio or is also permissible. transmitter, notification of that loca- (4) In the case of remote control or tion must be sent to the FCC in Wash- ATS operation, not every station pa- ington, D.C. within 3 days of the initial rameter need be monitored or con- use of that point. This notification is trolled if the licensee has good reason not required if responsible station per- to believe that its stability is so great sonnel can be contacted at the trans- that its monitoring and control are un- mitter or studio site during hours of necessary. operation. (b) Unattended operation. Unattended (h) The licensee must ensure that the operation is either the absence of station is operated in compliance with human supervision or the substitution Part 11 of this chapter, the rules gov- of automated supervision of a station’s

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transmission system for human super- (4) If an experimental authorization vision. In the former case, equipment is permits the use of additional facilities employed which is expected to operate or hours of operation for experimental within assigned tolerances for extended purposes, no sponsored programs or periods of time. The latter consists of commercial announcements may be the use of a self-monitoring or ATS- transmitted during such experimen- monitored and controlled transmission tation. system that, in lieu of contacting a (5) The licensee may transmit regu- person designated by the licensee, larly scheduled programming concur- automatically takes the station off the rently with the experimental trans- air within three hours of any technical mission if there is no significant im- malfunction which is capable of caus- pairment of service. ing interference. (6) No charges may be made, either [60 FR 55481, Nov. 1, 1995] directly or indirectly, for the experi- mentation; however, normal charges § 73.1510 Experimental authorizations. may be made for regularly scheduled (a) Licensees of broadcast stations programming transmitted concur- may obtain experimental authoriza- rently with the experimental trans- tions to conduct technical experimen- missions. tation directed toward improvement of (d) The FCC may request a report of the technical phases of operation and the research, experimentation and re- service, and for such purposes may use sults at the conclusion of the experi- a signal other than the normal broad- mental operation. cast program signal. (b) Experimental authorizations may [43 FR 32783, July 28, 1978] be requested by filing an informal ap- plication with the FCC in Washington, § 73.1515 Special field test authoriza- DC, describing the nature and purpose tions. of the experimentation to be con- (a) A special field test authorization ducted, the nature of the experimental may be issued to conduct field strength signal to be transmitted, and the pro- surveys to aid in the selection of suit- posed schedule of hours and duration of able sites for broadcast transmission the experimentation. Experimental au- facilities, determine coverage areas, or thorizations shall be posted with the to study other factors influencing station license. broadcast signal propagation. The ap- (c) Experimental operations are sub- plicant for the authorization must be ject to the following conditions: qualified to hold a license under sec- (1) The authorized power of the sta- tion 303(1)(l) of the Communications tion may not be exceeded, except as Act. specifically authorized for the experi- (b) Requests for authorizations to op- mental operations. erate a transmitter under a Special (2) Emissions outside the authorized field test authorization must be in bandwidth must be attenuated to the writing using an informal application degree required for the particular type in letter form, signed by the applicant of station. and including the following informa- (3) The experimental operations may tion: be conducted at any time the station is authorized to operate, but the mini- (1) Purpose, duration and need for the mum required schedule of program- survey. ming for the class and type of station (2) Frequency, transmitter output must be met. AM stations also may powers and time of operation. conduct experimental operations dur- (3) A brief description of the test an- ing the experimental period (12 mid- tenna system, its estimated effective night local time to local sunrise) and radiated field and height above ground at additional hours if permitted by the or average terrain, and the geographic experimental authorization provided coordinates of its proposed location(s). no interference is caused to other sta- (c) Operation under a special field tions maintaining a regular operating test authorization is subject to the fol- schedule within such period(s). lowing conditions:

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(1) No objectionable interference will § 73.1520 Operation for tests and main- result to the operation of other author- tenance. ized radio services; in this connection, (a) Broadcast stations may be oper- the power requested shall not exceed ated for tests and maintenance of their that necessary for the purposes of the transmitting systems on their assigned test. frequencies using their licensed operat- (2) The carriers will be unmodulated ing power and antennas during their except for the transmission of a test- authorized hours of operation without pattern on a visual TV transmitter, specific authorization from the FCC. and for hourly voice station identifica- (b) Licensees of AM stations may op- tion on aural AM, FM and TV trans- erate for tests and maintenance during mitters. the hours from 12 midnight local time (3) The transmitter output power or to local sunrise, if no interference is antenna input power may not exceed caused to other stations maintaining a those specified in the test authoriza- regular operating schedule within such tion and the operating power must be period. No AM station licensed for maintained at a constant value for ‘‘daytime’’ or ‘‘specified hours’’ of op- each phase of the tests. eration may broadcast any regular or (4) The input power to the final am- scheduled programs during this period plifier stage, and the AM antenna cur- of test and maintenance operation. rent or the FM or TV transmitter out- (c) Licensees of AM stations may ob- put power must be observed and re- tain special antenna test authoriza- corded at half hour intervals and at tions, and operate under the provisions any time that the power is adjusted or described in § 73.157, to operate with changed. Copies of these records must nighttime facilities during daytime be submitted to the FCC with the re- hours in conducting directional an- quired report. tenna field strength and antenna proof (5) The test equipment may not be of performance measurements. permanently installed, unless such in- stallation has been separately author- [43 FR 32783, July 28, 1978, as amended at 45 ized. Mobile units are not deemed per- FR 6401, Jan. 28, 1980] manent installations. (6) Test transmitters must be oper- § 73.1530 Portable test stations [Defini- tion]. ated by or under the immediate direc- tion of an operator holding a commer- A portable test station is one that is cial radio operator license (any class, moved from place to place for making unless otherwise endorsed). field strength and ground conductivity (7) A report, containing the measure- measurements, for selecting station ments, their analysis and other results transmitter sites, and conducting other of the survey shall be filed with the specialized propagation tests. Portable FCC in Washington, DC within sixty test stations are not normally used (60) days following the termination of while in motion, and may not be used the test authorization. for the transmission of programs in- (8) The test transmission equipment, tended to be received by the public. installation and operation thereof need [43 FR 32783, July 28, 1978] not comply with the requirements of FCC rules and standards except as § 73.1540 Carrier frequency measure- specified in this section if the equip- ments. ment, installation and operation are (a) The carrier frequency of each AM consistent with good engineering prin- and FM station and the visual carrier ciples and practices. frequency and the difference between (d) A special field test authorization the visual carrier and the aural carrier may be modified or terminated by noti- or center frequency of each TV station fication from the FCC if in its judg- shall be measured or determined as ment such action will promote the pub- often as necessary to ensure that they lic interest, convenience and necessity. are maintained within the prescribed [44 FR 58734, Oct. 11, 1979, as amended at 46 tolerances. FR 35463, July 8, 1981; 49 FR 4211, Feb. 3, 1984; (b) In measuring the carrier fre- 49 FR 20670, May 16, 1984] quency, the licensee may use any

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method or procedure that has suffi- antenna input power and may not be cient precision to establish that the less than 90% nor more than 105% of carrier frequency is within the pre- the authorized power. scribed departure limits. (2) Whenever the transmitter of an (c) The primary standard of fre- AM station cannot be placed into the quency for radio frequency measure- specified operating mode at the time ments is the standard frequency main- required, transmissions of the station tained by the National Bureau of must be immediately terminated. How- Standards or the standard signals of ever, if the radiated field at any bear- Stations WWV, WWVB, and WWVH of ing or elevation does not exceed that the National Bureau of Standards. permitted for that time of day, oper- [43 FR 32783, July 28, 1978, as amended at 48 ation in the mode with the lesser radi- FR 44805, Sept. 30, 1983] ated field may continue under the noti- fication procedures of paragraph (d) of § 73.1545 Carrier frequency departure this section. tolerances. (b) FM stations. Except as provided in (a) AM stations. The departure of the paragraph (d) of this section, the trans- carrier frequency for monophonic mitter output power of an FM station, transmissions or center frequency for with power output as determined by stereophonic transmissions may not the procedures specified in § 73.267, exceed ± 20 Hz from the assigned fre- which is authorized for output power quency. more than 10 watts must be maintained (b) FM stations. (1) The departure of as near as practicable to the authorized the carrier or center frequency of an transmitter output power and may not FM station with an authorized trans- be less than 90% nor more than 105% of mitter output power more than 10 the authorized power. FM stations op- watts may not exceed ±2000 Hz from the erating with authorized transmitter assigned frequency. output power of 10 watts or less, may (2) The departure of the carrier or operate at less than the authorized center frequency of an FM station with power, but not more than 105% of the an authorized transmitter output authorized power. power of 10 watts or less may not ex- (c) TV stations. (1) Except as provided ceed ±3000 Hz from the assigned fre- in paragraph (d) of this section, the vis- quency. ual output power of a TV transmitter, (c) TV stations. (1) The departure of as determined by the procedures speci- the visual carrier frequency of a TV fied in § 73.663, must be maintained as station may not exceed ±1000 Hz from near as is practicable to the authorized the assigned visual carrier frequency. transmitter output power and may not (2) The departure of the aural carrier be less than 80% nor more than 110% of frequency of a TV station may not ex- the authorized power. ceed ±1000 Hz from the actual visual (2) The output power of the aural carrier frequency plus exactly 4.5 MHz. transmitter shall be maintained to pro- (d) International broadcast stations. vide an aural carrier ERP not to exceed The departure of the carrier frequency 22% of the peak authorized visual ERP. of an International broadcast station (3) The FCC may specify deviation may not exceed 0.0015% of the assigned from the power of tolerance require- frequency on which the station is ments for subscription television oper- transmitting. ations to the extent it deems necessary [44 FR 58734, Oct. 11, 1979; 44 FR 64408, Nov. 7, to permit proper operation. 1979, as amended at 47 FR 13165, Mar. 29, 1982] (d) Reduced power operation. In the event it becomes technically impos- § 73.1560 Operating power and mode sible to operate with the authorized tolerances. power, a broadcast station may operate (a) AM stations. (1) Except as provided at reduced power for a period of not for in paragraph (d) of this section, the more than 30 days without specific au- antenna input power of an AM station thority from the FCC. If operation at as determined by the procedures speci- reduced power will exceed 10 consecu- fied in § 73.51 must be maintained as tive days, a notification must be sent near as is practicable to the authorized to the FCC in Washington, D.C., not

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later than the 10th day of the lower (2) FM Stations. The total modulation power operation. In the event the nor- must not exceed 100 percent on peaks mal power is restored prior to the expi- of frequent reoccurrence referenced to ration of the 30 day period, the licensee 75 kHz deviation. However, stations must notify the FCC upon restoration providing subsidiary communications of normal operation. If causes beyond services using subcarriers under provi- the control of the licensee prevent res- sions of § 73.319 concurrently with the toration of authorized power within 30 broadcasting of stereophonic or days, an informal written request must monophonic programs may increase be made to the FCC in Washington, DC, the peak modulation deviation as fol- no later than the 30th day for the addi- lows: tional time as may be necessary. (i) The total peak modulation may be [44 FR 58734, Oct. 11, 1979, as amended at 49 increased 0.5 percent for each 1.0 per- FR 22093, May 25, 1984; 49 FR 29069, July 18, cent subcarrier injection modulation. 1984; 49 FR 47610, Dec. 6, 1984; 50 FR 26568, (ii) In no event may the modulation June 27, 1985; 50 FR 40015, Oct. 1, 1985] of the carrier exceed 110 percent (82.5 kHz peak deviation). § 73.1570 Modulation levels: AM, FM, and TV aural. (3) TV station. In no case shall the total modulation of the aural carrier (a) The percentage of modulation is exceed 100% on peaks of frequent recur- to be maintained at as high a level as rence, unless some other peak modula- is consistent with good quality of tion level is specified in an instrument transmission and good broadcast serv- of authorization. For monophonic ice, with maximum levels not to exceed transmissions, 100% modulation is de- the values specified in paragraph (b). fined as ±25 kHz. Generally, the modulation should not (c) If a limiting or compression am- be less than 85% on peaks of frequent plifier is employed to maintain modu- recurrence, but where lower modula- lation levels, precaution must be taken tion levels may be required to avoid ob- so as not to substantially alter the dy- jectionable loudness or to maintain the namic characteristics of programs. dynamic range of the program mate- rial, the degree of modulation may be [44 FR 58735, Oct. 11, 1979, as amended at 47 reduced to whatever level is necessary FR 13165, Mar. 29, 1982; 49 FR 14508, Apr. 12, for this purpose, even though under 1984; 49 FR 15081, Apr. 17, 1984; 49 FR 27147, such circumstances, the level may be July 2, 1984; 49 FR 47610, Dec. 6, 1984; 49 FR 48312, Dec. 12, 1984; 51 FR 26251, July 22, 1986; substantially less than that which pro- 56 FR 64872, Dec. 12, 1991] duces peaks of frequent recurrence at a level of 85%. § 73.1580 Transmission system inspec- (b) Maximum modulation levels must tions. meet the following limitations: Each AM, FM, and TV station li- (1) AM stations. In no case shall the censee or permittee must conduct peri- amplitude modulation of the carrier odic complete inspections of the trans- wave exceed 100% on negative peaks of mitting system and all required mon- frequent recurrence, or 125% on posi- itors to ensure proper station oper- tive peaks at any time. ation. (i) AM stations transmitting stereo- phonic programs not exceed the AM [60 FR 55482, Nov. 1, 1995] maximum stereophonic transmission signal modulation specifications of § 73.1590 Equipment performance stereophonic system in use. measurements. (ii) For AM stations transmitting te- (a) The licensee of each AM, FM and lemetry signals for remote control or TV station, except licensees of Class D automatic transmission system oper- non-commercial educational FM sta- ation, the amplitude of modulation of tions authorized to operate with 10 the carrier by the use of subaudible watts or less output power, must make tones must not be higher than nec- equipment performance measurements essary to effect reliable and accurate for each main transmitter as follows: data transmission and may not, in any (1) Upon initial installation of a new case, exceed 6%. or replacement main transmitter.

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(2) Upon modification of an existing (d) The data required by paragraphs transmitter made under the provisions (b) and (c) of this section, together of § 73.1690, Modification of trans- with a description of the equipment mission systems, and specified therein. and procedure used in making the (3) Installation of AM stereophonic measurements, signed and dated by the transmission equipment pursuant to qualified person(s) making the meas- § 73.128. urements, must be kept on file at the (4) Installation of FM subcarrier or transmitter or remote control point for stereophonic transmission equipment a period of 2 years, and on request pursuant to § 73.295, § 73.297, § 73.593 or must be made available during that § 73.597. time to duly authorized representa- (5) Installation of TV stereophonic or tives of the FCC. subcarrier transmission equipment pursuant to §§ 73.669 and 73.1690. [47 FR 8589, Mar. 1, 1982, as amended at 51 FR (6) Annually, for AM stations, with 18450, May 20, 1986] not more than 14 months between § 73.1610 Equipment tests. measurements. (7) When required by other provisions (a) During the process of construc- of the rules or the station license. tion of a new broadcast station, the (b) Measurements for spurious and permittee, after notifying the FCC in harmonic emissions must be made to Washington, D.C. may, without further show compliance with the transmission authority from the FCC, conduct system requirements of § 73.44 for AM equipment tests for the purpose of stations; § 73.317 for FM stations and making such adjustments and measure- § 73.687 for TV stations. Measurements ments as may be necessary to assure must be made under all conditions of compliance with the terms of the con- modulation expected to be encountered struction permit, the technical provi- by the station whether transmitting sions of the application therefore, the monophonic or stereophonic programs rules and regulations and the applica- and providing subsidiary communica- ble engineering standards. For AM sta- tions services. tions, equipment tests, including either (c) TV visual equipment performance a directional or nondirectional proof of measurements must be made with the performance required by the construc- equipment adjusted for normal pro- tion permit, may be conducted during gram operation at the transmitter an- daytime hours provided that the an- tenna sampling port to yield the fol- tenna system is first substantially lowing information: tuned during the experimental period. (1) Field strength or voltage of the The nondirectional proof shall be con- lower side-band for a modulating fre- ducted with power adjusted to 25% of quency of 1.25 MHz or greater, (includ- that specified in the permit for the au- ing 3.58 MHz for color), and of the thorized directional facilities or, if ap- upper side-band for a modulating fre- plicable, to such higher power as is quency of 4.75 MHz or greater. specified in the same permit for au- (2) Data showing that the waveform thorized nondirectional facilities. For of the transmitted signal conforms to licensed stations, see § 73.1615, Oper- that specified by the standards for TV ation During Modification of Facili- transmissions. ties; and § 73.157, Antenna Testing Dur- (3) Photographs of a test pattern ing Daytime. taken from a receiver or monitor con- (b) The FCC may notify the permit- nected to the transmitter output. tee not to conduct equipment tests or (4) Data showing envelope delay char- may modify, cancel, suspend, or change acteristics of the radiated signal. the modes of testing or the dates and (5) Data showing the attenuation of times for such tests in order to resolve spurious and harmonic radiation, if, interference complaints or when such after type acceptance, any changes action may appear to be in the public have been made in the transmitter or interest, convenience, and necessity. associated equipment (filters, (c) Equipment tests may be contin- multiplexer, etc.) which could cause ued so long as the construction permit changes in its radiation products. shall remain valid.

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(d) The authorization for tests em- (4) Operate in a nondirectional mode bodied in this section shall not be con- during daytime hours, if not already so strued as constituting a license to op- licensed, only as necessary to conduct erate but as a necessary part of con- a required nondirectional proof of per- struction. formance with a power not to exceed 25% of the maximum power authorized [43 FR 32783, July 28, 1978, as amended at 47 by the construction permit for direc- FR 40174, Sept. 13, 1982; 50 FR 30947, July 31, 1985] tional operation, or (5) Operate during daytime hours § 73.1615 Operation during modifica- with either the daytime or nighttime tion of facilities. directional pattern and with the power authorized by the construction permit When the licensee of an existing AM, only as necessary to take proof of per- FM or TV station is in the process of formance measurements. Operating modifying existing facilities as author- power shall be promptly reduced to ized by a construction permit and de- presently licensed level during any sig- termines it is necessary to either dis- nificant period of time that these continue operation or to operate with measurements are not being taken. No temporary facilities to continue pro- daytime operation of construction per- gram service, the following procedures mit directional patterns authorized by apply: this paragraph shall be conducted be- (a) Licensees holding a construction fore such patterns have been substan- permit for modification of directional tially tuned during the experimental or nondirectional FM and TV or non- period. directional AM station facilities may, (6) In the event the directional pat- without specific FCC authority, for a tern authorized by the construction period not exceeding 30 days: permit replaces a licensed directional (1) Discontinue operation, or pattern, the licensee may operate with (2) Operate with temporary facilities the substantially adjusted construction to maintain, as nearly as possible, but permit pattern during the correspond- not exceed, the size of the presently li- ing licensed hours of directional oper- censed coverage area. ation with power not exceeding that (b) Licensees of an AM station hold- specified for the licensed pattern. ing a construction permit which in- (c) Such operation or discontinuance volves directional facilities and which of operation in accordance with the does not involve a change in operating provisions of paragraph (a) or (b) of frequency may, without specific FCC this section may begin upon notifica- authority, for a period not exceeding 30 tion to the FCC in Washington, DC. days: (1) Should it be necessary to continue (1) Discontinue operation, or the procedures in either paragraph (a) (2) Operate with reduced power or or (b) of this section beyond 30 days, an with parameters at variance from li- informal letter request signed by the censed tolerances while maintaining licensee or the licensee’s representa- monitoring point field strengths within tive must be sent to the FCC in Wash- licensed limits during the period subse- ington, DC. prior to the 30th day. quent to the commencement of modi- (2) The license of a broadcasting sta- fications authorized by the construc- tion that fails to transmit broadcast tion permit, or signals for any consecutive 12-month (3) Operate in a nondirectional mode period expires as a matter of law at the during the presently licensed hours of end of that period, notwithstanding directional operation with power re- any provision, term, or condition of the duced to 25% or less of the nominal li- license or construction permit to the censed power, or whatever higher contrary. power, not exceeding licensed power, (d) Licensees of an AM station hold- will insure that the radiated field ing a construction permit which au- strength specified by the license is not thorizes both a change in frequency exceeded at any given asimuth for the and directional facilities must request corresponding hours of directional op- and obtain authority from the FCC in eration, or Washington, DC. prior to using any

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new installation authorized by the per- the license application and the request mit, or using temporary facilities. for program test authority and issue a (1) The request is to be made at least letter notifying the applicant whether 10 days prior to the date on which the full power operation has been approved. temporary operation is to commence. Upon filing of the license application The request is to be made by letter and related exhibits, and while await- which shall describe the operating ing approval of full power operation, modes and facilities to be used. Such the FM permittee may operate the di- letter requests shall be signed by the rectional antenna at one half (50%) of licensee or the licensee’s representa- the authorized effective radiated tive. power. Alternatively, the permittee (2) Discontinuance of operation is may continue operation with its exist- permitted upon notification to the FCC ing licensed facilities pending the issu- In Washington, DC. Should it be nec- ance of program test authority at the essary to discontinue operation longer full effective radiated power by the than 30 days, an informal letter re- staff. quest, signed by the licensee or the li- censee’s representatives, must be sent (3) FM licensees replacing a direc- to the FCC in Washington, DC prior to tional antenna pursuant to § 73.1690 the 30th day. (c)(2) without changes which require a (e) The FCC may modify or cancel construction permit (see § 73.1690(b)) the temporary operation permitted may immediately commence program under the provisions of paragraph (a), test operations with the new antenna (b), (c) or (d) of this section without at one half (50%) of the authorized ERP prior notice or right to hearing. upon installation. If the directional an- tenna replacement is an EXACT dupli- [50 FR 30947, July 31, 1985, as amended at 61 cate of the antenna being replaced (i.e., FR 28767, June 6, 1996] same manufacturer, antenna model § 73.1620 Program tests. number, and measured composite pat- tern), program tests may commence (a) Upon completion of construction of an AM, FM or TV station in accord- with the new antenna at the full au- ance with the terms of the construc- thorized power upon installation. The tion permit, the technical provisions of licensee must file a modification of li- the application, the rules and regula- cense application on FCC Form 302–FM tions and the applicable engineering within 10 days of commencing oper- standards, program tests may be con- ations with the newly installed an- ducted in accordance with the follow- tenna, and the license application must ing: contain all of the exhibits required by (1) The permittee of a nondirectional § 73.1690(c)(2). After review of the modi- AM or FM station, or a nondirectional fication-of-license application to cover or directional TV station, may begin the antenna change, the Commission program tests upon notification to the will issue a letter notifying the appli- FCC in Washington, DC provided that cant whether program test operation within 10 days thereafter, an applica- at the full authorized power has been tion for a license is filed with the FCC approved for the replacement direc- in Washington, DC. tional antenna. (2) The permittee of an FM station (4) The permittee of an AM station with a directional antenna system with a directional antenna system must file an application for license on must file an application for license on FCC Form 302–FM requesting authority FCC Form 302–AM requesting program to commence program test operations test authority with the FCC in Wash- at full power with the FCC in Washing- ington, DC at least ten (10) days prior ton, D.C. This license application must to the date on which it desires to com- be filed at least 10 days prior to the mence program test operations. The date on which full power operations are application must provide an AM direc- desired to commence. The application tional antenna proof of performance, for license must contain any exhibits containing the exhibits required by called for by conditions on the con- § 73.186. After review of the application struction permit. The staff will review to cover the construction permit, the

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Commission will issue a letter notify- sary of the commencement of program ing the applicant whether program test tests, applicants for new broadcast fa- operations may commence. Program cilities that were granted after des- test operations may not commence ignation for a comparative hearing as a prior to issuance of staff approval. result of a post designation settlement (b) The Commission reserves the or a decision favoring them after com- right to revoke, suspend, or modify parative consideration must report. program tests by any station without (1) Any deviations from comparative right of hearing for failure to comply proposals relating to integration of adequately with all terms of the con- ownership and management and diver- struction permit or the provisions of sification of the media of mass § 73.1690(c) for a modification of license communciation contained in their ap- application, or in order to resolve in- plication for a construction permit at stances of interference. The Commis- the time such application was granted; sion may, at its discretion, also require and the filing of a construction permit ap- (2) Any deviations from an active/ plication to bring the station into com- passive ownership structure proposed pliance the Commission’s rules and in their application for a construction policies. permit at the time such application (c) Unless sooner suspended or re- was granted. voked, the program test authority con- (3) The reports referred to in para- tinues valid during FCC consideration graphs (g)(1) and (2) of this section of the application for license, and dur- shall not be required in any case in ing this period further extension of the which the order granting the applica- construction permit is not required. tion relieved the applicant of the obli- Program test authority shall be auto- gation to adhere to such proposals. matically terminated by final deter- mination upon the application for sta- [43 FR 32784, July 28, 1978, as amended at 45 FR 6401, Jan. 28, 1980; 47 FR 28388, June 30, tion license. 1982; 49 FR 38132, Sept. 27, 1984; 56 FR 795, (d) All operation under program test Jan. 9, 1991; 56 FR 25639, June 5, 1991; 57 FR authority shall be in strict compliance 48333, Oct. 23, 1992; 62 FR 51059, Sept. 30, 1997] with the rules governing broadcast sta- tions and in strict accordance with rep- EFFECTIVE DATE NOTE: At 62 FR 51059, Sept. 30, 1997, § 73.1620 was amended by revis- resentations made in the application ing paragraph (a)(2); by adding paragraphs for license pursuant to which the tests (a)(3) and (a)(4); and by revising paragraph were authorized. (b), effective Dec. 1, 1997. For the conven- (e) Acceptance by the FCC of notifi- ience of the user, the superseded text is set cation of the station of program tests, forth as follows: or the granting of program test author- ity by the FCC, is not to be construed § 73.1620 Program tests. by the permittee as approval by the (a) * * * FCC of the application for station li- (2) The permittee of an AM or FM station with a directional antenna system must file cense. an application for license requesting pro- (f) The licensee of a UHF TV station gram test authority with the FCC in Wash- which is not in operation on, but as- ington, DC at least 10 days prior to the date signed to, the same allocated channel on which it desires to begin program tests. which a 1000 watt UHF translator sta- Also, an antenna proof of performance must tion is authorized to use (see § 73.3516, be filed with the request by an AM or FM ‘‘Specification of facilities’’), shall no- station with a directional antenna. tify the licensee of the translator sta- tion, in writing, at least 10 days prior * * * * * to commencing or resuming operation. (b) The FCC reserves the right to revoke or The TV station licensee shall also cer- suspend program tests by any station with- tify to the FCC in Washington, DC that out right of hearing for failure to comply such advance notice has been given to adequately with all terms of the construc- the translator station licensee. tion permit or in order to resolve instances (g) Reports required. In their applica- of objectionable interference. tion for a license to cover a construc- tion permit and on the first anniver- * * * * *

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§ 73.1635 Special temporary authoriza- (5) Certain rules specify special con- tions (STA). siderations and procedures in situa- tions requiring an STA or permit tem- (a) A special temporary authoriza- porary operation at variance without tion (STA) is the authority granted to prior authorization from the FCC when a permittee or licensee to permit the notification is filed as prescribed in the operation of a broadcast facility for a particular rules. See § 73.62, Directional limited period at a specified variance antenna system tolerances; § 73.157, An- from the terms of the station author- tenna testing during daytime; § 73.158, ization or requirements of the FCC Directional antenna monitoring points; rules applicable to the particular class § 73.691, Visual modulation monitoring; of station. § 73.1250, Broadcasting emergency infor- (1) A request for a STA should be mation; § 73.1350, Transmission system filed with FCC in Washington, DC at operation; § 73.1560, Operating power least 10 days prior to the date of the and mode tolerances; § 73.1570, Modula- proposed operation. tion levels: AM, FM, and TV aural; (2) The request is to be made by let- § 73.1615, Operation during modification ter and shall fully describe the pro- of facilities; § 73.1680, Emergency anten- posed operation and the necessity for nas; and § 73.1740, Minimum operating the requested STA. Such letter re- schedule. quests shall be signed by the licensee (b) An STA may be modified or can- or the licensee’s representative. celled by the FCC without prior notice (3) A request for a STA necessitated or right to hearing. by unforeseen equipment damage or (c) No request by an AM station for failure may be made without regard to temporary authority to extend its the procedural requirements of this hours of operation beyond those au- section (e.g. via telegram or tele- thorized by its regular authorization phone). Any request made pursuant to will be accepted or granted by the FCC this paragraph shall be followed by a except in emergency situations con- written confirmation request conform- forming with the requirements of ing to the requirements of paragraph § 73.3542, Application for Emergency (a)(2) of this section. Confirmation re- Authorization. See also § 73.1250, Broad- quests shall be submitted within 24 casting Emergency Information. hours. (See also § 73.1680 Emergency [50 FR 30948, July 31, 1985, as amended at 58 Antennas). FR 51250, Oct. 1, 1993; 60 FR 55482, Nov. 1, (4) An STA may be granted for an ini- 1995; 61 FR 28767, June 6, 1996] tial period not to exceed 180 days. A limited number of extensions of such § 73.1650 International agreements. authorizations may be granted for ad- (a) The rules in this part 73, and au- ditional periods not exceeding 180 days thorizations for which they provide, per extension. An STA necessitated by are subject to compliance with the technical or equipment problems, how- international obligations and under- ever, may, in practice, be granted for takings of the United States. Accord- an initial period not to exceed 90 days ingly, all provisions in this part 73 are with a limited number of extensions subject to compliance with applicable not to exceed 90 days per extension. requirements, restrictions, and proce- The permittee or licensee must dem- dures accepted by the United States onstrate that any further extensions that have been established by or pursu- requested are necessary and that all ant to treaties or other international steps to resume normal operation are agreements, arrangements, or under- being undertaken in an expeditions and standings to which the United States is timely fashion. The license of a broad- a signatory, including applicable an- casting station that fails to transmit nexes, protocols, resolutions, rec- broadcast signals for any consecutive ommendations and other 12-month period expires as a matter of supplementing documents associated law at the end of that period, notwith- with such international instruments. standing any STA or provision, term, (b) The United States is a signatory or condition of the license to the con- to the following treaties and other trary. international agreements that relate,

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in whole or in part, to AM, FM or TV mitters have been authorized under no- broadcasting: tification. (1) The following instruments of the (b) A permittee or licensee planning International Telecommunication to install and use as a main transmit- Union: ter one not included on the FCC’s (i) Constitution. ‘‘Radio Equipment List’’ must obtain (ii) Convention. authority to use such a transmitter by (iii) Radio Regulations. filing for a construction permit on FCC (2) Regional Agreements for the Form 301 (FCC Form 340 for non- Broadcasting Service in Region 2: commercial educational stations). The (i) MF Broadcasting 535–1605 kHz, Rio application must include a complete de Janeiro, 1981. description and circuit diagram of the (ii) MF Broadcasting 1605–1705 kHz, transmitter, description of the carrier , 1988. frequency determining circuits, com- (3) Bi-lateral Agreements between plete operating parameters, and meas- the United States and Canada relating urement data as would be requlred for to: a grant of type acceptance. A permit- (i) AM Broadcasting. tee or licensee planning to modify a (ii) FM Broadcasting. transmitter which is included on the FCC’s ‘‘Radio Equipment List’’ or for (iii) TV Broadcasting. which an FCC Form 301 has been sub- (4) Bi-lateral Agreements between mitted and approved, must follow the the United States and Mexico relating requirements contained in § 73.1690. to: (c) A transmitter which was in use (i) AM Broadcasting. prior to January 30, 1955, may continue (ii) FM Broadcasting. to be used by the licensee, and succes- (iii) TV Broadcasting. sors or assignees, if it continues to (5) Bi-lateral Agreement between the comply with the technical require- United States and the Bahama Islands ments for the type of station at which relating to presunrise operations by it is used. AM stations. (d) AM stereophonic exciter-genera- (6) North American Regional Broad- tors for interfacing with type accepted casting Agreement (NARBA), which, or notified AM transmitters may be for the United States, remains in effect type accepted upon request from any with respect to the Dominican Repub- manufacturer by the procedures de- lic and the Bahama Islands. scribed in part 2 of the FCC Rules. The documents listed in this paragraph Broadcast licensees may modify their are available for inspection in the of- type accepted AM stereophonic exciter- fice of the Chief, Planning and Negotia- generators in accordance with § 73.1690. tions Division, International Bureau, (e) Additional rules covering type ac- FCC, Washington, DC. Copies may be ceptance and notification, modification purchased from the FCC Copy Contrac- of authorized transmitters, and with- tor, whose name may be obtained from drawal of a grant of authorization are the FCC Consumer Assistance Office. contained in part 2 of the FCC Rules. [54 FR 39737, Sept. 28, 1989, as amended at 56 [43 FR 53740, Nov. 17, 1978, as amended at 49 FR 64872, Dec. 12, 1991; 60 FR 5333, Jan. 27, FR 4000, Feb. 1, 1984; 51 FR 18451, May 20, 1995] 1986; 51 FR 41629, Nov. 18, 1986; 51 FR 44478, Dec. 10, 1986] § 73.1660 Acceptability of broadcast transmitters. § 73.1665 Main transmitters. (a) An AM, FM or TV transmitter (a) Each AM, FM and TV broadcast may be type accepted or notified upon station must have at least one main the request of any manufacturer of transmitter which complies with the transmitters following the procedures provisions of the transmitter technical described in Part 2 of the FCC Rules. If requirements for the type and class of acceptable, the transmitter will be in- station. A main transmitter is one cluded in the FCC’s ‘‘Radio Equipment which is used for regular program serv- List, Equipment Acceptable for Licens- ice having power ratings appropriate ing.’’ Since March 5, 1984, these trans- for the authorized operating power(s).

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(b) There is no maximum power rat- (4) The transmission of regular pro- ing limit for FM or TV station trans- grams by an AM station authorized for mitters, however, the maximum rated Presunrise (PSRA) and/or Postsunset transmitter power of a main transmit- (PSSA) operation. ter installed at an AM station shall be (5) The transmission of tests to deter- as follows: mine the operating condition of the auxiliary transmitter or auxiliary an- Maximum rated trans- tenna. Authorized power mitter power (6) For testing, upon the request of (kW) representatives of the FCC. 0.25, 0.5, or 1 kW ...... 1 (b) Authorization to install an auxil- 2.5 kW ...... 5 iary transmitter for use with other 5 or 10 kW ...... 10 than the main antenna or authorized 25 or 50 kW ...... 50 auxiliary antenna must be obtained by (c) A licensee may, without further filing an application for a construction authority or notification to the FCC, permit on FCC form 301 (FCC form 340 replace an existing main transmitter for noncommercial educational sta- or install additional main transmit- tions). ter(s) for use with the authorized an- (c) The following technical and oper- tenna if the replacement or additional ating standards apply to auxiliary transmitter(s) is type accepted or noti- transmitters: (1) The auxiliary transmitter may be fied as shown in the FCC’s ‘‘Radio operated on only the station’s author- Equipment List’’. Within 10 days after ized frequency and within the required commencement of regular use of the carrier frequency departure tolerance replacement or additional transmit- for the type of station. ter(s), equipment performance meas- (2) The carrier frequency of the auxil- urements, as prescribed for the type of iary transmitter must be measured as station are to be completed. often as necessary to ensure that it is NOTE: Pending the availability of AM maintained within the prescribed toler- broadcast transmitters that are type-accept- ance. ed for use in the 1605–1705 kHz band, trans- (3) When using an auxiliary transmit- mitters that are type-accepted for use in the ter, the operating power may be less 535–1605 kHz band as shown on the FCC’s than the authorized power but may not Radio Equipment List may be utilized in the 1605–1705 kHz band if it is shown that the re- exceed the authorized power within the quirements of § 73.44 have been met. FCC ap- permitted tolerance for the type of sta- proval of the manufacturer’s application for tion. If operation with an auxiliary type-acceptance will supersede the applica- transmitter at reduced power contin- bility of this note. ues for a period exceeding 10 days, the FCC in Washington, DC must be noti- [43 FR 53741, Nov. 17, 1978, as amended at 47 fied. (See § 73.51, AM; § 73.267, FM; FR 8590, Mar. 1, 1982; 47 FR 28388, June 30, § 73.567, NCE–FM; and § 73.663, TV). 1982; 49 FR 4000, Feb. 1, 1984; 51 FR 18451, May 20, 1986; 56 FR 64872, Dec. 12, 1991] (4) Normal operator requirements apply to the operation of the auxiliary § 73.1670 Auxiliary transmitters. transmitter. (a) A licensee of a broadcast station NOTE: After January 1, 1979, new licenses may, without further authority from will not be issued nor will existing licenses the FCC, install and use with the main be renewed for auxiliary transmitters that antenna system one or more auxiliary are operated into the main antenna system. transmitters for the following pur- [43 FR 53741, Nov. 17, 1978, as amended at 44 poses: FR 22740, Apr. 17, 1979; 48 FR 36463, Aug. 11, (1) The transmission of regular pro- 1983; 48 FR 42960, Sept. 20, 1983; 48 FR 44806, grams upon failure of the main trans- Sept. 30, 1983; 50 FR 32417, Aug. 12, 1985; 51 FR mitter. 32088, Sept. 9, 1986] (2) The transmission of regular pro- grams during maintenance or modifica- § 73.1675 Auxiliary antennas. tion of the main transmitter. (a) An auxiliary antenna is one that (3) Emergency broadcast system op- is permanently installed and available eration. for use when the main antenna is out

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of service for repairs or replacement. ance with § 73.1692 in the license appli- An auxiliary antenna may be located cation. at the same transmitter site as the sta- (2) Where an AM licensee proposes to tion’s main antenna or at a separate use a former licensed main facility as site. In either case, however, the cov- an auxiliary facility with an ERP less erage area when operating with the than or equal to the ERP specified on auxiliary antenna may not extend be- the former main license, the AM sta- yond the coverage area of the main an- tion may apply to license the proposed tenna. An application for an auxiliary auxiliary facility by filing a modifica- antenna authorization filed under the tion of license application on Form 302- procedures given in paragraph (b) or (c) AM. The proposed auxiliary facilities of this section must contain a map must have been previously licensed on showing the following contours for the same frequency as the present both the main and auxiliary antenna main facility. The license application radiation: must contain an exhibit to dem- (1) AM stations: The 0.5 mv/m field onstrate compliance with § 73.1675(a). strength contours. [43 FR 53741, Nov. 17, 1978, as amended at 44 (2) FM stations: The 1.0 mv/m field FR 22740, Apr. 17, 1979; 45 FR 26066, Apr. 17, strength contours. 1980; 50 FR 13974, Apr. 9, 1985; 51 FR 32088, (3) TV stations: The Grade B coverage Sept. 9, 1986; 62 FR 51060, Sept. 30, 1997] contours. EFFECTIVE DATE NOTE: At 62 FR 51060, (b) An application for a construction Sept. 30, 1997, § 73.1675 was amended by revis- permit to install a new auxiliary an- ing paragraph (c), effective Dec. 1, 1997. For tenna, or to make changes in an exist- the convenience of the user, the superseded ing auxiliary antenna for which prior text is set forth as follows: FCC authorization is required (see § 73.1690), must be filed on FCC Form § 73.1675 Auxiliary antennas. 301 (FCC Form 340 for noncommercial educational stations). * * * * * (c)(1) Where an FM or TV licensee (c) Authority to use a formerly licensed proposes to use a formerly licensed main antenna without changes or modifica- main facility as an auxiliary facility, tions as an auxiliary antenna may be ob- or proposes to modify a presently au- tained by filing FCC Form 302. thorized auxiliary facility, and no changes in the height of the antenna § 73.1680 Emergency antennas. radiation center are required in excess (a) An emergency antenna is one that of the limits in § 73.1690(c)(1), the FM or is erected for temporary use after the TV licensee may apply for the proposed authorized main and auxiliary anten- auxiliary facility by filing a modifica- nas are damaged and cannot be used. tion of license application. The modi- (b) Prior authority from the FCC is fied auxiliary facility must operate on not required to erect and commence the same channel as the licensed main using an emergency antenna to restore facility. An exhibit must be provided program service to the public. How- with this license application to dem- ever, an informal request to continue onstrate compliance with § 73.1675(a). operation with the emergency antenna All FM and TV licensees may request a must be made to the FCC in Washing- decrease from the authorized facility’s ton, DC within 24 hours after com- ERP in the license application. An FM mencement of its use. The request is to or TV licensee may also increase the include a description of the damage to ERP of the auxiliary facility in a li- the authorized antenna, a description cense modification application, pro- of the emergency antenna, and the sta- vided the application contains an anal- tion operating power with the emer- ysis demonstrating compliance with gency antenna. the Commission’s radiofrequency radi- (1) AM stations. AM stations may use ation guidelines, and an analysis show- a horizontal or vertical wire or a non- ing that the auxiliary facility will directional vertical element of a direc- comply with § 73.1675(a). Auxiliary fa- tional antenna as an emergency an- cilities mounted on an AM antenna tenna. AM stations using an emergency tower must also demonstrate compli- nondirectional antenna or a horizontal

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or vertical wire pursuant to this sec- rections. FM and TV directional sta- tion, in lieu or authorized directional tions must also file a construction per- facilities, shall operate with power re- mit application for any move of the an- duced to 25% or less of the nominal li- tenna to another tower structure lo- censed power, or, a higher power, not cated at the same coordinates. exceeding licensed power, while insur- (3) Any change which would require ing that the radiated filed strength an increase along any azimuth in the does not exceed that authorized in any composite directional antenna pattern given azimuth for the corresponding of an FM station from the composite hours of directional operation. directional antenna pattern authorized (2) FM and TV stations. FM and TV (see § 73.316), or any increase from the stations may erect any suitable radi- authorized directional antenna pattern ator, or use operable sections of the au- for a TV station (see § 73.685). thorized antenna(s) as an emergency antenna. (4) Any change in the directional ra- (c) The FCC may prescribe the output diation characteristics of an AM direc- power, radiation limits, or other oper- tional antenna system. See § 73.45 and ating conditions when using an emer- § 73.150. gency antenna, and emergency antenna (5) Any decrease in the authorized authorizations may be modified or ter- power of an AM station or the ERP of minated in the event harmful inter- a TV station, or any decrease or in- ference is caused to other stations or crease in the ERP of an FM commer- services by the use of an emergency an- cial station, which is intended for com- tenna. pliance with the multiple ownership rules in § 73.3555. [43 FR 53741, Nov. 17, 1978, as amended at 44 FR 22740, Apr. 17, 1979; 50 FR 30948, July 31, (6) For FM noncommercial edu- 1985] cational stations, any of the following: (i) Any increase in the authorized § 73.1690 Modification of transmission maximum ERP, whether horizontally systems. or vertically polarized, for a non- The following procedures and restric- commercial educational FM station op- tions apply to licensee modifications of erating on Channels 201 through 220, or authorized broadcast transmission sys- a Class D FM station operating on tem facilities. Channel 200. (a) The following changes are prohib- (ii) For those FM noncommercial ited: educational stations on Channels 201 to (1) Those that would result in the 220, or a Class D FM station operating emission of signals outside of the au- on Channel 200, which are within the thorized channel exceeding limits pre- separation distances specified in Table scribed for the class of service. A of § 73.525 with respect to a Channel 6 (2) Those that would cause the trans- television station, any increase in the mission system to exceed the equip- horizontally or vertically polarized ment performance measurements pre- ERP from the presently authorized scribed for the class of service, (AM, ERP. § 73.44; FM, §§ 73.317, 73.319, and 73.322; TV, §§ 73.682 and 73.687). (iii) For those FM noncommercial (b) The following changes may be educational stations on Channels 201 made only after the grant of a con- through 220 which are located within struction permit application on FCC the separation distances in § 73.525 with Form 301 for commercial stations or respect to a Channel 6 television sta- Form 340 for noncommercial edu- tion, or a Class D FM station operating cational stations: on Channel 200, any decrease in the (1) Any construction of a new tower presently authorized horizontal effec- structure for broadcast purposes, ex- tive radiated power which would elimi- cept for replacement of an existing nate the horizontal ERP to result in tower with a new tower of identical use of vertical ERP only. height and geographic coordinates. (iv) For those FM noncommercial (2) Any change in station geographic educational stations which employ sep- coordinates, including coordinate cor- arate antennas for the horizontal ERP

