376 Part 2—Frequency Alloca

Home , Amateur radio station, Beta (time signal), Public Radio Service, Rural radio service

Pt. 2 47 CFR Ch. I (10–1–02 Edition)

state therein the concurrence or nonconcur- Subpart E—Distress, Disaster, and rence of said cooperating committee in the Emergency Communications decision or order of said Federal Commis- sion. 2.401 Distress messages. 2.402 Control of distress traffic. CONSTRUCTION HEREOF IN CERTAIN RESPECTS 2.403 Retransmission of distress message. EXPRESSLY PROVIDED 2.404 Resumption of operation after dis- It is understood and provided that no State tress. or States shall be deprived of the right of 2.405 Operation during emergency. participation and cooperation as herein- 2.406 National defense; free service. before provided because of nonmembership in 2.407 National defense; emergency author- the association. With respect to any such ization. State or States, all negotiations herein specified to be carried on between the Federal Subparts F–G [Reserved] Commission and any officer of such association shall be conducted by the Federal Com- Subpart H—Prohibition Against mission directly with the chairman of the Eavesdropping commission of such State or States. 2.701 Prohibition against use of a radio de- [28 FR 12462, Nov. 22, 1963, as amended at 29 vice for eavesdropping. FR 4801, Apr. 4, 1964] Subpart I—Marketing of Radiofrequency PART 2—FREQUENCY ALLOCA- Devices TIONS AND RADIO TREATY MAT- 2.801 Radiofrequency device defined. TERS; GENERAL RULES AND REG- 2.803 Marketing of radio frequency devices ULATIONS prior to equipment authorization. 2.807 Statutory exceptions. Subpart A—Terminology 2.811 Transmitters operated under part 73 of this chapter. Sec. 2.813 Transmitters operated in the Instruc- 2.1 Terms and definitions. tional Television Fixed Service. 2.815 External radio frequency power ampli- Subpart B—Allocation, Assignment, and fiers. Use of Radio Frequencies Subpart J—Equipment Authorization 2.100 International regulations in force. Procedures 2.101 Nomenclature of frequencies. GENERAL PROVISIONS 2.102 Assignment of frequencies. 2.103 Government use of non-Government 2.901 Basis and purpose. frequencies. 2.902 Verification. 2.104 International Table of Frequency Allo- 2.906 Declaration of Conformity. cations. 2.907 Certification. 2.105 United States Table of Frequency Al- 2.908 Identical defined. locations. 2.909 Responsible party. 2.106 Table of Frequency Allocations. APPLICATION PROCEDURES FOR EQUIPMENT 2.107 Radio astronomy station notification. AUTHORIZATIONS 2.108 Policy regarding the use of the fixed- satellite allocations in the 3.6–3.7, 4.5–4.8, 2.911 Written application required. and 5.85–5.925 GHz bands. 2.913 Submittal of equipment authorization application or information to the Com- Subpart C—Emissions mission. 2.915 Grant of application. 2.201 Emission, modulation, and trans- 2.917 Dismissal of application. mission characteristics. 2.919 Denial of application. 2.202 Bandwidths. 2.921 Hearing on application. 2.923 Petition for reconsideration; applica- Subpart D—Call Signs and Other Forms of tion for review. Identifying Radio Transmissions 2.924 Marketing of electrically identical equipment having multiple trade names 2.301 Station identification requirement. and models or type numbers under the 2.302 Call signs. same FCC Identifier. 2.303 Other forms of identification of sta- 2.925 Identification of equipment. tions. 2.926 FCC identifier.