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and the vertical ERP, mounted at dif- full authorized ERP may commence ferent heights, the station may not in- immediately upon installation pursu- crease or decrease either the horizontal ant to § 73.1620(a)(1). ERP or the vertical ERP without a (2) Replacement of a directional FM construction permit. antenna, where the measured compos- (7) Any increase in the authorized ite directional antenna pattern does ERP of a television station, FM com- not exceed the licensed composite di- mercial station, or noncommercial rectional pattern at any azimuth, educational FM station, except as pro- where no change in effective radiated vided for in §§ 73.1690(c)(4), (c)(5), or power will result, and where compli- (c)(7), or § 73.1675(c)(1) in the case of ance with the principal coverage re- auxiliary facilities. quirements of § 73.315(a) will be main- (8) A commercial TV or noncommer- tained by the measured directional pat- cial educational TV station operating tern. The antenna must be mounted on Channels 14 or Channel 69 may in- not more than 2 meters above or 4 me- crease its horizontally or vertically po- ters below the authorized values. The larized ERP only after the grant of a modification of license application on construction permit. A television sta- Form 302-FM to cover the antenna re- tion on Channels 15 through 21 within placement must contain all of the data 341 km of a cochannel land mobile op- in the following sections (i) through eration, or 225 km of a first-adjacent (v). Program test operations at one channel land mobile operation, must half (50%) power may commence imme- also obtain a construction permit be- diately upon installation pursuant to fore increasing the horizontally or ver- § 73.1620(a)(3). However, if the replace- tically polarized ERP (see part 74, ment directional antenna is an exact § 74.709(a) and (b) for tables of urban replacement (i.e., no change in manu- areas and corresponding reference co- facturer, antenna model number, AND ordinates of potentially affected land measured composite antenna pattern), mobile operations). program test operations may com- (c) The following FM and TV station mence immediately upon installation modifications may be made without at the full authorized power. prior authorization from the Commis- (i) A measured directional antenna sion. A modification of license applica- pattern and tabulation on the antenna tion must be submitted to the Commis- manufacturer’s letterhead showing sion within 10 days of commencing pro- both the horizontally and vertically gram test operations pursuant to polarized radiation components and § 73.1620. With the exception of applica- demonstrating that neither of the com- tions filed solely pursuant to Sections ponents exceeds the authorized com- (c)(6), (c)(9), or (c)(10), the modification posite antenna pattern along any azi- of license application must contain an muth. exhibit demonstrating compliance with (ii) Contour protection stations au- the Commission’s radiofrequency radi- thorized pursuant to § 73.215 or § 73.509 ation guidelines. In addition, except for must attach a showing that the RMS applications solely filed pursuant to (root mean square) of the composite Sections (c)(6) or (c)(9), where the in- measured directional antenna pattern stallation is located within 3.2 km of is 85% or more of the RMS of the au- an AM tower or is located on an AM thorized composite antenna pattern. tower, an exhibit demonstrating com- See § 73.316(c)(9). If this requirement pliance with § 73.1692 is also required. cannot be met, the licensee may in- (1) Replacement of an clude new relative field values with the omnidirectional antenna with one of license application to reduce the au- the same or different number of an- thorized composite antenna pattern so tenna bays, provided that the height of as to bring the measured composite an- the antenna radiation center is not tenna pattern into compliance with the more than 2 meters above or 4 meters 85 percent requirement. below the authorized values. Any con- (iii) A description from the manufac- current change in ERP must comply turer as to the procedures used to with § 73.1675(c)(1), 73.1690(4), (c)(5), or measure the directional antenna pat- (c)(7). Program test operations at the tern. The antenna measurements must

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be performed with the antenna mount- cation. Noncommercial educational ed on a tower, tower section, or scale FM licensees and permittees on Chan- model equivalent to that on which the nels 201 through 220, that do not use antenna will be permanently mounted, separate antennas mounted at different and the tower or tower section must heights for the horizontally polarized include transmission lines, ladders, ERP and the vertically polarized ERP, conduits, other antennas, and any and are located in excess of the separa- other installations which may affect tions from a Channel 6 television sta- the measured directional pattern. tion listed in Table A of § 73.525(a)(1), (iv) A certification from a licensed may also increase the vertical ERP, up surveyor that the antenna has been ori- to (but not exceeding) the authorized ented to the proper azimuth. horizontally polarized ERP via a li- (v) A certification from a qualified cense modification application. Pro- engineer who oversaw installation of gram test operations may commence at the directional antenna that the an- full power pursuant to § 73.1620(a)(1). tenna was installed pursuant to the (5) Those Class A FM commercial sta- manufacturer’s instructions. tions which were permitted to increase (3) A directional TV station on Chan- ERP pursuant to MM Docket No. 88–375 nels 2 through 13 or 22 through 68, or a by a modification of license application directional TV station on Channels 15 remain eligible to do so, provided that through 21 which is in excess of 341 km the station meets the requirements of (212 miles) from a cochannel land mo- § 73.1690 (c)(1) and is listed on one of the bile operation or in excess of 225 km Public Notices as authorized to in- (140 miles) from a first-adjacent chan- crease ERP, or by a letter from the nel land mobile operation (see Part 74, Commission’s staff authorizing the § 74.709(a) and (b) for tables of urban change. These Public Notices were re- areas and reference coordinates of po- leased on November 3, 1989; November tentially affected land mobile oper- 17, 1989; December 8, 1989; March 2, 1990; ations), may replace a directional TV and February 11, 1991. The increased antenna by a license modification ap- ERP must comply with the multiple plication, if the proposed horizontal ownership requirements of § 73.3555. theoretical directional antenna pattern Program test operations may com- does not exceed the licensed horizontal mence at full power pursuant to directional antenna pattern at any azi- § 73.1620(a)(1). muth and where no change in effective (6) FM contour protection stations radiated power will result. The modi- authorized pursuant to § 73.215 which fication of license application on Form have become fully spaced under § 73.207 302–TV must contain all of the data set may file a modification of license ap- forth in § 73.685(f). plication to delete the § 73.215 contour (4) Commercial and noncommercial protection designation with an exhibit educational FM stations operating on to demonstrate that the station is fully Channels 221 through 300 (except Class spaced in accordance with § 73.207. The D), NTSC TV stations operating on contour protection designation will be Channels 2 through 13 and 22 through removed upon grant of the license ap- 68, and TV stations operating on Chan- plication. Applications filed under this nels 15 through 21 that are in excess of rule section will be processed on a first 341 km (212 miles) from a cochannel come / first served basis with respect to land mobile operation or in excess of conflicting FM commercial minor 225 km (140 miles) from a first-adjacent change applications and modification channel land mobile operation [see Part of license applications (including those 74, § 74.709(a) and (b) for tables of urban filed pursuant to § 73.1690 (b) and (c)(6) areas and reference coordinates of po- and (c)(7)). tentially affected land mobile oper- (7) FM omnidirectional commercial ations], which operate stations, and omnidirectional non- omnidirectionally, may increase the commercial educational FM stations vertically polarized effective radiated operating on Channels 221 through 300 power up to the authorized hori- (except Class D), which are not des- zontally polarized effective radiated ignated as contour protection stations power in a license modification appli- pursuant to § 73.215 and which meet the

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spacing requirements of § 73.207, may and 70 dBu contours must be predicted file a license modification application by use of the standard contour pre- to increase ERP to the maximum per- diction method in § 73.313(b), (c), and mitted for the station class, provided (d). that any change in the height of the (ii) For both commercial FM and antenna radiation center remains in noncommercial educational FM sta- accordance with § 73.1690(c)(1). Program tions, the location of the main studio test operations may commence at full remains within the 70 dBu principal power pursuant to § 73.1620(a)(1). All of community contour, as required by the following conditions also must be § 73.1125, or otherwise complies with met before a station may apply pursu- that rule. The 70 dBu contour must be ant to this section: predicted by use of the standard con- (i) The station may not be a ‘‘grand- tour prediction method in § 73.313(b), fathered’’ short-spaced station author- (c), and (d). ized pursuant to § 73.213 or short-spaced (iii) For commercial FM stations by a granted waiver of § 73.207; only, there is no change in the author- (ii) If the station is located in or near ized station class as defined in § 73.211. a radio quiet zone, radio coordination (iv) For commercial FM stations zone, or a Commission monitoring sta- only, the power decrease is not nec- tion ( § 73.1030 and § 0.121(c)), the li- see essary to achieve compliance with the censee or permittee must have secured multiple ownership rule, § 73.3555. written concurrence from the affected (v) Commercial FM stations, non- radio quiet zone, radio coordination zone, or the Commission’s Compliance commercial educational FM stations and Information Bureau in the case of on Channels 221 through 300, and non- a monitoring station, to increase effec- commercial educational FM stations tive radiated power PRIOR to imple- on Channels 200 through 220 which are mentation. A copy of that concurrence located in excess of the distances in must be submitted with the license ap- Table A of § 73.525 with respect to a plication to document that concur- Channel 6 TV station, may not use this rence has been received; rule to decrease the horizontally polar- (iii) The station does not require ized ERP below the value of the verti- international coordination as the sta- cally polarized ERP. tion does not lie within the border (vi) Noncommercial educational FM zones, or clearance has been obtained stations on Channels 201 through 220 from Canada or Mexico for the higher which are within the Table A distance power operation within the station’s separations of § 73.525, or Class D sta- specified domestic class and the sta- tions on Channel 200, may not use the tion complies with § 73.207(b)(2) and (3) license modification process to elimi- with respect to foreign allotments and nate an authorized horizontally polar- allocations; ized component in favor of vertically (iv) The increased ERP will not cause polarized-only operation. In addition, the station to violate the multiple noncommercial educational stations ownership requirements of § 73.3555. operating on Channels 201 through 220, (8) FM commercial stations and FM or Class D stations on Channel 200, noncommercial educational stations which employ separate horizontally may decrease ERP on a modification of and vertically polarized antennas license application provided that ex- mounted at different heights, may not hibits are included to demonstrate that use the license modification process to all six of the following requirements increase or decrease either the hori- are met: zontal ERP or vertical ERP without a (i) Commercial FM stations must construction permit. continue to provide a 70 dBu principal (9) The licensee of an AM, FM, or TV community contour over the commu- commercial station may propose to nity of license, as required by change from commercial to non- § 73.315(a). Noncommercial educational commercial educational on a modifica- FM stations must continue to provide tion of license application, provided a 60 dBu contour over at least a portion that the application contains com- of the community of license. The 60 pleted Sections II and IV of FCC Form

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340. In addition, a noncommercial edu- § 73.1690 Modification of transmission sys- cational AM licensee, a TV licensee on tems. a channel not reserved for noncommer- cial educational use, or an FM licensee * * * * * on Channels 221 to 300 (except Class D (b) The following changes may be made FM) on a channel not reserved for non- only upon specific authority of the FCC. Ap- commercial educational use, may plications requesting authorization must be apply to change from educational to filed on FCC Form 301 for commercial sta- tions and on FCC Form 340 for noncommer- commercial via a modification of li- cial educational stations. cense application, and no exhibits are (1) Any change in the location, or direc- required with the application. The tional radiation characteristics of a direc- change will become effective upon tional antenna system. (See § 73.45 and grant of the license application. § 73.150, AM; § 73.316, FM; or § 73.685, TV.) (10) Replacement of a transmission (2) Change in the operating power from that specified on the station authorization, line with one of a different type or except as provided in paragraph (c)(4) of this length which changes the transmitter section. operating power (TPO) from the au- (3) Change in location of the main studio thorized value, but not the ERP, must to a location outside the station’s principal be reported in a license modification community contour, except as provided for application to the Commission. in § 73.1125. (c) The following FM and TV station modi- (d) The following changes may be fications may be made and operation com- made without authorization from the menced without prior authorization from the FCC, however informal notification of FCC, provided that the modifications would the changes must be made according to not possibly affect the operation of any co- the rule sections specified: located or nearby AM station. An applica- tion for license modification must be filed on (1) Change in studio location within FCC Form 302 within 10 days following com- the principal community contour. See pletion of the changes. Equipment perform- § 73.1125. ance measurements are not required for ap- (2) Commencement of remote control plications covering changes described in operation pursuant to §§ 73.1400 and paragraphs (c) (1) and (2) of this section. 73.1410. (1) Replacement of a non-directional an- tenna with one of the same or different type (3) Modification of an AM directional or number of bays, provided that the height antenna sampling system. See § 73.68. above ground of the center of radiation is (e) Any electrical and mechanical within 2 meters of that specified in the sta- modification to authorized transmit- tion authorization, the parameters are with- ting equipment that is not otherwise in that permitted by its class designation, restricted by the preceding provisions and there is no change in the maximum ef- fective radiated power. of this section, may be made without (2) Installation of a transmission line with FCC notification or authorization. one of a different type or length which re- Equipment performance measurements quires change in the transmitter output must be made within ten days after power to maintain the licensed effective ra- completing the modifications (See diated power. § 73.1590). An informal statement, dia- (3) Installation of harmonic filters, side- gram, etc., describing the modification band filters or diplexers of a different type which requires a change in the transmitter must be retained at the transmitter output power to maintain the licensed effec- site for as long as the equipment is in tive radiated power. use. (4) On or after December 1, 1989, increase in the effective radiated power of eligible Class [47 FR 8590, Mar. 1, 1982] A FM stations pursuant to MM Docket 88– EDITORIAL NOTE: For FEDERAL REGISTER 375, when such increase is effected by: citations affecting § 73.1690, see the List of (i) Replacement of a non-directional an- CFR Sections Affected in the Finding Aids tenna with another non-directional antenna section of this volume. having higher gain, provided that the height above ground of the center of radiation is EFFECTIVE DATE NOTE: At 62 FR 51060, within ±2 meters of that specified in the sta- Sept. 30, 1997, § 73.1690 was amended by revis- tion authorization; and/or ing paragraphs (b) and (c), effective Dec. 1, (ii) Increase in the power input to the an- 1997. For the convenience of the user, the su- tenna, as a result of adjustment of the trans- perseded text is set forth as follows: mitter output power, change in the type or

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length of the transmission line, and/or in- construction, the results of the partial stallation of filters or diplexers. proof of performance shall be filed with NOTE: Class A stations eligible for a power the Commission on Form 302–AM. increase pursuant to paragraph (c)(4) are (c) Tower erections or modifications those which appear on a list issued by the within 0.8 km of an AM nondirectional Commission in November 1989. tower. Prior to commencing the con- struction of tower modifications, or * * * * * the erection of a new tower, within 0.8 km of an AM nondirectional tower, the § 73.1692 Broadcast station construc- broadcast permittee or licensee is re- tion near or installation on an AM quired to notify the AM station so that broadcast tower. the AM station may commence deter- Where a broadcast licensee or per- mining operating power by the indirect mittee proposes to mount a broadcast method (see § 73.51). The broadcast li- antenna on an AM station tower, or censee or permittee shall be respon- where construction is proposed within sible for the installation and continued 0.8 km of an AM nondirectional tower maintenance of detuning apparatus or within 3.2 km of an AM directional necessary to prevent adverse effects on station, the broadcast licensee or per- the radiation pattern of the AM sta- mittee is responsible for ensuring that tion. Both prior to construction of the the construction does not adversely af- tower modifications and upon comple- fect the AM station, as follows: tion of construction, antenna imped- (a) Installations on an AM nondirec- ance measurements of the AM station tional tower. During installation of the shall be made. In addition, sufficient broadcast antenna and related equip- field strength measurements taken at a ment, the AM station shall determine minimum of 10 locations along each of operating power by the indirect meth- 8 equally spaced radials, shall be made od (see § 73.51). Upon the completion of to establish that the AM radiation pat- the installation, antenna impedance tern is essentially omnidirectional. measurements on the AM antenna Prior or simultaneously with the filing shall be made, and, prior to or simulta- of the application for license to cover neously with the filing of the license this permit, the results of the imped- application covering the broadcast sta- ance measurements and the field tion installation, an application on strength measurements shall be filed FCC Form 302–AM (including a tower with the Commission on FCC Form 302– sketch of the installation) shall be AM for the AM station to return to the filed with the Commission for the AM direct method of power determination. station to return to direct power meas- (d) Tower erections or modifications urement. within 3.2 km of an AM directional sta- (b) Installations on an AM directional tion. Prior to commencing construction array. Prior to commencing construc- of tower modifications, or the erection tion, the broadcast permittee or li- of a new tower structure, within 3.2 km censee shall notify the AM station so of an AM directional array, the broad- that, if necessary, the AM station may cast permittee or licensee shall notify determine operating power by the indi- the AM station so that, if necessary, rect method (see § 73.51) and request the AM station may determine operat- special temporary authority pursuant ing power by the indirect method (see to § 73.1635 to operate with parameters § 73.51) and request special temporary at variance in order to maintain mon- authority pursuant to § 73.1635 to oper- itoring point field strengths within au- ate with parameters at variance in thorized limits. Both prior to the com- order to maintain monitoring point mencement of construction and upon field strengths within authorized lim- completion of construction, a partial its. The broadcast licensee or permit- proof of performance (as defined by tee shall be responsible for the instal- § 73.154) shall be conducted to establish lation and continued maintenance of that the AM array has not been ad- detuning apparatus necessary to pre- versely affected. Prior to or simulta- vent adverse effects upon the radiation neously with filing of the license appli- pattern of the AM station. Both prior cation to cover the broadcast station to the commencement of construction

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and upon completion of construction, a tion would be in the public interest, partial proof of performance (as defined convenience, and necessity. by § 73.154) shall be conducted to estab- [49 FR 4211, Feb. 3, 1984] lish that the AM array has not been ad- versely affected. Prior to or simulta- § 73.1700 Broadcast day. neously with filing of the license appli- The term broadcast day means that cation to cover the broadcast station period of time between the station’s construction, the results of the partial sign-on and its sign-off. proof of performance shall be filed with the Commission on Form 302–AM. [43 FR 45849, Oct. 4, 1978] [62 FR 51062, Sept. 30, 1997] § 73.1705 Time of operation. EFFECTIVE DATE NOTE: At 62 FR 51062, (a) Commercial and noncommercial Sept. 30, 1997, § 73.1692 was added, effective educational TV and commercial FM Dec. 1, 1997. stations will be licensed for unlimited time operation. Application may be § 73.1695 Changes in transmission made for voluntary share-time oper- standards. ation. The FCC will consider the question (b) Noncommercial educational FM whether a proposed change or modifica- stations will be licensed for unlimited tion of transmission standards adopted and share time operation according to for broadcast stations would be in the the provisions of § 73.561. public interest, convenience, and ne- (c) AM stations in the 535–1705 kHz cessity, upon petition being filed by band will be licensed for unlimited the person proposing such change or time. In the 535–1605 kHz band, stations modification, setting forth the follow- that apply for share time and specified ing: hours operations may also be licensed. (a) The exact character of the change AM stations licensed to operate day- or modification proposed; time-only and limited-time may con- (b) The effect of the proposed change tinue to do so; however, no new such or modification upon all other trans- stations will be authorized, except for mission standards that have been fulltime stations that reduce operating adopted by the FCC for broadcast sta- hours to daytime-only for interference tions; reduction purposes. (c) The experimentation and field [43 FR 45849, Oct. 4, 1978, as amended at 56 FR tests that have been made to show that 64872, Dec. 12, 1991] the proposed change or modification accomplishes an improvement and is § 73.1710 Unlimited time. technically feasible; Operation is permitted 24 hours a (d) The effect of the proposed change day. or modification in the adopted stand- [43 FR 45849, Oct. 4, 1978] ards upon operation and obsolescence of receivers; § 73.1715 Share time. (1) Should a change of modification Operation is permitted by two or in the transmission standards be adopt- more broadcast stations using the ed by the FCC, the effective date there- same channel in accordance with a di- of will be determined in the light of the vision of hours mutually agreed upon considerations mentioned in this para- and considered part of their licenses. graph (d); (a) If the licenses of stations author- (2) [Reserved] ized to share time do not specify hours (e) The change in equipment required of operation, the licensees shall en- in existing broadcast stations for in- deavor to reach an agreement for a corporating the proposed change or definite schedule of periods of time to modification in the adopted standards; be used by each. Such agreement shall and be in writing and each licensee shall (f) The facts and reasons upon which file it in duplicate original with each the petitioner bases the conclusion application to the FCC in Washington, that the proposed change or modifica- DC for renewal of license. If and when

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such written agreements are properly operation according to the provisions filed in conformity with this Section, of § 73.561. the file mark of the FCC will be affixed [43 FR 45849, Oct. 4, 1978, as amended at 47 FR thereto, one copy will be retained by 40174, Sept. 13, 1982] the FCC, and one copy returned to the licensee to be posted with the station § 73.1720 Daytime. license and considered as a part there- Operation is permitted during the of. If the license specifies a propor- hours between average monthly local tionate time division, the agreement sunrise and average monthly local sun- shall maintain this proportion. If no set. proportionate time division is specified (a) The controlling times for each in the license, the licensees shall agree month of the year are stated in the sta- upon a division of time. Such division tion’s instrument of authorization. of time shall not include simultaneous Uniform sunrise and sunset times are operation of the stations unless specifi- specified for all of the days of each cally authorized by the terms of the li- month, based upon the actual times of cense. sunrise and sunset for the fifteenth day (b) If the licensees of stations author- of the month adjusted to the nearest ized to share time are unable to agree quarter hour. Sunrise and sunset times on a division of time, the FCC in Wash- are derived by using the standardized ington, DC shall be so notified by a procedure and the tables in the 1946 statement filed with the applications American Nautical Almanac issued by for renewal of licenses. Upon receipt of the United States Naval Observatory. such statement, the FCC will designate (b) [Reserved] the applications for a hearing and, [43 FR 45849, Oct. 4, 1978] pending such hearing, the operating schedule previously adhered to shall re- § 73.1725 Limited time. main in full force and effect. (a) Operation is applicable only to (c) A departure from the regular Class B (secondary) AM stations on a schedule in a time-sharing agreement clear channel with facilities authorized will be permitted only in cases where before November 30, 1959. Operation of an agreement to that effect is put in the secondary station is permitted dur- writing, is signed by the licensees of ing daytime and until local sunset if the stations affected thereby and filed located west of the Class A station on in triplicate by each licensee with the the channel, or until local sunset at FCC in Washington, DC prior to the the Class A station if located east of time of the time of the proposed that station. Operation is also per- change. If time is of the essence, the mitted during nighttime hours not actual departure in operating schedule used by the Class A station or other may precede the actual filing of writ- stations on the channel. ten agreement, provided appropriate (b) No authorization will be granted notice is sent to the FCC. for: (d) If the license of an AM station au- (1) A new limited time station; thorized to share time does not specify (2) A limited time station operating the hours of operation, the station may on a changed frequency; be operated for the transmission of reg- (3) A limited time station with a new ular programs during the experimental transmitter site materially closer to period provided an agreement thereto the 0.1 mV/m contour of a co-channel is reached with the other stations with U.S. Class A station; or which the broadcast day is shared: And (4) Modification of the operating fa- further provided, Such operation is not cilities of a limited time station result- in conflict with § 73.72 (Operating dur- ing in increased radiation toward any ing the experimental period). Time- point on the 0.1 mV/m contour of a co- sharing agreements for operation dur- channel U.S. Class A station during the ing the experimental period need not hours after local sunset in which the be submitted to the FCC. limited time station is permitted to (e) Noncommercial educational FM operate by reason of location east of stations are authorized for share time the Class A station.

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(c) The licensee of a secondary sta- § 73.1740 Minimum operating sched- tion which is authorized to operate ule. limited time and which may resume (a) All commercial broadcast sta- operation at the time the Class A sta- tions are required to operate not less tion (or stations) on the same channel than the following minimum hours: ceases operation shall, with each appli- (1) AM and FM stations. Two-thirds of cation for renewal of license, file in the total hours they are authorized to triplicate a copy of its regular operat- operate between 6 a.m. and 6 p.m. local ing schedule. It shall bear a signed no- time and two-thirds of the total hours tation by the licensee of the Class A they are authorized to operate between station of its objection or lack of ob- 6 p.m. and midnight, local time, each jection thereto. Upon approval of such day of the week except Sunday. operating schedule, the FCC will affix (i) Class D stations which have been its file mark and return one copy to authorized nighttime operations need the licensee authorized to operate lim- comply only with the minimum re- quirements for operation between 6 ited time. This shall be posted with the a.m. and 6 p.m., local time. station license and considered as a part (2) TV stations. (i) During the first 36 thereof. Departure from said operating months of operation, not less than 2 schedule will be permitted only pursu- hours daily in any 5 broadcast days per ant to § 73.1715 (Share time). calendar week and not less than a total [56 FR 64872, Dec. 12, 1991] of: (A) 12 hours per week during the first § 73.1730 Specified hours. 18 months. (B) 16 hours per week during the 19th (a) Specified hours stations must op- through 24th months. erate in accordance with the exact (C) 20 hours per week during the 25th hours specified in their license. How- through 30th months. ever, such stations, operating on local (D) 24 hours per week during the 31st channels, unless sharing time with through 36th months. other stations, may operate at hours (ii) After 36 months of operation, not beyond those specified in their licenses less than 2 hours in each day of the to carry special events programing. week and not less than a total of 28 When such programs are carried during hours per calendar week. nighttime hours, the station’s author- (iii) Visual transmissions of test pat- ized nighttime facilities must be used. terns, slides, or still pictures accom- (b) Other exceptions to the adherence panied by unrelated aural trans- to the schedule of specified hours of op- missions may not be counted in com- eration are provided in § 73.72 (Operat- puting program service (see § 73.653). ing during the experimental period), (3) ‘‘Operation’’ includes the period § 73.1250 (Broadcasting emergency infor- during which the station is operated mation) and § 73.1740 (Minimum operat- pursuant to temporary authorization ing schedule). or program tests, as well as during the license period. [43 FR 45850, Oct. 4, 1978] (4) In the event that causes beyond the control of a licensee make it im- § 73.1735 AM station operation pre- possible to adhere to the operating sunrise and post-sunset. schedule of this section or to continue Certain classes of AM stations are el- operating, the station may limit or dis- igible to operate pre-sunrise and/or continue operation for a period of not post-sunset for specified periods with more than 30 days without further au- facilities other than those specified on thority from the FCC. Notification their basic instruments of authoriza- must be sent to the FCC in Washing- tion. Such pre-sunrise and post-sunset ton, D.C. not later than the 10th day of limited or discontinued operation. Dur- operation is authorized pursuant to the ing such period, the licensee shall con- provisions of § 73.99 of the Rules. tinue to adhere to the requirements in [49 FR 41249, Oct. 22, 1984] the station license pertaining to the lighting of antenna structures. In the

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event normal operation is restored signals for any consecutive 12-month prior to the expiration of the 30 day pe- period expires as a matter of law at the riod, the licensee will so notify the end of that period, notwithstanding FCC of this date. If the causes beyond any provision, term, or condition of the the control of the licensee make it im- license to the contrary. If a licensee possible to comply within the allowed surrenders its license pursuant to an period, informal written request shall interference reduction arrangement, be made to the FCC no later than the and its surrender is contingent upon 30th day for such additional time as the grant of another application, the li- may be deemed necessary. censee surrendering the license must (b) Noncommercial educational AM identify in its notification the contin- and TV stations are not required to op- gencies involved. erate on a regular schedule and no min- [47 FR 40175, Sept. 13, 1982, as amended at 61 imum hours of operation are specified; FR 28767, June 6, 1996; 61 FR 46563, Sept. 4, but the hours of actual operation dur- 1996] ing a license period shall be taken into consideration in the renewal of non- § 73.1800 General requirements related commercial educational AM and TV to the station log. broadcast licenses. Noncommercial (a) The licensee of each station must educational FM stations are subject to maintain a station log as required by the operating schedule requirements § 73.1820. This log shall be kept by sta- according to the provisions of § 73.561. tion employees competent to do so, (c) The license of any broadcasting having actual knowledge of the facts station that fails to transmit broadcast required. All entries, whether required signals for any consecutive 12-month or not by the provisions of this part, period expires as a matter of law at the must accurately reflect the station op- end of that period, notwithstanding eration. Any employee making a log any provision, term, or condition of the entry shall sign the log, thereby attest- license to the contrary. ing to the fact that the entry, or any correction or addition made thereto, is [43 FR 45850, Oct. 4, 1978, as amended at 53 FR 1032, Jan. 15, 1988; 56 FR 64873, Dec. 12, 1991; an accurate representation of what 61 FR 28767, June 6, 1996] transpired. (b) The logs shall be kept in an or- § 73.1745 Unauthorized operation. derly and legible manner, in suitable (a) No broadcast station shall operate form and in such detail that the data at times, or with modes or power, other required for the particular class of sta- than those specified and made a part of tion concerned are readily available. the license, unless otherwise provided Key letters or abbreviations may be in this part. used if the proper meaning or expla- (b) Any unauthorized departure from nation is contained elsewhere in the an operating schedule which is required log. Each sheet must be numbered and to be filed with the FCC in Washington, dated. Time entries must be made in DC, will be considered as a violation of local time and must be indicated as ad- a material term of the license. vanced (e.g., EDT) or non-advanced (e.g., EST) time. [43 FR 45850, Oct. 4, 1978] (c) Any necessary corrections of a manually kept log after it has been § 73.1750 Discontinuance of operation. signed in accordance with paragraph The licensee of each station shall no- (a) of this section shall be made only tify the FCC in Washington, DC of per- by striking out the erroneous portion manent discontinuance of operation at and making a corrective explanation least two days before operation is dis- on the log or attachment to it. Such continued. Immediately after dis- corrections shall be dated and signed continuance of operation, the licensee by the person who kept the log or the shall forward the station license and station chief operator, the station other instruments of authorization to manager or an officer of the licensee. the FCC, Washington, DC for cancella- (d) No automatically kept log shall tion. The license of any broadcasting be altered in any way after entries station that fails to transmit broadcast have been recorded. When automatic

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logging processes fail or malfunction, (ii) Any entries not specifically re- the log must be kept manually for that quired in this section, but required by period and in accordance with the re- the instrument of authorization or quirements of this section. elsewhere in this part. (e) No log, or portion thereof, shall be (iii) An entry of each test and activa- erased, obliterated or willfully de- tion of the Emergency Alert System stroyed during the period in which it is (EAS) pursuant to the requirement of required to be retained. (Section part 11 of this chapter and the EAS Op- 73.1840, Retention of logs.) erating Handbook. Stations may keep (f) Application forms for licenses and EAS data in a special EAS log which other authorizations may require that shall be maintained at a convenient lo- certain technical operating data be cation; however, this log is considered supplied. These application forms a part of the station log. should be kept in mind in connection (2) Directional AM stations without an with the maintenance of the station FCC–approved antenna sampling system log. (See § 73.68): (i) An entry at the begin- ning of operations in each mode of op- [43 FR 45850, Oct. 4, 1978, as amended at 48 FR eration, and thereafter at intervals not 38481, Aug. 24, 1983; 48 FR 44806, Sept. 30, 1983; exceeding 3 hours, of the following (ac- 49 FR 14509, Apr. 12, 1984; 49 FR 33663, Aug. 24, 1984; 50 FR 40016, Oct. 1, 1985] tual readings observed prior to making any adjustments to the equipment and § 73.1820 Station log. an indication of any corrections to re- store parameters to normal operating (a) Entries must be made in the sta- values): tion log either manually by a person (A) Common point current. designated by the licensee who is in ac- (B) When the operating power is de- tual charge of the transmitting appara- termined by the indirect method, the tus, or by automatic devices meeting efficiency factor F and either the prod- the requirements of paragraph (b) of uct of the final amplifier input voltage this section. Indications of operating and current or the calculated antenna parameters that are required to be input power. See § 73.51(e). logged must be logged prior to any ad- (C) Antenna monitor phase or phase justment of the equipment. Where ad- deviation indications. justments are made to restore param- (D) Antenna monitor sample cur- eters to their proper operating values, rents, current ratios, or ratio deviation the corrected indications must be indications. logged and accompanied, if any param- (ii) Entries required by § 73.61 per- eter deviation was beyond a prescribed formed in accordance with the schedule tolerance, by a notation describing the specified therein. nature of the corrective action. Indica- (iii) Entries of the results of calibra- tions of all parameters whose values tion of automatic logging devices (see are affected by the modulation of the paragraph (b) of this section) or indi- carrier must be read without modula- cating instruments (see § 73.67), when- tion. The actual time of observation ever performed. must be included in each log entry. The (b) Automatic devices accurately following information must be entered: calibrated and with appropriate time, (1) All stations: (i) Entries required by date and circuit functions may be uti- § 17.49 of this chapter concerning any lized to record entries in the station observed or otherwise known extin- log Provided: guishment or improper functioning of a (1) The recording devices do not af- tower light: fect the operation of circuits or accu- (A) The nature of such extinguish- racy of indicating instruments of the ment or improper functioning. equipment being recorded; (B) The date and time the extinguish- (2) The recording devices have an ac- ment or improper operation was ob- curacy equivalent to the accuracy of served or otherwise noted. the indicating instruments; (C) The date, time and nature of ad- (3) The calibration is checked against justments, repairs or replacements the original indicators as often as nec- made. essary to ensure recording accuracy;

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(4) In the event of failure or malfunc- availability to FCC of station logs and tioning of the automatic equipment, records. the person designated by the licensee (2) Reproduction of logs, stored on as being responsible for the log small data-storage systems, to full-size cop- make the required entries in the log ies, is required of licensees if requested manually at that time; by the FCC or the public as authorized (5) The indicating equipment con- by FCC rules. Such reproductions must forms to the requirements of § 73.1215 be completed within 2 full work days of (Indicating instruments—specifica- the time of the request. tions) except that the scales need not (3) Corrections to logs shall be made: exceed 5 cm (2 inches) in length. Arbi- (i) Prior to converting to a data-stor- trary scales may not be used. age system pursuant to the require- (c) In preparing the station log, origi- ments of § 73.1800 (c) and (d), (§ 73.1800, nal data may be recorded in rough form General requirements relating to logs). and later transcribed into the log. (ii) After converting to a data-stor- [43 FR 45854, Oct. 4, 1978, as amended at 44 FR age system, by separately making such 58735, Oct. 11, 1979; 47 FR 24580, June 7, 1982; corrections and then associating with 48 FR 38481, Aug. 24, 1983; 48 FR 44806, Sept. the related data-stored logs. Such cor- 30, 1983; 49 FR 33603, Aug. 23, 1984; 58 FR 44951, rections shall contain sufficient infor- Aug. 25, 1993; 59 FR 67102, Dec. 28, 1994; 60 FR 55482, Nov. 1, 1995] mation to allow those reviewing the logs to identify where corrections have § 73.1835 Special technical records. been made, and when and by whom the corrections were made. The FCC may require a broadcast station licensee to keep operating and (4) Copies of any log required to be maintenance records as necessary to filed with any application; or placed in resolve conditions of actual or poten- the station’s local public inspection tial interference, rule violations, or de- file as part of an application; or filed ficient technical operation. with reports to the FCC must be repro- duced in fullsize form when complying [48 FR 38482, Aug. 24, 1983] with these requirements. § 73.1840 Retention of logs. [45 FR 41151, June 18, 1980, as amended at 46 FR 13907, Feb. 24, 1981; 46 FR 18557, Mar. 25, (a) Any log required to be kept by 1981; 49 FR 33663, Aug. 24, 1984] station licensees shall be retained by them for a period of 2 years. However, § 73.1870 Chief operators. logs involving communications inci- dent to a disaster or which include (a) The licensee of each AM, FM, or communications incident to or in- TV broadcast station must designate a volved in an investigation by the FCC person to serve as the station’s chief and about which the licensee has been operator. At times when the chief oper- notified, shall be retained by the li- ator is unavailable or unable to act censee until specifically authorized in (e.g., vacations, sickness), the licensee writing by the FCC to destroy them. shall designate another person as the Logs incident to or involved in any acting chief operator on a temporary claim or complaint of which the li- basis. censee has notice shall be retained by (b) Chief operators shall be employed the licensee until such claim or com- or serve on the following basis: plaint has been fully satisfied or until (1) The chief operator for an AM sta- the same has been barred by statute tion using a directional antenna or op- limiting the time for filing of suits erating with greater than 10 kW au- upon such claims. thorized power, or of a TV station is to (b) Logs may be retained on micro- be an employee of the station on duty film, microfiche or other data-storage for whatever number of hours each systems subject to the following condi- week the station licensee determines is tions: necessary to keep the station’s tech- (1) Suitable viewing—reading devices nical operation in compliance with shall be available to permit FCC in- FCC rules and the terms of the station spection of logs pursuant to § 73.1226, authorization.

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(2) Chief operators for non-direc- § 73.1910 Fairness Doctrine. tional AM stations operating with au- The Fairness Doctrine is contained in thorized powers not exceeding 10 kW section 315(a) of the Communications and FM stations may be either an em- Act of 1934, as amended, which provides ployee of the station or engaged to that broadcasters have certain obliga- serve on a contract basis for whatever number of hours each week the licensee tions to afford reasonable opportunity determines is necessary to keep the for the discussion of conflicting views station’s technical operation in com- on issues of public importance. See pliance with the FCC rules and terms FCC public notice ‘‘Fairness Doctrine of the station authorization. and the Public Interest Standards,’’ 39 FR 26372. Copies may be obtained from (3) The designation of the chief oper- the FCC upon request. ator must be in writing with a copy of the designation posted with the station [43 FR 45856, Oct. 4, 1978] license. Agreements with chief opera- tors serving on a contract basis must § 73.1920 Personal attacks. be in writing with a copy kept in the (a) When, during the presentation of station files. views on a controversial issue of public (c) The chief operator is responsible importance, an attack is made upon for completion of the following duties the honesty, character, integrity or specified in this paragraph below. When like personal qualities of an identified these duties are delegated to other per- person or group, the licensee shall, sons, the chief operator shall maintain within a reasonable time and in no supervisory oversight sufficient to event later than one week after the at- know that each requirement has been tack, transmit to the persons or group fulfilled in a timely and correct man- attacked: ner. (1) Notification of the date, time and (1) Inspections and calibrations of the identification of the broadcast; transmission system, required mon- (2) A script or tape (or an accurate itors, metering and control systems; summary if a script or tape is not and any necessary repairs or adjust- available) of the attack; and ments where indicated. (See § 73.1580.) (3) An offer of a reasonable oppor- (2) Periodic AM field monitoring tunity to respond over the licensee’s point measurements, equipment per- facilities. formance measurements, or other tests (b) The provisions of paragraph (a) of as specified in the rules or terms of the this section shall not apply to broad- station license. cast material which falls within one or (3) Review of the station records at more of the following categories: least once each week to determine if required entries are being made cor- (1) Personal attacks on foreign rectly. Additionally, verification must groups or foreign public figures; be made that the station has been oper- (2) Personal attacks occurring during ated as required by the rules or the sta- uses by legally qualified candidates. tion authorization. Upon completion of (3) Personal attacks made during the review, the chief operator or his broadcasts not included in paragraph designee must date and sign the log, (b)(2) of this section and made by le- initiate any corrective action which gally qualified candidates, their au- may be necessary, and advise the sta- thorized spokespersons, or those asso- tion licensee of any condition which is ciated with them in the campaign, on repetitive. other such candidates, their authorized (4) Any entries which may be re- spokespersons or persons associated quired in the station records. (See with the candidates in the campaign; § 73.1820.) and (4) Bona fide newscasts, bona fide [46 FR 35463, July 8, 1981, as amended at 47 FR 31580, July 21, 1982; 48 FR 38482, Aug. 24, news interviews, and on-the-spot cov- 1983; 48 FR 44806, Sept. 30, 1983; 49 FR 20670, erage of bona fide news events, includ- May 16, 1984; 49 FR 50048, Dec. 26, 1984; 50 FR ing commentary or analysis contained 32416, Aug. 12, 1985; 60 FR 55482, Nov. 1, 1995] in the foregoing programs.

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(c) The provisions of paragraph (a) of office for which he or she is a can- this section shall be applicable to edi- didate; and torials of the licensee, except in the (3) Has met the qualifications set case of noncommercial educational sta- forth in either paragraph (b), (c), (d), or tions since they are precluded from (e) of this section. editorializing (section 399(a), Commu- (b) A person seeking election to any nications Act). public office including that of Presi- dent or Vice President of the United [43 FR 45856, Oct. 4, 1978, as amended at 44 FR 45956, Aug. 6, 1979] States, or nomination for any public office except that of President or Vice § 73.1930 Political editorials. President, by means of a primary, gen- eral or special election, shall be consid- (a) Where a licensee, in an editorial, ered a legally qualified candidate if, in (1) Endorses or, addition to meeting the criteria set (2) Opposes a legally qualified can- forth in paragraph (a) of this section, didate or candidates, the licensee shall, that person: with 24 hours after the editorial, trans- (1) Has qualified for a place on the mit to, respectively, ballot; or (i) The other qualified candidate or (2) Has publicly committed himself candidates for the same office or, or herself to seeking election by the (ii) The candidate opposed in the edi- write-in method and is eligible under torial, applicable law to be voted for by stick- (A) Notification of the date and the er, by writing in his or her name on the time of the editorial, ballot or by other method, and makes a (B) A script or tape of the editorial substantial showing that he or she is a and bona fide candidate for nomination or (C) An offer of reasonable oppor- office. tunity for the candidate or a spokes- (c) A person seeking election to the man of the candidate to respond over office of President or Vice President of the licensee’s facilities. Where such the United States shall, for the pur- editorials are broadcast on the day of poses of the Communications Act and the election or within 72 hours prior to the rules in 47 CFR chapter I, be con- the day of the election, the licensee sidered legally qualified candidates shall comply with the provisions of only in those States or territories (or this paragraph sufficiently far in ad- the District of Columbia) in which they vance of the broadcast to enable the have met the requirements set forth in candidate or candidates to have a rea- paragraphs (a) and (b) of this section: sonable opportunity to prepare a re- Except, that any such person who has sponse and to present it in a timely met the requirements set forth in para- fashion. graphs (a) and (b) of this section in at (b) Inasmuch as noncommercial edu- least 10 States (or 9 and the District of cational stations may not engage in Columbia) shall be considered a legally editorializing nor may support nor op- qualified candidate for election in all pose any candidate for political office States, territories, and the District of (section 399, Communications Act), the Columbia for the purposes of this Act. provisions of paragraph (a) of this sec- (d) A person seeking nomination to tion, do not apply to such stations. any public office, except that of Presi- [43 FR 45856, Oct. 4, 1978, as amended at 47 FR dent or Vice President of the United 3791, Jan. 27, 1982; 51 FR 9965, Mar. 24, 1986] States, by means of a convention, cau- cus or similar procedure, shall be con- § 73.1940 Legally qualified candidates sidered a legally qualified candidate if, for public office. in addition to meeting the require- (a) A legally qualified candidate for ments set forth in paragraph (a) of this public office is any person who: section, that person makes a substan- (1) Has publicly announced his or her tial showing that he or she is a bona intention to run for nomination or of- fide candidate for such nomination: Ex- fice; cept, that no person shall be considered (2) Is qualified under the applicable a legally qualified candidate for nomi- local, State or Federal law to hold the nation by the means set forth in this

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paragraph prior to 90 days before the use of its facilities by any legally beginning of the convention, caucus or qualified candidate for public office, similar procedure in which he or she but if any licensee shall permit any seeks nomination. such candidate to use its facilities, it (e) A person seeking nomination for shall afford equal opportunities to all the office of President or Vice Presi- other candidates for that office to use dent of the United States shall, for the such facilities. Such licensee shall have purposes of the Communications Act no power of censorship over the mate- and the rules thereunder, be considered rial broadcast by any such candidate. a legally qualified candidate only in Appearance by a legally qualified can- those States or territories (or the Dis- didate on any: trict of Columbia) in which, in addition (1) Bona fide newscast; to meeting the requirements set forth (2) Bona fide news interview; in paragraph (a) of this section: (3) Bona fide news documentary (if (1) He or she, or proposed delegates the appearance of the candidate is inci- on his or her behalf, have qualified for dental to the presentation of the sub- the primary or Presidential preference ject or subjects covered by the news ballot in that State, territory or the documentary); or District of Columbia; or (4) On-the-spot coverage of bona fide (2) He or she has made a substantial news events (including, but not limited showing of a bona fide candidacy for to political conventions and activities such nomination in that State, terri- incidental thereto) shall not be deemed tory or the District of Columbia; ex- to be use of broadcasting station. (sec- cept, that any such person meeting the tion 315(a) of the Communications requirements set forth in paragraphs Act.) (a)(1) and (2) of this section in at least (b) Uses. As used in this section and 10 States (or 9 and the District of Co- § 73.1942, the term ‘‘use’’ means a can- lumbia) shall be considered a legally didate appearance (including by voice qualified candidate for nomination in or picture) that is not exempt under all States, territories and the District paragraphs 73.1941 (a)(1) through (a)(4) of Columbia for purposes of this Act. of this section. (f) The term ‘‘substantial showing’’ (c) Timing of request. A request for of a bona fide candidacy as used in equal opportunities must be submitted paragraphs (b), (d) and (e) of this sec- to the licensee within 1 week of the day tion means evidence that the person on which the first prior use giving rise claiming to be a candidate has engaged to the right of equal opportunities oc- to a substantial degree in activities curred: Provided, however, That where commonly associated with political the person was not a candidate at the campaigning. Such activities normally time of such first prior use, he or she would include making campaign shall submit his or her request within speeches, distributing campaign lit- 1 week of the first subsequent use after erature, issuing press releases, main- he or she has become a legally quali- taining a campaign committee, and es- fied candidate for the office in ques- tablishing campaign headquarters tion. (even though the headquarters in some (d) Burden of proof. A candidate re- instances might be the residence of the questing equal opportunities of the li- candidate or his or her campaign man- censee or complaining of noncompli- ager). Not all of the listed activities ance to the Commission shall have the are necessarily required in each case to burden of proving that he or she and demonstrate a substantial showing, his or her opponent are legally quali- and there may be activities not listed fied candidates for the same public of- herein which would contribute to such fice. a showing. (e) Discrimination between candidates. [57 FR 27708, June 22, 1992] In making time available to candidates for public office, no licensee shall make § 73.1941 Equal opportunities. any discrimination between candidates (a) General requirements. Except as in practices, regulations, facilities, or otherwise indicated in § 73.1944, no sta- services for or in connection with the tion licensee is required to permit the service rendered pursuant to this part,

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or make or give any preference to any limited to, varying levels of preemp- candidate for public office or subject tion protection, scheduling flexibility, any such candidate to any prejudice or or associated privileges, such as guar- disadvantage; nor shall any licensee anteed time-sensitive make goods. Sta- make any contract or other agreement tions may not use class distinctions to which shall have the effect of permit- defeat the purpose of the lowest unit ting any legally qualified candidate for charge requirement. All classes must any public office to broadcast to the be fully disclosed and made available exclusion of other legally qualified to candidates. candidates for the same public office. (iv) Stations may establish reason- [57 FR 208, Jan. 3, 1992, as amended at 59 FR able classes of preemptible with notice 14568, Mar. 29, 1994] time so long as they clearly define all such classes, fully disclose them and § 73.1942 Candidate rates. make available to candidates. (a) Charges for use of stations. The (v) Stations may treat non- charges, if any, made for the use of any preemptible and fixed position as dis- broadcasting station by any person tinct classes of time provided that sta- who is a legally qualified candidate for tions articulate clearly the differences any public office in connection with his between such classes, fully disclose or her campaign for nomination for them, and make them available to can- election, or election, to such office didates. shall not exceed: (vi) Stations shall not establish a (1) During the 45 days preceding the separate, premium-period class of time date of a primary or primary runoff sold only to candidates. Stations may election and during the 60 days preced- sell higher-priced non-preemptible or ing the date of a general or special fixed time to candidates if such a class election in which such person is a can- of time is made available on a bona fide didate, the lowest unit charge of the basis to both candidates and commer- station for the same class and amount cial advertisers, and provided such of time for the same period. class is not functionally equivalent to (i) A candidate shall be charged no any lower-priced class of time sold to more per unit than the station charges commercial advertisers. its most favored commercial advertis- ers for the same classes and amounts of (vii) [Reserved] time for the same periods. Any station (viii) Lowest unit charge may be cal- practices offered to commercial adver- culated on a weekly basis with respect tisers that enhance the value of adver- to time that is sold on a weekly basis, tising spots must be disclosed and such as rotations through particular made available to candidates on equal programs or dayparts. Stations elect- terms. Such practices include but are ing to calculate the lowest unit charge not limited to any discount privileges by such a method must include in that that affect the value of advertising, calculation all rates for all announce- such as bonus spots, time-sensitive ments scheduled in the rotation, in- make goods, preemption priorities, or cluding announcements aired under any other factors that enhance the long-term advertising contracts. Sta- value of the announcement. tions may implement rate increases (ii) The Commission recognizes non- during election periods only to the ex- premptible, preemptible with notice, tent that such increases constitute immediately preemptible and run-of- ‘‘ordinary business practices,’’ such as schedule as distinct classes of time. seasonal program changes or changes (iii) Stations may establish and de- in audience ratings. fine their own reasonable classes of im- (ix) Stations shall review their adver- mediately preemptible time so long as tising records periodically throughout the differences between such classes the election period to determine are based on one or more demonstrable whether compliance with this section benefits associated with each class and requires that candidates receive re- are not based solely upon price or iden- bates or credits. Where necessary, sta- tity of the advertiser. Such demon- tions shall issue such rebates or credits strable benefits include, but are not promptly.

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(x) Unit rates charged as part of any (b) If a station permits a candidate to package, whether individually nego- use its facilities, the station shall tiated or generally available to all ad- make all discount privileges offered to vertisers, must be included in the low- commercial advertisers, including the est unit charge calculation for the lowest unit charges for each class and same class and length of time in the length of time in the same time period, same time period. A candidate cannot and all corresponding discount privi- be required to purchase advertising in leges, available upon equal terms to all every program or daypart in a package candidates. This duty includes an af- as a condition for obtaining package firmative duty to disclose to can- unit rates. didates information about rates, terms (xi) Stations are not required to in- conditions and all value-enhancing dis- clude non-cash promotional mer- count privileges offered to commercial chandising incentives in lowest unit advertisers. Stations may use reason- charge calculations; provided, however, able discretion in making the disclo- that all such incentives must be offered sure; provided, however, that the dis- to candidates as part of any purchases closure includes, at a minimum, the permitted by the licensee. Bonus spots, following information: however, must be included in the cal- (1) A description and definition of culation of the lowest unit charge cal- each class of time available to com- culation. mercial advertisers sufficiently com- (xii) Makes goods, defined as the re- plete to allow candidates to identify scheduling of preempted advertising, shall be provided to candidates prior to and understand what specific at- election day if a station has provided a tributes differentiate each class; time-sensitive make good during the (2) A description of the lowest unit year preceding the pre-election periods, charge and related privileges (such as perspectively set forth in paragraph priorities against preemption and (a)(1) of this section, to any commer- make goods prior to specific deadlines) cial advertiser who purchased time in for each class of time offered to com- the same class. mercial advertisers; (xiii) Stations must disclose and (3) A description of the station’s make available to candidates any method of selling preemptible time make good policies provided to com- based upon advertiser demand, com- mercial advertisers. If a station places monly known as the ‘‘current selling a make good for any commercial adver- level,’’ with the stipulation that can- tiser or other candidate in a more valu- didates will be able to purchase at able program or daypart, the value of these demand-generated rates in the such make good must be included in same manner as commercial advertis- the calculation of the lowest unit ers; charge for that program or daypart. (4) An approximation of the likeli- (2) At any time other than the re- hood of preemption for each kind of spective periods set forth in paragraph preemptible time; and (a)(1) of this section, stations may (5) An explanation of the station’s charge legally qualified candidates for sales practices, if any, that are based public office no more than the changes on audience delivery, with the stipula- made for comparable use of the station tion that candidates will be able to by commercial advertisers. The rates, purchase this kind of time, if available if any, charged all such candidates for to commercial advertisers. the same office shall be uniform and (c) Once disclosure is made, stations shall not be rebated by any means, di- shall negotiate in good faith to actu- rect or indirect. A candidate shall be ally sell time to candidates in accord- charged no more than the rate the sta- ance with the disclosure. tion would charge for comparable com- (d) This rule (§ 73.1942) shall not apply mercial advertising. All discount privi- leges otherwise offered by a station to to any station licensed for non-com- commercial advertisers must be dis- mercial operation. closed and made available upon equal [57 FR 209, Jan. 3, 1992, as amended at 57 FR terms to all candidate for public office. 27709, June 22, 1992]

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§ 73.1943 Political file. part) to all qualified persons, and no (a) Every licensee shall keep and per- person shall be discriminated against mit public inspection of a complete and in employment by such stations be- orderly record (political file) of all re- cause of race, color, religion, national quests for broadcast time made by or origin, or sex. on behalf of a candidate for public of- (b) EEO program. Each broadcast sta- fice, together with an appropriate no- tion shall establish, maintain, and tation showing the disposition made by carry out a positive continuing pro- the licensee of such requests, and the gram of specific practices designed to charges made, if any, if the request is ensure equal opportunity in every as- granted. The ‘‘disposition’’ includes the pect of station employment policy and schedule of time purchased, when spots practice. Under the terms of its pro- actually aired, the rates charged, and gram, a station shall: the classes of time purchased. (1) Define the responsibility of each (b) When free time is provided for use level of management to ensure a posi- by or on behalf of candidates, a record tive application and vigorous enforce- of the free time provided shall be ment of its policy of equal opportunity, placed in the political file. and establish a procedure to review and (c) All records required by this para- control managerial and supervisory graph shall be placed in the political performance; file as soon as possible and shall be re- (2) Inform its employees and recog- tained for a period of two years. As nized employee organizations of the soon as possible means immediately positive equal employment oppor- absent unusual circumstances. tunity policy and program and enlist [57 FR 210, Jan. 3, 1992] their cooperation; (3) Communicate its equal employ- § 73.1944 Reasonable access. ment opportunity policy and program (a) Section 312(a)(7) of the Commu- and its employment needs to sources of nications Act provides that the Com- qualified applicants without regard to mission may revoke any station license race, color, religion, national origin, or or construction permit for willful or re- sex, and solicit their recruitment as- peated failure to allow reasonable ac- sistance on a continuing basis; cess to, or to permit purchase of, rea- (4) Conduct a continuing program to sonable amounts of time for the use of exclude all unlawful forms of prejudice a broadcasting station by a legally or discrimination based upon race, qualified candidate for Federal elective color, religion, national origin, or sex office on behalf of his candidacy. from its personnel policies and prac- (b) Weekend Access. For purposes of tices and working conditions; and providing reasonable access, a licensee (5) Conduct a continuing review of shall make its facilities available for job structure and employment prac- use by federal candidates on the week- tices and adopt positive recruitment, end before the election if the licensee job design, and other measures needed has provided similar access to commer- to ensure genuine equality of oppor- cial advertisers during the year preced- tunity to participate fully in all orga- ing the relevant election period. Li- nizational units, occupations, and lev- censees shall not discriminate between els of responsibility. candidates with regard to weekend ac- (c) EEO program requirements. A cess. broadcast station’s equal employment [57 FR 210, Jan. 3, 1992] opportunity program should reason- ably address itself to the specific areas § 73.2080 Equal employment opportu- set forth below, to the extent possible, nities. and to the extent that they are appro- (a) General EEO policy. Equal oppor- priate in terms of the station’s size, lo- tunity in employment shall be afforded cation, etc.: by all licensees or permittees of com- (1) Disseminate its equal opportunity mercially or noncommercially oper- program to job applicants and employ- ated AM, FM, TV, or international ees. For example, this requirement broadcast stations (as defined in this may be met by:

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(i) Posting notices in the station’s of- cruitment area. For example, this re- fice and other places of employment, quirement may be met by: informing employees, and applicants (i) Comparing the composition of the for employment, of their equal employ- relevant labor area with composition of ment opportunity rights. Where it is the station’s workforce; appropriate, such equal employment (ii) Where there is underrepresenta- opportunity notices should be posted in tion of either minorities and/or women, languages other than English; examining the company’s personnel (ii) Placing a notice in bold type on policies and practices to assure that the employment application informing they do not inadvertently screen out prospective employees that discrimina- any group and take appropriate action tion because of race, color, religion, where necessary. Data on representa- national origin, or sex is prohibited; tion of minorities and women in the (iii) Seeking the cooperation of labor available labor force are generally unions, if represented at the station, in available on a metropolitan statistical the implementation of its EEO pro- area (MSA) or county basis. gram and the inclusion of non-dis- (4) Undertake to offer promotions of crimination provisions in union con- qualified minorities and women in a tracts; nondiscriminatory fashion to positions (iv) Utilizing media for recruitment of greater responsibility. For example, purposes in a manner that will contain this requirement may be met by: no indication, either explicit or im- (i) Instructing those who make deci- plicit, of a preference for one sex over sions on placement and promotion that another and that can be reasonably ex- qualified minority employees and fe- pected to reach minorities and women. males are to be considered without dis- (2) Use minority organizations, orga- crimination, and that job areas in nizations for women, media, edu- which there is little or no minority or cational institutions, and other poten- female representation should be re- tial sources of minority and female ap- viewed; plicants, to supply referrals whenever (ii) Giving qualified minority and fe- job vacancies are available in its oper- male employees equal opportunity for ation. For example, this requirement positions which lead to higher posi- may be met by: tions. Inquiring as to the interest and (i) Placing employment advertise- skills of all lower paid employees with ments in media that have significant respect to any of the higher paid posi- circulation among minorities residing tions. and/or working in the recruiting area; (5) Analyze its efforts to recruit, hire, (ii) Recruiting through schools and and promote minorities and women and colleges, including those located in the address any difficulties encountered in station’s local area, with significant implementing its equal employment minority-group enrollments; opportunity program. For example, (iii) Contacting, both orally and in this requirement may be met by: writing, minority and human relations (i) Avoiding use of selection tech- organizations, leaders, and spokesmen niques or tests that have the effect of and spokeswomen to encourage referral discriminating against qualified minor- of qualified minority or female appli- ity groups or females; cants; (ii) Reviewing seniority practices to (iv) Encouraging current employees ensure that such practices are non- to refer minority or female applicants; discriminatory; (v) Making known to recruitment (iii) Examining rates of pay and sources in the employer’s immediate fringe benefits for employees having area that qualified minority members the same duties, and eliminating any and females are being sought for con- inequities based upon race or sex dis- sideration whenever you hire and that crimination. all candidates will be considered on a (d) Mid-term review for television broad- nondiscriminatory basis. cast stations. The Commission will con- (3) Evaluate its employment profile duct a mid-term review of the employ- and job turnover against the availabil- ment practices of each broadcast tele- ity of minorities and women in its re- vision station at two and one half

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years following the station’s most re- Form num- Title cent license expiration date as speci- ber fied in § 73.1020. The Commission will 316 ...... Application for Consent to Assignment of Broad- use the employment profile informa- cast Station Construction Permit or License or tion provided on the first two Form Transfer of Control of Corporation Holding Broadcast Station Construction Permit or Li- 395–B reports submitted following such cense. license expiration date to determine 323 ...... Ownership Report. whether television station’s employ- 323±E ...... Ownership Report for Noncommercial Edu- cational Broadcast Station. ment profiles as compared to the appli- 330 ...... Application for authorization to construct new or cable labor force data, are in compli- make changes in Instructional TV Fixed and/ ance with the Commission’s processing or Response Stations, or to assign or transfer criteria. Television broadcast stations such stations. 330±L ...... Application for Instructional Television Fixed which employment profiles fall below Station License. the processing criteria will receive a 330±R ...... Application for Renewal of Instructional TV letter noting any necessary improve- Fixed Station and/or Response Station(s) and Low Power Relay Station(s) License. ments identified as a result of the re- 340 ...... Application for Authority to Construct or Make view. Changes in a Noncommercial Educational Broadcast Station. [52 FR 26684, July 16, 1987, as amended at 58 345 ...... Application for Consent to Assignment of a TV FR 42249, Aug. 9, 1993] or FM Translator Station Construction Permit or License. § 73.3500 Application and report forms. 346 ...... Application for Authority to Construct or Make Changes in a Low Power TV, TV Translator Following are the FCC broadcast ap- or TV Booster Station. plication and report forms, listed by 347 ...... Application for a Low Power TV, TV Translator number. or TV Booster Station License. 349 ...... Application for Authority to Construct or Make Changes in an FM Translator or FM Booster Form num- ber Title Station. 350 ...... Application for an FM Translator or FM Booster 301 ...... Application for Authority to Construct or Make Station License. Changes in a Commercial Broadcast Station. 395±B ...... Annual Employment Report and instructions. 301±A ...... Application for Authority to Operate a Broadcast 396 ...... Broadcast Equal Employment Opportunity Pro- Station by Remote Control or to Make gram Report. Changes in a Remote Control Authorization. 396±A ...... Broadcast Equal Employment Opportunity 302±AM ... Application for AM Broadcast Station License. Model Program Report. 302±FM .... Application for FM Broadcast Station License. 398 ...... Children's Television Programming Report. 302±TV .... Application for Television Broadcast Station Li- cense. 303±S Ap- [44 FR 38486, July 2, 1979] plication EDITORIAL NOTE: For FEDERAL REGISTER for Re- citations affecting § 73.3500, see the List of newal of License CFR Sections Affected in the Finding Aids for AM, section of this volume. FM, TV, EFFECTIVE DATE NOTES: 1. At 61 FR 43998, Trans- lator, or Aug. 27, 1996, in § 73.3500, the table was LPTV amended by adding entry ‘‘398’’ in numerical Station. order, effective either Jan. 2, 1997 or after ap- 307 ...... Application for Extension of Broadcast Con- proval has been given by the Office of Man- struction Permit or to Replace Expired Con- agement and Budget, whichever comes later. struction Permit. 2. At 62 FR 51063, Sept. 3, 1997, § 73.3500 was 308 ...... Application for Permit to Deliver Programs to amended by removing the entroy for ‘‘Form Foreign Broadcast Stations. 309 ...... Application for Authority to Construct or Make 302’’ and inserting the entries ‘‘Form 302– Changes in an International or Experimental AM’’ and ‘‘Form 302–TV’’, effective Dec. 1, Broadcast Station. 1997. 310 ...... Application for an International or Experimental Broadcast Station License. § 73.3511 Applications required. 311 ...... Application for Renewal of an International or Experimental Broadcast Station License. (a) Formal application means any re- 313 ...... Application for Authorization in the Auxiliary quest for authorization where an FCC Broadcast Services. form for such request is prescribed. The 313±R ...... Application for Renewal of Auxiliary Broadcast License (Short Form). prescription of an FCC form includes 314 ...... Application for Consent to Assignment of Broad- the requirement that the proper edi- cast Station Construction Permit or License. tion of the form is used. Formal appli- 315 ...... Application for Consent to Transfer of Control of Corporation Holding Broadcast Station Con- cations on obsolete forms are subject struction Permit or License. to the provisions of § 73.3564 concerning

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acceptance of applications and § 73.3566 absence from the United States. The concerning defective applications. attorney shall in that event separately (b) Informal application1 means all set forth the reason why the applica- other written requests for authoriza- tion is not signed by the applicant. In tion. All such applications should con- addition, if any matter is stated on the tain a caption clearly indicating the basis of the attorney’s belief only nature of the request submitted there- (rather than his knowledge), he shall in. separately set forth his reasons for be- (c) Formal and informal applications lieving that such statements are true. must comply with the requirements as (c) Only the original of applications, to signing specified herein and in amendments, or related statements of § 73.3513. fact, need be signed; copies may be con- formed. [44 FR 38486, July 2, 1979, as amended at 47 FR 40172, Sept. 13, 1982] (d) Applications, amendments, and related statements of fact need not be § 73.3512 Where to file; number of cop- submitted under oath. Willful false ies. statements made therein however, will All applications for authorizations be considered a violation of § 73.1015, required by § 73.3511 shall be filed at the are also punishable by fine and impris- FCC in Washington, DC (Applications onment, U.S. Code, Title 18, section requiring fees as set forth at Part 1, 1001, and by appropriate adminstrative Subpart G of this chapter must be filed sanctions including revocation of sta- in accordance with § 0.401(b) of the tion license pursuant to section rules.) The number of copies required 312(a)(i) of the Communications Act. for each application is set forth in the [44 FR 38487, July 2, 1979, as amended at 51 FCC Form which is to be used in filing FR 3069, Jan. 23, 1986] such application. § 73.3514 Content of applications. [52 FR 10231, Mar. 31, 1987] (a) Each application shall include all § 73.3513 Signing of applications. information called for by the particu- lar form on which the application is re- (a) Applications, amendments there- quired to be filed, unless the informa- to, and related statements of fact re- tion called for is inapplicable, in which quired by the FCC must be signed by case this fact shall be indicated. the following persons: (b) The FCC may require an applicant (1) Individual Applicant. The appli- to submit such documents and written cant, if the applicant is an individual. statements of fact as in its judgment (2) One of the partners, if Partnership. may be necessary. The FCC may also, the applicant is a partnership. upon its own motion or upon motion of (3) An officer, if the ap- Corporation. any party to a proceeding, order the plicant is a corporation. applicant to amend the application so (4) A Unincorporated Association. as to make it more definite and cer- member who is an officer, if the appli- tain. cant is an unincorporated association. (5) Governmental Entity. Such duly [44 FR 38487, July 2, 1979] elected or appointed officials as may be competent to do so under the law of § 73.3516 Specification of facilities. the applicable jurisdiction, if the appli- (a) An application for facilities in the cant is an eligible governmental en- AM, FM, or TV broadcast services or tity, such as a State or Territory of the low power TV service shall be limited United States and political subdivi- to one frequency, or channel, and no sions thereof, the District of Columbia, application will be accepted for filing if and a unit of local government, includ- it requests an alternate frequency or ing an unincorporated municipality. channel. Applications specifying split (b) Applications, amendments there- frequency AM operations using one fre- to, and related statements of fact re- quency during daytime hours com- quired by the FCC may be signed by plemented by a different frequency the applicant’s attorney in case of the during nighttime hours will not be ac- applicant’s physical disability or of his cepted for filing.

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(b) An application for facilities in the close of business of the first full busi- experimental and auxiliary broadcast ness day thereafter. services may request the assignment of (3) The dates when the licenses of all more than one frequency if consistent broadcast and broadcast auxiliary serv- with applicable rules in Part 74. Such ices regularly expire are listed in applications must specify the fre- §§ 73.733, 73.1020 and 74.15. quency or frequencies requested and [44 FR 38487, July 2, 1979, as amended at 47 may not request alternate frequencies. FR 21494, May 18, 1982; 49 FR 47843, Dec. 7, (c) An application for a construction 1984; 51 FR 44071, Dec. 8, 1986; 56 FR 64873, permit for a new broadcast station, the Dec. 12, 1991; 61 FR 18291, Apr. 25, 1996] facilities for which are specified in an outstanding construction permit or li- § 73.3517 Contingent applications. cense, will not be accepted for filing. Contingent applications for new sta- (d) An application for facilities in the tions and for changes in facilities of ex- International broadcast service may be isting stations are not acceptable for filed without a request for specific fre- filing. Contingent applications will be quency, as the FCC will assign fre- accepted for filing under circumstances quencies from time to time in accord- described below: ance with §§ 73.702 and 73.711. (a) Upon filing of an application for (e) An application for construction the assignment of a license or con- permit for a new broadcast station or struction permit, or for a transfer of for modification of construction permit control of a licensee or permittee, the or license of a previously authorized proposed assignee or transferee may, upon payment of the processing fee broadcast station will not be accepted prescribed in Subpart G, Part 1 of this for filing if it is mutually exclusive chapter, file applications in its own with an application for renewal of li- name for authorization to make cense of an existing broadcast station changes in the facilities to be assigned unless the application for renewal of li- or transferred contingent upon ap- cense is filed on or before May 1, 1995 proval and consummation of the as- and unless the mutually exclusive con- signment or transfer. Any application struction permit application is ten- filed pursuant to this paragraph must dered for filing by the end of the first be accompanied by a written statement day of the last full calendar month of from the existing licensee which spe- the expiring license term. A petition to cifically grants permission to the as- deny an application for renewal of li- signee or permittee to file such appli- cense of an existing broadcast station cation. The processing fee will not be will be considered as timely filed if it refundable should the assignment or is tendered for filing by the end of the transfer not be approved. The existing first day of the last full calendar licensee or permittee may also file a month of the expiring license term. contingent application in its own (1) If the license renewal application name, but fees in such cases also not is not timely filed as prescribed in refundable. § 73.3539, the deadline for filing peti- (b) Whenever the FCC determines tions to deny thereto is the 90th day that processing of any application filed after the FCC gives public notice that pursuant to paragraph (a) of this sec- it has accepted the late-filed renewal tion, would be contrary to sound ad- application for filing. In the case of a ministrative practice or would impose renewal application filed on or before an unwarranted burden on its staff and May 1, 1995, if the license renewal ap- resources, the FCC may defer process- plication is not timely filed as pre- ing of such application until the as- scribed in § 73.3539, the deadline for fil- signment or transfer has been granted ing applications mutually exclusive and consummated. therewith is the 90th day after the FCC (c) Upon payment of the filing fees gives public notice that it has accepted prescribed in § 1.1111 of this chapter, the late-filed renewal application for the Commission will accept two or filing. more applications filed by existing AM (2) If any deadline falls on a non- licensees for modification of facilities business day, the cutoff shall be the that are contingent upon granting of

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both, if granting such contingent appli- (b) Where an appeal has been taken cations will reduce interference to one from the action of the FCC in denying or more AM stations or will otherwise a particular application, another appli- increase the area of interference-free cation for the same class of broadcast service. The applications must state station and for the same area, in whole that they are filed pursuant to an in- or in part, filed by the same applicant, terference reduction arrangement and or his successor or assignee, or on be- must cross-reference all other contin- half of, or for the benefit of the origi- gent applications. nal parties in interest, will not be con- (d) Modified proposals curing con- sidered until final disposition of such flicts between mutually exclusive clus- appeal. ters of applications filed in accordance [44 FR 38488, July 2, 1979] with paragraphs (c) of this section will be accepted for 60 days following issu- § 73.3520 Multiple applications. ance of a public notice identifying such Where there is one application for conflicts. new or additional facilities pending, no NOTE 1: No application to move to a fre- other application for new or additional quency in the 1605–1705 kHz band may be part facilities for a station of the same class of any package of contingent applications to serve the same community may be associated with a voluntary agreement. filed by the same applicant, or succes- NOTE 2: In cases where no modified pro- sor or assignee, or on behalf of, or for posal is filed pursuant to paragraph (d) of the benefit of the original parties in in- this section, the Commission will grant the terest. Multiple applications may not application resulting in the greatest net in- be filed simultaneously. terference reduction. [44 FR 38488, July 2, 1979] [44 FR 38487, July 2, 1979, as amended at 45 FR 41152, June 18, 1980; 52 FR 5294, Feb. 20, § 73.3521 Mutually exclusive applica- 1987; 53 FR 36787, Sept. 22, 1988; 56 FR 64873, tions for low power television, tele- Dec. 12, 1991] vision translators and television booster stations. § 73.3518 Inconsistent or conflicting applications. When there is a pending application for a new low power television, tele- While an application is pending and vision translator, or television booster undecided, no subsequent inconsistent station, or for major changes in an ex- or conflicting application may be filed isting station, no other application by or on behalf of or for the benefit of which would be directly mutually ex- the same applicant, successor or as- clusive with the pending application signee. may be filed by the same applicant or [44 FR 38487, July 2, 1979] by any applicant in which any individ- ual in common with the pending appli- § 73.3519 Repetitious applications. cation has any interest, direct or indi- rect, except that interests or less than (a) Where the FCC has denied an ap- 1% will not be considered. plication for a new station or for any modification of services or facilities, or [52 FR 31400, Aug. 20, 1987] dismissed such application with preju- dice, no like application involving § 73.3522 Amendment of applications. service of the same kind for substan- (a) Predesignation amendment. (1) Sub- tially the same area by substantially ject to the provisions of §§ 73.3525, the same applicant, or his successor or 73.3571, 73.3572, 73.3573, and 73.3580, and assignee, or on behalf or for the benefit except as provided in paragraph (a)(2) of the original parties in interest, may of this section, any application, other be filed within 12 months from the ef- than an application for a low power fective date of the FCC’s action. How- TV, TV translator, TV booster or a ever, applicants whose applications nonreserved band FM station may be have been denied in a comparative amended as a matter of right prior to hearing may apply immediately for an- the adoption date of an order designat- other available facility. ing such applications for hearings,

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merely by filing the appropriate num- be amended as a matter of right during ber of copies of the amendments in the appropriate window filing period question duly executed in accordance pursuant to § 73.3564(d). For a period of with § 73.3513. If a petition to deny (or 30 days following the FCC’s issuance of to designate for hearing) has been filed, a Public Notice announcing the tender the amendment shall be served on the of the application, minor amendments petitioner. may be filed as a matter of right. For (2) Subject to the provisions of applications received on or after Au- §§ 73.3525, 73.3571, 73.3572, 73.3573 and gust 7, 1992, an applicant whose appli- 73.3580, and except for applications for cation is found to meet minimum filing low power TV, TV translator, TV requirements but nevertheless is not booster or non-reserved band FM sta- complete and acceptable shall have the tions, mutually exclusive broadcast ap- opportunity in the 30-day period speci- plications may be amended as a matter fied in the FCC staff’s deficiency letter of right by the date specified (not less to correct all deficiencies in the than 30 days after issuance) in the tenderability and acceptability of the FCC’s Public Notice announcing the underlying application, including any acceptance for filing of the last-filed deficiency not specifically identified by mutually exclusive application. Subse- the staff. [For minimum filing require- quent amendments prior to designation ments see § 73.3564(a). Examples of ten- of the proceeding for hearing will be der defects appear at 50 FR 19936 at considered only upon a showing of good 19945–46 (May 13, 1985), reprinted as Ap- cause for late filing or pursuant to pendix D, Report and Order, MM Docket § 1.65 or § 73.3514. Unauthorized or un- No. Docket No. 91–347, 7 FCC Red 5074, timely amendments are subject to re- 5083–88 (1992). For examples of accept- turn by the FCC’s staff without consid- eration. ance defects see 49 FR 47331.] Prior to (3) Subject to the provisions of the end of the period specified in the §§ 73.3525, 73.3572 and 73.3580, any appli- deficiency letter, a submission seeking cation for a low power TV, TV trans- to correct a tender and/or acceptance lator or TV booster station may be defect in an application meeting mini- amended as a matter of right during mum filing requirements will be treat- the application window filing period ed as an amendment for good cause if it pursuant to § 73.3564(d). If it is deter- would successfully and directly correct mined that a low power TV, TV trans- the defect. Other amendments prior to lator or TV booster application is sub- designation for hearing or grant will be stantially complete but contains some considered only upon a showing of good defect(s) or omission(s), a deficiency cause for late filing or pursuant to letter will be issued affording the ap- § 1.65 or § 73.3514. Unauthorized or un- plicant 30 days to correct the defect. timely amendments are subject to re- (4) No applicant for a low power TV, turn by the Commission without con- TV translator or TV booster station sideration. However, an amendment to which is mutually exclusive can im- a non-reserved band application will prove its status with respect to § 1.1622 not be accepted after the close of the by amendment of its application subse- appropriate filing window if the effect quent to the release of the initial Pub- of such amendment is to alter the pro- lic Notice announcing the public lot- posed facility’s coverage area so as to tery that will resolve the applicant’s produce a conflict with an applicant mutual exclusivity pursuant to § 1.1601 who files subsequent to the initial ap- et seq., not withstanding the require- plicant but prior to the amendment ap- ments of § 1.65. plication. Similarly, an applicant sub- (5) Paragraphs (b) and (c) of this sec- ject to ‘‘first come/first serve’’ process- tion are not applicable to applications ing will not be permitted to amend its for low power TV, TV translator, or TV application and retain filing priority if booster stations. the result of such amendment is to (6) Subject to the provisions of alter the facility’s coverage area so as § 73.3525, 73.3573, and 73.3580, applica- to produce a conflict with an applicant tions for non-reserved band FM sta- who files subsequent to the initial ap- tions (other than Class D stations) may plicant but prior to the amendment.

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(b) Postdesignation amendment. (1) Ex- matter of right for all applicants in the cept as provided in paragraph (b)(2) of group. this section, requests to amend an ap- [44 FR 38488, July 2, 1979, as amended at 44 plication after it has been designated FR 40311, July 10, 1979; 51 FR 19347, May 29, for hearing will be considered only 1986; 52 FR 31400, Aug. 20, 1987; 53 FR 26074, upon written petition properly served July 11, 1988; 57 FR 34878, Aug. 7, 1992; 58 FR upon the parties of record in accord- 51250, Oct. 1, 1993; 59 FR 31556, June 20, 1994] ance with § 1.47 and, where applicable, § 73.3523 Dismissal of applications in compliance with the provisions of renewal proceedings. § 73.3525, and will be considered only upon a showing of good cause for late (a) An applicant for construction per- filing. In the case of requests to amend mit, that has filed an application that the engineering proposal (other than to is mutually exclusive with an applica- make changes with respect to the type tion for renewal of a license of an AM, of equipment specified), good cause will FM or television station (hereinafter be considered to have been shown only competing applicant’’) filed on or be- if, in addition to the usual good cause fore May 1, 1995, and seeks to dismiss consideration, it is demonstrated: or withdraw its application and there- by remove a conflict between applica- (i) That the amendment is neces- tions pending before the Commission, sitated by events which the applicant must obtain the approval of the Com- could not reasonably have foreseen mission. (e.g., notification of a new foreign sta- tion or loss of transmitter site by con- (b) If a competing applicant seeks to dismiss or withdraw its application demnation); and prior to the Initial Decision stage of (ii) That the amendment does not re- the hearing on its application, it must quire an enlargement of issues or the submit to the Commission a request for addition of new parties to the proceed- approval of the dismissal or withdrawal ing. of its application, a copy of any writ- (2) In comparative broadcast cases ten agreement related to the dismissal (including comparative renewal pro- or withdrawal of its application, and an ceedings), amendments relating to is- affidavit setting forth: sues first raised in the designation (1) A certification that neither the order may be filed as a matter of right applicant nor its principals has re- within 30 days after that Order or a ceived or will receive any money or summary thereof is published in the other consideration in exchange for FEDERAL REGISTER, or by a date cer- dismissing or withdrawing its applica- tain to be specified in the Order. tion; (c) Notwithstanding the provisions of (2) A statement that its application paragraph (b) of this section, and sub- was not filed for the purpose of reach- ject to compliance with the provisions ing or carrying out an agreement with of § 73.3525, a petition for leave to any other applicant regarding the dis- amend may be granted, provided it is missal or withdrawal of its application; requested that the application as and amended be removed from the hearing (3) The terms of any oral agreement docket and returned to the processing relating to the dismissal or withdrawal line. See § 73.3571. of its application. NOTE 1: When two or more broadcast appli- In addition, within 5 days of the appli- cations are tendered for filing which are mu- cant’s request for approval, each re- tually exclusive with each other but not in maining competing applicant and the conflict with any previously filed applica- renewal applicant must submit an affi- tions which have been accepted for filing, the davit setting forth: FCC, where appropriate, will announce ac- ceptance of the earliest tendered application (4) A certification that neither the and place the later filed application or appli- applicant nor its principals has paid or cations on a subsequent public notice of ac- will pay any money or other consider- ceptance for filing in order to establish a ation in exchange for the dismissal or deadline for the filing of amendments as a withdrawal of the application; and

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(5) The terms of any oral agreement the time an application is filed with relating to the dismissal or withdrawal Commission until an order of the Com- of the application. mission granting or denying the appli- (c) If a competing applicant seeks to cation is no longer subject to reconsid- dismiss or withdraw its application eration by the Commission or to review after the Initial Decision stage of the by any court. hearing on its application, it must sub- (3) ‘‘Legitimate and prudent ex- mit to the Commission a request for penses’’ are those expenses reasonably approval of the dismissal or withdrawal incurred by an applicant in preparing, of its application, a copy of the any filing, and prosecuting its application. written agreement related to the dis- (4) ‘‘Other consideration’’ consists of missal or withdrawal, and an affidavit financial concessions, including but setting forth: not limited to the transfer of assets or (1) A certification that neither the the provision of tangible pecuniary applicant nor its principals has re- benefit, as well as nonfinancial conces- ceived or will receive any money or sions that confer any type of benefit on other consideration in excess of the le- the recipient. gitimate and prudent expenses of the [54 FR 22598, May 25, 1989, as amended at 61 applicant; FR 18291, Apr. 25, 1996] (2) The exact nature and amount of any consideration paid or promised; § 73.3525 Agreements for removing ap- (3) An itemized accounting of the ex- plication conflicts. penses for which it seeks reimburse- (a) Except as provided in § 73.3523 re- ment; garding dismissal of applications in (4) A statement that its application comparative renewal proceedings, was not filed for the purpose of reach- whenever applicants for a construction ing or carrying out an agreement with permit for a broadcast station enter any other applicant regarding the dis- into an agreement to procure the re- missal or withdrawal of its application; moval of a conflict between applica- and tions pending before the FCC by with- (5) The terms of any oral agreement drawal or amendment of an application relating to the dismissal or withdrawal or by its dismissal pursuant to § 73.3568, of its application. all parties thereto shall, within 5 days In addition, within 5 days of the appli- after entering into the agreement, file cant’s request for approval, each re- with the FCC a joint request for ap- maining party to any written or oral proval of such agreement. The joint re- agreement must submit an affidavit quest shall be accompanied by a copy setting forth: of the agreement, including any ancil- (6) A certification that neither the lary agreements, and an affidavit of applicant nor its principals has paid or each party to the agreement setting will pay money or other consideration forth: in excess of the legitimate and prudent (1) The reasons why it is considered expenses of the withdrawing applicant that such agreement is in the public in- in exchange for the dismissal or with- terest; drawal of the application; and (2) A statement that its application (7) The terms of any oral agreement was not filed for the purpose of reach- relating the dismissal or withdrawal of ing or carrying out such agreement; the application. (3) A certification that neither the (d) For the purpose of this section: applicant nor its principals has re- (1) Affidavits filed pursuant to this ceived any money or other consider- section shall be executed by the appli- ation in excess of the legitimate and cant, permittee or licensee, if an indi- prudent expenses of the applicant; Pro- vidual; a partner having personal vided That this provision shall not knowledge of the facts, if a partner- apply to bona fide merger agreements; ship; or an officer having personal (4) The exact nature and amount of knowledge of the facts, if a corporation any consideration paid or promised; or association. (5) An itemized accounting of the ex- (2) An application shall be deemed to penses for which it seeks reimburse- be pending before the Commission from ment; and

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(6) The terms of any oral agreement to be located, notice shall be published relating to the dismissal or withdrawal at least twice a week for 2 consecutive of its application. weeks within the 3-week period imme- (b) Whenever two or more conflicting diately following the release of the applications for construction permits FCC’s order in the daily newspaper for broadcast stations pending before having the greatest general circulation the FCC involve a determination of in the community in which the station fair, efficient and equitable distribu- was proposed to be located. tion of service pursuant to section (3) The notice shall state the name of 307(b) of the Communications Act, and the applicant; the location, frequency an agreement is made to procure the and power of the facilities proposed in withdrawal (by amendment to specify a the application; the location of the sta- different community or by dismissal tion or stations proposed in the appli- pursuant to § 73.3568) of the only appli- cations with which it is in conflict; the cation or applications seeking the fact that the applicant proposes to same facilities for one of the commu- withdraw the application; and the date nities involved, all parties thereto upon which the last day of publication shall file the joint request and affida- shall take place. vits specified in paragraph (a) of this (4) Such notice shall additionally in- section. clude a statement that new applica- (1) If upon examination of the pro- tions for a broadcast station on the posed agreement the FCC finds that same frequency, in the same commu- withdrawal of one of the applications nity, with substantially the same engi- would unduly impede achievement of a neering characteristics and proposing fair, efficient and equitable distribu- to serve substantially the same service tion of radio servce among the several area as the application sought to be States and communities, then the FCC withdrawn, timely filed pursuant to shall order that further opportunity be the FCC’s rules, or filed, in any event, afforded for other persons to apply for within 30 days from the last date of the facilities specified in the applica- publication of the notice (notwith- tion or applications to be withdrawn standing any provisions normally re- before acting upon the pending request quiring earlier filing of a competing for approval of the agreement. application), will be entitled to com- (2) Upon release of such order, any parative consideration with other party proposing to withdraw its appli- pending mutually exclusive affidavits. cation shall cause to be published a no- (5) Within 7 days of the last day of tice of such proposed withdrawal at publication of the notice, the applicant least twice a week for 2 consecutive proposing to withdraw shall file a weeks within the 3-week period imme- statement in triplicate with the FCC diately following release of the FCC’s giving the dates on which the notice order, in a daily newspaper of general was published, the text of the notice circulation published in the commu- and the name and location of the news- nity in which it was proposed to locate paper in which the notice was pub- the station. However, if there is no lished. such daily newspaper published in the (6) Where the FCC orders that further community, the notice shall be pub- opportunity be afforded for other per- lished as follows: sons to apply for the facilities sought (i) If one or more weekly newspapers to be withdrawn, no application of any of general circulation are published in party to the agreement will be acted the community in which the station upon by the FCC less than 30 days from was proposed to be located, notice shall the last day of publication of the no- be published in such a weekly news- tice specified in paragraph (b)(2) of this paper once a week for 3 consecutive section. Any applications for a broad- weeks within the 4-week period imme- cast station on the same frequency in diately following the release of the the same community, with substan- FCC’s order. tially the same engineering character- (ii) If no weekly newspaper of general istics and proposing to serve substan- circulation is published in the commu- tially the same service area as the ap- nity in which the station was proposed plication sought to be withdrawn, filed

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within the 30-day period following the (f) Affidavits filed pursuant to this last date of publication of the notice section shall be executed by the appli- (notwithstanding any provisions nor- cant, permittee or licensee, if an indi- mally requiring earlier filing of a com- vidual; a partner having personal peting application), or otherwise time- knowledge of the facts, if a partner- ly filed, will be entitled to comparative ship; or an officer having personal consideration with other pending mu- knowledge of the facts, if a corporation tually exclusive applications. If the ap- or association. plication of any party to which the new (g) Requests and affidavits which re- application may be in conflict has been late to an application which has not designated for hearing, any such new been designated for hearing shall bear application will be entitled to consoli- the file number of such application. If dation in the proceeding. the affiant is also an applicant, the af- (c) Except where a joint request is fidavit shall also bear the file number filed pursuant to paragraph (a) of this of affiant’s pending application(s). Re- section, any applicant filing an amend- quests and affidavits which relate to an ment pursuant to § 73.3522(a) or a re- application which is designated for quest for dismissal pursuant to hearing shall bear the file number of § 73.3568(a) which would remove a con- that application and the hearing dock- flict with another pending application; et number and will be acted on by the or a petition for leave to amend pursu- presiding officer. ant to § 73.3522 (b) or (c) which would permit a grant of the amended (h) For the purposes of this section applcation or an application previously an application shall be deemed to be in conflict with the amended applica- ‘‘pending’’ before the FCC and a party tion; or a request for dismissal pursu- shall be considered to have the status ant to § 73.3568(c), shall file with it an of an ‘‘applicant’’ from the time an ap- affidavit as to whether or not consider- plication is filed with the FCC until an ation (including an agreement for order of the FCC granting or denying it merger of interests) has been promised is no longer subject to reconsideration to or received by such applicant, di- by the FCC or to review by any court. rectly or indirectly, in connection with (i) For purposes of this section, ‘‘le- the amendment, petition or request. gitimate and prudent expenses’’ are (d) Upon the filing of a petition for those expenses reasonably incurred by leave to amend or to dismiss an appli- an applicant in preparing, filing, pros- cation for broadcast facilities which ecuting, and settling its application for has been designated for hearing or which reimbursement is being sought. upon the dismissal of such application (j) For purposes of this section, on the FCC’s own motion pursuant to ‘‘other consideration’’ consists of fi- § 73.3568(b), each applicant or party re- nancial concessions, including, but not maining in hearing, as to whom a con- limited to the transfer of assets or the flict would be removed by the amend- provision of tangible pecuniary benefit, ment or dismissal shall submit for in- as well as non-financial concessions clusion in the record of that proceeding that confer any type of benefit on the an affidavit stating whether or not he recipient. has directly or indirectly paid or prom- (k) For purposes of this section, an ised consideration (including an agree- ‘‘ancillary agreement’’ means any ment for merger of interests) in con- agreement relating to the dismissal of nection with the removal of such con- an application or settling of a proceed- flict. ing, including any agreement on the (e) Where an affidavit filed pursuant part of an applicant or principal of an to paragraph (c) of this section states applicant to render consulting services that consideration has been paid or to another party or principal of an- promised, the affidavit shall set forth in full all relevant facts, including, but other party in the poroceeding. not limited to, the material listed in NOTE: Although § 74.780 of the Rules makes paragraph (a) of this section for inclu- this section generally applicable to low sions in affidavits. power TV, TV translators, and TV booster

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stations, paragraph (b) of this section shall filed shall appear in the local file to- not be applicable to such stations. gether with the name and address of the party filing the petition. The file [56 FR 28097, June 19, 1991] shall also contain a copy of every writ- § 73.3526 Local public inspection file of ten citizen agreement. For purposes of commercial stations. this section, a citizen agreement is a (a) Records to be maintained. Every ap- written agreement between a broadcast plicant for a construction permit for a applicant, permittee, or licensee, and new station in the commercial broad- one or more citizens or citizen groups, cast services shall maintain for public entered for primarily noncommercial inspection a file containing the mate- purposes. This definition includes those rial described in paragraph (a)(1) of agreements that deal with goals or pro- this section. Every permittee or li- posed practices directly or indirectly censee of an AM, FM or TV station in affecting station operation in the pub- the commercial broacast services shall lic interest, in areas such as—but not maintain for public inspection a file limited to—community ascertainment, containing the material described in programming, and employment. It ex- paragraphs (a)(1), (2), (3), (4), (5), (6), (7) cludes common commercial agree- and (10) of this section. In addition, ments such as advertising contracts; every permittee or licensee of a TV sta- union, employment, and personal serv- tion shall maintain for public inspec- ices contracts; network affiliation, tion a file containing material de- syndication, program supply contracts scribed in paragraph (a)(8) of this sec- and so on. However, the mere inclusion tion; every permittee or licensee of an of commercial terms in a primarily AM or FM station shall maintain for noncommercial agreement—such as a public inspection a file containing ma- provision for payment of fees for future terial described in paragraph (a)(9) of services of the citizen-parties (see ‘‘Re- this section. The material to be con- port and Order,’’ Docket 19518, 57 FCC tained in the file is as follows: 2d 494 1976))—would not cause the (1) A copy of every application ten- agreement to be considered commer- dered for filing, with respect to which cial for purposes of this section. local public notice is required to be given under the provisions of § 73.3580 NOTE: Applications tendered for filing on or § 73.3594; and all exhibits, letters and or before May 13, 1965, which are subse- other documents tendered for filing as quently designated for hearing after May 13, 1965, with local notice being given pursuant part thereof; all amendments thereto, to the provisions of § 73.3594, and material re- copies of all documents incorporated lated to such applications, need not be therein by reference, all correspond- placed in the file required to be kept by this ence between the FCC and the appli- section. Applications tendered for filing cant pertaining to the application after after May 13, 1965, which contain major it has been tendered for filing, and cop- amendments to applications tendered for fil- ies of Initial Decisions and Final Deci- ing on or before May 13, 1965, with local no- sions in hearing cases pertaining there- tice of the amending application being given to, which according to the provisions of pursuant to the provisions of § 73.3580, need §§ 0.451 through 0.461 of the rules are not be placed in the file requred to be kept by this section. open for public inspection at the offices of the FCC. Information incorporated (2) A copy of every application ten- by reference which is already in the dered for filing by the licensee or per- local file need not be duplicated if the mittee for such station which is not in- entry making the reference sufficienty cluded in paragraph (a)(1) of this sec- identifies the information so that it tion and which involves changes in pro- may be found in the file, and if there gram service, which requests an exten- has been no change in the document sion of time in which to complete con- since the date of filing and the appli- struction of a new station, or which re- cant, after making the reference, so quests consent to involuntary assign- states. If petitions to deny are filed ment or transfer, or to voluntary as- against the application, and have been signment or transfer not resulting in a duly served on the applicant, a state- substantial change in ownership or ment that such a petition has been control and which may be applied for

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on FCC Form 316; and copies of all ex- erence sufficiently identifies the infor- hibits, letters, and other documents mation so that it may be found in the filed as part thereof, all amendments file, and if there has been no change in thereto, all correspondence between the document since the date of filing the FCC and the applicant pertaining and the licensee or permittee, after to the application after it has been ten- making the reference, so states. dered for filing, and copies of all docu- (4) Such records as are required to be ments incorporated therein by ref- kept by § 73.1940 concerning broadcasts erence, which according to the provi- by candidates for public office. sions of §§ 0.451 through 0.461 of the (5) A copy of every annual employ- rules are open for public inspection at the offices of the FCC. Information in- ment report filed by the licensee or corporated by reference which is al- permittee for such station pursuant to ready in the local file need not be du- the provisions of this part; and copies plicated if the entry making the ref- of all exhibits, letters and other docu- erence sufficiently identifies the infor- ments filed as part thereof, all amend- mation so that it may be found in the ments thereto, and all correspondence file, and there has been no change in between the permittee or licensee and the document since the date of filing the FCC pertaining to the reports after and the licensee, after making the ref- they have been filed and all documents erence, so states. If petitions to deny incorporated therein by reference and are filed against the application, and which according to the provisions of have been duly served on the applicant, §§ 0.451 through 0.461 of the rules are a statement that such a petition has open for public inspection at the offices been filed shall appear in the local file of the FCC. together with the name and address of (6) The Public and Broadcasting—A the party filing the petition. Procedure Manual (see FCC 74–942, 39 NOTE: The engineering section of the appli- FR 32288, September 5, 1974). cations mentioned in paragraphs (a)(1) and (7) Letters received from members of (2) of this section, and material related to the public as are required to be re- the engineering section, need not be kept in tained by § 73.1202. the file required to be maintained by this paragraph. If such engineering section con- (8)(i) For commerical TV broadcast tains service contour maps submitted with stations, every three months a list of that section, copies of such maps and infor- programs that have provided the sta- mation (State, county, city, street address, tion’s most significant treatment of or other identifying information) showing community issues during the preceding main studio and transmitter location shall be kept in the file. three month period. The list for each calendar quarter is to be filed by the (3) A copy of every ownership report tenth day of the succeeding calendar or supplemental ownership report filed quarter (e.g., January 10 for the quarter by the licensee or permittee for such October–December, April 10 for the station after May 13, 1965, pursuant to quarter January–March, etc.). The list the provisions of this part; and copies include a brief narrative describing of all exhibits, letters, and other docu- what issues were given significant ments filed as part thereof, all amend- treatment and the programming that ments thereto, all correspondence be- provided this treatment. The descrip- tween the permittee or licensee and the FCC pertaining to the reports after tion of the programs should include, they have been filed, and all documents but is not limited to, the time, date, incorporated therein by reference, in- duration and title of each program in cluding contracts listed in such reports which the issue was treated. in accordance with the provisions of (ii) For commercial TV broadcast § 73.3615(a)(4)(i) and which according to stations, records sufficient to permit the provisions of §§ 0.451 through 0.461 substantiation of the station’s certifi- of the rules are open for public inspec- cation, in its license renewal applica- tion at the offices of the FCC. Informa- tion, of compliance with the commer- tion incorporated by reference which is cial limits on children’s programming already in the local file need not be du- established in 47 U.S.C. 303a and 47 CFR plicated if the entry making the ref- 73.670.

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(iii) For commercial TV broadcast day of broadcast of the local public no- stations, on a quarterly basis, a com- tice of filing announcements required pleted Children’s Television Program- pursuant to § 73.3580(h), place in the ming Report (‘‘Report’’), on FCC Form station’s local public inspection file a 398, reflecting efforts made by the li- statement certifying compliance with censee during the preceding quarter, this requirement. The dates and times and efforts planned for the next quar- that the pre-filing and post-filing no- ter, to serve the educational and infor- tices were broadcast and the text mational needs of children. The Report thereof shall be made part of the cer- for each quarter is to be filed by the tifying statement. tenth day of the succeeding calendar (11) Every television broadcast sta- quarter. The Report shall identify the tion owned or controlled by a tele- licensee’s educational and informa- vision network shall maintain the tional programming efforts, including records required by § 73.661. These programs aired by the station that are records shall be maintained in the file specifically designed to serve the edu- until the remaining syndication rules cational and informational needs of expire. children, and it shall explain how pro- (12) For commercial radio stations, a grams identified as Core Programming copy of every agreement or contract meet the definition set forth in involving time brokerage of the licens- § 73.671(c). The Report shall include the ee’s station or of another station by name of the individual at the station the licensee, with confidential or pro- responsible for collecting comments on prietary information redacted where the station’s compliance with the Chil- appropriate. dren’s Television Act, and it shall be (b) Responsibility in case of assignment separated from other materials in the or transfer. (1) In cases involving appli- public inspection file. Licensees shall cations for consent to assignment of publicize in an appropriate manner the broadcast station construction permits existence and location of these Re- or licenses, with respect to which pub- ports. For an experimental period of lic notice is required to be given under three years, licensees shall file these the provisions of § 73.3580 or § 73.3594, Reports with the Commission on an an- the file mentioned in paragraph (a) of nual basis, i.e., four quarterly reports this section shall be maintained by the filed jointly each year, preferably in assignor. If the assignment is con- electronic form. These Reports shall be sented to by the FCC and con- filed with the Commission on January summated, the assignee shall maintain 10, 1998, January 10, 1999, and January the file commencing with the date on 10, 2000. which notice of the consummation of (9) For commercial AM and FM the assignment is filed with the FCC. broadcast stations, every three months The file maintained by the assignee a list of programs that have provided shall cover the period both before and the station’s most significant treat- after the time when the notice of con- ment of community issues during the summation of assignment was filed. preceding three month period. The list The assignee is responsible for obtain- for each calendar quarter is to be filed ing copies of the necessary documents by the tenth of the succeeding calendar from the assignor or from the FCC quarter (e.g., January 10 for the quarter files. October-December, April 10 for the (2) In cases involving applications for quarter January-March, etc.). The list consent to transfer of control of a per- shall include a brief narrative describ- mittee or licensee of a broadcast sta- ing what issues were given significant tion, the file mentioned in paragraph treatment and the programming that (a) of this section shall be maintained provided this treatment. The descrip- by the permittee or licensee. tion of the programs should include, (c) Station to which reports pertain. but is not limited to, the time, date, The file need contain only applica- duration and title of each program in tions, ownership reports, and related which the issue was treated. material that concern the station for (10) Each applicant for renewal of li- which the file is kept. Applicants, per- cense shall, within 7 days of the last mittees, and licensees need not keep in

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the file copies of such applications, re- tion is granted, paragraph (e)(2) of this ports, and material which pertain to section shall apply.) other stations with regard to which (2) The permittee or licensee shall they may be applicants, permittees, or maintain such a file so long as an au- licensees, except to the extent that thorization to operate the station is such information is reflected in the outstanding, and shall permit public materials required to be kept under the inspection of the material as long as it provisions of this section. is retained by the licensee even though (d) Location of records. The file shall the request for inspection is made after be maintained at the main studio of the conclusion of the required reten- the station, where such studio is lo- tion period specified in this paragraph. cated in the community to which the However, material which is voluntarily station is licensed or where such studio retained after the required retention is located outside of the community of time may be kept in a form and place license pursuant to authorization convenient to the licensee and shall be granted under § 73.1125(a) of the rules made available to the inquiring party, prior to July 16, 1987, or at any acces- in good faith after written request, at a sible place (such as a public registry time and place convenient to both the for documents or an attorney’s office) party and the licensee. in the community to which the station Applications and related material is or is proposed to be licensed. The file placed in the file shall be retained for shall be available for public inspection a period beginning with the date that at any time during regular business they are tendered for filing and ending hours. with the expiration of one license term (e) Period of retention. The records (five (5) years for television licensees specified in paragraph (a)(4) of this sec- or seven (7) years for radio licensees) or tion shall be retained for periods speci- until the grant of the first renewal ap- fied in § 73.1940 (2 years). The manual plication of the television or radio specified in paragraph (a)(6) of this sec- broadcast license in question, which- tion shall be retained indefinitely. The ever is later, with two exceptions: letters specified in paragraph (a)(7) of (i) Engineering material pertaining this section shall be retained for the to a former mode of operation need not period specified in § 73.1202 (3 years). be retained longer than 3 years after a The ‘‘significant treatment of commu- station commences operation under a nity issues’’ list and the records dem- new or modified mode; and onstrating the station’s response to the (ii) Material having a substantial educational and informational needs of bearing on a matter which is the sub- children specified in paragraph (a)(8) of ject of a claim against the licensee, or this section shall be retained by com- relating to an FCC investigation or a mercial broadcast television licensees complaint to the FCC of which the li- for the term of license, 5 years. Com- censee has been advised, shall be re- mercial AM and FM radio licensees tained until the licensee is notified in shall retain the ‘‘significant treatment writing that the material may be dis- of community issues list’’ specified in carded, or, if the matter is a private paragraph (a)(9) of this section for the one, the claim has been satisfied or is term of license, 7 years. The certifi- barred by statute of limitations. Where cation specified in paragraph (a)(10) of an application or related material in- this section shall be retained for the corporates by reference material in period specified in § 73.3580 (for as long earlier applications and material con- as the application to which it refers). cerning programming and related mat- The records specified in paragraphs (a) ters (section IV and related material), (1), (2), (3), and (5) of this section shall the material so referred to shall be re- be retained, as follows: tained as long as the application refer- (1) The applicant for a construction ring to it. If a written agreement is not permit for a new station shall maintain incorporated in an application ten- such a file so long as the application is dered for filing with the FCC, the start- pending before the FCC or any proceed- ing date of the retention period for ing involving that application is pend- that agreement is the date the agree- ing before the courts. (If the applica- ment is executed.

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(f) Copies of any material required to mational needs of children specified in para- be in the public file of any applicant graph (a)(8) of this section shall be retained for a construction permit, or permittee by commercial broadcast television licensees or licensee of any commercial TV or for the term of license (5 years). Commercial radio station shall be available for ma- AM and FM radio licensees shall retain the chine reproduction upon request made ‘‘significant treatment of community issues list’’ specified in paragraph (a)(9) of this sec- in person, provided the requesting tion for the term of license (7 years). The party shall pay the reasonable cost of certification specified in paragraph (a)(10) of reproduction. Requests for machine this section shall be retained for the period copies shall be fulfilled at a location specified in § 73.3580 (for as long as the appli- specified by the applicant, permittee or cation to which it refers). The records speci- licensee, within a reasonable period of fied in paragraph (a)(12) of this section shall time which, in no event, shall be longer be retained as long as the contract or agree- than seven days unless reproduction fa- ment is in force. The records specified in cilities are unavailable in the appli- paragraphs (a) (1), (2), (3), and (5) of this sec- cant’s, permittee’s, or licensee’s com- tion shall be retained as follows: munity. The applicant, permittee or li- censee is not required to honor re- * * * * * quests made by mail, but may do so if it chooses. 2. At 59 FR 62344, Dec. 5, 1994, in § 73.3526, paragraph (g) was added. This amendment (g) Statements of a commercial tele- contains information collection and record- vision station’s election with respect keeping requirements and will not become to either must-carry or retransmission effective until approval has been given by consent as defined in § 76.64 of this the Office of Management and Budget. chapter shall be retained in the public 3. At 61 FR 43998, Aug. 27, 1996, in § 73.3526, file of the television station for the du- paragraph (a)(8)(iii) was revised, effective ei- ration of the three year election period ther Jan. 2, 1997 or after approval has been to which the statement applies. given by the Office of Management and Budget, whichever comes later. [50 FR 8630, Mar. 4, 1985, as amended at 51 FR 20292, 20293, June 4, 1986; 53 FR 17046, May 13, § 73.3527 Local public inspection file of 1988; 53 FR 32901, Aug. 29, 1988; 56 FR 19616, Apr. 29, 1991; 56 FR 26270, June 6, 1991; 56 FR noncommercial educational sta- 28825, June 25, 1991; 56 FR 64209, Dec. 9, 1991; tions. 57 FR 18091, Apr. 29, 1992; 57 FR 42704, Sept. (a) Records to be maintained. Every ap- 16, 1992; 58 FR 28932, May 18, 1993; 59 FR 62344, plicant for a construction permit for a Dec. 5, 1994; 61 FR 43998, Aug. 27, 1996] new station in the noncommercial edu- EFFECTIVE DATE NOTES: 1. At 57 FR 18093, cational broadcast servcies shall main- Apr. 29, 1992, in § 73.3526, paragraph (e) intro- tain for public inspection a file con- ductory text was revised, effective August 1, taining the material in paragraph (a)(1) 1992. At 57 FR 35763, Aug. 11, 1992, the effec- tive date was deferred pending action by the of this section. Every permittee or li- agency. At 57 FR 37888, Aug. 21, 1992, the ef- censee of a station in the noncommer- fective date was further delayed. For the cial educational broadcast services convenience of the user, the revised text is shall maintain for public inspection a set forth as follows: file containing the material described § 73.3526 Local public inspection file of com- in paragraphs (a) (1) through (9) of this mercial stations. section. The material to be contained in the file is as follows: * * * * * (1) A copy of every application ten- dered for filing with respect to which (e) Period of retention. The records specified in paragraph (a)(4) of this section shall be re- local public notice is required to be tained for periods specified in § 73.1940 (2 given under the provisions of § 73.3580 years). The manual specified in paragraph or § 73.3594; and all exhibits, letters and (a)(6) of this section shall be retained indefi- other documents tendered for filing as nitely. The letters specified in paragraph part thereof, all amendments thereto, (a)(7) of this section shall be retained for the copies of all documents incorporated period specified in § 73.1202 (3 years). The ‘‘significant treatment of community issues’’ therein by reference, all correspond- list and the records demonstrating the sta- ence between the FCC And the appli- tion’s response to the educational and infor- cant pertaining to the application after

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it has been tendered for filing, and cop- to the provisions of §§ 0.451 through ies of Initial Decisions and Final Deci- 0.461 of the rules are open for public in- sions in hearing cases pertaining there- spection at the offices of the FCC. In- to, which according to the provisions of formation incorporated by reference §§ 0.451 through 0.461 of the rules are which is already in the local file need open for public inspection at the offices not be duplicated if the entry making of the FCC. Information incorporated the reference sufficiently identifies the by reference which is already in the information so that it may be found in local file need not be duplicated if the the file, and there has been no change entry making the reference sufficiently in the document since the date of filing identifies the information so that it and the licensee, after making the ref- may be found in the file, and if there erence so states. If petitions to deny has been no change in the document are filed against the application, and since the date of filing and the appli- have been duly served on the applicant, cant, after making the reference, so a statement that such a petition has states. If petitions to deny are filed been filed shall appear in the local file against the application, and have been together with the name and address of duly served on the applicant, a state- the party filing the petition. ment that such a petition has been NOTE: The engineering section of the appli- filed shall appear in the local file to- cations mentioned in paragraphs (a) (1) and gether with the name and address of (2) of this section, and material related to the party filing the petition. the engineering section, need not be kept in the file required to be maintained by this NOTE: Applications tendered for filing on paragraph. If such engineering section con- or before May 13, 1965, which were subse- tains service contour maps submitted with quently designated for hearing after May 13, that section, copies of such maps and infor- 1965, with local notice being given pursuant mation (State, county, city, street address, to the provisions of § 73.3594, and material re- or other identifying information) showing lated to such applications, need not be main studio and transmitter location shall placed in the file required to be kept by this be kept in the file. section. Materials tendered for filing after May 13, 1965, which contain major amend- (3) A copy of contracts listed in own- ments to applications tendered for filing on ership reports filed in accordance with or before May 13, 1965, which local notice of the provisions of § 73.3615(e) and which the amending application being given pursu- according to the provisions of §§ 0.451 ant to the provisions of § 73.3580 need not be through 0.461 of the rules are open for placed in the file required to be kept by this section. public inspection at the offices of the FCC. Information incorporated by ref- (2) A copy of every application ten- erence which is already in the local file dered for filing by the licensee or per- need not be duplicated if the enty mak- mittee for such station after May 13, ing the reference sufficiently identifies 1965, pursuant to the provisions of this the information so that it may be part, which is not included in para- found in the file, and if there has been graph (a)(1) of this section and which no change in the document since the involves changes in program service, date of filing and the licensee or per- which requests an extension of time in mittee, after making the reference, so which to complete construction of a states. new station, or which requests consent (4) Such records as are required to be to involuntary assignment or transfer, kept by § 73.1940, ‘‘Broadcasts by can- or to voluntary assignment or transfer didates for public office. not resulting in a substantial change in (5) A copy of every annual employ- ownership or control and which may be ment report filed by the licensee or applied for on FCC Form 316; and cop- permittee for such station pursuant to ies of all exhibits, letters, and other the provisions of this Part; and copies documents filed as part thereof, all of all exhibits, letters and other docu- amendments thereto, all correspond- ments filed as part thereof, all amend- ence between the FCC and the appli- ments thereto, all correspondence be- cant pertaining to the application after tween the permittee or licensee and the it has been tendered for filing, and cop- FCC pertaining to the reports after ies of all documents incorporated they have been filed and all documents therein by reference, which according incorporated therein by reference and

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which, according to the provisions of summation of assignment was filed. §§ 0.451 through 0.461 of the rules, are The assignee is responsible for obtain- open for public inspection at the office ing copies of the necessary documents of the FCC. from the assignor or from the FCC (6) The Public and Broadcasting: Re- files. vised Edition (see FCC 74–942, 39 FR (2) In cases involving applications for 32288, September 5, 1974). consent to transfer of control of a per- (7) For nonexempt noncommercial mittee or licensee of a broadcast sta- educational broadcast stations, every tion, the file mentioned in paragraph three months a list of programs that (a) of this section shall be maintained have provided the station’s most sig- by the permittee or licensee. nificant treatment of community is- (c) Station to which records pertain. sues during the preceding three month The file need contain only applica- period. The list for each calendar quar- tions, ownership reports, and related ter is to be filed by the tenth day of the material that concern the station for succeeding calendar quarter (e.g. Janu- which the file is kept. Applicants, per- ary 10 for the quarter October–Decem- mittees and licensees need not keep in ber, April 10 for the quarter January– the file copies of such applications, re- March, etc.). The list shall include a ports and material which pertain to brief narrative describing what issues other stations with regard to which were given significant treatment and they may be applicants, permittees, or the programming that provided this licensees, except to the extent that treatment. The description of the pro- such information is reflected in the grams should include, but is not lim- materials required to be kept under the ited to, the time, date, duration and provisions of this section. title of each program in which the (d) Location of records. The file shall issue was treated. be maintained at the main studio of (8) The lists of donors supporting spe- the station, where such studio is lo- cific programs. cated in the community to which the (9) Each applicant for renewal of li- station is licensed or where such studio cense shall, within 7 days of the last is located outside of the community of day of broadcast of the local public no- license pursuant to authorization tice of filing announcements required granted under § 73.1125(a) of the rules pursuant to § 73.3580(h), place in the prior to July 16, 1987, or at any acces- station’s public inspection file a state- sible place (such as a public registry ment certifying compliance with this for documents or an attorney’s office) requirement. The dates and times that in the community to which the station the pre-filing and post-filing notices is or is proposed to be licensed. The file were broadcast and the text thereof shall be available for public inspection shall be made part of the certifying at any time during regular business statement. hours. (b) Responsibility in case of assignment (e) Period of retention. The records or transfer. (1) In cases involving appli- specified in paragraph (a)(4) of this sec- cations for consent to assignment of tion shall be retained for the period broadcast station construction permits specified in § 73.1940 (two years). The or licenses, with respect to which pub- manual specified in paragraph (a)(6) of lic notice is required to be given under this section shall be retained indefi- the provisions of § 73.3580 or § 73.3594, nitely. The issues/programs list speci- the file mentioned in paragraph (a) of fied (a)(7) shall be retained for the term this section shall be maintained by the of the license (5 years and 7 years for assignor. If the assignment is con- TV and radio respectively). The donor sented to by the FCC, and con- lists specified in paragraph (a)(8) of summated, the assignee shall maintain this section shall be retained for two the file commencing with the date on years. The certification specified in which notice of the consummation of paragraph (a)(9) of this section shall be the assignment is filed with the FCC. retained for the period specified in The file maintained by the assignee § 73.3580 (for as long as the application shall cover the period both before and to which it refers). The records speci- after the time when the notice of con- fied in paragraphs (a)(1), (2), (3), and (5)

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of this section must be retained as fol- matters (section IV and related mate- lows: rial), the material so referred to shall (1) The applicant for a construction be retained as long as the application permit for a new station shall maintain referring to it. such a file so long as the proceeding in (f) Copies of any material required to which that application was filed is be in the public file of any applicant pending before the FCC or any proceed- for a construction permit, or permittee ing involving that application is pend- or licensee of any noncommercial edu- ing before the courts. (If the applica- cational TV or radio station shall be tion is granted, paragraph (e)(2) of this available for machine reproduction section shall apply.) upon request made in person, provided (2) The permittee or licensee shall the requesting party shall pay the rea- maintain such a file so long as an au- sonable costs of reproduction. Requests thorization to operate the station is for machine copies shall be fulfilled at outstanding, and shall permit public a location specified by the applicant, inspection of the material as long as it permittee or licensee, within a reason- is retained by the licensee even though able period of time which, in no event, the request for inspection is made after shall be longer than seven days unless the conclusion of the required reten- reproduction facilities are unavailable tion period specified in this paragraph. in the applicant’s, permittee’s or li- However, material which is voluntarily censee’s community. The applicant, retained after the required retention permittee or licensee is not required to time may be kept in a form and place honor requests made by mail but may convenient to the licensee and shall be do so if it chooses. made available to the inquiring party, (g) Noncommercial television sta- in good faith after written request, at a tions requesting mandatory carriage time and place convenient to both the on any cable system pursuant to § 76.56 party and the licensee. of this chapter shall place a copy of Applications and related material such request in its public file and shall placed in the file shall be retained for retain both the request and relevant a period beginning with the date that correspondence for the duration of any they are tendered for filing and ending period to which the statement applies. with the expiration of one license term [50 FR 8632, Mar. 4, 1985, as amended at 53 FR (five (5) years for television licensees 15225, Apr. 28, 1988; 53 FR 17047, May 13, 1988; or seven (7) years for radio licensees) or 53 FR 32901, Aug. 29, 1988; 59 FR 62344, Dec. 5, until the grant of the first renewal ap- 1994] plication of the television or radio EFFECTIVE DATE NOTE: At 59 FR 62344, Dec. broadcast license in question, which- 5, 1994, § 73.3527 was amended by adding para- ever is later, with two exceptions: graph (g). Paragraph (g) contains informa- (i) Engineering material pertaining tion collection and recordkeeping require- ments and will not become effective until ap- to a former mode of operation need not proval has been given by the Office of Man- be retained longer than 3 years after a agement and Budget. station commences operation under a new or modified mode; and § 73.3533 Application for construction (ii) Material having a substantial permit or modification of construc- bearing on a matter which is the sub- tion permit. ject of a claim against the licensee, or (a) Application for construction per- relating to an FCC investigation or a mit, or modification of a construction complaint to the FCC of which the li- permit, for a new facility or change in censee has been advised, shall be re- an existing facility is to be made on tained until the licensee is notified in the following forms: writing that the material may be dis- (1) FCC Form 301, ‘‘Application for carded, or, if the matter is a private Authority to Construct or Make one, the claim has been satisfied or is Changes in an Existing Commercial barred by statutes of limitations. Broadcast Station.’’ Where an application or related mate- (2) FCC Form 309, ‘‘Application for rial incorporates by reference material Authority to Construct or Make in an earlier application and material Changes in an Existing International concerning programming and related or Experimental Broadcast Stations.’’

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(3) FCC Form 313, ‘‘Application for shall be filed at least 30 days prior to Authorization in the Auxiliary Broad- the expiration date of the construction cast Services.’’ permit if the facts supporting such ap- (4) FCC Form 330, ‘‘Application for plication for extension are known to Authorization to Construct New or the applicant in time to permit such Make Changes in an Instructional Tele- filing. In other cases, an application vision Fixed and/or Response Sta- will be accepted upon a showing satis- tion(s), or to Assign to Transfer Such factory to the FCC of sufficient reasons Station(s).’’ for filing within less than 30 days prior (5) FCC Form 340, ‘‘Application for to the expiration date. Authority to Construct or Make (b) Applications for extension of time Changes in a Noncommercial Edu- to construct broadcast stations, with cational Broadcast Station.’’ the exception of International Broad- (6) FCC Form 346, ‘‘Application for cast and Instructional TV Fixed sta- Authority to Construct or Make tions, will be granted only if one of the Changes in a Low Power TV, TV Trans- following three circumstances have oc- lator or TV Booster Station.’’ curred: (7) FCC Form 349, ‘‘Application for (1) Construction is complete and test- Authority to Construct or Make ing is underway looking toward prompt Changes in an FM Translator or FM filing of a license application; Booster Station.’’ (2) Substantial progress has been (b) The filing of an application for made i.e., demonstration that equip- modification of construction permit ment is on order or on hand, site ac- does not extend the expiration date of quired, site cleared and construction the construction permit. Extension of proceeding toward completion; or the expiration date must be applied for (3) No progress has been made for on FCC Form 307, in accordance with reasons clearly beyond the control of the provisions of § 73.3534. the permittee (such as delays caused by (c) In each application referred to in governmental budgetary processes and paragraph (a) of this section, the appli- zoning problems) but the permittee has cant will provide the Antenna Struc- taken all possible steps to expedi- ture Registration Number (FCC Form tiously resolve the problem and pro- 854R) of the antenna structure upon ceed with construction. which it will locate its proposed an- (c) Applications for extension of time tenna. In the event the antenna struc- to construct International Broadcast ture does not already have a Registra- and Instructional TV Fixed stations tion Number, either the antenna struc- will be granted upon a specific and de- ture owner shall file FCC Form 854 tailed showing that the failure to com- (‘‘Application for Antenna Structure plete was due to causes not under the Registration’’) in accordance with part control of the permittee, or upon a spe- 17 of this chapter or the applicant shall cific and detailed showing of other suf- provide a detailed explanation why reg- ficient to justify an extension. istration and clearance of the antenna (d) If an application for extension of structure is not necessary. time within which to construct a sta- tion is approved, such an extension will [44 FR 38494, July 2, 1979, as amended at 47 be limited to a period of no more than FR 28388, June 30, 1982; 49 FR 32582, Aug. 15, 1984; 50 FR 40016, Oct. 1, 1985; 53 FR 36788, 6 months except when as assignment or Sept. 22, 1988; 61 FR 4367, Feb. 6, 1996] transfer has been approved that pro- vides for a longer period up to a maxi- § 73.3534 Application for extension of mum of 12 months from the date of construction permit or for construc- consummation. tion permit to replace expired con- (e) Application for a construction struction permit. permit to replace an expired construc- (a) Application for extension of time tion permit shall be filed on FCC Form within which to construct a station 307. Such applications must be filed shall be filed on FCC Form 307, ‘‘Appli- within 30 days of the expiration date of cation for Extension of Broadcast Con- the authorization sought to be re- struction Permit or to Replace Expired placed. If approved, such authorization Construction Permit.’’ The application shall specify a period of not more than

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6 months within which construction mainder of the construction period, shall be completed and application for whichever is longer. Also, in the case of license filed. an assignment, the time period allowed for construction will be 12 months from [50 FR 52779, Dec. 26, 1985, as amended at 53 FR 36788, Sept. 22, 1988] the consummation of the assignment or the remainder of the construction § 73.3535 Application to modify author- period, whichever is longer. The exten- ized but unbuilt facilities, or to as- sion will be given subject to the condi- sign or transfer control of an un- tion that the modification is completed built facility. or the assignment is consummated. (a) If a permittee finds it necessary Failure to modify or consummate with- to file either an application to modify in the time allowed will result in can- its authorized, but unbuilt facilities, or cellation of the construction permit. an assignment/transfer application, (d) We will not entertain an applica- such application shall be filed within tion for modification of an authorized the first 9 months of the issuance of but unbuilt facility or an application the original construction permit for for assignment or transfer of control of radio and other broadcast and auxil- an unbuilt facility if filed after the ex- iary stations, or within 12 months of piration of the initial construction pe- the issuance of the original construc- riod. tion permit for television facilities. Be- [50 FR 52779, Dec. 26, 1985] fore such an application can be grant- ed, the permittee or assignee must cer- § 73.3536 Application for license to tify that it will immediately begin cover construction permit. building after the modification is (a) The application for station li- granted or the assignment is con- cense shall be filed by the permittee summated. pursuant to the requirements of (b) Modification and assignment ap- § 73.1620 Program tests. plications filed after the time periods (b) The following application forms stated in paragraph (a) will not be shall be used: granted absent a showing that one of (1)(i) Form 302–AM for AM stations, the following three criteria apply: (1) ‘‘Application for New AM Station Construction is complete and testing is Broadcast License.’’ underway looking toward prompt filing (ii) Form 302–FM for FM stations, of a license application; (2) substantial ‘‘Application for FM Station License.’’ progress has been made i.e., demonstra- (iii) Form 302–TV for television sta- tion that equipment is on order or on tions, ‘‘Application for TV Station hand, site acquired, site cleared and Broadcast License.’’ construction proceeding toward com- (2) FCC Form 310, ‘‘Application for an pletion; or (3) no progress has been International or Experimental Broad- made for reasons clearly beyond the cast Station License.’’ control of the permittee (such as (3) FCC Form 313, ‘‘Application for delays caused by governmental budg- Authorization in the Auxiliary Broad- etary processes and zoning problems) cast Services.’’ but the permittee has taken all pos- (4) FCC Form 330–L ‘‘Application for sible steps to expeditiously resolve the Instructional Television Fixed Station problem and proceed with construc- License.’’ tion. A certification by the permittee (5) FCC Form 347, ‘‘Application for a or the assignee that it immediately Low Power TV, TV Translator or TV will begin building after the modifica- Booster Station License.’’ tion is granted or the assignment is (6) FCC Form 350, ‘‘Application for an consummated is also necessary. A sell- FM Translator or FM Booster Station er must make the ‘‘one of three cri- License.’’ teria’’ showing in an assignment appli- cation. [44 FR 38495, July 2, 1979, as amended at 49 FR 32582, Aug. 15, 1984; 50 FR 40016, Oct. 1, (c) If a modification is granted, the 1985; 51 FR 18451, May 20, 1986; 51 FR 32088, time period allowed for construction Sept. 9, 1986; 52 FR 31400, Aug. 20, 1987; 53 FR will be 6 months from the issuance of 36788, Sept. 22, 1988; 62 FR 51063, Sept. 30, the authorization to modify or the re- 1997]

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EFFECTIVE DATE NOTE: At 62 FR 51063, lowing changes in the station author- Sept. 30, 1997, § 73.3536 was amended by revis- ization: ing paragraph (b)(1), effective Dec. 1, 1997. (1) To specify a new AM station di- For the convenience of the user, the super- seded text is set forth as follows: rectional antenna field monitoring point as a substitute for one that is no § 73.3536 Application for license to cover longer suitable or available, such as construction permit. due to construction. The request is to include sufficient measurement data * * * * * taken at the new monitoring point to (b) * * * establish its reliability in comparison (1) FCC Form 302, ‘‘Application for a New with data taken at the old monitoring Broadcast Station License.’’ point on the same radial, the routing directions to the new point, a location * * * * * photograph, and such other informa- tion as the FCC may request. § 73.3537 Application for license to use (2) To modify or discontinue the ob- former main antenna as an auxil- struction marking or lighting of the iary. antenna supporting structure where See § 73.1675, Auxiliary facility. that specified on the station authoriza- tion either differs from that specified [62 FR 51063, Sept. 30, 1997] in FCC Rules, part 17, or is not appro- EFFECTIVE DATE NOTE; At 62 FR 51063, priate for other reasons. Sept. 30, 1997, § 73.3537 was revised, effective (3) Relocation of a main studio out- Dec. 1, 1997. For the convenience of the user, the superseded text is set forth as follows: side the principal community contour may require the filing and approval of § 73.3537 Application for license to use a letter request for authority to make former main antenna as an auxiliary. this change prior to implementation. A licensee may apply on FCC Form 302 for See § 73.1125. authority to use a formerly licensed main antenna system as an auxiliary antenna. [44 FR 38495, July 2, 1979, as amended at 44 FR 69935, Dec. 5, 1979; 49 FR 4000, Feb. 1, 1984; [51 FR 32088, Sept. 9, 1986] 52 FR 21685, June 9, 1987; 62 FR 51063, Sept. 30, 1997] § 73.3538 Application to make changes in an existing station. EFFECTIVE DATE NOTE: At 62 FR 51063, Where prior authority is required Sept. 30, 1997, § 73.3538 was amended by revis- ing the introductory text, the introductory from the FCC to make changes in an text of paragraph (a), and paragraphs (a)(1) existing station, the following proce- through (a)(3); by removing paragraphs (a)(5) dures shall be used to request that au- through (a)(7); and by adding paragraph thority: (b)(3), effective Dec. 1, 1997. For the conven- (a) An application for construction ience of the user, the superseded text is set permit using the forms listed in forth as follows: § 73.3533 must be filed for authority to: § 73.3538 Application to make changes in an (1) Make any of the changes listed in existing station. § 73.1690(b). Where prior authority from the FCC is re- (2) Change the hours of operation of quired to make changes in an existing sta- an AM station, where the hours of op- tion the following procedures shall be used eration are specified on the license or to request that authority: permit. (a) An application for a construction per- (3) Install a transmitter which has mit using the forms specified in § 73.3533 not been approved (type accepted) by must be filed for authority to make the fol- the FCC for use by licensed broadcast lowing changes: stations. (1) Any change involving frequency, power (4) Any change in the location, or location of the station. height, or directional radiating charac- (2) A change in the hours of operation of an AM station, where the hours of operation are teristics of the antenna or antenna sys- specified on the station license. tem. (3) The installation of a transmitter which (b) An informal application filed in has not been authorized by the FCC for use accordance with § 73.3511 is to be used by licensed broadcast stations. to obtain authority to make the fol- (4) * * *

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(5) To move the main studio location of an such renewal application had been re- AM station to a location outside the prin- ceived. cipal community contour or to move the stu- (d) Renewal application forms titles dio from one location outside the principal and numbers are listed in § 73.3500, Ap- community contour to another such location (other than to a point within the principal plication and Report Forms. community). See § 73.1125. [44 FR 38495, July 2, 1979, as amended at 47 (6) To move the main studio of an FM sta- FR 28388, June 30, 1982; 49 FR 32582, Aug. 15, tion to a location outside the principal com- 1984] munity contour or to move the studio from one location outside the principal commu- § 73.3540 Application for voluntary as- nity contour to another such location (other signment or transfer of control. than to the collocated studio-transmitter site of a commonly-owned AM station li- (a) Prior consent of the FCC must be censed to the same community or to a point obtained for a voluntary assignment or within the principal community). See transfer of control. § 73.1125. (b) Application should be filed with (7) To move the main studio of a TV sta- the FCC at least 45 days prior to the tion to a location outside the principal com- contemplated effective date of assign- munity contour or to move the studio from one location outside the principal commu- ment or transfer of control. nity contour to another such location (other (c) Application for consent to the as- than to a point within the principal commu- signment of construction permit or li- nity). See § 73.1125. cense must be filed on FCC Form 314 ‘‘Assignment of license’’ or FCC Form * * * * * 316 ‘‘Short form’’ (See paragraph (f) of this section). § 73.3539 Application for renewal of li- (d) Application for consent to the cense. transfer of control of a corporation (a) Unless otherwise directed by the holding a construction permit or li- FCC, an application for renewal of li- cense must be filed on FCC Form 315 cense shall be filed not later than the ‘‘Transfer of Control’’ or FCC Form 316 first day of the fourth full calendar ‘‘Short form’’ (see paragraph (f) of this month prior to the expiration date of section). the license sought to be renewed, ex- (e) Application for consent to the as- cept that applications for renewal of li- signment of construction permit or li- cense of an experimental broadcast sta- cense or to the transfer of control of a tion shall be filed not later than the corporate licensee or permittee for an first day of the second full calendar FM or TV translator station, a low month prior to the expiration date of power TV station and any associated the license sought to be renewed. If any auxiliary station, such as translator deadline prescribed in this paragraph microwave relay stations and UHF falls on a nonbusiness day, the cutoff translator booster stations, only must shall be the close of business of the be filed on FCC Form 345 ‘‘Application first full business day thereafter. for Transfer of Control of Corporate Li- (b) No application for renewal of li- censee or Permittee, or Assignment of cense of any broadcast station will be License or Permit for an FM or TV considered unless there is on file with translator Station, or a Low Power TV the FCC the information currently re- Station.’’ quired by §§ 73.3612 through 73.3615, in- (f) The following assignment or clusive, for the particular class of sta- transfer applications may be filed on tion. FCC ‘‘Short form’’ 316: (c) Whenever the FCC regards an ap- (1) Assignment from an individual or plication for a renewal of license as es- individuals (including partnerships) to sential to the proper conduct of a hear- a corporation owned and controlled by ing or investigation, and specifically such individuals or partnerships with- directs that it be filed by a date cer- out any substantial change in their rel- tain, such application shall be filed ative interests; within the time thus specified. If the li- (2) Assignment from a corporation to censee fails to file such application its individual stockholders without within the prescribed time, the hearing effecting any substantial change in the or investigation shall proceed as if disposition of their interests;

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(3) Assignment or transfer by which the national defense or security or oth- certain stockholders retire and the in- erwise in furtherance of the war effort. terest transferred is not a controlling (1) An informal application may be one; used. The FCC may grant such con- (4) Corporate reorganization which struction permits, station licenses, involves no substantial change in the modifications or renewals thereof, beneficial ownership of the corpora- without the filing of a formal applica- tion; tion. (5) Assignment or transfer from a (2) No authorization so granted shall corporation to a wholly owned subsidi- continue to be effective beyond the pe- ary thereof or vice versa, or where riod of the emergency or war requiring there is an assignment from a corpora- it. tion to a corporation owned or con- (3) Each individual request submitted trolled by the assignor stockholders under the provisions of this paragraph without substantial change in their in- shall contain, as a minimum require- terests; or ment, the following information: (6) Assignment of less than a control- (i) Name and address of applicant. ling interest in a partnership. (ii) Location of proposed installation or operation. [44 FR 38496, July 2, 1979, as amended at 48 (iii) Official call letters of any valid FR 21486, May 12, 1983; 49 FR 47843, Dec. 7, 1984; 50 FR 32416, Aug. 12, 1985] station authorization already held by applicant and the station location. § 73.3541 Application for involuntary (iv) Type of service desired (not re- assignment of license or transfer of quired for renewal or modification un- control. less class of station is to be modified). (a) The FCC shall be notified in writ- (v) Frequency assignment, authorized ing promptly of the death or legal dis- transmitter power(s), authorized ability of an individual permittee or li- class(es) of emission desired (not re- censee, a member of a partnership, or a quired for renewal; required for modi- person directly or indirectly in control fication only to the extent such infor- of a corporation which is a permittee mation may be involved). or licensee. (vi) Equipment to be used, specifying (b) Within 30 days after the occur- the manufacturer and type or model rence of such death or legal disability, number (not required for renewal; re- an application on FCC Form 316 shall quired for modification only to the ex- be filed requesting consent to involun- tent such information may be in- tary assignment of such permit or li- volved). cense or for involuntary transfer of (vii) Statements to the extent nec- control of such corporation to a person essary for the FCC to determine wheth- or entity legally qualified to succeed to er or not the granting of the desired the foregoing interests under the laws authorization will be in accordance of the place having jurisdiction over with the citizenship eligibility require- the estate involved. ments of section 310 of the Cummunications Act. [44 FR 38496, July 2, 1979] (viii) Statement of facts which, in the opinion of the applicant, constitute § 73.3542 Application for emergency an emergency to be found by the FCC authorization. for the purpose of this section. This (a) Authority may be granted, on a statement must also include the esti- temporary basis, in extraordinary cir- mated duration of the emergency and if cumstances requiring emergency oper- during an emergency or war declared ation to serve the public interest. such by the President or Congress, why such situations include: emergencies involv- action, without formal application, is ing danger to life and property; a na- necessary for the national defense or tional emergency proclaimed by the security or in furtherance of the war President or the Congress of the U.S.A effort. and; the continuance of any war in (b) Emergency operating authority which the United States is engaged, issued under this section may be can- and where such action is necessary for celled or modified by the FCC without

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prior notice or right to hearing. See (2) A change in the type of AM sta- also § 73.1250, Broadcasting Emergency tion directional antenna monitor. See Information, for situations in which § 73.69. emergency operation may be conducted (3) A change in the location of the without prior authorization, and station main studio when prior author- § 73.1635, Special Temporary Authoriza- ity to move the main studio location is tion (STA), for temporary operating not required. authorizations necessitated by cir- (4) The location of a remote control cumstances not within the ambit of its point of an AM or FM station when section. prior authority to operate by remote control is not required. [50 FR 30948, July 31, 1985] (c) A change in the name of the li- censee where no change in ownership § 73.3543 Application for renewal or or control is involved may be accom- modification of special service au- thorization. plished by written notification by the licensee to the Commission. (a) No new special service authoriza- tion will be issued. However, consider- [44 FR 38497, July 2, 1979, as amended at 45 ation will be given to renewal or modi- FR 20483, Mar. 28, 1980; 50 FR 32416, Aug. 12, 1985; 62 FR 51063, Sept. 30, 1997] fication of a special service authoriza- tion which was outstanding on Feb- EFFECTIVE DATE NOTE: At 62 FR 51063, ruary 3, 1958, providing a satisfactory Sept. 30, 1997, § 73.3544 was amended by revis- showing has been made in regard to the ing paragraph (a), effective Dec. 1, 1997. For the convenience of the user, the superseded following, among others: text is set forth as follows: (1) That the requested operation may not be granted on a regular basis under § 73.3544 Application to obtain a modified the existing rules governing the oper- station license. ation of AM stations; (2) That experimental operation is * * * * * not involved as provided for by § 73.1510 (a) An application for a station license (Experimental authorizations); and using the forms specified in § 73.3536 shall be (3) That public interest, convenience used to cover the following changes: and necessity will be served by the au- (1) A change in the type of FM or TV trans- thorization requested. mitting antenna where prior authority from the FCC is not required to make such a [44 FR 38496, July 2, 1979] change. See § 73.1690, Modification of trans- mission systems. § 73.3544 Application to obtain a modi- (2) A change in the output power of FM or fied station license. TV aural or visual transmitters to accommo- date a change in the antenna type or trans- Where prior authority from the FCC mission line. is not required to make certain changes in the station authorization or * * * * * facilities, but a modified station li- cense must be obtained, the following § 73.3545 Application for permit to de- procedures shall be used to obtain liver programs to foreign stations. modification of the station license: Application under section 325(c) of (a) The changes specified in the Communications Act for authority § 73.1690(c) may be made by the filing of to locate, use, or maintain a broadcast a license application using the forms studio in connection with a foreign sta- listed in § 73.3536(b)(1). tion consistently received in the Unit- (b) An informal application filed ac- ed States, should be made on FCC cording to the procedures specified in Form 308, ‘‘Application for Permit to § 73.3511(b) shall be used to cover the Deliver Programs to Foreign Broadcast following changes: Stations.’’ An informal application (1) A correction of the routing in- may be used by applicants holding an structions and description of an AM AM, FM or TV broadcast station li- station directional antenna system cense or construction permit. Informal field monitoring point, when the point applications must, however, contain a itself is not changed. description of the nature and character

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of the programming proposed, together call sign assignment at the time the with other information requested on application for transfer or assignment Page 4 of Form 308. is filed, or at any time thereafter. In [44 FR 38497, July 2, 1979, as amended at 58 the absence of written consent of the FR 51250, Oct. 1, 1993] proposed transferor or assignor, no change in call sign assignment will be § 73.3549 Requests for extension of au- made effective until such application is thority to operate without required granted by the FCC and the trans- monitors, indicating instruments, action consummated. and EAS encoders and decoders. (d) Where an application is granted Requests for extension of authority by the FCC for transfer or assignment to operate without required monitors, of the construction permit or license of transmission system indicating instru- a station whose existing call sign con- ments, or encoders and decoders for forms to that of a commonly owned monitoring and generating the EAS station not part of the transaction, the codes and Attention Signal should be licensee shall, within 30 days after con- made to the Engineer in Charge of the summation, request a different call Field Office in which the station is op- sign or submit a statement of written erating. Such requests must contain consent to retain the conforming call information as to when and what steps sign from the existing owner and the li- were taken to repair or replace the de- censee of any other station that may fective equipment and a brief descrip- be using the station’s call sign. In such tion of the alternative procedures cases, should a suitable application or being used while the defective equip- proper consent statement not be sub- ment is out of service. mitted within that period of time, the [44 FR 38497, July 2, 1979, as amended at 59 FCC will, on its own motion, select an FR 67103, Dec. 28, 1994] appropriate call sign and effect the change in call sign assignment. § 73.3550 Requests for new or modified (e) Call signs beginning with the let- call sign assignments. ter ‘‘K’’ will not be assigned to stations (a) Requests for new or modified call located east of the Mississippi River, sign assignments for broadcast stations nor will call signs beginning with the shall be made by letter to the Sec- letter ‘‘W’’ be assigned to stations lo- retary, FCC, Washington, DC 20554. An cated west of the Mississippi River. original and one copy of the letter (f) Only four-letter call signs (plus an shall be submitted. Incomplete or oth- LP suffix or FM or TV suffixes, if used) erwise defective filings will be returned will be assigned. However, subject to by the FCC. As many as five call sign the other provisions of this section, a choices, listed in decending order of call sign of a station may be conformed preference, may be included in a single to a commonly owned station holding a request. A call sign may not be re- three-letter call assignment (plus FM, served. TV or LP suffixes, if used). (b) No request for a new call sign as- (g) Subject to the foregoing limita- signment will be accepted from an ap- tions, applicants may request call signs plicant for a new station until the FCC of their choice if the combination is has granted a construction permit. available. Objections to the assignment Failure by the permittee of a new sta- of requested call signs will not be en- tion to request the assignment of a spe- tertained at the FCC. However, this cific call sign within 30 days of grant of does not hamper any party from assert- the construction permit will result in ing such rights as it may have under the FCC, on its own motion, assigning private law in some other forum. an appropriate call sign. All initial Should it be determined by an appro- construction permits for low power TV priate forum that a station should not stations will be issued with a five-char- utilize a particular call sign, the initial acter low power TV call sign. assignment of a call sign will not serve (c) An applicant for transfer or as- as a bar to the making of a different signment of an outstanding construc- assignment. tion permit or license may, in accord- (h) Call signs are assigned on a ‘‘first- ance with this section, request a new come-first-served’’ basis. Receipt by

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the FCC of a request for an available tion for a call sign. Postponement of call sign blocks the acceptance of com- the effective date will be granted only peting requests until the first received in response to a timely request and for request is processed to completion. In only the most compelling reasons. the case of requests for the same call (l) Four-letter combinations com- sign being received on the same date at mencing with ‘‘W’’ or ‘‘K’’ which are the FCC, the assignment (if otherwise assigned as call signs to ships or to grantable) will be made to the station other radio services are not available having the longest continuous record for assignment to broadcast stations, of broadcasting operation under sub- with or without the ‘‘–FM’’ or ‘‘–TV’’ stantially unchanged ownership and suffix. control. However, involuntary and pro (m) Users of nonlicensed, low-power forma assignments will not be taken into account in determining priority. If devices operating under Part 15 of the a low-power TV operator and an AM, FCC rules may use whatever identifica- FM or full-power TV operator apply for tion is currently desired, so long as the same call sign on the same date at propriety is observed and no confusion the FCC, the AM, FM or full-power TV results with a station for which the operator will prevail. FCC issues a license. (n) Where a requested call sign, with- NOTE: The provisions of paragraph (h) of out the ‘‘–FM,’’ ‘‘–TV’’ or ‘‘–LP’’ suffix, this section shall not apply to a licensee re- questing a transfer to another frequency would conform to the call sign of any where the existing and new facilities serve other non-commonly owned station(s) substantially the same area (i.e., where at operating in a different service, the ap- least one of the stations serves both commu- plicant must obtain and submit with nities of license). the application for the call sign the (i) Stations in different broadcast written consent of the licensee(s) of services (or operating jointly in the such stations. 535–1605 kHz band and in the 1605–1705 [48 FR 57136, Dec. 28, 1983, as amended at 52 kHz band) which are under common FR 5295, Feb. 20, 1987; 52 FR 43079, Nov. 9, control may request that their call 1987; 56 FR 64873, Dec. 12, 1991; 59 FR 31556, signs be conformed by the assignment June 20, 1994] of the same basic call sign if that call sign is not being used by a non-com- § 73.3555 Multiple ownership. monly owned station. For the purposes (a)(1) Radio contour overlap rule. No li- of this paragraph, 50% or greater com- cense for an AM or FM broadcasting mon ownership shall constitute a station shall be granted to any party prima facie showing of common con- (including all parties under common trol. control) if the grant of such license (j) The provisions of this section will result in overlap of the principal shall not apply to International broad- community contour of that station and cast stations, to stations authorized the principal community contour of under Part 74 of the rules (except as any other broadcasting station directly provided in § 74.783 of this chapter), nor or indirectly owned, operated, or con- to FM or TV stations seeking to mod- trolled by the same party, except that ify an existing call sign only to the ex- tent of adding or deleting an ‘‘–FM’’ or such license may be granted in connec- ‘‘–TV’’ suffix. The latter additions and tion with a transfer or assignment deletions may be effective upon notifi- from an existing party with such inter- cation to the Commission. ests, or in the following circumstances: (k) Unless subject to a pending trans- (i) In a radio market with 45 or more fer or assignment application, a change commercial radio stations, a party in call sign assignment will be made ef- may own, operate, or control up to 8 fective on the date specified in the commercial radio stations, not more telegram authorizing the change. In than 5 of which are in the same service this regard, the applicant may include (AM or FM); with its application a request for a spe- (ii) In a radio market with between 30 cific effective date to take place within and 44 (inclusive) commercial radio 45 days of the submission of its applica- stations, a party may own, operate, or

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control up to 7 commercial radio sta- (ii) The number of stations in a radio tions, not more than 4 of which are in market is the number of commercial the same service (AM or FM); stations whose principal community (iii) In a radio market with between contours overlap, in whole or in part, 15 and 29 (inclusive) commercial radio with the principal community contours stations, a party may own, operate, or of the stations in question (i.e., the control up to 6 commercial radio sta- station for which an authorization is tions, not more than 4 of which are in sought and any station in the same the same service (AM or FM); and service that would be commonly owned (iv) In a radio market with 14 or whose principal community contour fewer commercial radio stations, a overlaps the principal community con- party may own, operate, or control up tour of that station). In addition, if the to 5 commercial radio stations, not area of overlap between the stations in more than 3 of which are in the same question is overlapped by the principal service (AM or FM), except that a community contour of a commonly party may not own, operate, or control owned station or stations in a different more than 50 percent of the stations in service (AM or FM), the number of sta- such market. tions in the market includes stations (2) Overlap between two stations in whose principal community contours different services is permissible if nei- overlap the principal community con- ther of those two stations overlaps a tours of such commonly owned station third station in the same service. or stations in a different service. (3) (i) Where the principal commu- (iii) ‘‘Time brokerage’’ is the sale by nity contours of two radio stations a licensee of discrete blocks of time to overlap and a party (including all par- a ‘‘broker’’ that supplies the program- ties under common control) with an at- ming to fill that time and sells the tributable ownership interest in one commercial spot announcements in it. such station brokers more than 15 per- (b) Television contour overlap (duopoly) cent of the broadcast time per week of rule. No license for a TV broadcast sta- the other such station, that party shall tion shall be granted to any party (in- be treated as if it has an interest in the cluding all parties under common con- brokered station subject to the limita- trol) if the grant of such license will re- tions set forth in paragraph (a)(1) of sult in overlap of the Grade B contour this section. This limitation shall of that station (computed in accord- apply regardless of the source of the ance with § 73.684) and the Grade B con- brokered programming supplied by the tour of any other TV broadcast station party to the brokered station. directly or indirectly owned, operated, (ii) Every time brokerage agreement or controlled by the same party. of the type described in paragraph (c) One-to-a-market ownership rule. No (a)(3)(i) of this section shall be under- license for an AM, FM or TV broadcast taken only pursuant to a signed writ- station shall be granted to any party ten agreement that shall contain a cer- (including all parties under common tification by the licensee or permittee control) if such party directly or indi- of the brokered station verifying that rectly owns, operates or controls one it maintains ultimate control over the or more such broadcast stations and station’s facilities, including specifi- the grant of such license will result in: cally control over station finances, per- (1) The predicted or measured 2 mV/m sonnel and programming, and by the groundwave contour of an existing or brokering station that the agreement proposed AM station, computed in ac- complies with the provisions of para- cordance with § 73.183 or § 73.186, encom- graph (a) of this section. passing the entire community of li- (4) For purposes of this paragraph (a): cense of an existing or proposed TV (i) The ‘‘principal community con- broadcast station(s), or the Grade A tour’’ for AM stations is the predicted contour(s) of the TV broadcast sta- or measured 5 mV/m groundwave con- tion(s), computed in accordance with tour computed in accordance with § 73.684, encompassing the entire com- § 73.183 or § 73.186 and for FM stations is munity of license of the AM station; or the predicted 3.16 mV/m contour com- (2) The predicted 1 mV/m contour of puted in accordance with § 73.313. an existing or proposed FM station,

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computed in accordance with § 73.313, their ADI market. Where the relevant encompassing the entire community of application forms require a showing license of an existing or proposed TV with respect to audience reach and the broadcast station(s), or the Grade A application relates to an area where contour(s) of the TV broadcast sta- Arbitron ADI market data are unavail- tion(s), computed in accordance with able, then the applicant shall make a § 73.684, encompassing the entire com- showing as to the number of television munity of license of the FM station. households in its market. Upon such a (d) Daily newspaper cross-ownership showing, the Commission shall make a rule. No license for an AM, FM or TV determination as to the appropriate broadcast station shall be granted to audience reach to be attributed to the any party (including all parties under applicant. common control) if such party directly (ii) TV broadcast station or TV station or indirectly owns, operates or controls excludes stations which are primarily a daily newspaper and the grant of satellite operations. such license will result in: (f) This section is not applicable to (1) The predicted or measured 2 mV/m noncommercial educational FM and contour of an AM station, computed in noncommercial educational TV sta- accordance with § 73.183 or § 73.186, en- tions. compassing the entire community in NOTE 1: The word ‘‘control’’ as used herein which such newspaper is published; or is not limited to majority stock ownership, (2) The predicted 1 mV/m contour for but includes actual working control in what- an FM station, computed in accordance ever manner exercised. with § 73.313, encompassing the entire NOTE 2: In applying the provisions of this community in which such newspaper is section, ownership and other interests in published; or broadcast licensees, cable television systems (3) The Grade A contour of a TV sta- and daily newspapers will be attributed to their holders and deemed cognizable pursu- tion, computed in accordance with ant to the following criteria: § 73.684, encompassing the entire com- munity in which such newspaper is (a) Except as otherwise provided herein, partnership and direct ownership interests published. and any voting stock interest amounting to (e)(1) National television multiple own- 5% or more of the outstanding voting stock ership rule. No license for a commercial of a corporate broadcast licensee, cable tele- TV broadcast station shall be granted, vision system or daily newspaper will be cog- transferred or assigned to any party nizable; (including all parties under common (b) No minority voting stock interest will control) if the grant, transfer or as- be cognizable if there is a single holder of signment of such license would result more than 50% of the outstanding voting stock of the corporate broadcast licensee, in such party or any of its stockhold- cable television system or daily newspaper ers, partners, members, officers or di- in which the minority interest is held; rectors, directly or indirectly, owning, (c) Investment companies, as defined in 15 operating or controlling, or having a U.S.C. 80a–3, insurance companies and banks cognizable interest in TV stations holding stock through their trust depart- which have an aggregate national audi- ments in trust accounts will be considered to ence reach exceeding thirty-five (35) have a cognizable interest only if they hold percent. 10% or more of the outstanding voting stock (2) For purposes of this paragraph (e): of a corporate broadcast licensee, cable tele- vision system or daily newspaper, or if any (i) National audience reach means the of the officers or directors of the broadcast total number of television households licensee, cable television system or daily in the Arbitron Area of Dominant In- newspaper are representatives of the invest- fluence (ADI) markets in which the rel- ment company, insurance company or bank evant stations are located divided by concerned. Holdings by a bank or insurance the total national television house- company will be aggregated if the bank or holds as measured by ADI data at the insurance company has any right to deter- time of a grant, transfer or assignment mine how the stock will be voted. Holdings by investment companies will be aggregated of a license. For purposes of making if under common management. this calculation, UHF television sta- (d) Attribution of ownership interests in a tions shall be attributed with 50 per- broadcast licensee, cable television system cent of the television households in or daily newspaper that are held indirectly

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by any party through one or more interven- sideration in the Memorandum Opinion and ing corporations will be determined by suc- Order in MM Docket No. 83–46, FCC 86–410 cessive multiplication of the ownership per- (released November 28, 1986). Irrespective of centages for each link in the vertical owner- the terms of the certificate of limited part- ship chain and application of the relevant at- nership or partnership agreement, however, tribution benchmark to the resulting prod- no such certification shall be made if the in- uct, except that wherever the ownership per- dividual or entity making the certification centage for any link in the chain exceeds has actual knowledge of any material in- 50%, it shall not be included for purposes of volvement of the limited partners in the this multiplication. [For example, if A owns management or operation of the media-relat- 10% of company X, which owns 60% of com- ed businesses of the partnership. pany Y, which owns 25% of ‘‘Licensee,’’ then (h) Officers and directors of a broadcast li- X’s interest in ‘‘Licensee’’ would be 25% (the censee, cable television system or daily same as Y’s interest since X’s interest in Y newspaper are considered to have a cog- exceeds 50%), and A’s interest in ‘‘Licensee’’ nizable interest in the entity with which would be 2.5% (0.1×0.25). Under the 5% attri- they are so associated. If any such entity en- bution benchmark, X’s interest in ‘‘Li- gages in businesses in addition to its pri- censee’’ would be cognizable, while A’s inter- mary business of broadcasting, cable tele- est would not be cognizable.] vision service or newspaper publication, it (e) Voting stock interests held in trust may request the Commission to waive attri- shall be attributed to any person who holds bution for any officer or director whose du- or shares the power to vote such stock, to ties and responsibilities are wholly unrelated any person who has the sole power to sell to its primary business. The officers and di- such stock, and to any person who has the rectors of a parent company of a broadcast right to revoke the trust at will or to replace licensee, cable television system or daily the trustee at will. If the trustee has a famil- newspaper, with an attributable interest in ial, personal or extra-trust business relation- any such subsidiary entity, shall be deemed ship to the grantor or the beneficiary, the to have a cognizable interest in the subsidi- grantor or beneficiary, as appropriate, will ary unless the duties and responsibilities of be attributed with the stock interests held in the officer or director involved are wholly trust. An otherwise qualified trust will be in- unrelated to the broadcast licensee, cable effective to insulate the grantor or bene- television system or daily newspaper subsidi- ficiary from attribution with the trust’s as- ary, and a statement properly documenting sets unless all voting stock interests held by this fact is submitted to the Commission. the grantor or beneficiary in the relevant [This statement may be included on the ap- broadcast licensee, cable television system propriate Ownership Report.] The officers or daily newspaper are subject to said trust. and directors of a sister corporation of a (f) Holders of non-voting stock shall not be broadcast licensee, cable television system attributed an interest in the issuing entity. or daily newspaper shall not be attributed Holders of debt and instruments such as war- with ownership of these entities by virtue of rants, convertible debentures, options or such status. other non-voting interests with rights of (i) Discrete ownership interests will be ag- conversion to voting interests shall not be gregated in determining whether or not an attributed unless and until conversion is ef- interest is cognizable under this section. An fected. individual or entity will be deemed to have a (g)(1) A limited partnership interest shall cognizable investment if: be attributed to a limited partner unless (1) The sum of the interests held by or that partner is not materially involved, di- through ‘‘passive investors’’ is equal to or rectly or indirectly, in the management or exceeds 10 percent; or operation of the media-related activities of (2) The sum of the interests other than the partnership and the licensee or system so those held by or through ‘‘passive investors’’ certifies. is equal to or exceeds 5 percent; or (2) In order for a licensee or system to (3) The sum of the interests computed make the certification set forth in paragraph under paragraph (i)(1) of this section plus the (g)(1) of this section, it must verify that the sum of the interests computed under para- partnership agreement or certificate of lim- graph (i)(2) of this section is equal to or ex- ited partnership, with respect to the particu- ceeds 10 percent. lar limited partner exempt from attribution, NOTE 3: In cases where record and bene- establishes that the exempt limited partner ficial ownership of voting stock is not iden- has no material involvement, directly or in- tical (e.g., bank nominees holding stock as directly, in the management or operation of record owners for the benefit of mutual the media activities of the partnership. The funds, brokerage houses holding stock in criteria which would assume adequate insu- street names for the benefit of customers, in- lation for purposes of this certification are vestment advisors holding stock in their own described in the Memorandum Opinion and names for the benefit of clients, and insur- Order in MM Docket No. 83–46, FCC 85–252 ance companies holding stock), the party (released June 24, 1985), as modified on recon- having the right to determine how the stock

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will be voted will be considered to own it for which completely encompasses the commu- purposes of these rules. nity of publication of a commonly owned, op- NOTE 4: Paragraphs (a) through (e) of this erated, or controlled daily newspaper, or the section will not be applied so as to require community of license of a commonly owned, divestiture, by any licensee, of existing fa- operated, or controlled AM or FM broadcast cilities, and will not apply to applications station, or the community of license of for increased power for Class C stations, to which is completely encompassed by the 2 applications for assignment of license or mV/m contour of such AM broadcast station transfer of control filed in accordance with or the 1 mV/m contour of such FM broadcast § 73.3540(f) or § 73.3541(b), or to applications station, may subsequently become a ‘‘non- for assignment of license or transfer of con- satellite’’ station under the circumstances trol to heirs or legatees by will or intestacy described in the aforementioned Report and if no new or increased overlap would be cre- Order in MM Docket No. 87–8. However, such ated between commonly owned, operated or commonly owned, operated, or controlled controlled broadcast stations in the same ‘‘non-satellite’’ television stations and AM service and if no new encompassment of or FM stations with the aforementioned Communities proscribed in paragraphs (c) community encompassment, may not be and (d) of this section as to commonly transferred or assigned to a single person, owned, operated or controlled broadcast sta- group, or entity except as provided in Note 4 tions or daily newspaper would result. Said of this section. Nor shall any application for paragraphs will apply to all applications for assignment or transfer concerning such new stations, to all other applications for as- ‘‘non-satellite’’ stations be granted if the as- signment or transfer, and to all applications signment or transfer would be to the same for major changes in existing stations except person, group or entity to which the com- major changes that will result in overlap of monly owned, operated, or controlled news- contours of broadcast stations in the same paper is proposed to be transferred, except as service with each other no greater than al- provided in Note 4 of this section. ready existing. (The resulting areas of over- NOTE 6: For the purposes of this section a lap of contours of such broadcast stations daily newspaper is one which is published with each other in such major change cases four or more days per week, which is in the may consist partly or entirely of new ter- English language and which is circulated rain. However, if the population in the re- generally in the community of publication. sulting areas substantially exceeds that in A college newspaper is not considered as the previously existing overlap areas, the being circulated generally. Commission will not grant the application if it finds that to do so would be against the NOTE 7: The Commission will entertain re- public interest, convenience or necessity.) quests to waive the restrictions of paragraph Commonly owned, operated or controlled (c) of this section on a case-by-case basis. broadcast stations with overlapping contours The Commission will look favorably upon or with community-encompassing contours waiver applications that meet either of the prohibited by this section may not be as- following two standards: signed or transferred to a single person, (1) Those involving radio and television group or entity, except as provided above in station combinations in the top 25 television this note and by § 73.3555(a). If a commonly markets where there will be at least 30 sepa- owned, operated or controlled broadcast sta- rately owned, operated and controlled broad- tion and daily newspaper fall within the en- cast licensees after the proposed combina- compassing proscription of this section, the tion, as determined by counting television li- station may not be assigned to a single per- censees in the relevant ADI television mar- son, group or entity if the newspaper is being ket and radio licensees in the relevant tele- simultaneously sold to such single person, vision metropolitan market; group or entity. (2) Those involving ‘‘failed’’ broadcast sta- NOTE 5: Paragraphs (a) through (e) of this tions that have not been operated for a sub- section will not be applied to cases involving stantial period of time, e.g., four months, or television stations that are ‘‘satellite’’ oper- that are involved in bankruptcy proceedings. ations. Such cases will be considered in ac- For the purposes of determining the top 25 cordance with the analysis set forth in the ADI television markets, the relevant ADI Report and Order in MM Docket No. 87–8, FCC television market, and the relevant tele- 91–182( released July 8, 1991), in order to de- vision metropolitan market for each pro- termine whether common ownership, oper- spective combination, we will use the most ation, or control of the stations in question recent Arbitron Ratings Television ADI Market would be in the public interest. An author- Guide. We will determine that number of ized and operating ‘‘satellite’’ television sta- radio stations in the relevant television met- tion, the Grade B contour of which overlaps ropolitan market and the number of tele- that of a commonly owned, operated, or con- vision licensees within the relevant ADI tele- trolled ‘‘non-satellite’’ parent television vision market based on the most recent broadcast station, or the Grade A contour of Commission ownership records.

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Other waiver requests will be evaluated on ment if the principal community con- a more rigorous case-by-case basis, as set tours (predicted or measured 5 mV/m forth in the Second Report and Order in MM groundwave for AM stations and pre- Docket No. 87–7, FCC 88–407, released Feb- dicted 3.16 mV/m for FM stations) of ruary 23, 1989, and Memorandum Opinion and Order in MM Docket No. 87–7, FCC 89–256, re- the stations overlap and the overlap leased August 4, 1989. constitutes more than 50 percent of the total principal community contour NOTE 8: Paragraph (a)(1) of this section will not apply to an application for an AM sta- service area of either station. tion license in the 535–1605 kHz band where (b) For purposes of this section, du- grant of such application will result in the plication means the broadcasting of overlap of 5 mV/m groundwave contours of identical programs within any 24 hour the proposed station and that of another AM period. station in the 535–1605 kHz band that is com- (c) Any party engaged in a time bro- monly owned, operated or controlled if the kerage arrangement which conflicts applicant shows that a significant reduction in interference to adjacent or co-channel sta- with the requirements of paragraph (a) tions would accompany such common owner- of this section on September 16, 1992, ship. Such AM overlap cases will be consid- shall bring that arrangement into com- ered on a case-by-case basis to determine pliance within one year thereafter. whether common ownership, operation or control of the stations in question would be [57 FR 18093, Apr. 29, 1992, as amended at 57 in the public interest. Applicants in such FR 42706, Sept. 16, 1992] cases must submit a contingent application EFFECTIVE DATE NOTE: At 57 FR 18093, Apr. of the major or minor facilities change need- 29, 1992, § 73.3556 was added, effective August ed to achieve the interference reduction 1, 1992. At 57 FR 35763, Aug. 11, 1992, the effec- along with the application which seeks to tive date was deferred pending action by the create the 5 mV/m overlap situation. agency. At 57 FR 37888, Aug. 21, 1992, the ef- NOTE 9: Paragraph (a)(1) of this section will fective date was further deferred. At 57 FR not apply to an application for an AM sta- 42706, Sept. 16, 1992, paragraph (a) was revised tion license in the 1605–1705 kHz band where and paragraph (c) was added, effective Sep- grant of such application will result in the tember 16, 1992. The agency will publish a no- overlap of the 5 mV/m groundwave contours tice of the effective date of paragraph (b) in of the proposed station and that of another the FEDERAL REGISTER at a later date. AM station in the 535–1605 kHz band that is commonly owned, operated or controlled. § 73.3561 Staff consideration of appli- Paragraphs (d)(1)(i) and (d)(1)(ii) of this sec- cations requiring Commission ac- tion will not apply to an application for an tion. AM station license in the 1605–1705 kHz band Upon acceptance of an application, by an entity that owns, operates, controls or has a cognizable interest in AM radio sta- the complete file is reviewed by the tions in the 535–1605 kHz band. staff and, except where the application is acted upon by the staff pursuant to NOTE 10: Authority for joint ownership granted pursuant to Note 9 will expire at 3 delegation of authority, a report con- a.m. local time on the fifth anniversary for taining the recommendations of the the date of issuance of a construction permit staff and any other documents required for an AM radio station in the 1605–1705 kHz is prepared and placed on the Commis- band. sion’s agenda.

[59 FR 49007, Sept. 26, 1994, as amended at 59 [44 FR 38499, July 2, 1979] FR 62613, Dec. 6, 1994; 61 FR 10690 and 10692, Mar. 15, 1996] § 73.3562 Staff consideration of appli- cations not requiring action by the § 73.3556 Duplication of programming Commission. on commonly owned or time bro- Those applications which do not re- kered stations. quire action by the Commission but (a) No commercial AM or FM radio which, pursuant to the delegations of station shall operate so as to devote authority set forth in subpart B of part more than 25 percent of the total hours 0, may be acted upon by the Chief, in its average broadcast week to pro- Mass Media Bureau, are forwarded to grams that duplicate those of any sta- the Mass Media Bureau for necessary tion in the same service (AM or FM) action. If the application is granted, which is commonly owned or with the formal authorization is issued. In which it has a time brokerage agree- any case where it is recommended that

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the application be set for hearing, tunity for corrective amendment will where a novel question of policy is pre- be dismissed with no further oppor- sented, or where the Chief, Mass Media tunity for corrective amendment. In Bureau desires instructions from the the case of low power TV, TV trans- Commission, the matter is placed on lator and TV booster applications, the Commission agenda. those found to be substantially com- [49 FR 14509, Apr. 12, 1984] plete will be listed on a Commission public notice as tendered for filing and § 73.3564 Acceptance of applications. given file numbers. Those that are not (a) Applications tendered for filing substantially complete will be returned are dated upon receipt and then for- to the applicant. If it is determined warded to the Mass Media Bureau, that a low power TV, TV translator or where an administrative examination TV booster application is substantially is made to ascertain whether the appli- complete but contains some defect(s) cations are complete. Except for non- or omission(s), a deficiency letter will reserved band FM (except for Class D) be issued affording the applicant 30 applications, those found to be com- days to correct the defect. If the defect plete or substantially complete are ac- is not corrected within 30 days of the cepted for filing and are given file date on the deficiency letter, the appli- numbers.In the case of minor defects as cation will be returned with no further to completeness, the applicant will be opportunity to amend. required to supply the missing or cor- NOTE: For non-reserved band FM applica- rect information. Applications that are tions received prior to August 7, 1992 applica- not substantially complete will be re- tions with deficiencies in tender and/or ac- turned to the applicant. In the case of ceptance information will be returned to the non-reserved band FM applications re- applicant without an opportunity for correc- ceived on or after August 7, 1992, appli- tive amendment. See 50 FR 19936 (May 13, cations will be placed on public notice 1985). if they meet the following two-tiered (b) Acceptance of an application for minimum filing requirement prior to filing merely means that it has been close of the filing window in window the subject of a preliminary review by proceedings and as initially filed in the FCC’s administrative staff as to first come/first served proceedings: completeness. Such acceptance will not (1) The application must include: preclude the subsequent dismissal of (i) Applicant’s name and address, the application if it is found to be pa- (ii) Applicant’s original signature, tently not in accordance with the (iii) Principal community, FCC’s rules. (iv) Channel or frequency, (c) At regular intervals, the FCC will (v) Class of station, and issue a Public Notice listing all appli- (vi) Transmitter site coordinates; and cations and major amendments thereto (2) The application must not omit which have been accepted for filing, ex- more than 3 of the second tier items cept for low power TV, TV translator, specified in appendix C, Report and TV booster, and non-reserved band FM Order, MM Docket No. 91–347, FCC 92– stations. Pursuant to §§ 73.3571(c), 328, 7 FCC Rcd 5074 (1992). Applications 73.3572(c) and 73.3573(d) such notice found not to meet minimum filing re- shall establish a cut-off date (not less quirements will be returned to the ap- than 30 days from the date of issuance) plicant. Applications found to meet for the filing of mutually exclusive ap- minimum filing requirements but that plications and petitions to deny. How- contain deficiencies in tender and/or ever, no application will be accepted acceptance information shall be given for filing unless certification of compli- an opportunity for corrective amend- ance with the local notice require- ment pursuant to § 73.3522. Applications ments of § 73.3580(h) has been made in found to be substantially complete and the tendered application. in accordance with the Commission’s (d) New and major change applica- core legal and technical requirements tions for non-reserved band FM sta- will be accepted for filing. Applications tions (except for Class D stations) and with uncorrected tender and/or accept- for low power TV and TV translator ance defects remaining after the oppor- stations will be accepted only on

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date(s) specified by the Commission. (5) If a non-reserved band FM channel Low power TV and TV translator sta- allotment is vacant after the grant of a tion filing period(s) will be designated construction permit becomes final, be- by the Commission in a Public Notice. cause of a lapsed construction permit No more than five (5) applications for or for any other reason, the FCC will, new low power TV or TV translator by Public Notice, announce a subse- stations may be tendered for filing by quent filing window for the acceptance any applicant, or by any individual or of new applications for such channels. entity having an interest of one (1) per- (6) However, no application will be cent or greater in any applicant(s) in a accepted for tender unless certification single filing period. This restriction of compliance with the local notice re- does not apply to applications for quirements of § 73.3580(h) has been major or minor changes in low power made in the tendered application. TV or TV translator stations as defined (e) Applications for operation in the by § 73.3572. Non-reserved band FM fa- 1605–1705 kHz band will be accepted cilities and major change applications only if filed pursuant to the terms of will have filing dates designated by the § 73.30(b). Commission in the following manner: [44 FR 38499, July 2, 1979, as amended at 50 (1) For all vacant non-reserved band FR 19943, May 13, 1985; 52 FR 7421, Mar. 11, FM allocations listed on the FM Table 1987; 52 FR 31400, Aug. 20, 1987; 56 FR 64873, Dec. 12, 1991; 57 FR 34878, Aug. 7, 1992; 59 FR of Allotments, § 73.202, as of March 14, 31556, June 20, 1994] 1985, a one-time filing period or ‘‘win- dow’’ will open for 30 days, beginning § 73.3566 Defective applications. on the 31st day after the date of publi- (a) Applications which are deter- cation of the Report and Order in MM mined to be patently not in accordance Docket No. 84–750 in the FEDERAL REG- with the FCC rules, regulations, or ISTER and will close on the 60th day other requirements, unless accom- after such publication. (This filing win- panied by an appropriate request for dow does not apply to the 689 FM chan- waiver, will be considered defective and nels added to the FM Table of Allot- will not be accepted for filing or if in- ments by the Commission’s decision in advertently accepted for filing will be MM Docket No. 84–231). dismissed. Requests for waiver shall (2) The 689 FM allocations added to show the nature of the waiver or excep- the FM Table of Allotments by MM tion desired and shall set forth the rea- Docket 84–231 will be subject to a series sons in support thereof. of windows. The Audio Services Divi- (b) If an applicant is requested by the sion of the Mass Media Bureau will es- FCC to file any additional documents tablish, by Public Notice, the window or information not included in the pre- filing dates for this group of allot- scribed application form, a failure to ments. comply with such request will be (3) Each Report and Order specifying a deemed to render the application defec- new non-reserved FM band allocation tive, and such application will be dis- will identify the window filing period missed. which will begin upon the effective [44 FR 38499, July 2, 1979] date of that Order and continue for at least 30 days. § 73.3568 Dismissal of applications. (4) Where no applications are ten- (a) Subject to the provisions of dered during a window filing period, ap- § 73.3523 (Dismissal of applications in plications may be tendered any time renewal proceedings) and § 73.3525 after the window closes. These applica- (Agreements for removing application tions will be processed on a ‘‘first conflicts), any application may, upon come/first serve’’ basis and will be request of the applicant be dismissed treated as simultaneously filed if filed without prejudice as a matter of right on the same day. Any applications re- prior to the designation of such appli- ceived after the filing of a lead appli- cation for hearing. An applicant’s re- cant will be placed in a queue, accord- quest for the return of an application ing to filing date, behind the lead ap- that has been accepted for filing will be plicant. regarded as a request for dismissal.

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(b) Failure to prosecute an applica- (3) The third group consists of appli- tion, or failure to respond to official cations for operation in the 1605–1705 correspondence or request for addi- kHz band which are filed subsequent to tional information, will be cause for Commission notification that allot- dismissal. Subject to the provisions of ments have been awarded to petition- § 73.3525, such dismissal will be without ers under the procedure specified in prejudice where an application has not § 73.30. yet been designated for hearing, but (b) If an application is amended so as may be made with prejudice after des- to effect a major change as defined in ignation for hearing. paragraph (a)(1) of this section or so as (c) Subject to the provisions of to result in a situation where the origi- § 73.3523 (Dismissal of applications in nal party or parties to the application renewal proceedings) and § 73.3525 do not retain more than 50% ownership (Agreements for removing application interest in the application as originally conflicts), requests to dismiss an appli- filed, § 73.3580 will apply to such amend- cation without prejudice after it has been designated for hearing will be ed application. considered only upon written petition (c) Applications for new stations or properly served upon all parties of for major changes in the facilities of record. Such requests shall be granted authorized stations are processed as only upon a showing that the request is nearly as possible in the order in which based on circumstances wholly beyond they are filed. Such applications will the applicant’s control which preclude be placed in the processing line in nu- further prosecution of his application. merical sequence, and are drawn by the staff for study, the lowest file number [44 FR 38499, July 2, 1979, as amended at 54 first. Thus, the file number determines FR 22599, May 25, 1989] the order in which the staff’s work is § 73.3571 Processing of AM broadcast begun on a particular application or station applications. group of conflicting applications. In (a) Applications for AM broadcast fa- order that those applications which are cilities are divided into three groups. entitled to be grouped for processing (1) In the first group are applications may be fixed prior to the time process- for new stations or for major changes ing of the earliest filed application is in the facilities of authorized stations. begun, the FCC will periodically re- A major change is any increase in lease a Public Notice listing applica- power except where accompanied by a tions which have been accepted for fil- complimentary reduction of antenna ing and announcing a date (not less efficiency which leads to the same than 30 days after release) on which the amount, or less, radiation in all direc- listed applications will be considered tions (in the horizontal and vertical available and ready for processing and planes when skywave propagation is in- by which all mutually exclusive appli- volved, and in the horizontal plane cations and/or petitions to deny the only for daytime considerations), rel- listed applications must be filed. ative to the presently authorized radi- (1) In order to grant a major or minor ation levels, or any change in fre- change application made contingent quency, hours of operation, or commu- upon the grant of another licensee’s re- nity of license. However, the FCC may, quest for a facility modification, the within 15 days after the acceptance for Commission will not consider mutually filing of any other application for exclusive applications by other parties modification of facilities, advise the that would not protect the currently applicant that such application is con- authorized facilities of the contingent sidered to be one for a major change applicants. Such major change applica- and therefore is subject to the provi- tions remain, however, subject to the sions of §§ 73.3580 and 1.1111 of this provisions of §§ 73.3580 and 1.1111. The chapter pertaining to major changes. Commission shall grant contingent re- (2) The second group consists of ap- quests for construction permits for sta- plications for licenses and all other tion modifications only upon a finding changes in the facilities of authorized that such action will promote the pub- stations. lic interest, convenience and necessity.

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(2) In addition to announcing the ac- out causing prohibited interference to ceptance of mutually exclusive applica- other domestic or foreign stations, or tions and establishing a date for the to co-channel or adjacent channel sta- filing of petitions to deny such applica- tions for which pending applications tions, the public notice referred to in were filed before December 1, 1987. paragraph (c) of this section will also (ii) Stations accepting such modifica- announce the date on which all mutu- tion shall be reclassified. Those author- ally exclusive applicants (including the ized in such Show Cause Orders to op- previously accepted lead applicant) erate during nighttime hours with a will be required to pay the hearing fee power of 0.25 kW or more, or with a established in part 1 of these rules, 47 power that, although less than 0.25 kW, CFR 1.1104(2)(c) of this chapter. The is sufficient to enable them to attain date for fee payment shall be at least RMS field strengths of 141 mV/m or 30 days after the date established for more at 1 kilometer, shall be redesig- peitions to deny. nated as Class II–B stations if they are (3) Whenever the public notice an- assigned to 940 or 1550 kHz, and as un- nounces the acceptance of an applica- limited-time Class III stations if they tion that is mutually exclusive with a are assigned to regional channels. renewal application, it shall also an- (iii) Stations accepting such modi- nounce that the mutually exclusive ap- fication that are authorized to operate plicants and the renewal applicant will during nighttime hours at powers less be required to pay the hearing fee on than 0.25 kW, and that cannot with the date established in the public no- such powers attain RMS field strengths tice. of 141 mV/m or more at 1 kilometer, (d) Applications proposing to in- shall be redesignated as Class II–S sta- crease the power of an AM station are tions if they are assigned to 940 or 1550 subject to the following requirements: kHz, and as Class III–S stations if they (1) In order to be acceptable for fil- are assigned to regional channels. ing, any application which does not in- (iv) Applications for new stations volve a change in site must propose at may be filed at any time on 940 and least a 20% increase in the station’s 1550 kHz and on the regional channels. nominal power. Also, stations assigned to 940 or 1550 (2) Applications involving a change in kHz, or to the regional channels, may site are not subject to the require- at any time, regardless of their classi- ments in paragraph (d)(1) of this sec- fications, apply for power increases up tion. to the maximum generally permitted. (3) Applications for nighttime power Such applications for new or changed increases for Class D stations are not facilities will be granted without tak- subject to the requirements of this sec- ing into account interference caused to tion and will be processed as minor Class II–S or Class III–S stations, but changes. will be required to show interference (4) [Reserved] protection to other classes of stations, (5) The following special procedures including stations that were previously will be followed in authorizing Class II– classified as Class II–S or Class III–S, D daytime-only stations on 940 and 1550 but were later reclassified as Class II– kHz, and Class III daytime-only sta- B or Class III unlimited-time stations tions on the 41 regional channels listed as a result of subsequent facilities in § 73.26(a), to operate unlimited-time. modifications that permitted power in- (i) Each eligible daytime-only station creases qualifying them to in the foregoing categories will receive discountinue their ‘‘S’’ subclassifica- an Order to Show Cause why its license tion. should not be modified to specify oper- (e) Applications other than those for ation during nighttime hours with the new stations or for major changes in facilities it is licensed to start using at the facilities of authorized stations are local sunrise, using the power stated in not placed on the processing line but the Order to Show Cause, that the are processed as nearly as possible in Commission finds is the highest night- the order in which they are filed. time level—not exceeding 0.5 kW—at (f) Applications for change of license which the station could operate with- to change hours of operation of a Class

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C station, to decrease hours of oper- amendment or by a series of amend- ation of any other class of station, or ments) so as to result in a situation to change station location involving no where the original party or parties to change in transmitter site will be con- the application do not retain more sidered without reference to the proc- than 50% ownership interest in the ap- essing line. plication as originally filed, and (g) If, upon examination, the FCC § 73.3580 will apply to such amended ap- finds that the public interest, conven- plication. ience and necessity will be served by (3) Where an amendment to an appli- the granting of an application, the cation would require a new file number same will be granted. If the FCC is un- pursuant to paragraph (j)(1) or (j)(2) of able to make such a finding and it ap- this section, the applicant will have an pears that a hearing may be required, opportunity to withdraw the amend- the procedure set forth in § 73.3593 will ment at any time prior to designation be followed. for a hearing if applicable; and may be (h) When an application which has afforded, subject to the discretion of been designated for hearing has been the Administrative Law Judge, an op- removed from the hearing docket, the portunity to withdraw the amendment application will be returned to its prop- after designation for a hearing. er position (as determined by the file (4) An application for changes in the number) in the processing line. Wheth- facilities of an existing station will er or not a new file number will be as- continue to carry the same file number signed will be determined pursuant to even though (pursuant to FCC ap- paragraph (i) of this section, after the proval) an assignment of license or application has been removed from the transfer of control of said licensee or hearing docket. permittee has taken place if, upon con- (i)(1) A new file number will be as- summation, the application is amended signed to an application for a new sta- to reflect the new ownership. tion, or for major changes in the facili- (j) When an application is reached for ties of an authorized station, when it is processing, and it is necessary to ad- amended to change frequency, to in- dress a letter to the applicant asking crease power, to increase hours of oper- further information, the application ation, or to change station location. will not be processed until the informa- Any other amendment modifying the tion requested is received, and the ap- engineering proposal, except an amend- plication will be placed in the pending ment regarding the type of equipment file to await the applicant’s response. specified, will also result in the assign- (k) When an application is placed in ment of a new file number unless such the pending file, the applicant will be amendment is accompanied by a com- notified of the reason for such action. plete engineering study showing that [44 FR 38501, July 2, 1979; 44 FR 40311, July 10, the amendments would not involve new 1979, as amended at 46 FR 36852, July 16, 1981; or increased interference problems 49 FR 14745, Apr. 13, 1984; 49 FR 32589, Aug. 15, with existing stations or other applica- 1984; 49 FR 48187, Dec. 11, 1984; 50 FR 18848, tions pending at the time the amend- May 2, 1985; 50 FR 24522, June 11, 1985; 52 FR 21311, June 5, 1987; 53 FR 1032, Jan. 15, 1988; 54 ment is filed. If, after submission and FR 39534, Sept. 27, 1989; 55 FR 19265, May 9, acceptance of such an engineering 1990; 56 FR 795, Jan. 9, 1991; 56 FR 64874, Dec. amendment, subsequent examination 12, 1991; 61 FR 46563, Sept. 4, 1996] indicates new or increased interference problems within either existing sta- § 73.3572 Processing of TV broadcast, tions or other applications pending at low power TV, TV translator and the time the amendment was received TV booster station applications. at the FCC, the application will then (a) Applications for TV stations are be assigned a new file number and divided into two groups: placed in the processing line according (1) In the first group are applications to the numerical sequence of the new for new stations or major changes in file number. the facilities of authorized stations. A (2) A new file number will be assigned major change for TV broadcast sta- where an application for a new station tions authorized under this part is any is amended (whether by a single change in frequency or community of

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license which is in accord with a of this section, or result in a situation present allotment contained in the where the original party or parties to Table of Allotments (§ 73.606). Other re- the application do not retain more quests for change in frequency or com- than 50% ownership interest in the ap- munity of license for TV broadcast sta- plication as originally filed and § 73.3580 tions must first be submitted in the will apply to such amended applica- form of a petition for rulemaking to tion. An application for change in the amend the Table of Allotments. In the facilities of any existing station will case of low power TV, TV translator, continue to carry the same file number and TV booster stations authorized even though (pursuant to FCC ap- under Part 74 of this chapter, a major proval) an assignment of license or change is any change in: transfer of control of such licensee or (i) Frequency (output channel) as- permittee has taken place if, upon con- signment (does not apply to TV boost- summation, the application is amended ers); to reflect the new ownership. (ii) Transmitting antenna system in- (c) Where an amendment to an appli- cluding the direction of the radiation, cation would require a new file number directive antenna pattern or trans- pursuant to paragraph (b) of this sec- mission line; tion, the applicant will have the oppor- (iii) Antenna height; tunity to withdraw the amendment at (iv) Antenna location exceeding 200 any time prior to designation for a meters; or hearing if applicable; and may be af- (v) Authorized operating power. forded, subject to the discretion of the (2) However, if the proposed modifica- Administrative Law Judge, an oppor- tion of facilities, other than a change tunity to withdraw the amendment in frequency, will not increase the sig- after designation for a hearing. nal range of the low power TV, TV (d) Applications for TV stations, translator or TV booster station in any other than low power TV, TV trans- horizontal direction, the modification lator and TV booster stations, will be will not be considered a major change. processed as nearly as possible in the Provided, that in the case of an author- order in which they are filed. Such ap- ized low power TV, TV translator or plications will be placed in the process- TV booster station which is predicted ing line in numerical sequence, and to cause or receive interference to or will be drawn by the staff for study, from an authorized TV broadcast sta- the lowest file number first. In order tion pursuant to § 74.705 or interferes that those applications which are enti- with broadcast or other services under tled to be grouped for processing may § 74.703 or § 74.709, that an application be fixed prior to the time processing of for a change in output channel, to- the earliest filed application is begun, gether with technical modifications the FCC will periodically release a which are necessary to avoid inter- Public Notice listing applications ference (including a change in antenna which have been accepted for filing and location of less than 16.1 km), will not announcing a date (not less than 30 be considered as an application for a days after issuance) on which the listed major change in those facilities. Pro- applications will be considered avail- vided further, that the FCC may, with- able and ready for processing and by in 15 days after the acceptance of any which all mutually exclusive applica- other application for modification of tions and petitions to deny the listed facilities, advise the applicant that applications must be filed. such application is considered to be one (1) In addition to announcing the ac- for a major change and therefore sub- ceptance of mutually exclusive applica- ject to the provisions of §§ 73.3580 and tions and establishing a date for the 1.1111 pertaining to major changes. filing of petitions to deny such applica- (b) A new file number will be as- tions, the public notice referred to in signed to an application for a new sta- paragraph (c) of this section will also tion or for major changes in the facili- announce the date on which all mutu- ties of an authorized station, when it is ally exclusive applicants (including the amended so as to effect a major previously accepted lead applicant) change, as defined in paragraph (a)(1) will be required to pay the hearing fee

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established in part 1 of these rules, 47 translator stations will be processed as CFR 1.1104(1)(c) of this chapter. The nearly as possible in the order in which date for fee payment shall be at least they are filed. Such applications will 30 days after the date established for be placed in the processing line in nu- petitions to deny. merical sequence, and will be drawn by (2) Whenever the public notice an- the staff for study, the lowest file num- nounces the acceptance of an applica- ber first. The FCC will specify, by Pub- tion that is mutually exclusive with a lic Notice, a period for filing low power renewal application, it shall also an- TV or TV translator applications. The nounce that the mutually exclusive ap- filing period will open no less than 30 plicants and the renewal applicant will days after release of the Public Notice be required to pay the hearing fee on and remain open for an least five work the date established in the public no- days. tice. (2) Subsequently, the FCC will re- (e) Except for applications for low lease a Public Notice: (i) Establishing a power TV, TV translator and TV boost- date, time, and place for a public lot- er stations, regardless of the number of tery; (ii) accepting for filing mutually applications filed for channels in a city exclusive applications which were or the number of assignments available timely filed during the filing period in that city, those applications which previously specified by the FCC; (iii) are mutually exclusive, i.e., which re- designating the listed mutually exclu- quest the same channel, will be des- sive applications for public lottery pur- ignated for hearing. All other applica- suant to the procedures set forth in tions for channels will, if the appli- § 1.1601 et seq.; and (iv) describing each cants are duly qualified, receive grants. applicant’s certified perferences and se- For example, if channels 6, 13, 47 and 53 lection probabilities and assigning to have been assigned to City X and there each applicant a number block. (It will are pending two applications for Chan- be the applicant’s responsibility to no- nel 6 and one application for each of tify the FCC, within 30 days of the re- the remaining channels, the latter lease of the Public Notice, or any omis- three applications will be considered sions of applications or clerical or grants without hearing and the two mathematical errors in preferences or mutually exclusive applications re- probabilities. The FCC will not enter- questing Channel 6 will be designated tain appeals involving these matters if for hearing. If there are two pending timely notification to the FCC has not applications for Channel 6 and two ap- been made.) If necessary, the FCC will plications for Channel 13, separate release subsequent Public Notices cor- hearings will be held. recting only clerical or mathematical (f) Where applications, other than ap- errors and including any previously plications for low power TV, TV trans- omitted mutually exclusive applica- lator, and TV booster stations, are mu- tions. The public lottery pursuant to tually exclusive because the distance the procedures set forth in § 1.1601 et between the respective proposed trans- seq., will be held no less than 30 days mitter sites is contrary to the station subsequent to the initially released separation requirements set forth in Public Notice announcing the lottery. § 73.610, such applications will be proc- Subsequent to the lottery, the FCC will essed and designated for hearing at the release a Public Notice announcing the time the application with the lower file selection of a tentative selectee result- number is reached for processing. In ing from the lottery and providing and order to be considered mutually exclu- opportunity for the filing of Petitions sive with a lower file number applica- to Deny pursuant to the requirements tion, the higher file number applica- of § 73.3584(c). If, upon examination, the tion must have been accepted for filing FCC finds that the public interest, con- at least one day before the lower file venience and necessity will be served number application has been acted by the granting of a tentative select- upon by the FCC. ee’s application, the same will be (g) Processing of applications for low granted. Those applications which, due power TV and TV translator stations. (1) to the lottery, are no longer mutually Applications for low power TV and TV exclusive with other applications will

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be announced in a Public Notice pro- (5) TV booster station applications posing the grant of those applications may be filed at any time and will be and providing an opportunity for the subject to the following procedures: filing of Petitions to Deny pursuant to (i) Subsequent to filing, the FCC will § 73.3584(c). Groups of mutually exclu- release a Public Notice accepting for sive applicants remaining after a lot- filing and proposing for grant those ap- tery will be designated for lottery. Ap- plications which are not mutually ex- plications which are are not grantable clusive with any other TV translator, due to mutual exclusivity with the per- low power TV, or TV booster applica- mittee selected by lottery will be dis- tion, and providing for the filing of Pe- missed. titions To Deny pursuant to § 73.3584; (ii) Any application received during (3) If, upon examination, the FCC is the filing period for TV translator, low unable to find that the public interest, power TV, or TV booster applications convenience and necessity will be with which it is mutually exclusive served by the granting of a lottery ten- will be included in the relevant public tative selectee’s applications, and it lottery pursuant to § 1.1601 et seq.; and appears that a hearing may be re- (iii) Applications received after the quired, the procedure set forth in filing date for applications with which § 73.3593 will be followed. No further ac- it is mutually exclusive will be dis- tion will be taken with reference to the missed as an untimely filing. other applications in the lottery group from which the tentative selectee was [44 FR 38502, July 2, 1979, as amended at 48 FR 27205, June 13, 1983; 48 FR 34039, July 27, selected until the tentative selectee’s 1983; 49 FR 47843, Dec. 7, 1984; 52 FR 31400, qualifications to be a permittee are re- Aug. 20, 1987; 55 FR 19265, May 9, 1990; 56 FR solved. If the tentative selectee is ulti- 795, Jan. 9, 1991; 56 FR 33720, July 23, 1991] mately found to be unqualified to be a permittee, the procedure set forth in § 73.3573 Processing FM broadcast sta- paragraph (f)(2) of this section will be tion applications. followed. (a) Applications for FM broadcast (4) The FCC will periodically release stations are divided into two groups: a Public Notice accepting for filing and (1) In the first group are applications proposing for grant those applications for new stations or for major changes which were timely filed during the fil- in the facilities of authorized stations. ing period specified by the FCC in a A major change for FM station author- Public Notice for filing low power TV ized under this part is any change in or TV translator applications, but frequency or community of license which are not mutually exclusive with which is in accord with a present allot- ment contained in the Table of Allot- any other application, and providing an ments (73.202 (b)). Other requests for opportunity for the filing of Petitions change in frequency or community of to Deny pursuant to § 73.3584. license for FM stations must first be NOTE 1: Notwithstanding paragraph (f)(1) submitted in the form of a petition for and § 73.3522(a)(3), applications for low power rule making to amend the Table of Al- TV and TV translator stations will be proc- lotments. Applications filed on a first essed within the tiered processing framework come, first served basis may propose a as set forth in Notice on Interim Processing, 45 higher or lower class adjacent, inter- FR 62004 (published September 17, 1980), mediate frequency or co-channel in an Order Imposing Freeze, 46 FR 26062 (published application for a new FM broadcast May 11, 1981), and Report and Order in the station. A licensee or permittee may Matter of Inquiry Into the Future Role of Low Power Television Broadcasting and Television seek the higher or lower class adjacent, Translators in the National Telecommunications intermediate frequency or co-channel System, 47 FR 21468 (published May 18, 1982). or the same class adjacent channel of its existing FM broadcast station au- NOTE 2: Pursuant to § 73.3584(c), the Com- mission may announce, by the Public Notice thorization by filing a minor change designating the applications for public lot- application. For noncommercial edu- tery, that a Notice of Petition to Deny will cational FM stations, a major change be required to be filed no later than 30 days is any change in frequency or commu- after issuance of the Public Notice. nity of license or any change in power

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or antenna location or height above av- hearing may be required, the procedure erage terrain (or combination thereof) given in § 73.3593 will be followed. which would result in a change of 50% (e) Applications for reserved band or more in the area within the sta- and Class D FM broadcast stations will tion’s predicted 1 mV/m field strength be processed as nearly as possible in contour. (A change in area is defined as the order in which they are filed. Such the sum of the area gained and the area applications will be placed in the proc- lost as a percentage of the original essing line in numerical sequence, and area). However, the FCC may within 15 will be drawn by the staff for study, days after the acceptance of the appli- the lowest file number first. In order cation for modification of facilities, ad- that those applications which are enti- vise the applicant that such applica- tled to be grouped for processing may tion is considered to be one for a major be fixed prior to the time processing of change and therefore subject to the the earliest filed application is begun, provisions of §§ 73.3580 and 1.1111 of this the FCC will periodically release a chapter pertaining to major changes. Public Notice listing applications (2) The second group consists of ap- which have been accepted for filing and plications for licenses and all other announcing a date (not less than 30 changes in the facilities of authorized days after publication) on which the stations. listed applications will be considered (b) A new file number will be as- available and ready for processing and signed to an application for a new sta- by which all mutually exclusive appli- tion or for major changes in the facili- cations and/or petitions to deny the ties of an authorized station, when it is listed applications must be filed. amended so as to effect a major (f) Where reserved band plus Class D change, as defined in paragraph (a)(1) applications are mutually exclusive be- of this section, or result in a situation cause the distance between their re- where the original party or parties to spective proposed transmitter sites is the application do not retain more contrary to the station separation re- than 50% ownership interest in the ap- quirements set forth in § 73.507, such plication as originally filed, and applications will be processed and des- § 73.3580 will apply to such amended ap- ignated for hearing at the time the ap- plication. An application for changes in plication with the lower file number is the facilities of any existing station reached for processing. In order to be will continue to carry the same file considered mutually exclusive with a number even though (pursuant to FCC lower file number application, the approval) an assignment of license or higher file number application must transfer of control of such licensee or have been accepted for filing at least permittee has taken place if, upon con- one day before the lower file number summation, the application is amended application has been acted upon by the to reflect the new ownership. FCC. (c) Where an amendment to an appli- (g) Processing non-reserved FM cation would require a new file pursu- broadcast station applications. ant to paragraph (b) of this section, the (1) Applications for non-reserved FM applicant will have the opportunity to broadcast stations will be processed as withdraw the amendment at any time nearly as possible in the order in which prior to designation for a hearing if ap- they are tendered. Such applications plicable; and may be afforded, subject will be placed in the processing line in to the discretion of the Administrative numerical sequence, and will be drawn Law Judge, an opportunity to with- by the staff for study, the lowest file draw the amendment after designation number first. The FCC will specify, for a hearing. pursuant to § 73.3564(d), the filing peri- (d) If, upon examination, the FCC ods for non-reserved band FM applica- finds that the public interest, conven- tions. ience and necessity will be served by (2) All applications received during the granting of an application for FM the appropriate filing period or ‘‘win- broadcast facilities, the same will be dow’’ which are found to be mutually granted. If the FCC is unable to make exclusive will be designated for hear- such a finding and it appears that a ing. All other applications will, if the

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applicants are duly qualified, receive queue dissolves. If there is no queue or grants. The FCC will periodically re- if no queue member is found accept- lease a Public Notice listing applica- able, that allotment remains subject to tions pending hearings or grant and an- ‘‘first come/first serve’’ processing. The nouncing a date (not less than 30 days FCC will periodically release a Public after issuance) by which petitions to Notice listing those pending hearings deny must be filed. or grant and announcing a date (not (i) In addition to announcing the ac- less than 30 days after issuance) by ceptance of mutually exclusive applica- which petitions to deny must be filed. tions and establishing a date for the (h) Resolving processing conflicts be- filing of petitions to deny such applica- tween the reserved and non-reserved tions, the public notice referred to in bands. The reserved bands include paragraph (g)(2) of this section will Class D stations. also announce the date on which all (1) Reserved band applicants, apply- mutually exclusive applicants will be ing for a channel on the non-reserved required to pay the hearing fee estab- band are subject to the processing pro- lished in part 1 of these rules, 47 CFR cedures in paragraph (f). 1.1104(2)(c) of this chapter. The date for (2) If a reserved band applicant has fee payment shall be at least 30 days generated a cut-off list that overlaps a after the date established for petitions non-reserved band window filing pe- to deny. riod, the non-reserved band applicant (ii) Whenever the public notice an- must file within the cut-off if he seeks nounces the acceptance of an applica- mutually exclusive status with the re- tion that is mutually exclusive with a served band applicant. renewal application, it shall also an- (3) Following the close of a non-re- nounce that the mutually exclusive ap- served band application filing window, plicants and the renewal applicant will the non-reserved band applicant is sub- be required to pay the hearing fee on ject to the ‘‘first come/first serve’’ the date established in the public no- rules and would lose to a pre-filed re- tice. served band applicant. (3) If, after the close of the appro- NOTE 1: Applications to modify the channel priate window filing period, a non-re- and/or class of an FM broadcast station to an served FM allotment remains vacant, adjacent channel, intermediate frequency processing for that channel will be on a (IF) channel, or co-channel shall not require ‘‘first come/first serve’’ basis with the any other amendments to the Table of Allot- first acceptable application cutting off ments. Such applications may resort to the the filing rights of subsequent appli- provisions of the Commission’s Rules permit- cants. All applications received on the ting short spaced stations as set forth in same day will be treated as simulta- § 73.215 as long as the applicant shows by sep- arate exhibit attached to the application the neously tendered and, if they are found existence of an allotment reference site to be mutually exclusive, will be des- which meets the allotment standards, the ignated for hearing. Applications re- minimum spacing requirements of § 73.207 ceived after the tender of a lead appli- and the city grade coverage requirements of cation will be grouped, according to fil- § 73.315. This exhibit must include a site map ing date, behind the lead application in or, in the alternative, a statement that the a queue. The priority rights of the lead transmitter will be located on an existing applicant, as against all other appli- tower. Examples of unsuitable allotment ref- erence sites include those which are offshore, cants, are determined by the date of in a national or state park in which tower filing but the filing date for subsequent construction is prohibited, on an airport, or applicants for that channel and com- otherwise in an area which would necessarily munity only reserves a place in the present a hazard to air navigation. queue. The rights of an applicant in a NOTE 2: Processing of applications for new queue ripen only upon a final deter- low power educational FM applications: mination that the lead applicant is un- Pending the Commission’s restudy of the acceptable and if the queue member is impact of the rule changes pertaining to the allocations of 10-watt and other low power reached and found acceptable. The noncommercial educational FM stations, ap- queue will remain behind the lead ap- plications for such new stations, or major plicant until a construction permit is changes in existing ones, will not be accept- finally granted, at which time the ed for filing. Exceptions are: (1) In Alaska,

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applications for new Class D stations or (c) Applications for International major changes in existing ones are accept- stations will be processed as nearly as able for filing; and (2) applications for exist- possible in the order in which they are ing Class D stations to change frequency are filed. acceptable for filing. In (2), upon the grant of such application, the station shall become a [44 FR 38504, July 2, 1979] Class D (secondary) station. (See First Re- port and Order, Docket 20735, FCC 78–386, 43 § 73.3578 Amendments to applications FR 25821, and Second Report and Order, for renewal, assignment or transfer Docket 20735, FCC 78–384, 43 FR 39704.) Effec- of control. tive date of this FCC imposed ‘‘freeze’’ was June 15, 1978. Applications which specify fa- (a) Any amendments to an applica- cilities of at least 100 watts effective radi- tion for renewal of any instrument of ated power will be accepted for filing. authorization shall be considered to be NOTE 3: For rules on processing FM trans- a minor amendment. However, the FCC lator and booster stations, see § 74.1233 of this may, within 15 days after tender for fil- chapter. ing of any amendment, advise the ap- [44 FR 38503, July 2, 1979, as amended at 48 plicant that the amendment is consid- FR 29510, June 27, 1983; 49 FR 32589, Aug. 15, ered to be a major amendment and 1984; 50 FR 19943, May 13, 1985; 54 FR 11954, therefore is subject to the provisions of Mar. 23, 1989; 55 FR 19265, May 9, 1990; 55 FR § 73.3580. 50692, Dec. 10, 1990; 56 FR 796, Jan. 9, 1991; 58 (b) Any amendment to an application FR 38535, July 19, 1993] for assignment of construction permit or license, or consent to the transfer of § 73.3574 Processing of international broadcast station applications. control of a corporation holding such a construction permit or license, shall be (a) Applications for International considered to be a minor amendment, station facilities are divided into two except that any amendment which groups. seeks a change in the ownership inter- (1) In the first group are applications est of the proposed assignee or trans- for new stations, or for major changes feree which would result in a change in in the facilities of authorized stations. control, or any amendment which A major change is any change in or ad- would require the filing of FCC Forms dition to authorized zones or areas of 314, 315, or 345 (see § 73.3540), if the reception, any change in transmitter changes sought were made in an origi- location other than one in the imme- nal application for assignment or diate vicinity of existing antennas of transfer of control, shall be considered the station, or any change in power, or to be a major amendment. However, antenna directivity. However, the FCC the FCC may, within 15 days after the may, within 15 days after the accept- acceptance for filing of any other ance for filing of any other application amendment, advise the applicant that for modification, advise the applicant the amendment is considered to be a that such application is considered to major amendment and therefore is sub- be one for a major change and there- ject to the provisions of § 73.3580. fore is subject to §§ 1.1111 and 73.3580 pertaining to major changes. [44 FR 38504, July 2, 1979, as amended at 51 (2) The second group consists of ap- FR 18451, May 20, 1986] plications for licenses and all other changes in the facilities of authorized § 73.3580 Local public notice of filing of broadcast applications. stations. (b) If an application is amended so as (a) All applications for instruments to effect a major change as defined in of authorization in the broadcast serv- paragraph (a)(1) of this section, or so as ice (and major amendments thereto, as to result in an assignment or transfer indicated in §§ 73.3571, 73.3572, 73.3573, of control which, in the case of an au- 73.3574 and 73.3578) are subject to the thorized station, would require the fil- local public notice provisions of this ing of an application therefor on FCC section, except applications for: Form 314 or 315 (see § 73.3540), § 73.3580 (1) A minor change in the facilities of will apply to such amended applica- an authorized station, as indicated in tion. §§ 73.3571, 73.3572, 73.3573 and 73.3574.

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(2) Consent to an involuntary assign- (1) Notice requirements for these appli- ment or transfer or to a voluntary as- cants are as follows. (i) In a daily news- signment or transfer which does not re- paper of general circulation published sult in a change of control and which in the community in which the station may be applied for on FCC Form 316 is located, or proposed to be located, at pursuant to the provisions of least twice a week for two consecutive § 73.3540(b). weeks in a three-week period; or, (3) A license under section 319(c) of (ii) If there is no such daily news- the Communications Act or, pending paper, in a weekly newspaper of gen- application for or grant of such license, eral circulation published in that com- any special or temporary authorization munity, once a week for 3 consecutive to permit interim operation to facili- weeks in a 4-week period; or, tate completion of authorized con- (iii) If there is no daily or weekly struction or to provide substantially newspaper published in that commu- the same service as would be author- nity, in the daily newspaper from wher- ized by such license. ever published, which has the greatest (4) Extension of time to complete general circulation in that community, construction of authorized facilities. twice a week for 2 consecutive weeks (5) An authorization of facilities for within a 3-week period. remote pickup or studio links for use (2) Notice requirements for applicants in the operation of a broadcast station. for a permit pursuant to section 325(b) of (6) Authorization pursuant to section the Communications Act (‘‘* * * Studios 325(c) of the Communications Act of Foreign Stations’’) are as follows. In a (‘‘* * * studios of foreign stations’’) daily newspaper of general circulation where the programs to be transmitted in the largest city in the principal area are special events not of a continuing to be served in the U.S.A. by the for- nature. eign broadcast station, at least twice a (7) An authorization under any of the week for 2 consecutive weeks within a proviso clauses of section 308(a) of the three-week period. Communications Act concerning appli- (3) Notice requirements for applicants cations for and conditions in licenses. for a change in station location are as fol- (b) Applications (as originally filed lows. In the community in which the or amended) will be acted upon by the station is located and the one in which FCC no sooner than 30 days following it is proposed to be located, in a news- public notice of acceptance for filing or paper with publishing requirements as amendment, except as otherwise per- in paragraphs (c)(1)(i), (ii) or (iii) of mitted in § 73.3542, ‘‘Application for this section. temporary authorization.’’ (4) The notice required in paragraphs (c) An applicant who files an applica- (c)(1), (2) and (3) of this section shall tion or amendment thereto which is contain the information described in subject to the provisions of this sec- paragraph (f) of this section. tion, must give a notice of this filing in (d) The licensee of an operating a newspaper. Exceptions to this re- broadcast station who files an applica- quirement are applications for renewal tion or amendment thereto which is of AM, FM, TV and International subject to the provisions of this section broadcasting stations; low power TV must gibe notice as follows: stations; TV and FM translator sta- (1) An applicant who files for renewal tions, TV booster stations; FM booster of a broadcast station license, other stations; and applications subject to than a low power TV station license paragraph (e) of this section. The local not locally originating programming as public notice must be completed within defined by § 74.701(h), an FM translator 30 days of the tendering of the applica- station or a TV translator station li- tion. In the event the FCC notifies the cense, must give notice of this filing by applicant that a major change is in- broadcasting announcements on appli- volved, requiring the applicant to file cant’s station. (Sample and schedule of public notice pursuant to §§ 73.3571, announcements are below.) Newspaper 73.3572, 73.3573 or 73.3578, this filing no- publication is not required. An appli- tice shall be given in a newspaper fol- cant who files for renewal of a low lowing this notification. power TV station license not locally

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originating programming as defined by Our license will expire on (date). We must § 74.701(h), an FM translator station or file an application for renewal with the FCC a TV translator station license will (date four calendar months prior to expiration comply with (g) below. date). When filed, a copy of this application will be available for public inspection during (2) An applicant who files an amend- our regular business hours. It contains infor- ment of an application for renewal of a mation concerning this station’s perform- broadcast station lincense will comply ance during the last (period of time covered by with paragraph (d)(1) of this section. the application). (3) An applicant who files for modi- Individuals who wish to advise the FCC of facts relating to our renewal application and fication, assignment or transfer of a to whether this station has operated in the broadcast station license (except for public interest should file comments and pe- International broadcast, low power TV, titions with the FCC by (date first day of last TV translator, TV booster, FM trans- full calendar month prior to the month of expi- lator and FM booster stations) shall ration). give notice of the filing in a newspaper Further information concerning the FCC’s as described in paragraph (c) of this broadcast license renewal process is avail- section, and also broadcast the same able at (address of location of the station’s pub- lic inspection file) or may be obtained from notice over the station as follows: the FCC, Washington, DC 20554. (i) At least once daily on four days in the second week immediately following (A) An applicant who files for re- either the tendering for filing of the newal of a low power TV station lo- application or immediately following cally originating programming (as de- notification to the applicant by the fined by § 74.701(h)) shall broadcast this FCC that Public Notice is required pur- announcement, except that statements suant to §§ 73.3571, 73.3572, 73.3573 or indicating there is a public inspection file at the station containing the re- § 73.3578. For commercial radio stations newal application and other informa- these announcements shall be made be- tion on the license renewal process, tween 7 a.m. and 9 a.m. and/or 4 p.m. shall be omitted. and 6 p.m. For stations which neither (B) This announcement shall be made operate between 7 a.m. and 9 a.m. nor during the following time periods: between 4 p.m. and 6 p.m., these an- (1) For commercial TV stations—at nouncements shall be made during the least two of the required announce- first two hours of broadcast operation. ments between 6 p.m. and 11 p.m. (5 For commercial TV stations, these an- p.m. and 10 p.m. Central and Mountain nouncements shall be made between 6 Time). p.m. and 11 p.m. (5 p.m. and 10 p.m. (2) For commercial radio stations—at Central and Mountain time). least two of the required announce- (4) The broadcast notice require- ments between 7 a.m. and 9 a.m. and/or ments for those filing renewal applica- 4 p.m. and 6 p.m. For stations which tions and amendments thereto are as neither operate between 7 a.m. and 9 follows: a.m. nor between 4 p.m. and 6 p.m., at (i) Pre-filing announcements. During least two of the required announce- the period and beginning on the first ments shall be made during the first day of the sixth calendar month prior two hours of broadcast operation. to the expiration of the license, and (3) For noncommercial educational continuing to the date on which the ap- stations, at the same time as commer- plication is filed, the following an- cial stations, except that such stations nouncement shall be broadcast on the need not broadcast the announcement 1st and 16th day of each calendar during any month during which the month. Stations broadcasting pri- station does not operate. marily in a foreign language should (4) For low power TV stations locally broadcast the announcements in that originating programming (as defined language. by § 74.701(h)), at the same time as for commercial TV stations, or as close to On (date of last renewal grant) (Station’s call letters) was granted a license by the Federal that time as possible. Communication Commission to serve the (ii) Post-filing announcements. During public interest as a public trustee until the period beginning of the date on (expiration date). which the renewal application is filed

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to the sixteenth day of the next to last at least one announcement between full calendar month prior to the expira- noon and 4 p.m., and at least one an- tion of the license, all applications for nouncement between 7 p.m. and mid- renewal of broadcast station licenses night. For stations which do not oper- shall broadcast the following an- ate between 7 a.m. and 9 a.m. or be- nouncement on the 1st and 16th day of tween 4 p.m. and 6 p.m., at least three each calendar month. Stations broad- of the required announcements shall be casting primarily in a foreign language made during the first two hours of should broadcast the announcements in broadcast operation. that language. (3) For noncommercial educational stations, at the same time as commer- On (date of last renewal grant) (Station’s call cial stations, except that such stations letters) was granted a license by the Federal Communications Commission to serve the need not broadcast the announcement public interest as a public trustee until during any month during which the (expiration date). station does not operate. In such in- Our license will expire on (date). We have stances noncommercial educational filed an application for renewal with the stations shall meet the requirements in FCC. the exact order specified in paragraph A copy of this application is available for (d)(4)(ii)(A) (1) or (2) of this section public inspection during our regular business (e.g., if only four renewal notices are hours. It contains information concerning this station’s performance during the last broadcast by an educational TV li- (period of time covered by application). censee, 3 must be broadcast between 6 Individuals who wish to advise the FCC of p.m. and 11 p.m. and the fourth be- facts relating to our renewal application and tween 9 a.m. and 1 p.m.). to whether this station has operated in the (4) For low power TV stations locally public interest should file comments and pe- originating programming (as defined titions with the FCC by (date first day of last by § 74.701(h)), at the same time as for full calendar month prior to the month of expi- commercial TV stations, or as close to ration). that time as possible. Further information concerning the FCC’s broadcast license renewal process is avail- (iii) TV broadcast stations (commer- able at (address of location of the station’s pub- cial and noncommercial educational), lic inspection file) or may be obtained from in presenting the pre- and post-filing the FCC, Washington, DC 20554. announcements, must use visuals with the licensee’s and the FCC’s addresses (A) An applicant who files for re- when this information is being orally newal of a low power TV station lo- presented by the announcer. cally originating programming (as de- (iv) Stations which have not received fined by § 74.701(h)) shall broadcast this a renewal grant since the filing of their announcement, except that statements previous renewal application, shall use indicating there is a public inspection the following first paragraph for the file at the station containing the re- pre-filing and the post-filing announce- newal application and other informa- ments: tion on the license renewal process, shall be omitted. (Station’s call letters) is licensed by the Fed- (B) This announcement shall be made eral Communications Commission to serve during the following time periods: the public interest as a public trustee. (1) For commercial TV stations—at (e) When the station in question is least three of the required announce- the only operating station in its broad- ments between 6 p.m. and 11 p.m. (5 cast service which is located in the p.m. and 10 p.m. Central and Mountain community involved, or if it is a non- time), at least one announcement be- commercial educational station, publi- tween 9 a.m. and 1 p.m., at least one cation of the notice in a newspaper, as announcement between 1 p.m. and 5 provided in paragraph (c) of this sec- p.m., and at least one announcement tion is not required, and publication by between 5 p.m. and 7 p.m. broadcast over that station as provided (2) For commercial radio stations—at in paragraph (d) of this section shall be least three of the required announce- deemed sufficient to meet the notice ments between 7 a.m. and 9 a.m. and/or requirements of this section. Non- 4 p.m. and 6 p.m., at least one an- commercial educational broadcast sta- nouncement between 9 a.m. and noon, tions which do not broadcast during

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the portion of the year in which the pe- tion at a stated address in the commu- riod of broadcast of notice falls must nity in which the station is located or comply with the provisions of para- is proposed to be located. See §§ 73.3526 graph (c) of this section. and 73.3527. (f) The notice required by paragraphs (g) An applicant who files for author- (c) and (d) of this section shall contain, ization or major modifications, or a when applicable, the following infor- major amendment thereto, for a low mation, except as otherwise provided power TV, TV translator, TV booster, in paragraphs (d) (1) and (2) and (e) of FM translator, or FM booster station, this section in regard to renewal appli- must give notice of this filing in a cations: daily, weekly or biweekly newspaper of (1) The name of the applicant, if the general circulation in the community applicant is an individual; the names of or area to be served. Likewise, an ap- all partners, if the applicant is a part- plicant for assignment, transfer or re- nership; or the names of all officers and newal, or a major amendment thereto, directors and of those persons holding for a low power TV, TV translator or 10% or more of the capital stock or FM translator station, must give this other ownership interest if the appli- same type of newspaper notice. The fil- cant is a corporation or an unincor- ing notice will be given immediately porated association. (In the case of ap- following the tendering for filing of the plications for assignment or transfer of application or amendment, or imme- control, information should be included diately following notification to the for all parties to the application.) applicant by the FCC that public no- (2) The purpose for which the applica- tice is required pursuant to §§ 73.3572, tion was or will be filed (such as, con- 73.3573, or 73.3578. struction permit, modification, assign- (1) Notice requirements for these ap- ment or transfer of control). plicants are as follows: (3) The date when the application or (i) In a newspaper at least one time; amendment was tendered for filing or with the FCC. (ii) If there is no newspaper published (4) The call letters, if any, of the sta- or having circulation in the commu- tion, and the frequency or channel on nity or area to be served, the applicant which the station is operating or pro- shall determine an appropriate means poses to operate. of providing the required notice to the (5) In the case of an application for general public, such as posting in the construction permit for a new station, local post office or other public place. the facilities sought, including type The notice shall state: and class of station, power, location of (A) The name of the applicant, the studios, transmitter site and antenna community or area to be served, and height. the transmitter site. (6) In the case of an application for (B) The purpose for which the appli- modification of a construction permit cation was filed. or license, the exact nature of the (C) The date when the application or modification sought. amendment was filed with the FCC. (7) In the case of an amendment to an (D) The output channel or channels application, the exact nature of the on which the station is operating or amendment. proposes to operate and the power used (8) In the case of applications for a or proposed to be used. permit pursuant to Section 325(b) of (E) In the case of an application for the Communications Act (‘‘* * * studios changes in authorized facilities, the na- of foreign stations’’), the call letters ture of the changes sought. and location of the foreign radio broad- (F) In the case of a major amendment cast station, the frequency or channel to an application, the nature of the on which it operates, and a description amendment. of the programs to be transmitted over (G) A statement, if applicable, that the station. the station engages in or intends to en- (9) A statement that a copy of the ap- gage in rebroadcasting, and the call plication, amendment(s), and related letters, location and channel of oper- material are on file for public inspec- ation of each station whose signals it is

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rebroadcasting or intends to rebroad- applications are granted or designated cast. for hearing; but where the FCC issues a (H) A statement that invites com- public notice pursuant to the provi- ment from individuals who wish to ad- sions of §§ 73.3571(c), 73.3572(c) or vise the FCC of facts relating to the re- § 73.3573(d), establishing a ‘‘cut-off’’ newal application and whether the sta- date, such petitions must be filed by tion has operated in the public inter- the date specified. In the case of appli- est. cations for transfers and assignments (h) The applicant may certify in the of construction permits or station li- appropriate application that it has or censes, Petitions to Deny must be filed will comply with the public notice re- not later than 30 days after issuance of quirements contained in paragraphs a public notice of the acceptance for (c), (d) or (g) of this section. However, filing of the applications. In the case of an applicant for renewal of a license applications for renewal of license, Pe- that is required to maintain a public titions to Deny may be filed at any inspection file, shall, within 7 days of time up to the deadline established in the last day of broadcast of the re- § 73.3516(e). Requests for extension of quired publication announcements, time to file Petitions to Deny applica- place in its public inspection file a tions for new broadcast stations or statement certifying compliance with major changes in the facilities of exist- § 73.3580 along with the dates and times ing stations or applications for renewal that the pre-filing and post-filing no- of license will not be granted unless all tices were broadcast and the text parties concerned, including the appli- thereof. This certification need not be cant, consent to such requests, or un- filed with the Commission but shall be less a compelling showing can be made retained in the public inspection file that unusual circumstances make the for as long as the application to which filing of a timely petition impossible it refers. and the granting of an extension war- (i) Paragraphs (a) through (h) of this ranted. section apply to major amendments to (b) Except in the case of applications license renewal applications. See for new low power TV or TV translator § 73.3578(a). stations, or for major changes in the [44 FR 38504, July 2, 1979, as amended at 44 existing facilities of such stations, the FR 65765, Nov. 15, 1979; 45 FR 6402, Jan. 28, applicant may file an opposition to any 1980; 46 FR 36852, July 16, 1981; 47 FR 17066, Petition to Deny, and the Petitioner a Apr. 21, 1982; 49 FR 33664, Aug. 24, 1984; 49 FR reply to such opposition in which alle- 47844, Dec. 7, 1984; 50 FR 40015, Oct. 1, 1985; 52 gations of fact or denials thereof shall FR 21686, June 9, 1987; 52 FR 31401, Aug. 20, 1987; 53 FR 26074, July 11, 1988; 57 FR 14647, be supported by affidavit of a person or Apr. 22, 1992; 58 FR 51251, Oct. 1, 1993] persons with personal knowledge there- of. The times for filing such opposi- § 73.3584 Procedure for filing petitions tions and replies shall be those pro- to deny. vided in § 1.45 except that as to a Peti- (a) Except in the case of applications tion to Deny an application for renewal for new low power TV, TV translator or of license, an opposition thereto may TV booster stations, for major changes be filed within 30 days after the Peti- in the existing facilities of such sta- tion to Deny is filed, and the party tions, or for applications for a change that filed the Petition to Deny may in output channel tendered by dis- reply to the opposition within 20 days placed low power TV and TV translator after opposition is due or within 20 stations pursuant to § 73.3572(a)(1), any days after the opposition is filed, party in interest may file with the whichever is longer. The failure to file Commission a Petition to Deny any ap- an opposition or a reply will not nec- plication (whether as originally filed or essarily be construed as an admission if amended so as to require a new file of fact or argument contained in a number pursuant to §§ 73.3571(j), pleading. 73.3572(b), 73.3573(b), 73.3574(b) or (c) In the case of applications for new 73.3578) for which local notice pursuant low power TV, TV translator, or TV to § 73.3580 is required, provided such booster stations, for major changes in petitions are filed prior to the day such the existing facilities of such stations,

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or for applications for a change in out- person may file informal objections to put channel tendered by displaced low the grant. Such objections may be sub- power TV and TV translator stations mitted in letter form (without extra pursuant to § 73.3572(a)(1), any party in copies) and shall be signed. The limita- interest may file with the FCC a Peti- tion on pleadings and time for filing tion to Deny any applcation (whether pleadings provided for in § 1.45 of the as originally filed or if amended so as rules shall not be applicable to any ob- to require a new file number pursuant jections duly filed under this section. to § 73.3572(b)) for which local notice pursuant to § 73.3580 is required, pro- [44 FR 38507, July 2, 1979] vided such petitions are filed within 30 days of the FCC Public Notice propos- § 73.3588 Dismissal of petitions to deny or withdrawal of informal objec- ing the application for grant (appli- tions. cants may file oppositions within 15 days after the Petition to Deny is (a) Whenever a petition to deny or an filed); but where the FCC selects a ten- informal objection has been filed tative permittee pursuant to Section against any application, and the filing 1.1601 et seq., Petitions to Deny shall be party seeks to dismiss or withdraw the accepted only if directed against the petition to deny or the informal objec- tentative selectee and filed after issu- tion, either unilaterally or in exchange ance of and within 15 days of FCC Pub- for financial consideration, that party lic Notice announcing the tentative se- must file with the Commission a re- lectee. The applicant may file an oppo- quest for approval of the dismissal or sition within 15 days after the Petition withdrawal, a copy of any written to Deny is filed. In cases in which the agreement related to the dismissal or minimum diversity preference provided withdrawal, and an affidavit setting for in § 1.1623(f)(1) has been applied, an forth: ‘‘objection to diversity claim’’ and op- (1) A certification that neither the position thereto, may be filed against petitioner nor its principals has re- any applicant receiving a diversity ceived or will receive any money or preference, within the same time pe- other consideration in excess of legiti- riod provided herein for Petitions and mate and prudent expenses in exchange Oppositions. In all pleadings, allega- for the dismissal or withdrawal of the tions of fact or denials thereof shall be petition to deny; supported by appropriate certification. (2) The exact nature and amount of However, the FCC may announce, by any consideration received or prom- the Public Notice announcing the ac- ised; ceptance of the last-filed mutually ex- (3) An itemized accounting of the ex- clusive application, that a notice of Pe- penses for which it seeks reimburse- tition to Deny will be required to be ment; and filed no later than 30 days after issu- (4) The terms of any oral agreement ance of the Public Notice. related to the dismissal or withdrawal (d) Untimely Petitions to Deny, as of the petition to deny. well as other pleadings in the nature of a Petition to Deny, and any other In addition, within 5 days of petition- pleadings or supplements which do not er’s request for approval, each remain- lie as a matter of law or are otherwise ing party to any written or oral agree- procedurally defective, are subject to ment must submit an affidavit setting return by the FCC’s staff without con- forth: sideration. (5) A certification that neither the applicant nor its principals had paid or [48 FR 27206, June 13, 1983, as amended at 52 will pay money or other consideration FR 31401, Aug. 20, 1987; 53 FR 2499, Jan. 28, 1988; 55 FR 28914, July 16, 1990; 61 FR 18291, in excess of the legitimate and prudent Apr. 25, 1996] expenses of the petitioner in exchange for dismissing or withdrawing the peti- § 73.3587 Procedure for filing informal tion to deny; and objections. (6) The terms of any oral agreement Before FCC action on any application relating to the dismissal or withdrawal for an instrument of authorization, any of the petition to deny.

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(b) Citizens’ agreements. For pur- benefit, as well as non-financial con- poses of this section, citizens agree- cessions that confer any type of benefit ments include agreements arising on the recipient. whenever a petition to deny or infor- mal objection has been filed against [54 FR 22598, May 25, 1989. Redesignated and any application and the filing party amended at 55 FR 28914, July 16, 1990] seeks to dismiss or withdraw the peti- § 73.3589 Threats to file petitions to tion or objection in exchange for non- deny or informal objections. financial consideration (e.g., program- ming, ascertainment or employment (a) No person shall make or receive initiatives). The parties to such an any payments in exchange for with- agreement must file with the Commis- drawing a threat to file or refraining sion a joint request for approval of the from filing a petition to deny or an in- agreement, a copy of any written formal objection. For the purposes of agreement, and an affidavit executed this section, reimbursement by an ap- by each party setting forth: plicant of the legitimate and prudent (1) Certification that neither the pe- expenses of a potential petitioner or titioner, nor any person or organiza- objector incurred reasonably and di- tion related to the petitioner, has re- rectly in preparing to file a petition to ceived or will receive any money or deny will not be considered to be pay- other consideration in connection with ment for refraining from filing a peti- the citizens’ agreement other than le- tion to deny or informal objection. gitimate and prudent expenses incurred Payments made directly to a potential in prosecuting the petition to deny; petitioner or objector, or a person re- (2) Certification that neither the pe- lated to a potential petitioner or objec- titioner, nor any person or organiza- tor, to implement nonfinancial prom- tion related to petitioner is or will be ises are prohibited unless specifically involved in carrying out, for a fee, any programming, ascertainment, employ- approved by the Commission. ment or other non-financial initiative (b) Whenever any payment is made in referred to in the citizens’ agreement; exchange for withdrawing a threat to and file or refraining from filing a petition (3) The terms of any oral agreement. to deny or informal objection, the li- (c) For the purposes of this section: censee must file with the Commission a (1) Affidavits filed pursuant to this copy of any written agreement related section shall be executed by the appli- to the dismissal or withdrawal, and an cant, permittee or licensee, if an indi- affidavit setting forth: vidual; a partner having personal (1) Certification that neither the knowledge of the facts, if a partner- would-be petitioner, nor any person or ship; or an officer having personal organization related to the would-be knowledge of the facts, if a corporation petitioner, has received or will receive or association. any money or other consideration in (2) A petition shall be deemed to be connection with the citizens’ agree- pending before the Commission from ment other than legitimate and pru- the time a petition is filed with the dent expenses reasonably incurred in Commission until an order of the Com- preparing to file the petition to deny; mission granting or denying the peti- (2) Certification that unless such ar- tion is no longer subject to reconsider- rangement has been specifically ap- ation by the Commission or to review by any court. proved by the Commission, neither the (3) ‘‘Legitimate and prudent ex- would-be petitioner, nor any person or penses’’ are those expenses reasonably organization related to the would-be incurred by a petitioner in preparing, petitioner, is or will be involved in car- filing, and prosecuting its petition for rying out, for a fee, any programming which reimbursement is being sought. ascertainment, employment or other (4) ‘‘Other consideration’’ consists of nonfinancial initiative referred to in financial concessions, including but the citizens’ agreement; and not limited to the transfer of assets or (3) The terms of any oral agreement. the provision of tangible pecuniary (c) For purposes of this section:

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(1) Affidavits filed pursuant to this Notice as the day the listed application section shall be executed by the li- is to be available and ready for process- censee, if an individual; a partner hav- ing; ing personal knowledge of the facts, if (2) The date prescribed in § 73.3516(e) a partnership; or an officer having per- in the case of applications which are sonal knowledge of the facts, if a cor- mutually exclusive with applications poration or association. for renewal of license of broadcast sta- (2) ‘‘Legitimate and prudent ex- tions; or penses’’ are those expenses reasonably (3) The close of business on the day incurred by a would-be petitioner in designated by the FCC pursuant to preparing to file its petition for which § 73.3564(d) as the date(s) for filing low reimbursement is being sought. power TV or TV translator applica- (3) ‘‘Other consideration’’ consists of tions. financial concessions, including but (c) If a petition to deny the applica- not limited to the transfer of assets or tion has been filed in accordance with the provision of tangible pecuniary § 73.3584 and the FCC makes the grant benefit, as well as non-financial con- in accordance with paragraph (a) of cessions that confer any type of benefit this section, the FCC will deny the pe- on the recipient. tition and issue a concise statement [55 FR 28914, July 16, 1990] setting forth the reasons for denial and disposing of all substantial issues § 73.3591 Grants without hearing. raised by the petition. (a) Except for renewal applications (d) Renewal applications filed after filed after May 1, 1995 which will be May 1, 1995 will be governed by the cri- subject to paragraph (d) of this section, teria established in 47 U.S.C. § 309(k). in the case of any application for an in- strument of authorization, other than [44 FR 38507, July 2, 1979, as amended at 50 FR 47844, Dec. 7, 1984; 59 FR 31557, June 20, a license pursuant to a construction 1994; 61 FR 18291, Apr. 25, 1996] permit, the FCC will make the grant if it finds (on the basis of the application, § 73.3592 Conditional grant. the pleadings filed or other matters which it may officially notice) that the (a) Where a grant of an application application presents no substantial and would preclude the grant of any appli- material question of fact and meets the cation or applications mutually exclu- following requirements: sive with it, the FCC may, if the public (1) There is not pending a mutually interest will be served thereby, make a exclusive application filed in accord- conditional grant of one of the applica- ance with paragraph (b) of this section; tions and designate all of the mutually (2) The applicant is legally, tech- exclusive applications for hearing. nically, financially, and otherwise Such conditional grant will be made qualified; upon the express condition that such (3) The applicant is not in violation grant is subject to being withdrawn if, of provisions of law, the FCC rules, or at the hearing, it is shown that public established policies of the FCC; and interest will be better served by a (4) A grant of the application would grant of one of the other applications. otherwise serve the public interest, Such conditional grants will be issued convenience and necessity. only where it appears: (b) In making its determinations pur- (1) That some or all of the applica- suant to the provisions of paragraph (a) tions were not filed in good faith but of this section, the FCC will not con- were filed for the purpose of delaying sider any other application, or any ap- or hindering the grant of another appli- plication if amended so as to require a cation; or new file number, as being mutually ex- (2) That public interest requires the clusive or in conflict with the applica- prompt establishment of broadcast tion under consideration unless such service in a particular community or other application was substantially area; or complete, and tendered for filing by: (3) That a grant of one or more appli- (1) The close of business on the day cations would be in the public interest, preceding the day designated by Public and that a delay in making a grant to

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any applicant until after the conclu- § 73.3594 Local public notice of des- sion of a hearing on all applications ignation for hearing. might jeopardize the rights of the Unit- (a) Except as otherwise provided in ed States under the provisions of inter- paragraph (c) of this section when an national agreement to the use of the application subject to the provisions of frequency in question; or § 73.3580 (except for applications for (4) That a grant of one application International broadcast, low power TV, would be in the public interest, and TV translator, FM translator, and FM that it appears from an examination of booster stations) is designated for the remaining applications that they hearing, the applicant shall give notice cannot be granted because they are in of such designation as follows: Notice violation of provisions of the Commu- shall be given at least twice a week, for nications Act, other statutes, or the 2 consecutive weeks within the 3-week provisions of the FCC rules. period immediately following release of (b) When two or more applications the FCC’s order, specifying the time for the same AM, FM or TV assignment and place of the commencement of the have been designated for hearing, the hearing, in a daily newspaper of gen- FCC may, if the public interest will be eral circulation published in the com- served thereby, make a conditional munity in which the station is located grant to a group composed of any two or proposed to be located. or more of the competing applicants, (1) However, if there is no such daily such grant to terminate when the suc- newspaper published in the commu- cessful applicant commences operation nity, the notice shall be given as fol- under the terms of a regular authoriza- lows: tion. No conditional grant will be made (i) If one or more weekly newspapers unless all of the competing applicants of general circulation are published in have been afforded a reasonable oppor- the community in which the station is tunity to participate in the group seek- located or proposed to be located, no- ing the conditional grant. In its appli- tice shall be given in such a weekly cation, the group shall include a spe- newspaper once a week for 3 consecu- cial showing as to the need for the tive weeks within the 4-week period service pending operation by the suc- immediately following the release of cessful applicant under the terms of a the FCC’s order, specifying the time regular authorization; the effect, if and place of the commencement of the any, of a grant on the position of any hearing; applicant which is not a member of the (ii) If no weekly newspaper of general group; and any other factors which are circulation is published in the commu- deemed pertinent to the public interest nity in which the station is located or proposed to be located, notice shall be judgment. given at least twice a week for 2 con- [44 FR 38507, July 2, 1979] secutive weeks within the 3-week pe- riod immediately following the release § 73.3593 Designation for hearing. of the FCC’s orders, specifying the time If the FCC is unable, in the case of and place of the commencement of the any application for an instrument of hearing in the daily newspaper having authorization, to make the findings the greatest general circulation in the specified in § 73.3591(a), it will formally community in which the station is lo- designate the application for hearing cated or proposed to be located. on the grounds or reasons then obtain- (2) In the case of an application for a ing and will forthwith notify the appli- permit pursuant to Section 325(c) of cant and all known parties in interest the Communications Act, the notice of such action and the grounds and rea- shall be given at least twice a week for sons therefor, specifying with particu- 2 consecutive weeks within the 3-week larity the matters and things in issue period immediately following release of but not including issues or require- the FCC’s order, specifying the time and place of the commencement of the ments phrased generally. hearing in a daily newspaper of general [44 FR 38508, July 2, 1979] circulation in the largest city in the

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principal area to be served in the Unit- nity involved, or if it is a ed States by the foreign radio broad- noncommerical educational station, cast station. publication of the notice in a news- (3) In the case of an application for paper, as provided in paragraph (a) of change in the location of a station, the this section, is not required, and publi- notice shall be given both in the com- cation by broadcast over that station munity in which the station is located as provided in paragraph (b) of this sec- and in the community in which the tion shall be deemed sufficient to meet station is proposed to be located. the requirements of paragraphs (a) and (b) When an application which is sub- (b) of this section. However, non- ject to the provisions of § 73.3580 and commercial educational stations which which seeks modification, assignment, do not broadcast during the portion of transfer, or renewal of an operating the year in which the period of broad- broadcast station is designated for cast of notice falls must comply with hearing (except for applications for an the provisions of paragraph (a) of this International broadcast, low power TV, section. TV translator, FM translator, or FM (d) The notice required by paragraphs booster stations), the applicant shall, (a) and (b) of this section shall state: in addition to giving notice of such des- (1) The name of the applicant or ap- ignation as provided in paragraph (a) of plicants designated for hearing. this section, cause the same notice to (2) The call letters, if any, of the sta- be broadcast over that station at least tions or stations involved, and the fre- once daily for 4 days in the second quencies or channels on which the sta- week immediately following the re- tion or stations are operating or pro- lease of the FCC’s order, specifying the posed to operate. time and place of the commencement (3) The time and place of the hearing. of the hearing. In the case of both com- (4) The issues in the hearing as listed mercial and noncommercial TV broad- in the FCC’s order or summary of des- cast stations such notice shall be ignation for hearing. broadcast orally with the camera fo- (5) A statement that a copy of the ap- cused on the announcer. The notice re- plication, amendment(s), and related quired by this paragraph shall be material are on file for public inspec- broadcast during the following periods: tion at a stated address in the commu- (1) For commercial TV stations, be- nity in which the station is located or is proposed to be located. See §§ 73.3526 tween 7:00 p.m. and 10:00 p.m. and 73.3527. (2) For commercial AM and FM sta- (e) When an application for renewal tions, between 7:00 a.m. and 10:00 a.m., of license is designated for hearing, the but if such stations do not operate dur- notice shall contain the following addi- ing those hours, then between 6:00 p.m. tional statements: and 9:00 p.m. (1) Immediately preceding the listing (3) For noncommercial educational of the issues in the hearing: TV stations, between 7:00 p.m. and 10:00 p.m., but if the period of broadcast of The application of this station for a re- notice falls within a portion of the year newal of its license to operate this station in during which such stations do not the public interest was tendered for filing with the Federal Communications Commis- broadcast, then such stations need not sion on (date). After considering this applica- comply with the provisions of this tion, the FCC has determined that it is nec- paragraph. essary to hold a hearing to decide the follow- (4) For noncommercial educational ing questions: AM and FM stations, between 3:00 p.m. (2) Immediately following the listing and 10:00 p.m., but if the period of of the issues in the hearing: broadcast of notice falls within a por- tion of the year during which such sta- The hearing will be held at (place of hear- tions do not broadcast, then such sta- ing) commencing at (time), on (date). Mem- tions need not comply with the provi- bers of the public who desire to give evidence concerning the foregoing issues should write sions of this paragraph. to the Federal Communications Commission, (c) If the station in question is the Washington, DC 20554, not later than (date). only operating station in its broadcast Letters should set forth in detail the specific service which is located in the commu- facts concerning which the writer wishes to

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give evidence. If the FCC believes that the text of the notice, and/or, where appli- evidence is legally competent, material, and cable, the date and time the notice was relevant to the issues, it will contact the broadcast and the text thereof. When person in question. (Here the applicant shall insert, as the public notice is given by other means, date on or before which members of the pub- as provided in pararaph (f) of this sec- lic who desire to give evidence should write tion, the applicant shall file, within 7 to the FCC, the date 30 days after the date of days of the giving of such notice, the release of the FCC’s order specifying the text of the notice, the means by which time and place of the commencement of the it was accomplished, and the date hearing.) thereof. (f) When an application for a low (h) The failure to comply with the power TV, TV translator, FM trans- provisions of this section is cause for lator, or FM booster station which is dismissal of an application with preju- subject to the provisions of § 73.3580 is dice. However, upon a finding that ap- designated for hearing, the applicant plicant has complied (or proposes to shall give notice of such designation as comply) with the provisions of Section follows: Notice shall be given at least 311(a)(2) of the Communications Act, once during the 2-week period imme- and that the public interest, conven- diately following release of the FCC’s ience and necessity will be served order, specifying the time and place of thereby, the presiding officer may au- the commencement of the hearing in a daily, weekly or biweekly publication thorize an applicant, upon a showing of having general circulation in the com- special circumstances, to publish no- munity or area to be served. However, tice in a manner other than that pre- if there is no publication of general cir- scribed by this section; may accept culation in the community or area to publication of notice which does not be served, the applicant shall deter- conform strictly in all respects with mine an appropriate means of provid- the provisions of this section; or may ing the required notice to the general extend the time for publishing notice. public, such as posting in the local post [44 FR 38508, July 2, 1979, as amended at 47 office or other public place. The notice FR 21495, May 18, 1982; 48 FR 9012, Mar. 3, shall state: 1983; 49 FR 38132, Sept. 27, 1984; 51 FR 19347, (1) The name of the applicant or ap- May 29, 1986; 52 FR 21686, June 9, 1987; 58 FR plicants designated for hearing. 51251, Oct. 1, 1993] (2) The call letters, if any, of the sta- tion or stations involved, the output § 73.3597 Procedures on transfer and channel or channels of such stations, assignment applications. and, for any rebroadcasting, the call (a) If, upon the examination of an ap- letters, channel and location of the sta- plication for FCC consent to an assign- tion or stations being or proposed to be ment of a broadcast construction per- rebroadcast. mit or license or for a transfer of con- (3) The time and place of the hearing. trol of a corporate permittee or li- (4) The issues in the hearing as listed censee, it appears that the station in- in the FCC’s order or summary of des- volved has been operated on-air by the ignation for hearing. (5) If the application is for renewal of current licensee or permittee for less license, the notice shall contain, in ad- than one year, the application will be dition to the information required by designated for hearing on appropriate paragraphs (f) (1) through (4) of this issues unless the FCC is able to find section, the statements required by that: paragraph (e) of this section. (1) The permit or license was not au- (g) Within 7 days of the last day of thorized either through the Minority publication or broadcast of the notice Ownership Policy or after a compara- required by paragraphs (a) and (b) of tive hearing or, in the case of low this section, the applicant shall file a power TV and TV translator stations, statement in triplicate with the FCC the permit or license was not author- setting forth the dates on which the ized after a lottery in which the per- notice was published, the newspaper in mittee or licensee benefited from mi- which the notice was published, the nority or diversity preferences;

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(2) The application involves an FM transferor(s) who retains an interest in translator station or FM booster sta- the permittee or acquires or reacquires tion only; such interest within 1 year after com- (3) The application involves a pro mencing program tests. forma assignment or transfer of con- (2) The FCC will not consent to the trol; or assignment or transfer of control of the (4) The assignor or transferor has construction permit of an unbuilt sta- made an affirmative factual showing, tion if the agreements or understand- supported by affidavits of a person or ings between the parties provide for, or persons with personal knowledge there- permit, payment to the seller of a sum of, which establishes that, due to un- in excess of the aggregate amount availability of capital, to death or dis- clearly shown to have been legiti- ability of station principals, or to mately and prudently expended and to other changed circumstances affecting be expended by the seller, solely for the licensee or permittee occurring preparing, filing, and advocating the subsequent to the acquisition of the li- grant of the construction permit for cense or permit, FCC consent to the the station, and for other steps reason- proposed assignment or transfer of con- ably necessary toward placing the sta- trol will serve the public interest, con- tion in operation. venience and necessity. (3)(i) Applications for consent to the (5) the assignee or transferee has assignment of a construction permit or made an affirmative factual showing, transfer of control shall, in the case of supported by affidavits of a person or unbuilt stations, be accompanied by persons with personal knowledge there- declarations both by the assignor (or of, which established that the proposed transferor) and by the assignee (or transaction would involve an assign- transferee) that, except as clearly dis- ment or transfer to a minority-owned closed in detail in the applications, or minority controlled entity in fur- there are no agreements or understand- therance of our Minority Ownership ings for reimbursement of the seller’s Policy. expenses or other payments to the sell- (b)(1) The commencement date of the er, for the seller’s retention of any in- one-year period set forth in paragraph terest in the station, for options or any (a) of this section shall be the date on other means by which the seller may which the station initiated program acquire such an interest, or for any tests in accordance with § 73.1620 or other actual or potential benefit to the § 74.14. seller in the form of loans, the subse- (2) In determining whether the sta- quent repurchase of the seller’s re- tion has been operating on-air for one tained interest, or otherwise. year, the FCC will calculate the period (ii) When the seller is to receive re- between the date of initiation of pro- imbursement of his expenses, the appli- gram tests (as specified in paragraph cations of the parties shall include an (b)(1) of this section) and the date the itemized accounting of such expenses, application for transfer or assignment together with such factual information is tendered for filing with the FCC. as the parties rely upon for the req- (c)(1) As used in paragraphs (c) and uisite showing that those expenses rep- (d) of this section: resent legitimate and prudent outlays (i) Unbuilt station refers to an AM, made solely for the purposes allowable FM, or TV broadcast station or a low under paragraph (c)(2) of this section. power TV or TV translator station for (d)(1) Whenever an agreement for the which a construction permit is out- assignment of the construction permit standing, and, regardless of the stage of an unbuilt station or for the transfer of physical completion, as to which of control of the permittee of an un- program tests have not commenced or, built station, or any arrangement or if required, been authorized. understanding incidental thereto, pro- (ii) Seller includes the assignor(s) of a vides for the retention by the seller of construction permit for an unbuilt sta- any interest in the station, or for any tion, the transferor(s) of control of the other actual or potential benefit to the holder of such construction permit, and seller in the form of loans or otherwise, any principal or such assignor(s) or the question is raised as to whether the

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transaction involves actual or poten- comply with the above requirements, tial gain to the seller over and above in the light of such anticipated capital the legitimate and prudent out-of- needs. pocket expenses allowable under para- (ii) The FCC will determine from its graph (c)(2) of this section. In such review of the applications whether a cases the FCC will designate the as- hearing is necessary to ensure compli- signment or transfer applications for ance with the above requirements. evidentiary hearing. However, a hear- (iii) Compliance with the above re- ing is not mandatory in cases coming within paragraph (d)(2) of this section. quirements will be subject to review by (2) It is not intended to forbid the the FCC at any time, either when con- seller to retain an equity interest in an sidering subsequently filed applica- unbuilt station which he is transfer- tions or whenever the FCC may other- ring or assigning if the seller obligates wise find it desirable. himself, for the period ending 1 year (iv) Within 30 days after any time after commencing program tests, to when a seller is required to provide eq- provide that part of the total capital uity or loan capital or execute guaran- made available to the station, up to tees, the permittee shall furnish the the end of that period, which is propor- FCC a written report containing suffi- tionate to the seller’s equity share in cient details as to the sources and the permittee, taking into account eq- amounts of equity capital paid in, loan uity capital, loan capital, and guaran- capital made available, or guarantees tees of interest and amortization pay- obtained as to enable the FCC to ascer- ments for loan capital provided by the tain compliance with the above re- seller before the transfer or assign- quirements. ment. This condition will be satisfied: (i) In the case of equity capital: By (v) No steps shall be taken by the paid-in cash capital contributions pro- permittee to effectuate arrangements portionate to the seller’s equity share; for the provision of equity or loan cap- (ii) In cases where any person who ital from sources not previously identi- has an equity interest in the permittee fied and disclosed to the FCC, until 30 provides loan capital: By the seller’s days after the permittee has filed with provision of that part of the total loan the FCC a report of such arrangements capital provided by equity holders and of provisions made for the seller’s which is proportionate to the seller’s compliance with the above require- equity share; and ment. (iii) In cases where any person (vi) The provisions of paragraphs cosigns or otherwise guarantees pay- (d)(3) (iv) and (v) of this section shall ments under notes given for loan cap- cease to apply 1 year after commencing ital provided by nonequity holders: By program tests. similar guarantees by the seller cover- (4) Applications subject to this para- ing that part of such payments as is graph (d) of this section will, in any proportionate to the seller’s equity share. However, this condition shall event, be designated for evidentiary not be deemed to be met if the guaran- hearing in any case where the agree- tees given by persons other than the ments, arrangements or understand- seller cover, individually or collec- ings with the seller provide for the sell- tively, a larger portion of such pay- er’s option to acquire equity in the sta- ments than the ratio of the combined tion or to increase equity interests he equities of persons other than the sell- retains at the time of the assignment er to the total equity. or transfer of control. An evidentiary (3) In cases which are subject to the hearing will similarly be held in any requirements of paragraphs (d)(2) (i), case in which the assignee(s), trans- (ii) and (iii) of this section: feree(s) or any of their principals, or (i) The assignee’s (or transferee’s) ap- any person in privity therewith, has an plication shall include a showing of the option to purchase all or part of the anticipated capital needs of the station through the first year of its operation and the seller’s financial capacity to

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seller’s retained or subsequently ac- the records of the FCC as of the expira- quired equity interests in the station. tion date. [44 FR 38509, July 2, 1979, as amended at 47 [50 FR 52779, Dec. 26, 1985] FR 24580, June 7, 1982; 47 FR 55930, Dec. 14, 1982; 48 FR 9012, Mar. 3, 1983; 48 FR 27207, § 73.3601 Simultaneous modification June 13, 1983; 50 FR 6946, Feb. 19, 1985; 53 FR and renewal of license. 36787, Sept. 22, 1988] When an application is granted by the FCC necessitating the issuance of a § 73.3598 Period of construction. modified license less than 60 days prior (a) TV broadcast stations. Each origi- to the expiration date of the license nal construction permit for the con- sought to be modified, and an applica- struction of a new TV broadcast sta- tion for renewal of the license is grant- tion, or to make changes in an existing ed subsequent or prior thereto (but station, shall specify a period of no within 30 days of expiration of the more than 24 months from the date of present license), the modified license issuance of the original construction as well as the renewal license shall be permit within which construction shall issued to conform to the combined ac- be completed and application for li- tion of the FCC. cense filed. [44 FR 38511, July 2, 1979] (b) Other broadcast, auxiliary and In- structional TV Fixed Stations. Each § 73.3603 Special waiver procedure rel- ative to applications. original permit for the construction of a new AM, FM or International Broad- (a) In the case of any broadcast appli- cast; low power TV; TV translator; TV cations designated for hearing, the par- booster; FM translator; FM booster; ties may request the FCC to grant or broadcast auxiliary; or Instructional deny an application upon the basis of TV Fixed station, or to make changes the information contained in the appli- cations and other papers specified in in such existing stations, shall specify paragraph (b) of this section without a period of no more than 18 months the presentation of oral testimony. from the date of issuance of the origi- Any party desiring to follow this proce- nal construction permit within which dure should execute and file with the construction shall be completed and FCC a waiver in accordance with para- application for licensed be filed. graph (e) of this section, and serve cop- (c) An existing AM station operating ies on all other parties, or a joint waiv- in the 535–1605 kHz band that receives a er may be filed by all the parties. Upon conditional permit to operate in the the receipt of waivers from all parties 1605–1705 kHz band; such permit shall to a proceeding, the FCC will decide specify a period of not more than 18 whether the case is an appropriate one months from the date of issuance of for determination without the presen- the original construction permit with- tation of oral testimony. If it is deter- in which construction shall be com- mined by the FCC that, notwithstand- pleted and application for license filed. ing the waivers, the presentation of oral testimony is necessary, the parties [50 FR 52779, Dec. 26, 1985, as amended at 52 will be so notified and the case will be FR 11656, Apr. 10, 1987; 52 FR 31402, Aug. 20, retained on the hearing docket. If the 1987; 56 FR 64874, Dec. 12, 1991] FCC concludes that the case can appro- § 73.3599 Forefeiture of construction priately be decided without the presen- permit. tation of oral testimony, the record will be considered as closed as of the A construction permit shall be de- date the waivers of all the parties were clared forfeited if the station is not first on file with the FCC. ready for operation within the time (b) In all cases considered in accord- specified therein or within such further ance with this procedure, the FCC will time as the FCC may have allowed for decide the case on the basis of the in- completion, and a notation of the formation contained in the applica- forefeiture of any construction permit tions and in any other papers pertain- under this provision will be placed in ing to the applicants or applications

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which are open to public inspection and of the agreement, the proceeding shall which were on file with the FCC when be terminated and appropriate disposi- the record was closed. The FCC may tion shall be made of the applications. call upon any party to furnish any ad- (2) Where further hearing is required ditional information which the FCC on issues unrelated to the agreement, deems necessary to a proper decision. the presiding officer shall continue to Such information shall be served upon conduct the hearing on such other is- all parties. The waiver previously exe- sues pending final action on the agree- cuted by the parties shall be considered ment, but the record in the proceeding in effect unless within 10 days of the shall not be closed until such final ac- service of such information the waiver tion on the agreement has been taken. is withdrawn. (3) In any case where a conflict be- (c) Any decision by the FCC rendered tween applications will be removed by pursuant to this section will be in the an agreement for an engineering nature of a final decision, unless other- amendment to an application, the wise ordered by the FCC. amended application shall be removed (d) By agreeing to the waiver proce- from hearing status upon final ap- dure prescribed in this section, no proval of the agreement and accept- party shall be deemed to waive the ance of the amendment. right to petition for reconsideration or (c) An application for a broadcast fa- rehearing, or to appeal to the courts cility which has been designated for from any adverse final decision of the hearing and which is amended so as to FCC. (e) The waiver provided for by this eliminate the need for hearing or fur- section shall be in the following form: ther hearing on the issues specified, other than as provided for in paragraph WAIVER (b) of this section, will be removed Name of applicant ...... from hearing status. Call letters ...... [44 FR 38511, July 2, 1979] Docket No...... The undersigned hereby requests the FCC § 73.3612 Annual employment report. to consider its application and grant or deny it in accordance with the procedure pre- Each licensee or permittee of a com- scribed in § 73.3603 of the FCC’s rules and reg- mercially or noncommercially oper- ulations. It is understood that all the terms ated AM, FM, TV or International and provisions of ———— are incorporated in broadcast station with five or more this waiver. fulltime employees shall file an annual [44 FR 38511, July 2, 1979] employment report with the FCC on or before May 31 of each year on FCC § 73.3605 Retention of applications in Form 395. hearing status after designation for hearing. [44 FR 38511, July 2, 1979] (a) After an application for a broad- § 73.3613 Filing of contracts. cast facility is designated for hearing, it will be retained in hearing status Each licensee or permittee of a com- upon the dismissal or amendment and mercial or noncommercial AM, FM, TV removal from hearing of any other ap- or International broadcast station plication or applications with which it shall file with the FCC copies of the has been consolidated for hearing. following contracts, instruments, and (b) Where any applicants for a broad- documents together with amendments, cast facility file a request pursuant to supplements, and cancellations (with § 73.3525(a) for approval of an agreement the substance of oral contracts re- to remove a conflict between their ap- ported in writing), within 30 days of plications, the applications will be re- execution thereof: tained in hearing status pending such (a) Network service: Network affili- proceedings on the joint request as ation contracts between stations and may be ordered and such action there- networks will be reduced to writing on as may be taken. and filed as follows: (1) If further hearing is not required (1) All network affiliation contracts, on issues other than those arising out agreements, or understandings between

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a TV broadcast or low power TV sta- filed. However, trust agreements or ab- tion and a national network. For the stracts thereof are not required to be purposes of this paragraph the term filed, unless requested specifically by network means any person, entity, or the FCC. Should the FCC request an corporation which offers an inter- abstract of the trust agreement in lieu connected program service on a regular of the trust agreement, the licensee or basis for 15 or more hours per week to permittee will submit the following in- at least 25 affiliated television licens- formation concerning the trust: ees in 10 or more states; and/or any per- (A) Name of trust; son, entity, or corporation controlling, (B) Duration of trust; controlled by, or under common con- (C) Number of shares of stock owned; trol with such person, entity, or cor- poration. (D) Name of beneficial owner of (2) Each such filing on or after May 1, stock; 1969, initially shall consist of a written (E) Name of record owner of stock; instrument containing all of the terms (F) Name of the party or parties who and conditions of such contract, agree- have the power to vote or control the ment or understanding without ref- vote of the shares; and erence to any other paper or document (G) Any conditions on the powers of by incorporation or otherwise. Subse- voting the stock or any unusual char- quent filings may simply set forth re- acteristics of the trust. newal, amendment or change, as the (4) Proxies with respect to the licens- case may be, of a particular contract ee’s or permittee’s stock running for a previously filed in accordance here- period in excess of 1 year, and all prox- with. ies, whether or not running for a period (3) The FCC shall also be notified of of 1 year, given without full and de- the cancellation or termination of net- tailed instructions binding the nomi- work affiliations, contracts for which nee to act in a specified manner. With are required to be filed by this section. respect to proxies given without full (b) Ownership or control: Contracts, and detailed instructions, a statement instruments or documents relating to showing the number of such proxies, by the present or future ownership or con- whom given and received, and the per- trol of the licensee or permittee or of centage of outstanding stock rep- the licensee’s or permittee’s stock, resented by each proxy shall be submit- rights or interests therein, or relating ted by the licensee or permittee within to changes in such ownership or con- 30 days after the stockholders’ meeting trol shall include but are not limited to in which the stock covered by such the following: proxies has been voted. However, when (1) Articles of partnership, associa- tion, and incorporation, and changes in the licensee or permittee is a corpora- such instruments; tion having more than 50 stockholders, (2) Bylaws, and any instruments such complete information need be effecting changes in such bylaws; filed only with respect to proxies given (3) Any agreement, document or in- by stockholders who are officers or di- strument providing for the assignment rectors, or who have 1% or more of the of a license or permit, or affecting, di- corporation’s voting stock. When the rectly or indirectly, the ownership or licensee or permittee is a corporation voting rights of the licensee’s or per- having more than 50 stockholders and mittee’s stock (common or preferred, the stockholders giving the proxies are voting or nonvoting), such as: not officers or directors or do not hold (i) Agreements for transfer of stock; 1% or more of the corporation’s stock, (ii) Instruments for the issuance of the only information required to be new stock; or filed is the name of any person voting (iii) Agreements for the acquisition 1% or more of the stock by proxy, the of licensee’s or permittee’s stock by number of shares voted by proxy by the issuing licensee or permittee cor- such person, and the total number of poration. Pledges, trust agreements, shares voted at the particular stock- options to purchase stock and other ex- holders’ meeting in which the shares ecutory agreements are required to be were voted by proxy.

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(5) Mortgage or loan agreements con- filed but shall be kept at the station taining provisions restricting the li- and made available for inspection upon censee’s or permittee’s freedom of op- request by the FCC: contracts relating eration, such as those affecting voting to the sale of television broadcast time rights, specifying or limiting the to ‘‘time brokers’’ for resale; subchan- amount of dividends payable, the pur- nel leasing agreements for Subsidiary chase of new equipment, or the mainte- Communications Authorization oper- nance of current assets. ation; franchise/leasing agreements for (6) Any agreement reflecting a operation of telecommunications serv- change in the officers, directors or ices on the TV vertical blanking inter- stockholders of a corporation, other val and in the visual signal; time sales than the licensee or permittee, having contracts with the same sponsor for 4 an interest, direct or indirect, in the li- or more hours per day, except where censee or permittee as specified by the length of the events (such as ath- § 73.3615. letic contests, musical programs and (c) Personnel: (1) Management con- special events) broadcast pursuant to sultant agreements with independent the contract is not under control of the contractors; contracts relating to the station; and contracts with chief opera- utilization in a management capacity tors. of any person other than an officer, di- rector, or regular employee of the li- [44 FR 38512, July 2, 1979, as amended at 47 censee or permittee; station manage- FR 21496, May 18, 1982; 50 FR 4664, Feb. 1, ment contracts with any persons, 1985; 50 FR 30951, July 31, 1985; 51 FR 9966, Mar. 24, 1986; 51 FR 15785, Apr. 28, 1986; 57 FR whether or not officers, directors, or 18093, Apr. 29, 1992; 57 FR 42706, Sept. 16, 1992; regular employees, which provide for 61 FR 36305, July 10, 1996] both a percentage of profits and a shar- ing in losses; or any similar agree- § 73.3615 Ownership reports. ments. (a) With the exception of sole propri- (2) The following contracts, agree- etorships and partnerships composed ments, or understandings need not be entirely of natural persons, each li- filed: Agreements with persons regu- censee of a commercial AM, FM, or TV larly employed as general or station managers or salesmen; contracts with broadcast station shall file an Owner- program managers or program person- ship Report on FCC Form 323 once a nel; contracts with attorneys, account- year, on the anniversary of the date ants or consulting radio engineers; con- that its renewal application is required tracts with performers; contracts with to be filed. Licensees owning multiple station representatives; contracts with stations with different anniversary labor unions; or any similar agree- dates need file only one Report per ments. year on the anniversary of their choice, (d) Time brokerage agreements: Time provided that their Reports are not brokerage agreements involving radio more than one year apart. A licensee stations, where the licensee (including with a current and unamended Report all parties under common control) is on file at the Commission may certify the brokering entity, there is a prin- that it has reviewed its current Report cipal community contour (predicted or and that it is accurate, in lieu of filing measured 5 mV/m groundwave for AM a new Report. Ownership Reports shall stations and predicted 3.16 mV/m for provide the following information as of FM stations) overlap with the brokered a date not more than 60 days prior to station, and more than 15 percent of the filing of the Report: the time of the brokered station, on a (1) In the case of an individual, the weekly basis, is brokered by that li- name of such individual; censee. Confidential or proprietary in- (2) In the case of a partnership, the formation may be redacted where ap- name of each partner and the interest propriate but such information shall be of each partner. Except as specifically made available for inspection upon re- noted below, the names of limited part- quest by the FCC. ners shall be reported. A limited part- (e) The following contracts, agree- ner need not be reported, regardless of ments or understandings need not be the extent of its ownership, if the

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limted partner is not materially in- stockholding need be reported for that volved, directly or indirectly, in the licensee; management or operation of the li- (ii) Full information as to family re- censee and the licensee so certifies. lationship or business association be- (i) Any change in partners or in their tween two or more officials and/or rights will require prior consent of the stockholders, trustees, executors, ad- FCC upon an application for consent to ministrators, receivers, and members assignment of license or permit. If such of any association; change involves less than a controlling (iii) Capitalization with a description interest, the application for FCC con- of the classes and voting power of sent to such changes may be made stock authorized by the corporate upon FCC Form 316. charter or other appropriate legal in- (ii) [Reserved] strument and the number of shares of (3) In the case of a corporation, asso- each class issued and outstanding; and ciation, trust, estate or receivership, (iv) Full information with respect to the data applicable to each: the interest and identity of any person (i)(A) The name, residence, citizen- having any direct, indirect, fiduciary, ship, and stockholding of every officer, or beneficial interest in the licensee or director, trustee, executor, adminis- in its stock accounting for 5% or more trator, receiver and member of an asso- of its votes. For example: ciation, and any stockholder which (A) Where A is the trustee of stock holds stock accounting for 5 percent or held for beneficiary B, A shall be re- more of the votes of the corporation, except that an investment company, ported if A votes the stock or has the insurance company, or bank trust de- sole or shared power to dispose of the partment need be reported only if it stock; B or any other party shall be re- holds stock amounting to 10 percent or ported if B or such party votes the more of the votes, provided that the li- stock or has sole power to dispose of censee certifies that such entity has the stock or has the power to revoke made no attempt to influence, directly the trust or replace the trustee at will; or indirectly, the management or oper- (B) Where X is not a natural person ation of the licensee, and that there is and has attributable ownership inter- no representation on the licensee’s est in the licensee under § 73.3555 of the board or among its officers by any per- rules, regardless of its position in the son professionally or otherwise associ- vertical ownership chain, an Ownership ated with the entity. Report shall be filed for X which, ex- (B) A licensee shall report any sepa- cept as specifically noted below, must rate interests known to the licensee to contain the same information as re- be held ultimately by the same individ- quired of a licensee. If X has a voting ual or entity, whether those interests stockholder interest in the licensee, are held in custodial accounts, by indi- only those voting interests of X that vidual holding corporations or other- are cognizable after application of the wise, if, when aggregated: ‘‘multiplier’’ described in Note 2(d) of (1) The sum of all interests except § 73.3555 of the rules, if applicable, shall those held by or through ‘‘passive in- be reported. If X is a corporation, vestors’’ is equal to or exceeds 5 per- whether or not its interest in the li- cent; or censee is by virtue of its ownership of (2) The sum of all interests held by or voting stock, the officers and directors through ‘‘passive investors’’ is equal to shall be reported. With respect to those or exceeds 10 percent; or officers and directors whose duties and (3) The sum of the interests com- responsibilities are wholly unrelated to puted under paragraph (a)(3)(i)(B)(1) of the licensee, and who wish to be re- this section plus the sum of the inter- lieved of attribution in the licensee, ests computed under paragraph the name, title and duties of these offi- (a)(3)(i)(B)(2) of this section is equal to cers and directors, with statements or exceeds 10 percent. properly documenting that their duties (C) If the majority of the voting do not involve the licensee, shall be re- stock of a corporate licensee is held by ported. a single individual or entity, no other (4) In the case of all licensees:

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(i) A list of all contracts still in ef- profession or occupation, and by whom fect required to be filed with the FCC appointed or elected. by § 73.3613 showing the date of execu- (2) Full information with respect to tion and expiration of each contract; the interest and identity of any indi- and vidual, organization, corporation, asso- (ii) Any interest which the licensee ciation, or any other entity which has may have in any other broadcast sta- direct or indirect control over the li- tion. censee or permittee. (b) Except as specifically noted (3) A list of all contracts still in ef- below, each permittee of a commercial fect required by § 73.3613 to be filed AM, FM or TV broadcast station shall with the FCC, showing the date of exe- file an Ownership Report on FCC Form cution and expiration of each contract. 323 (1) within 30 days of the date of (4) Any interest which the licensee or grant by the FCC of an application for permittee or any of its officers, mem- original construction permit and (2) on bers of the governing board, and hold- the date that it applies for a station li- ers of 1% or more ownership interest (if cense. The Ownership Report of the any) held in any other broadcast sta- permittee shall give the information tion. required by the applicable portions of paragraph (a) of this section. A permit- (e) Each permittee of a noncommer- tee with a current and unamended Re- cial educational AM, FM or TV broad- port on file at the Commission may cast station shall file an Ownership Re- certify that it has reviewed its current port on FCC Form 323–E within 30 days Report and it is accurate, in lieu of fil- of the date of grant by the FCC of an ing a new Report. application for original construction (c) Before any change is made in the permit. The Ownership Report of the organization, capitalization, officers, permittee shall give the information directors, or stockholders of a corpora- required by the applicable form. tion other than licensee or permittee, (f) A supplemental Ownership Report which results in a change in the con- on FCC Form 323–E shall be filed by trol of the licensee or permittee, prior each licensee or permittee within 30 FCC consent must be received under days after any change occurs in the in- § 73.3540. A transfer of control takes formation required by the Ownership place when an individual or group in Report from that previously reported. privity, gains or loses affirmative or Such report should include, without negative (50%) control. See instruc- limitation: tions on FCC Form 323 (Ownership Re- (1) Any change in organization; port). (2) Any change in officers or direc- (d) Each licensee of a noncommercial tors; educational AM, FM or TV broadcast (3) Any transaction affecting the station shall file an Ownership Report ownership (direct or indirect) or voting on FCC Form 323–E at the time the ap- rights with respect to the licensee or plication for renewal of station license permittee (or with respect to any stock is required to be filed. Licensees own- interest therein). ing more than one noncommercial edu- (g) A copy of all ownership and sup- cational AM, FM or TV broadcast sta- plemental ownership reports and relat- tion need file only one Ownership Re- port at 5 year intervals for TV stations ed material filed pursuant to this sec- and 7 year intervals for AM and FM tion shall be maintained and made stations. Ownership Reports shall give available for public inspection locally the following information as of a date as required by §§ 73.3526 and 73.3527. not more than 30 days prior to the fil- [44 FR 38513, July 2, 1979, as amended at 49 ing of the Ownership Report: FR 19498, May 8, 1984; 50 FR 27450, July 3, (1) The following information as to 1985; 50 FR 40016, Oct. 1, 1985; 52 FR 1632, Jan. all officers, members of governing 15, 1987; 53 FR 2499, Jan. 28, 1988; 53 FR 5684, board, and holders of 1% or more own- Feb. 25, 1988; 53 FR 36787, Sept. 22, 1988] ership interest (if any): Name, resi- dence, office held, citizenship, principal

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§ 73.3999 Enforcement of 18 U.S.C. tober 24, 1974. 50 FCC 2d 1; 39 FR 39396, 1464 (restrictions on the trans- November 6, 1974. mission of obscene and indecent (b) See Report and Order; Policy material). Statement, Docket 19142, FCC 83–609, (a) No licensee of a radio or tele- adopted December 22, 1983. 96 FCC 2d vision broadcast station shall broad- 634; 49 FR 1704, January 13, 1984. cast any material which is obscene. (c) See Report and Order, MM Dock- (b) No licensee of a radio or tele- ets 90–570 and 83–670, FCC 91–113, adopt- vision broadcast station shall broad- ed April 9, 1991. 6 FCC Rcd 2111; 56 FR cast on any day between 6 a.m. and 10 19611, April 19, 1991; Memorandum p.m. any material which is indecent. Opinion and Order, MM Dockets 90–570 and 83–670, FCC 91–248, adopted August [60 FR 44439, Aug. 28, 1995] 1, 1991. 6 FCC Rcd 5093; 56 FR 42707, Au- § 73.4000 Listing of FCC policies. gust 29, 1991. The following sections list, solely for [49 FR 14509, Apr. 12, 1984, as amended at 59 the purpose of reference and conven- FR 52086, Oct. 14, 1994] ience, certain Policies of the FCC. The present listing of FCC policies and ci- § 73.4055 Cigarette advertising. tations thereto should not be relied See 15 U.S.C. 1335. upon as an all-inclusive list, and the [44 FR 36388, June 22, 1979] failure to include a policy in this list does not affect its validity. Each sec- § 73.4060 Citizens agreements. tion bears the title of one Policy and the citations which will direct the user (a) See Report and Order, Docket to the specific document(s) pertaining 20495, FCC 75–1359, adopted December to that Policy. 10, 1975. 57 F.C.C. 2d 42; 40 F.R. 49730, December 30, 1975. [44 FR 36387, June 22, 1979] (b) See Memorandum Opinion and Order, FCC 78–875, adopted December § 73.4005 Advertising—refusal to sell. 21, 1978. 70 F.C.C. 2d 1672. See 412 U.S. 94 (Supreme Court, 1973). [44 FR 58720, Oct. 11, 1979] [44 FR 36388, June 22, 1979] § 73.4075 Commercials, loud. § 73.4015 Applications for AM and FM construction permits, incomplete or See Memorandum Opinion and Order, defective. BC Docket 79–168, FCC 84–300, adopted June 27, 1984. 49 FR 28077, July 10, 1984. See Public Notice, FCC 84–366, dated August 2, 1984, 49 FR 47331, December 3, [49 FR 38132, Sept. 27, 1984] 1984. § 73.4082 Comparative broadcast hear- [49 FR 50048, Dec. 26, 1984] ings—specialized programming for- mats. § 73.4017 Application processing: Com- mercial FM stations. (a) See Memorandum Opinion and Order, FCC 80–33, adopted January 30, See Report and Order, MM Docket 84– 1980. 75 FCC 2d 721. 750, FCC 85–125, adopted March 4, 1985. (b) See Report and Order, Docket 79– 50 FR 19936, May 13, 1985. 137, FCC 79–331, adopted June 1, 1979. 72 [59 FR 52086, Oct. 14, 1994] FCC 2d 202. (c) See Memorandum Opinion and § 73.4045 Barter agreements. Order, FCC 79–206, adopted March 30, See Order, FCC 72–167, adopted Feb- 1979. 71 FCC 2d 460. ruary 16, 1972. 33 FCC 2d 653; 37 FR 4009, [47 FR 3792, Jan. 27, 1982] February 25, 1972. [44 FR 36388, June 22, 1979] § 73.4091 Direct broadcast satellites. (a) See Report and Order, General § 73.4050 Children’s TV programs. Docket 80–603, FCC 82–285, adopted (a) See Report and Policy Statement, June 23, 1982. 90 FCC 2d 676; 47 FR 31555, Docket 19142, FCC 74–1174, adopted Oc- July 21, 1982.

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(b) See Memorandum Opinion and § 73.4102 FAA communications, broad- Order, FCC 82–427, adopted September cast of. 23, 1982. 91 FCC 2d. See Public Notice, FCC 72–105, dated (c) See Memorandum Opinion and February 2, 1972. 37 FR 3567, February Order, FCC 82–498, adopted November 4, 17, 1972. 1982. 91 FCC 2d. [45 FR 6403, Jan. 28, 1980] [48 FR 9012, Mar. 3, 1983] § 73.4104 FM assignment policies and § 73.4094 Dolby encoder. procedures. See Public Notice dated July 10, 1974, See Report and Order, BC Docket 80– 72 FCC 2d 790. 130, FCC 82–240, adopted May 20, 1982. 90 [45 FR 6403, Jan. 28, 1980] FCC 2d, 88; 47 FR 26625, June 21, 1982. [47 FR 54448, Dec. 3, 1982] § 73.4095 Drug lyrics. (a) See Public Notice, FCC 71–205, § 73.4107 FM broadcast assignments, dated March 5, 1971. 28 FCC 2d 409; 36 Increasing availability of. FR 4901, March 13, 1971. (a) See, First Report and Order MM (b) See Memorandum Opinion and Docket 84–231, FCC 84–640, adopted De- Order, FCC 71–428, adopted April 16, cember 19, 1984. 100 FCC 2d 1332; 50 FR 1971. 31 FCC 2d 377; 36 FR 8090, April 29, 3514, January 25, 1994. 1971. (b) See, Second Report and Order, [44 FR 36388, June 22, 1979] MM Docket 84–231, FCC 85–124, adopted March 14, 1985. 101 FCC 2d 630; 50 FR § 73.4097 EBS (now EAS) attention 15558, April 19, 1985. signals on automated programing (c) See, Memorandum Opinion and systems. Order, MM Docket 84–231, FCC 86–76, See Public Notice dated March 1, adopted February 10, 1986. 51 FR 9210, 1979. 72 FCC 2d 788; 44 FR 17792, March March 18, 1986. 23, 1979. (d) See Public Notice, 51 FR 26009, July 18, 1986. [49 FR 50049, Dec. 26, 1984, as amended at 59 FR 67103, Dec. 28, 1994] [51 FR 26251, July 22, 1986, as amended at 52 FR 11656, Apr. 10, 1987; 59 FR 52086, Oct. 14, § 73.4099 Financial qualifications, cer- 1994] tification of. § 73.4108 FM transmitter site map sub- See Public Notice, FCC 87–97, adopted missions. March 19, 1987. 52 FR 17333, May 7, 1987. See Memorandum Opinion and Order [53 FR 2499, Jan. 28, 1988] and Public Notice, adopted October 24, 1986. 1 FCC Rcd 381 (1986); 51 FR 45945, § 73.4100 Financial qualifications; new December 23, 1986. AM and FM stations. See Public Notice, FCC 78–556, dated [52 FR 11656, Apr. 10, 1987] August 2, 1978. 69 FCC 2d 407; 43 FR § 73.4110 Format changes of stations. 34841, August 7, 1978. See Memorandum Opinion and Order, [44 FR 36388, June 22, 1979] Docket 20682, FCC 76–744, adopted July 28, 1976. 60 FCC 2d 858; 41 FR 37153, Sep- § 73.4101 Financial qualifications, TV stations. tember 2, 1976. See Public Notice, FCC 79–299, dated [44 FR 36388, June 22, 1979] May 11, 1979. 72 F.C.C. 2d 784; 44 FR 29160, May 18, 1979. § 73.4135 Interference to TV reception by FM stations. [45 FR 6403, Jan. 28, 1980] See Public Notice, FCC 67–1012, dated August 30, 1967, 74 FCC 2d 619.

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(Secs. 4, 5, 303, 48 Stat., as amended, 1066, (e) See Memorandum Opinion and 1068, 1082 (47 U.S.C. 154, 155, 303)) Order, FCC 90–111, adopted March 28, [44 FR 36388, June 22, 1979, as amended at 45 1990. 5 FCC Rcd 4920. FR 28142, Apr. 28, 1980; 49 FR 45154, Nov. 15, 1984; 50 FR 5073, Feb. 6, 1985; 51 FR 26251, July [47 FR 54448, Dec. 3, 1982, as amended at 51 22, 1986] FR 26251, July 22, 1986; 59 FR 52087, Oct. 14, 1994] § 73.4140 Minority ownership; tax cer- tificates and distress sales. § 73.4165 Obscene language. (a) See Public Notice, FCC 78–322, (a) See FCC v. Pacifica Foundation, dated May 25, 1978. 68 FCC 2d 979; 43 FR 438 U.S. 726, 57 L.Ed 2d 1073, 46 U.S.L.W. 25188, June 9, 1978. 5018 (1978). See also Action for Children’s (b) See Public Notice, FCC 78–725, Television v. FCC, 852 F.2d 1332 (D.C. dated October 11, 1978. 43 FR 47612, Oc- Cir. 1988). tober 16, 1978. (b) See Action for Children’s Television (c) See Policy Statement, General v. FCC, [ACT III] 11 F.3d 170 (D.C. Cir. Docket 82–797, FCC 82–523, adopted De- 1993). See also, Action for Children’s Tel- cember 2, 1982. 92 FCC 2d 849; 48 FR evision v. FCC, [ACT IV] 15 F.3d 186 5943, February 9, 1983. (D.C. Cir. 1994), rehearing granted, en (d) See Report and Order, General banc. Docket 82–797, FCC 84–647, adopted De- cember 21, 1984. 99 FCC 2d 1249; 50 FR (c) See Report and Order, GC Docket 1239, January 10, 1985. 92–223, FCC 93–42, adopted January 19, 1993. 8 FCC Rcd 704; 58 FR 5937, January [44 FR 36388, June 22, 1979, as amended at 49 25, 1993. FR 38132, Sept. 27, 1984; 49 FR 50049, Dec. 26, (d) See Memorandum Opinion and 1984; 50 FR 47055, Nov. 14, 1985; 52 FR 11656, Apr. 10, 1987] Order, FCC 93–246, adopted May 11, 1993, 8 FCC Rcd 3600. § 73.4154 Network/AM, FM station af- (e) See Letter to Rusk Corporation, filiation agreements. dated May 6, 1993, FCC 93–229, 8 FCC See Report, Statement of Policy, and Rcd 3228. Order, Docket 20721, FCC 77–206, adopt- (f) See Memorandum Opinion and ed March 10, 1977. 63 FCC 2d 674. Order, FCC 93–4, adopted January 5, [47 FR 28388, June 30, 1982] 1993. 8 FCC Rcd 498 (g) See Branton v. FCC, 993 F.2d 906 § 73.4157 Network signals which ad- (D.C. Cir. 1993). versely affect affiliate broadcast (h) See Memorandum Opinion and service. Order, DA 91–557, adopted April 30, 1991. See Public Notice, FCC 79–387, dated 6 FCC Rcd 2560. April 20, 1970. 22 F.C.C. 2d 779. [59 FR 52087, Oct. 14, 1994] [45 FR 6403, Jan. 28, 1980] § 73.4170 Obscene broadcasts. § 73.4163 Noncommercial nature of educational broadcast stations. (a) See Miller v. California, 413 U.S.C. 15 (1973). See also Pope v. Illinois, 107 (a) See Second Report and Order, BC Docket 21136, FCC 81–204, adopted April S.Ct. 1918 (1987). 18 U.S.C. 1464. 23, 1981. 86 FCC 2d 141; 46 FR 27944, May (b) See Memorandum Opinion and 22, 1981. Order, MM Docket 83–575, FCC 88–4, (b) See Order, BC Docket 21136, FCC adopted January 12, 1988. 3 FCC Rcd 82–327 adopted July 15, 1982. 90 FCC 2d 757. See also Memorandum Opinion and 895; 47 FR 36171, August 19, 1982. Order, MM Docket 83–575, FCC 93–180, (c) See Memorandum Opinion and adopted April 2, 1993. 8 FCC Rcd 2753. Order, BC Docket 21136, FCC 84–105, (c) See Memorandum Opinion and adopted March 28, 1984. 97 FCC 2d 255; 49 Order, FCC 87–365, adopted November FR 13534, April 5, 1984. 24, 1987. 3 FCC Rcd 930. (d) See, Public Notice, FCC 86–161, (d) See ‘‘Memorandum of Understand- dated April 11, 1986. 51 FR 21800, June ing between the Federal Communica- 16, 1986. Excerpt reprinted at 7 FCC Rcd tions Commission and the Department 827. of Justice concerning Complaints and

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Cases Involving Obscenity and Inde- § 73.4210 Procedure Manual: ‘‘The Pub- cency,’’ released April 9, 1991. See also lic and Broadcasting’’. News Release dated April 19, 1991. See FCC 74–942, dated September 5, [59 FR 52087, Oct. 14, 1994] 1974. 49 FCC 2d 1; 39 FR 32288, dated September 5, 1974. § 73.4180 Payment disclosure: Payola, plugola, kickbacks. [44 FR 36389, June 22, 1979] (a) See 47 U.S.C. 507. § 73.4215 Program matter: Supplier (b) See Public Notice, FCC 70–593, identification. dated June 4, 1970. 23 FCC 2d 588; 35 FR See Public Notice, FCC 73–595, dated 9045, June 11, 1970. June 1, 1973. 41 FCC 2d 333; 38 FR 14979, (c) See Public Notice, FCC 88–175, June 7, 1973. dated May 18, 1988. [44 FR 36389, June 22, 1979] [44 FR 36389, June 22, 1979, as amended at 49 FR 20504, May 15, 1984; 59 FR 52087, Oct. 14, § 73.4235 Short spacing agreements: 1994] FM stations. See Public Notice, FCC 75–1367, dated § 73.4185 Political broadcasting and telecasting, the law of. December 15, 1975. 57 FCC 2d 1263; 40 FR 58893, December 19, 1975. (a) See ‘‘The Law of Political Broad- casting and Cablecasting: Political [44 FR 36389, June 22, 1979] Primer 1984,’’ 100 FCC 2d 1476 (1984). EFFECTIVE DATE NOTE: At 62 FR 50552, (b) See Report and Order, MM Docket Sept. 26, 1997, § 73.4235 was removed, effective 91–168, FCC 91–403, adopted December Nov. 25, 1997. 12, 1991. 7 FCC Rcd 678; 57 FR 189, Janu- ary 3, 1992; Memorandum Opinion and § 73.4242 Sponsorship identification rules, applicability of. Order, MM Docket 91–168, FCC 92–210, adopted May 14, 1992. 7 FCC Rcd 4611; 57 See Public Notice dated September 3, FR 27705, June 22, 1992. 1975, 40 FR 41936, September 9, 1975. [59 FR 52087, Oct. 14, 1994] [47 FR 28388, June 30, 1982]

§ 73.4190 Political candidate author- § 73.4246 Stereophonic pilot subcarrier ization notice and sponsorship use during monophonic program- identification. ming. (a) See Joint Public Notice by the See Report and Order, Docket 19571, Federal Communications Commission FCC 73–680, adopted June 21, 1973. 41 and the Federal Election Commission, FCC 2d 534; 38 FR 17021, June 28, 1973. FCC 78–419, dated June 19, 1978. 69 FCC [47 FR 3792, Jan. 27, 1982] 2d 1129; 43 FR 30126, July 13, 1978. (b) See Memorandum Opinion and § 73.4247 STV: Competing applications. Order, FCC 92–55, adopted February 12, See Second Report and Order, Docket 1992. 7 FCC Rcd 1616. 21502, FCC 81–13, adopted January 8, [44 FR 36389, June 22, 1979, as amended at 59 1981. 85 FCC 2d 631; 46 FR 19937, April 2, FR 52087, Oct. 14, 1994] 1981. [47 FR 3792, Jan. 27, 1982] § 73.4195 Political advertising by UHF translators. § 73.4250 Subliminal perception. See Public Notice, FCC 76936, dated (a) See Public Notice, FCC 74–78, October 8, 1976. 62 FCC 2d 896; 41 FR dated January 24, 1974. 44 FCC 2d, 1016; 45043, October 14, 1976. 39 FR 3714, January 29, 1974. [44 FR 36389, June 22, 1979] (b) See FCC Information Bulletin, ‘‘Subliminal Projection’’, dated No- vember 1977. [44 FR 36389, June 22, 1979]

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§ 73.4255 Tax certificates: Issuance of. § 73.4280 Character evaluation of broadcast applicants. (a) See Public Notice, FCC 76–337, dated April 21, 1976. 59 FCC 2d, 91; 41 FR (a) See Report and Order and Policy 17605, April 27, 1976. Statement, Gen. Docket 81–500, BC (b) See Report and Order MM Docket Docket 78–108, FCC 85–648, adopted De- 87–267, FCC 91–303 adopted, September cember 10, 1985. 102 FCC 2d 1179; 51 FR 26, 1991. 6 FCC Rcd 6273; 56 FR 64842, De- 3049, January 23, 1986. cember 12, 1991. (b) See Policy Statement and Order, FCC 90–195, adopted May 10, 1990. 5 FCC [56 FR 64874, Dec. 12, 1991, as amended at 59 Rcd 3252, 55 FR 23082, June 6, 1990. FR 52087, Oct. 14, 1994] (c) See Memorandum Opinion and Order, FCC 91–146, adopted May 1, 1991. § 73.4260 Teaser announcements. 6 FCC Rcd 3448, 56 FR 25633, June 5, See Public Notice, FCC 62–592, dated 1991. June 1, 1962. 27 FR 5274, June 5, 1962. (d) See Memorandum Opinion and [44 FR 36389, June 22, 1979] Order, FCC 92–448, adopted September 18, 1992. 7 FCC Rcd 6564, 57 FR 47410, Oc- § 73.4265 Telephone conversation tober 16, 1992. broadcasts (network and like [59 FR 52087, Oct. 14, 1994] sources). See Memorandum Opinion and Order, Alphabetical Index—Part 73 FCC 75–1406, adopted December 18, 1975. 57 FCC 2d, 334; 41 FR 816, January 5, RULES APPLY TO ALL SERVICES, AM, FM, AND 1976. TV, UNLESS INDICATED AS PERTAINING TO A [44 FR 36389, June 22, 1979] SPECIFIC SERVICE [Policies of FCC are indicated (*)] § 73.4266 Tender offer and proxy state- ments. See Policy Statement, MM Docket 85– A 218, FCC 86–67, adopted January 30, Acceptability of broadcast transmitters 73.1660 Access, Prime time (TV) ...... 73.658 1986. 51 FR 9794, March 21, 1986. Action on applications ...... 73.3591±73.3605 Adjacent channel and co-channel sta- [51 FR 26251, July 22, 1986] tions, Minimum mileage, separation betweenÐ § 73.4267 Time brokerage. FM ...... 73.207 NCE±FM ...... 73.507 (a) See Policy Statement, Docket 78– Administrative changes in authoriza- 355, FCC 80–621, adopted October 21, tionsÐ 1980. 82 FCC 2d 107. FM ...... 73.212 (b) See Report and Order, MM Docket TV ...... 73.615 AdvertisingÐ 91–140, FCC 92–97, adopted March 12, Refusal to sell ...... 73.4005 (*) 1992. 7 FCC Rcd 2755; 57 FR 18089, April Sponsorship identification ...... 73.1212 29, 1992. See also ``Commercial'' list- ings. (c) See Memorandum Opinion and Affiliation agreements and network 73.658 Order and Further Notice of Proposed program practices; territorial exclu- Rule Making, MM Docket 91–140, FCC sivity in non-network program ar- rangements (TV). 92–361, adopted August 5, 1992. 7 FCC Affiliation agreements, Networks/sta- Rcd 6387; 57 FR 42701, September 16, tions 1992. AM ...... 73.132, 73.3613, 73.4154 (*) [47 FR 3792, Jan. 27, 1982, as amended at 59 FM ...... 73.232, 73.3613, FR 52087, Oct. 14, 1994] 73.4154 (*) TV ...... 73.658, 73.3613 Agreement, United States-Mexico FM 73.504 § 73.4275 Tone clusters; audio atten- broadcast, Channel assignments tion-getting devices. under (NCE±FM). See Public Notice, FCC 76–610, dated Agreements, International broadcasting 73.1650 Alarm and monitoring points, Auto- July 2, 1976. 60 FCC 2d 920; 41 FR 28582, matic transmission systemÐ July 12, 1976. AM ...... 73.146 FM ...... 73.346 [44 FR 36389, June 22, 1979] NCE±FM ...... 73.546

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Allocation, Engineering standards of 73.182 TV ...... 73.685 (AM). Antenna systems, Directional (AM) ...... 73.150 Allocation, Field strength measure- 73.186 Antennas, Auxiliary ...... 73.1675 ments in; establishment of effective Antennas, Emergency ...... 73.1680 field at one mile (AM). Application and report forms ...... 73.3500 Allotments, Table of (FM) ...... 73.202 ApplicationsÐ AM antenna systems ...... 73.45 Acceptance ...... 73.3564 AM broadcast channels, Classes of .... 73.21, 73.23, 73.25, Agreements for Conflict removal .. 73.3525 73.26, 73.27, AM station processing ...... 73.3571 73.29 Amendment of ...... 73.3522 AM definitions ...... 73.14 AM and FM construction permits, 73.4015 (*) AM directional antenna field measure- 73.61 incomplete or defective. ments. Amendments, renewal and assign- 73.3578 AM: Scope of subpart ...... 73.1 ment or transfer of control. AM stereophonic broadcasting ...... 73.128 Assign or transfer unbuilt facility ... 73.3535 AM transmission system emission limi- 73.44 Assignment, Involuntary ...... 73.3540 tations. Assignment, Voluntary ...... 73.3540 AM transmission system fencing re- 73.49 Call signs ...... 73.3550 quirements. Conflicting ...... 73.3518 AmendmentsÐ Conflicts: other North American 73.3570 Major/minor: Renewal, assign- 73.3578 countries. ment, transfer. Commission action required ...... 73.3561 Matter of right ...... 73.3522 Commission action not required ... 73.3562 Procedures ...... 73.3513 Construction period ...... 73.3598 Ammeters, antenna and common 73.57 Construction permit extension ...... 73.3534 point, Remote reading (AM). Construction permit forfeiture ...... 73.3599 Announcements requiredÐ Contingent applications ...... 73.3517 Designation of application for 73.3594 Content ...... 73.3514 hearing. Copies, number of; when to file .... 73.3512 Donor ...... 73.503, 73.621, Defective ...... 73.3566 73.1212 Designation for hearing ...... 73.3593 Filing of broadcast applications .... 73.3580 Designation for hearing, public no- 73.3594 Sponsorship ...... 73.1212 tice. Station I.D ...... 73.1201 Dismissal ...... 73.3568 Antenna base fences, (AM) ...... 73.49 Emergency authorization ...... 73.3542 Antenna, directional, Field measure- 73.61 Existing station changes ...... 73.3538 ments (AM). Facilities specifications ...... 73.3516 Antenna, directional, Field strength 73.151 Filing location; number of copies .. 73.3512 measurements to establish perform- FM, FM translator processing ...... 73.3573 ance of (AM). FM stations, Commercial ...... 73.4017 (*) Antenna height and Power require- Forfeiture, construction permit ...... 73.3599 mentsÐ Formal; informal ...... 73.3511 FM ...... 73.211 Grant, Conditional ...... 73.3592 NCE±FM ...... 73.511 Grants without hearing ...... 73.3591 TV ...... 73.614 Hearing designation ...... 73.3593 Antenna heights, Minimum, or field 73.189 Hearing status retention ...... 73.3605 strength requirements (AM). Inconsistent ...... 73.3518 Antenna monitors (AM) ...... 73.69 Informal; Formal ...... 73.3511 Antenna monitors, Requirements for 73.53 International station processing .... 73.3574 authorization of (AM). License ...... 73.3536 Antenna monitors, Sampling system 73.68 Modification and simultaneous re- 73.3601 for (AM). newal of license. Antenna resistance and reactance; 73.54 Modify authorized-unbuilt facility ... 73.3535 measurements (AM). Modified station license ...... 73.3544 Antenna site, Use of commonÐ Multiple ...... 73.3520 FM ...... 73.239 Mutually exclusive applications for 73.3521 TV ...... 73.635 LPTV and TV translator and Antenna testing during daytime (AM) .. 73.157 booster stations. Antenna structure, marking and light- 73.1213 Objections, informal, Filing of ...... 73.3587 ing. Operation during repair of defec- 73.3549 Antenna system tolerances, Directional 73.62 tive, required equipment. (AM). Petitions to deny ...... 73.3584 Antenna system; Transmitter location 73.685 Program delivery to foreign sta- 73.3545 (TV). tions. Antenna systemsÐ Public notice, Designation for 73.3594 AM ...... 73.45 hearing. FM ...... 73.316 Public notice of filing ...... 73.3580 NCE±FM ...... 73.510 Renewal ...... 73.3539

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Renewal and simultaneous modi- 73.3601 FM ...... 73.318 fication of license. Broadcast channels and stations, 73.21, 73.22, 73.25, Repetitious ...... 73.3519 Classes of (AM). 73.26, 73.27, Replacement of construction per- 73.3534 73.29 mit. Broadcast day (definition) ...... 73.1700 Rounding of nominal power on 73.31 Broadcast facilities authorizations; 73.24 (AM). showing required (AM). Signing of ...... 73.3513 Broadcast facilities, showing required 73.37 Special service authorizations ...... 73.3543 for applications (AM). Specification of facilities ...... 73.3516 Broadcast of FAA communications ...... 73.4102 (*) Temporary authorization ...... 73.3542 Broadcast of lottery information ...... 73.1211 Transfer and assignment proce- 73.3597 Broadcast of taped, filmed or recorded 73.1208 dures. material. Transfer of control, Involuntary ..... 73.3541 Broadcast of telephone conversation .. 73.1206 Transfer of control, Voluntary ...... 73.3540 Broadcast transmitters, Acceptability of 73.1660 Transfer or assign unbuilt facility .. 73.3535 Broadcasting agreements, International 73.1650 TV, LPTV, translator and TV 73.3572 Broadcasting emergency information .. 73.1250 booster processing. Broadcasting, StereophonicÐ Unbuilt facilities: modify, assign or 73.3535 FM ...... 73.297 transfer. NCE±FM ...... 73.596 Use of former main antenna as 73.3534 Broadcasts by candidates for public of- 73.1940 auxiliary. fice. Waiver procedure ...... 73.3603 Applications for broadcast facilities, 73.37 C showing required (AM). Call lettersÐrequests and assignments 73.3550 Assignment, FM Increasing availability 73.4107 (*) Candidates for public office, Broadcast 73.1940 of. by. Assignment of stations to channels 73.28 Carrier frequency departure tolerances 73.1545 (AM). Carrier frequency measurements ...... 73.1540 Assignment policies and procedures, 73.4104 (*) Certification of financial qualifications .. 73.4099(*) FM. Changes in authorizations, Administra- Assignments, Table ofÐ tiveÐ FM ...... 73.202 FM ...... 73.212 NCE±FM ...... 73.501 TV ...... 73.615 TV ...... 73.606 Channel assignments under the United 73.504 Assignments, Channel, under the Unit- 73.504 States±Mexico Broadcast Agree- ed States-MexicoÐFM Broadcast ment (NCE±FM). Agreement (NCE±FM). Channels and stations, Classes of AM 73.21, 73.22, 73.25, ATS-Automatic transmission system ... 73.1500 Broadcast. 73.26, 73.27, Attacks, Personal ...... 73.1920 73.29 Aural and visual TV transmitters, Oper- 73.653 Channel 6 Protection (NCE±FM) ...... 73.525 ation of. Channels, Assignment of stations to 73.28 Aural baseband subcarriers, TV ...... 73.665 (AM). Authorization of antenna monitors, Re- 73.53 Channels available for assignment 73.501 quirements for. (NCE±FM). Authorization, Administrative changes Channels, Availability ofÐ inÐ FM ...... 73.203 FM ...... 73.212 TV ...... 73.607 TV ...... 73.615 Channels, Classes of Educational, and 73.506 Authorizations, Experimental ...... 73.1510 stations operating thereon. Authorizations, Remote Control ...... 73.1400 Channels, FM broadcast, Numerical 73.201 Authorizations, Special Field test ...... 73.1515 designation of. Authorizations, Special temporary 73.1635 Channels, Restriction on use of (FM) .. 73.220 (STA). Channels, TV, Numerical designation 73.603 Automatic transmission system (ATS) 73.1500 of. Auxiliary antennas ...... 73.1675 Channels, unreserved, Noncommercial 73.513 Auxiliary transmitters ...... 73.1670 educational broadcast stations, oper- Availability of channelsÐ ating on (NCE±FM). FM ...... 73.203 Character evaluation of broadcast ap- 73.4280 (*) TV ...... 73.607 plicants. Availability to FCC of station logs and 73.1226 Charts, EngineeringÐ records. AM ...... 73.190 FM ...... 73.333 B TV ...... 73.699 Barter agreements ...... 73.4045 (*) Charts, Groundwave field strength 73.184 Baseband subcarriers, Aural, TV ...... 73.665 (AM). Blanketing interferenceÐ Chief operators ...... 73.1870 AM ...... 73.88 Children's TV programs ...... 73.4050 (*)

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Cigarette advertising ...... 73.4055 (*) Directional antennas, Field strength 73.151 Citizen agreements ...... 73.4060 (*) measurements to establish perform- Classes of AM broadcast channels 73.21, 73.22, 73.25, ance of (AM). and stations. 73.26, 73.27, Directional antenna data, Modification 73.152 73.29 of (AM). Classes of noncommercial educational 73.506 Directional antenna monitoring points 73.158 FM Stations and channels. (AM). Classes of stations; power and an- 73.211 Directional antenna systems (AM) ...... 73.150 tenna height requirements. Discontinuance of operation ...... 73.1750 Classified ads ...... 73.1212 Distance and Reference points, com- Co-channel and adjacent channel sta- putations ofÐ tions, Minimum separationÐ FM ...... 73.208 FM ...... 73.207 TV ...... 73.611 NCE±FM ...... 73.507 Distance separations, Minimum, be- Combination advertising rates; joint 73.4065 (*) tween stationsÐ sales practices. FM ...... 73.207 Commercials Loud ...... 73.4075 (*) NCE±FM ...... 73.507 See Also ``Advertising'' listings. TV ...... 73.610 Common antenna site, use ofÐ Distress sales and tax certificates, Mi- 73.4140* FM ...... 73.239 nority ownership. TV ...... 73.635 Doctrine, Fairness ...... 73.1910 Common point, and antenna amme- 73.57 Dolbey encoder ...... 73.4094 (*) Donor announcements (NCE±FM) ...... 73.503 ters, Remote reading (AM). Double billing ...... 73.1205 Communications services, Subsidi- Drug lyrics ...... 73.4095 (*) aryÐ Dual-language broadcasting in Puerto 73.1210 FM ...... 73.295 Rico, TV/FM. NCE±FM ...... 73.593 TV ...... 73.667 E Comparative broadcast hearingsÐspe- 73.4082 EAS (Emergency Alert System ...... 11.1±11.62 cialized formats(*). EAS signal test-automated systems .... 73.4097(*) Computation of interfering signal (AM) 73.185 Editorials, Political ...... 73.1930 Computations, Reference points and Educational, Noncommercial FM sta- 73.513 distanceÐ tions on unreserved channels (NCE± FM ...... 73.208 FM). TV ...... 73.611 Educational stations, Noncommercial 73.621 Construction period ...... 73.3598 (TV). Construction permit, forfeited ...... 73.3599 Effective field at one kilometer, Estab- 73.186 Contests, License-Conducted ...... 73.1216 lishment of (AM). Contours, Field strengthÐ Emergency antennas ...... 73.1680 FM ...... 73.311 Emergency Broadcast System (EBS) .. 73.901±73.962 TV ...... 73.683 Emergency Alert System (EAS) ...... 11.1±11.62 Contracts, Filing of ...... 73.3613 Emission limitations, AM transmission 73.44 Coverage, Prediction ofÐ system. FM ...... 73.313 Employment opportunities, Equal ...... 73.2080 TV ...... 73.684 Employment report ...... 73.3612 Cross reference to rules in other Parts 73.1010 Engineering chartsÐ AM ...... 73.190 D FM ...... 73.333 Day, Broadcast (definition) ...... 73.1700 TV ...... 73.699 Daylight Savings time ...... 73.1209 Engineering standards of allocation 73.182 Daytime (definition) ...... 73.1720 (AM). Daytime radiation, Limitation on (AM) .. 73.187 Engineering, Standards of good prac- 73.508 Definitions, Subscription TV ...... 73.641 tice NCR±FM. Definitions, TechnicalÐ Equal employment opportunities ...... 73.2080 AM ...... 73.14 Equipment performance measure- 73.1590 FM ...... 73.310 ments. TV ...... 73.681 Equipment tests ...... 73.1610 Deny, Petitions to ...... 73.3584 Establishment of effective field at one 73.186 Determining operating powerÐ kilometer (AM). AM ...... 73.51 Evaluation of broadcast applicant char- 73.4280 (*) FM ...... 73.267 acter. NCE±FM ...... 73.567 Exclusivity, Territorial (Network)Ð TV ...... 73.663 AM ...... 73.132 Direct broadcast satellites ...... 73.4091 (*) FM ...... 73.232 Directional antenna field measure- 73.61 TV ...... 73.658 ments (AM). Experimental authorizations ...... 73.1510 Directional antenna system tolerances 73.62 Experimental period, Operating during 73.72 (AM). the (AM).

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Extension meters ...... 73.1550 FM transmitter site map submissions .. 73.4108 FM/TV dual-language broadcasting in 73.1210 F Puerto Rico. FAA communications, Broadcast of ..... 73.4102 (*) Frequency measurement, Carrier ...... 73.1540 Facilities, Automatic transmission sys- Frequency departure tolerances, Car- 73.1545 temÐ rier. AM ...... 73.142 FM ...... 73.342 G NCE±FM ...... 73.542 General operating requirements (Sub- 73.643 Facilities authorizations; Broadcast; 73.24 scription TV). showing required (AM). General requirements for type ap- 73.692 Fairness Doctrine ...... 73.1910 proval of modulation monitors (TV). FCC Policies ...... 73.4000 (*) General requirements relating to logs 73.1800 FCC, Station inspections by ...... 73.1225 GrantsÐ Fencing requirements, AM trans- 73.49 Conditional ...... 73.3592 mission system. Without hearing ...... 73.3591 Fencing requirements, AM stations ..... 73.49 Groundwave field strength charts (AM) 73.184 Field measurements, AM directional 73.61 Groundwave signals (AM) ...... 73.183 antenna. H Field strength charts, Groundwave 73.184 (AM). Hard Look Deficiencies and Amend- 73.3522(a)(6) Field strength contoursÐ ments (as modified) (FM). FM ...... 73.311 Hearings, Designation of applications 73.3593 TV ...... 73.683 for. Field strength measurements: estab- 73.186 Hours, Specified ...... 73.1730 lishment of effective field. I Field strength measurementsÐ Identification, Sponsorship; list reten- 73.1212 FM ...... 73.314 tion, related requirements. TV ...... 73.686 Identification, Station ...... 73.1201 Field strength measurements in sup- 73.153 Indicating instruments (requirements port of applications or evidence at for)Ð hearing (AM). AM ...... 73.58 Field strength measurements to estab- 73.151 FM ...... 73.258 lish performance of directional an- NCE±FM ...... 73.558 tennas (AM). TV ...... 73.688 Field strength requirements or, Mini- 73.189 Indicating instrumentsÐspecifications 73.1215 mum antenna heights (AM). (meters). Field test authorizations, Special ...... 73.1515 Information, Broadcasting emergency 73.1250 File, Political ...... 73.1940 Input power, Antenna; how determined 73.51 File, Public ...... 73.3526±73.3527 (AM). Filing of applications ...... 73.3511±73.3550 Inspection of program logs, Public ...... 73.1850 Filing of contracts ...... 73.3613 Inspections, Station, by FCC ...... 73.1225 Filmed, taped, or recorded material; 73.1208 Inspections, Transmission system ...... 73.1580 Broadcast of. Instruments, Indicating (requirements Financial qualificationsÐ for)Ð AM and FM ...... 73.4100 (*) AM ...... 73.58 TV ...... 73.4101 (*) FM ...... 73.258 Financial qualifications, Certifi- 73.4099(*) NCE±FM ...... 73.558 cation of. TV ...... 73.688 FM assignments, increasing avail- 73.4107 (*) Instruments, indicatingÐspecifications 73.1215 ability. (meters). Foreign broadcast stationsÐPermits to 73.3545 Interference, BlanketingÐ furnish programs. AM ...... 73.88 Forfeitures ...... 1.80 FM ...... 73.318 Format changes of stations ...... 73.4110 (*) Interference, Protection fromÐ Forms, Application and report ...... 73.3500 FM ...... 73.209 FM and AM programming, Duplication 73.242 NCE±FM ...... 73.509 of. TV ...... 73.612 FM assignment policies and proce- 73.4104 (*) Interference to Astronomy, Research 73.1030 dures. and Receiving installations, Notifica- FM broadcast channels, Numerical 73.201 tions concerning. designation of. Interfering signal, Computation of (AM) 73.185 FM multiplex subcarriers, Use of ...... 73.293 International Broadcast stations ...... 73.701±73.793 FM multiplex subcarriers transmission 73.319 Definitions ...... 73.701 technical standards. Assignment and use of fre- 73.702 FM subsidiary communications serv- 73.295 quencies. ices. Geographical zones and areas of 73.703 Communication services ...... 73.295 reception.

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Notification of filing of applications 73.1030 LogsÐ Equipment tests ...... 73.712 General requirements related to 73.1800 Program tests ...... 73.713 the station. Licensing requirements ...... 73.731 Station ...... 73.1820 Authorizations ...... 73.732 Program ...... 73.1810 Normal license period ...... 73.733 Program, Public inspection of ...... 73.1850 Operating power ...... 73.751 Retention of ...... 73.1840 Antenna systems ...... 73.753 Logs and records, Availability to FCC 73.1226 Frequency monitors ...... 73.754 Lottery or random selection licensing .. 1.1601±1.1623, Modulation monitors ...... 73.755 73.3572, 73.3584, Transmission system require- 73.756 73.3597 ments. Lottery information, Broadcast of ...... 73.1211 Auxiliary transmitters ...... 73.757 Alternate main transmitters ...... 73.758 M Modification of transmission sys- 73.759 Main studio location ...... 73.1125 tems. Main transmitters ...... 73.1665 Time of operation ...... 73.761 Maintenance and tests, Operation for 73.1520 Station inspection ...... 73.1225 Marking and Lighting, Antenna struc- 73.1213 Station license and seasonal 73.1230 ture. schedules, posting of. Measurements, Antenna resistance 73.54 International broadcast station op- 73.764 and reactance (AM). erator requirements. Measurements, Carrier frequency ...... 73.1540 Determining operating power ...... 73.765 Measurements, Equipment perform- 73.1590 Modulation and bandwidth ...... 73.766 ance. Frequency tolerance ...... 73.1545 Measurements, Field strength, for es- 73.186 Antenna structure marking and 73.1213 tablishment of effective field at one lighting. mile. (AM). Discontinuance of operation ...... 73.1750 Measurements, Field strength in sup- 73.153 Logs ...... 73.781 port of applications or evidence at Retention of logs ...... 73.782 hearings (AM). Logs, by whom kept ...... 73.1800 Measurements, Field strengthÐ Log form ...... 73.1800 FM ...... 73.314 Log corrections ...... 73.1800 TV ...... 73.686 Station identification ...... 73.787 Measurements, Field strength, to es- 73.151 Service; Commercial or sponsored 73.788 tablish performance of directional programs. antennas (AM). Sponsorship identification ...... 73.1212 Measurements, Equipment perform- 73.1590 Rebroadcasts ...... 73.1207 ance. Equal employment opportunities .. 73.2080 Meters, Extension ...... 73.1550 International broadcasting agreements 73.1650 MetersÐspecifications ...... 73.1215 Mexican/U.S. Agreement ...... 73.3570 L MexicoÐU.S. FM Broadcast Agree- 73.504 Letters received from the public, Re- 73.1202 ment, Channel Assignment under tention of. (NCE±FM). License period, Station ...... 73.1020 Minimum antenna heights or field 73.189 Licensee-conducted contests ...... 73.1216 strength requirements (AM). Licenses, station and operator, Posting 73.1250 Minimum filing requirement (FM) ...... 73.3564(a) of. Minimum operating schedule ...... 73.1740 Licensing, Acceptability of broadcast 73.640 Minimum separations between sta- transmitters for (TV). tionsÐ Licensing by lottery or random selec- 1.1601±1.1623, FM ...... 73.207 tion. 73.3572, 73.3584, NCE±FM ...... 73.507 73.3597 TV ...... 73.610 Licensing policies (Subscription TV) .... 73.642 Minimum separation, Stations at 73.213 Licensing requirements and service 73.503 spacings below (FM). (NCE±FM). Minority ownership; tax certificates and 73.4140 (*) Lighting and marking, Antenna struc- 73.1213 distress sales. ture. Misrepresentation in advertising bill- 73.1205 Limitation on daytime radiation (AM) ... 73.187 ings. Limited time ...... 73.1725 Mode and Operating power tolerances 73.1560 Lists retention; Sponsorship identifica- 73.1212 Modification of directional antenna 73.152 tion; related requirements. data (AM). Location, Main studio ...... 73.1125 Modification of facilities, Operation dur- 73.1615 Location of transmitterÐ ing. FM ...... 73.315 Modification of transmission systems .. 73.1690 TV ...... 73.685 Modulation levels, AM, FM, and TV 73.1570 Location, Station ...... 73.1120 aural. Location, Transmitter and antenna sys- 73.685 Modulation monitoring equipment, Vis- 73.691 tem (TV). ual.

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Monitoring and alarm points, Automatic O transmission systemÐ Objections (informal) to applications .... 73.3587 AM ...... 73.146 Obscene language ...... 73.4165 (*) FM ...... 73.346 Obscene lyrics ...... 73.4170 (*) NCE±FM ...... 73.546 Operating during the experimental pe- 73.72 Monitoring equipment, Visual modula- 73.691 riod (AM). tion. Operating on unreserved channels, 73.513 Monitoring point locations ...... 73.158 Noncommercial educational broad- Monitors, Antenna (AM) ...... 73.69 cast stations (NCE±FM). Monitors, antenna, Requirements for 73.53 Operating power, DeterminingÐ authorization of (AM). AM ...... 73.51 Monitors, antenna, Sampling system 73.68 FM ...... 73.267 for (AM). NCE±FM ...... 73.567 Multiple ownership ...... 73.3555 TV ...... 73.663 Multiplex subcarrier transmission 73.319 Operating power and mode tolerances 73.1560 technical standards, FM. Operating requirements, General (Sub- 73.643 Multiplex subscribers, Use ofÐ scription TV operations). FM ...... 73.293 Operating schedule, Minimum ...... 73.1740 TV ...... 73.665 Operating schedule; time sharing 73.561 Multiplex subsidiary, Use of ...... 73.667 (NCE±FM). Multiplex transmission, Use of (AM) .... 73.127 Operation, Discontinuance of ...... 73.1750 Operation during modification of facili- 73.1615 N ties. NARBA (North American Regional 73.3570 Operation for tests and maintenance .. 73.1520 Broadcasting Agreement). Operation of TV aural and visual trans- 73.653 Network, Affiliation agreements and 73.658 mitters. program practices; territorial exclu- Operation, Remote Control ...... 73.1410 sivity in non-network program ar- Operation, Time of ...... 73.1705 rangements (TV). Operation, Unauthorized ...... 73.1745 Operator and station licenses, Posting 73.1230 Network/AM and FM station affiliation 73.4154 (*) of. agreements. Operators, Chief ...... 73.1870 Network signalsÐadversely affecting 73.4157 (*) Operators, Transmitter duty ...... 73.1860 affiliate service. Overlap, Prohibited ...... 73.509 Network/station affiliation agree- Ownership, Multiple ...... 73.3555 mentsÐ Ownership report ...... 73.3615 AM ...... 73.132, 73.3613, 73.4154 (*) P FM ...... 73.232, 73.3613, Payment disclosure: Payola, plugola, 73.4180 (*) 73.4154 (*) kickbacks. TV ...... 73.658, 73.3613 Performance measurements, Equip- 73.1590 Network syndication ...... 73.658 ment. (Network), Territorial exclusivityÐ Performance of directional antennas, 73.151 AM ...... 73.132 Field strength measurements to es- FM ...... 73.232 tablish (AM). TV ...... 73.658 Performance requirements, AM trans- 73.40 Nighttime service areas, Class II and 73.4160 (*) mission systems. III AM Stations; computation. Permissible transmissions (FM) ...... 73.277 Nominal Power, Rounding of (AM) ...... 73.31 Personal attacks ...... 73.1920 Noncommercial educational channel 73.504 Petitions to deny ...... 73.3584 assignments under the United Plans, State-wide (NCE±FM) ...... 73.502 States-Mexico FM Broadcast Agree- Points, Reference, and distance com- 73.611 ment. putations (TV). Noncommercial educational FM sta- 73.506 Point-to-point emergency messages ... 73.1250 tions and channels. Policies, Licensing (TV) ...... 73.642 Noncommercial educational FM sta- 73.513 Policies of FCC ...... 73.4000 (*) tions operating on unreserved chan- Political advertising by UHF translators 73.4195 (*) nels. Political advertisingÐsponsorship iden- 73.1212 Noncommercial educational stations 73.621 tification. (TV). Political broadcasting and telecasting, 73.4185 (*) Noncommercial natureÐeducational 73.4163 (*) The law of. broadcast stations. Political candidate authorization notice 73.4190 (*) Notifications concerning interference to 73.1030 and sponsorship identification. Radio Astronomy, Research and Re- Political editorials ...... 73.1930 ceiving installations. Political file ...... 73.1940 Numerical designation of FM broad- 73.201 Portable test stations ...... 73.1530 cast channels. Posting of station and operator li- 73.1230 Numerical designation of TV channels 73.603 censes.

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Power and antenna height require- Reference to time ...... 73.1209 mentsÐ Remote control authorizations ...... 73.1400 FM ...... 73.211 Remote control operation ...... 73.1410 NCE±FM ...... 73.511 Remote reading antenna and common 73.57 TV ...... 73.614 point ammeters (AM). Power and mode tolerances, Operat- 73.1560 Renewal period ...... 73.1020 ing. Report and application forms ...... 73.3500 Power, nominal, Rounding of (AM) ...... 73.31 Requirements, Equipment and tech- 73.644 Power, operating, determiningÐ nical system performance (TV). AM ...... 73.51 Requirements for authorization of an- 73.53 FM ...... 73.267 tenna monitors (AM). NCE±FM ...... 73.567 Requirements, Subscription TV, oper- 73.643 TV ...... 73.663 ating. Prediction of coverageÐ Requirements, Power and antenna FM ...... 73.313 heightÐ TV ...... 73.684 AM ...... 73.189 Presunrise service authorization 73.99 FM ...... 73.211 (PSRA) and Post sunset service au- NCE-FM ...... 73.511 thorization (PSSA). TV ...... 73.614 Prime time access (TV) ...... 73.658 Requirements, relating to logs, Gen- 73.1800 Procedure Manual: ``The Public and 73.4210 (*) eral. Broadcasting''. Requirements, Transmission system Processing of applications ...... 73.3561±73.3587 FM ...... 73.317 Program logs ...... 73.1810 TV ...... 73.687 Program logs, Public inspection of ...... 73.1850 Requirements, Transmission system 73.40 Program matter: Supplier identification 73.4215(*) performance (AM). Prgoram practices, network, and Affili- 73.658 Responses and statements to Com- 73.1015 ation agreements; territorial exclusiv- mission inquiries. ity in non-network program arrange- Restrictions on use of channels (FM) .. 73.220 ments (TV). Retention of letters received from the 73.1202 Program tests ...... 73.1620 public. Prohibited overlap ...... 73.509 Retention of logs ...... 73.1840 Proofs of performance, partial and 73.154 Rounding of nominal power (AM) ...... 73.31 skeleton, Field strength measure- (Rules common to all broadcast sta- 73.1001 ments (AM). tions), Scope. Protection from interferenceÐ Rules in other Parts, Cross reference 73.1010 FM ...... 73.209 to. NCE-FM ...... 73.509 TV ...... 73.612 S Proxy statements and tender offers ..... 73.4266(*) Sampling systems for antenna mon- 73.68 Public inspection file ...... 73.3526±73.3527 itors (AM). Public inspection of program logs ...... 73.1850 Satellites, Direct broadcast ...... 73.4091(*) Public office, Broadcasts by can- 73.1940 SCAÐ didates for. FM ...... 73.293 Puerto Rico TV/FM, dual-language 73.1210 NCE-FM ...... 73.593 broadcasting in. Schedule, Minimum operating ...... 73.1740 Q Schedule; Operating, time sharing 73.561 Quiet zone ...... 73.1030 (NCE-FM). School closings ...... 73.1250 R Scope of Subpart A (AM) ...... 73.1 Radiation characteristics, Vertical 73.160 Scope of Subpart E (TV) ...... 73.601 plane. Scope of Subpart H (rules common to 73.1001 Radiation, daytime, Limitation on (AM) 73.187 all broadcast stations). Random selection or lottery licensing .. 1.1601±1.1623, Separations (channel) (TV) ...... 73.610 73.23572, Separations, Minimum mileage, be- 73.3584, 73.3597 tween co-channel and adjacent Rebroadcasts ...... 73.1207 channel stationsÐ Recorded, taped or filmed material; 73.1208 FM ...... 73.217 Broadcast of. NCE-FM ...... 73.507 Recording telephone conversations ..... 73.1206 Separations, Stations at spacings 73.213 Records and logs, Availability to FCC 73.1226 below minimum (FM). Records, special technical ...... 73.1835 Service and licensing requirements 73.503 Reference, Cross, to rules in other 73.1010 (NCE-FM). Parts. Share time ...... 73.1715 Reference points and distance com- Sharing time, Operating schedule 73.561 putationsÐ (NCE-FM). FM ...... 73.208 Short-spacing agreements: FM sta- 73.4235(*) TV ...... 73.611 tions.

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Showing required; Applications for 73.37 Subcarrier multiplex, transmission broadcast facilities (AM). standardsÐ Signal, Computation of interfering (AM) 73.185 FM ...... 73.319 Signal, Groundwave (AM) ...... 73.183 Subcarrier, multiplex, Use ofÐ Site, common antenna, Use ofÐ FM ...... 73.293 FM ...... 73.239 TV ...... 73.665 TV ...... 73.635 Subliminal perception ...... 73.4250 (*) Spacings, Stations below the minimum 73.213 Subpart A, Scope of (AM) ...... 73.1 separations (FM). Subpart E, Scope of (TV) ...... 73.601 Special antenna test authorizations 73.157 Subpart H, Scope of (rules common to 73.1001 (AM). all broadcast stations). Special field test authorization ...... 73.1515 (Subscription TV operations), Defini- 73.641 Special technical records ...... 73.1835 tions. Special temporary authorizations 73.1635 Subsidiary Communications servicesÐ (STA's). FM ...... 73.295 SpecificationsÐIndicating instruments 73.1215 NCE±FM ...... 73.595 (meters). TV ...... 73.667 Specified hours ...... 73.1730 Subscription TVÐ Sponsorship identification list retention; 73.1212 Competing applications ...... 73.4247 (*) related requirements. Definitions ...... 73.641 Sponsorship identification rules, Appli- 73.4242 (*) Licensing policies ...... 73.642 cability of. Operating requirements ...... 73.643 STA's (Special temporary authoriza- 73.1635 Transmission systems ...... 73.644 tions). Syndication, network ...... 73.658 Standard time ...... 73.1209 Standards, FM multiplex subcarrier, 73.319 T technical. Table of assignmentsÐ Standards of allocation, Engineering 73.182 FM ...... 73.202 (AM). TV ...... 73.606 Standards of good engineering prac- 73.508 Tables (Distance-degree conversions 73.698 ticeÐNCE±FM. and separations) (TV). Standards, Stereophonic transmission 73.322 Taped, filmed, or recorded material; 73.1208 (FM). Broadcast of. Standards, Transmission ...... 73.682 Tax certificates and distress sales; Mi- 73.4140(*) State-wide plans (NCE±FM) ...... 74.502 nority sales. Statements and responses to Commis- 73.1015 Tax certificates: Issuance of ...... 73.4255 (*) sion inquiries. Teaser announcements ...... 73.4260 (*) Station and operator licenses, Posting 74.1230 Technical definitionsÐ of. AM ...... 73.14 Station identification ...... 73.1201 FM ...... 73.310 Station inspections by FCC ...... 73.1225 TV ...... 73.681 Station license period ...... 73.1020 Technical records, Special ...... 73.1835 Station location ...... 73.1120 (Technical standards), Definitions (TV) 73.681 Station log ...... 73.1820 Telecommunications service on verti- 73.646 Station, main studio location ...... 73.1125 cal blanking interval. Station transferring ...... 73.1150 Telephone conversations, Broadcast of 73.1206 Stations, Assignment of, to channels 73.28 Telephone conversation broadcasts 73.4625 (*) (AM). (network and like sources). Stations at spacings below the mini- 73.213 Television channels, Numerical des- 73.603 mum separation (FM). ignation of. Stations, Noncommercial educational 73.621 Temporary authorizations, Special 73.1635 (TV). (STA's). Stations, Noncommercial educational 73.513 Tender offers and proxy statements .... 73.4266(*) FM, operating on unreserved chan- Territorial exclusivily in non-network 73.658 nels. program arrangements; Affiliation Stereophonic sound broadcastingÐ agreements and network program AM ...... 73.128 practices (TV). FM ...... 73.297 Territorial exclusivity, (Network)Ð NCE±FM ...... 73.597 AM ...... 73.132 TV ...... 73.669 FM ...... 73.232 Stereophonic pilot subcarriersÐ 73.4246 (*) TV ...... 73.658 monophonic programming. Test authorization, Special field ...... 73.1515 Stereophonic sound transmission Test stations, Portable ...... 73.1530 standardsÐ Testing antenna during daytime (AM) 73.157 AM ...... 73.128 Tests and maintenance, Operation for 73.1520 FM ...... 73.322 Tests of equipment ...... 73.1610 TV ...... 73.682 Tests, Program ...... 73.1620 Studio location, Main ...... 73.1125 Time brokerage ...... 73.4627 (*)

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RULES APPLY TO ALL SERVICES, AM, FM, AND RULES APPLY TO ALL SERVICES, AM, FM, AND TV, UNLESS INDICATED AS PERTAINING TO A TV, UNLESS INDICATED AS PERTAINING TO A SPECIFIC SERVICEÐContinued SPECIFIC SERVICEÐContinued [Policies of FCC are indicated (*)] [Policies of FCC are indicated (*)]

Time of operation ...... 73.1705 Use of multiplex subcarriersÐ Time, Limited ...... 73.1725 FM ...... 73.293 Time, Reference to ...... 73.1209 TV ...... 73.665 Time, Share ...... 73.1715 Use of multiplex transmissions (AM) ... 73.127 Time Sharing, Operating schedule 73.561 (NCE±FM). V Time, Unlimited ...... 73.1710 Vertical blanking interval, Tele- 73.646 Tolerances, Carrier frequency depar- 73.1545 communication service on. ture. Vertical plane radiation characteristics 73.160 Tolerances, Directional antenna sys- 73.62 Visual and aural TV transmitters, Op- 73.653 tem (AM). eration of. Tolerances, Operating power and 73.1560 Visual modulation monitoring equip- 73.691 mode. ment. Tone clusters: Audio attention-getting 73.4275 (*) devices. W Topographic data (FM) ...... 73.3120 Want ads ...... 73.1212 Tower lighting and painting ...... 73.1213 Transferring a station ...... 73.1150 Z Transmission standards, Changes in .. 73.1695 Zone, Quiet ...... 73.1030 Transmission standards (TV) ...... 73.682 ZonesÐ Transmission system, Automatic (ATS) 73.1500 FM ...... 73.205 Transmission system emission limita- 73.44 NCE±FM ...... 73.505 tions, (AM). TV ...... 73.609 Transmission system inspections ...... 73.1580 Transmission system installation and 73.49 [50 FR 38530, Sept. 23, 1985; 50 FR 40395, Oct. safety requirements, AM. 3, 1985, as amended at 51 FR 34621, 34622, Transmission system performance re- 73.40 quirements (AM). Sept. 30, 1986; 52 FR 37316, Oct. 6, 1987; 52 FR Transmission system requirementsÐ 47569, Dec. 15, 1987; 53 FR 2499, Jan. 28, 1988; FM ...... 73.317 58 FR 51250, Oct. 1, 1993; 59 FR 67103, Dec. 28, TV ...... 73.687 1994] Transmission systems, Modification of 73.1690 Transmission systems, subscription TV 73.644 Transmissions, Permissible (FM) ...... 73.277 PART 74—EXPERIMENTAL RADIO, Transmitter duty operators ...... 73.1860 AUXILIARY, SPECIAL BROADCAST Transmitter, LocationÐ FM ...... 73.315 AND OTHER PROGRAM DISTRIBU- TV ...... 73.685 TIONAL SERVICES Transmitter location and antenna sys- 73.685 tem (TV). Transmitters, Auxiliary ...... 73.1670 Subpart—General; Rules Applicable to All Transmitters, broadcast, Acceptability 73.1660 Services in Part 74 of. Transmitters, Main ...... 73.1665 Sec. Transmitters, TV, aural and visual, Op- 73.653 74.1 Scope. eration of. 74.2 General definitions. TV Channel 6 protection (NCE±FM) .... 73.525 TV colorburst during black/white pro- 73.4272 (*) 74.3 FCC inspections of stations. gramming. 74.5 Cross reference to rules in other parts. TV/FM dual-language broadcasting in 73.1210 74.12 Notification of filing of applications. Puerto Rico. 74.13 Equipment tests. Type approval of modulation monitors, 73.692 74.14 Service or program tests. General requirements (TV). 74.15 Station license period. U 74.16 Temporary extension of station li- Unauthorized operation ...... 73.1745 censes. U.S./Mexican Agreement ...... 73.3570 74.18 Transmitter control and operation. USA-Mexico FM Broadcast Agree- 73.504 ment, Channel assignments under 74.19 Special technical records. (NCE±FM). 74.21 Broadcasting emergency information. Unlimited time ...... 73.1710 74.22 Use of common antenna structure. Unreserved channels, Noncommercial 73.513 74.23 Interference jeopardizing safety of life educational broadcast stations oper- or protection of property. ating on (NCE±FM). 74.24 Short-term operation. Use of channels, Restrictions on (FM) 73.220 Use of common antenna siteÐ 74.28 Additional orders. FM ...... 73.239 74.30 Antenna structure, marking and light- TV ...... 73.635 ing.

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