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CONDITIONS ATTENDANT TO AN EQUIPMENT 2.1065 Identification and changes in equip- AUTHORIZATION ment information filed for application reference. 2.927 Limitations on grants. 2.929 Changes in name, address, ownership DECLARATION OF CONFORMITY or control of grantee. 2.931 Responsibility of the grantee. 2.1071 Cross reference. 2.932 Modification of equipment. 2.1072 Limitation on Declaration of Con- 2.933 Change in identification of equipment. formity. 2.936 FCC inspection. 2.1073 Responsibilities. 2.937 Equipment defect and/or design 2.1074 Identification. change. 2.1075 Retention of records. 2.938 Retention of records. 2.1076 FCC inspection and submission of 2.939 Revocation or withdrawal of equip- equipment for testing. ment authorization. 2.1077 Compliance information. 2.941 Availability of information relating to RADIOFREQUENCY RADIATION EXPOSURE grants. 2.943 Submission of equipment for testing. 2.1091 Radiofrequency radiation exposure 2.944 Submission of radio software. evaluation: mobile devices. 2.945 Sampling tests of equipment compli- 2.1093 Radiofrequency radiation exposure ance. evaluation: portable devices. 2.946 Penalty for failure to provide test samples and data. Subpart K—Importation of Devices 2.947 Measurement procedure. Capable of Causing Harmful Interference 2.948 Description of measurement facilities. 2.1201 Purpose. VERIFICATION 2.1202 Exclusions. 2.951 Cross reference. 2.1203 General requirement for entry into 2.952 Limitation on verification. the U.S.A. 2.953 Responsibility for compliance. 2.1204 Import conditions. 2.954 Identification. 2.1205 Filing of required declaration. 2.955 Retention of records. 2.1207 Examination of imported equipment. 2.956 FCC inspection and submission of equipment for testing. Subpart L [Reserved] 2.960 Designation of Telecommunication Certification Bodies (TCBs). Subpart M—Advance Approval of 2.962 Requirements for Telecommunication Subscription TV Transmission Systems Certification Bodies. ADVANCE APPROVAL PROCEDURE CERTIFICATION 2.1400 Application for advance approval 2.1031 Cross reference. under part 73. 2.1033 Application for certification. 2.1035 [Reserved] Subpart N—FCC Procedure for Testing 2.1041 Measurement procedure. Class A, B and S Emergency Position 2.1043 Changes in certificated equipment. Indicating Radiobeacons (EPIRBs) 2.1046 Measurements required: RF power output. GENERAL 2.1047 Measurements required: Modulation 2.1501 Introduction. characteristics. 2.1503 Test environment. 2.1049 Measurements required: Occupied 2.1505 Test instrumentation and equipment. bandwidth. 2.1051 Measurements required: Spurious ENVIRONMENTAL AND OPERATIONAL TEST emissions at antenna terminals. PROCEDURES 2.1053 Measurements required: Field strength of spurious radiation. 2.1507 Test frequencies. 2.1509 Environmental and duration tests. 2.1055 Measurements required: Frequency 2.1511 Measurements of radiated emissions. stability. 2.1513 Measurements of modulation charac- 2.1057 Frequency spectrum to be inves- teristics. tigated. 2.1515 Spectral measurements. 2.1060 Equipment for use in the amateur radio service. DATA RECORDING/REPORTING REQUIREMENTS

FILING FOR APPLICATION REFERENCE 2.1517 Data recording/reporting requirements. 2.1061 Submission of technical information for application reference. FIGURES 2.1063 Disclaimer re technical information filed for application reference. FIGURE 1—MEASUREMENT SITE

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FIGURE 2—TYPICAL AUDIO WAVEFORM specified fixed point on land to provide FIGURE 3—EXAMPLE OF IDEAL EPIRB SPEC- a feeder link for the aeronautical mo- TRUM bile-satellite service. (RR) FIGURE 4—EXAMPLE OF EPIRB CARRIER COM- PONENT Aeronautical Fixed Service. A radiocommunication service between speci- AUTHORITY: 47 U.S.C. 154, 302a, 303, and 336, fied fixed points provided primarily for unless otherwise noted. the safety of air navigation and for the SOURCE: 28 FR 12465, Nov. 22, 1963, unless regular, efficient and economical oper- otherwise noted. ation of air transport. (RR) EDITORIAL NOTE: Nomenclature changes to Aeronautical Fixed Station. A station part 2 appear at 63 FR 54077, Oct. 8, 1998. in the aeronautical fixed service. (RR) Aeronautical Mobile Off-Route (OR) Subpart A—Terminology Service. An aeronautical mobile service intended for communications, includ- § 2.1 Terms and definitions. ing those relating to flight coordina- (a) Where a term or definition ap- tion, primarily outside national or pears in this part of the Commission’s international civil air routes. (RR) Rules, it shall be the definitive term or Aeronautical Mobile Route (R) Service. definition and shall prevail throughout An aeronautical mobile service re- the Commission’s Rules. served for communications relating to (b) The source of each definition is safety and regularity of flight, pri- indicated as follows: marily along national or international CONV—International Telecommunication Con- civil air routes. (RR) vention, Malaga-Torremolinos, 1973. Aeronautical Mobile-Satellite Off-Route RR—Radio Regulations, Geneva, 1982. (OR) Service. An aeronautical mobile- FCC—Federal Communications Commission. satellite service intended for commu- (c) The following terms and defini- nications, including those relating to tions are issued: flight coordination, primarily outside Accepted Interference. 1 Interference at national and international civil air a higher level than defined as permis- routes. (RR) sible interference and which has been Aeronautical Mobile-Satellite Route (R) agreed upon between two or more ad- Service. An aeronautical mobile-sat- ministrations without prejudice to ellite service reserved for communica- other administrations. (RR) tions relating to safety and regularity Active Satellite. A satellite carrying a of flights, primarily along national or station intended to transmit or re- international civil air routes. (RR) transmit radiocommunication signals. Aeronautical Mobile-Satellite Service. A (RR) mobile-satellite service in which mo- Active Sensor. A measuring instru- bile earth stations are located on board ment in the earth exploration-satellite aircraft; survival craft stations and service or in the space research service emergency position-indicating radio- by means of which information is ob- beacon stations may also participate in tained by transmission and reception this service. (RR) of radio waves. (RR) Aeronautical Mobile Service. A mobile Administration. Any governmental de- service between aeronautical stations partment or service responsible for dis- and aircraft stations, or between air- charging the obligations undertaken in craft stations, in which survival craft the Convention of the International stations may participate; emergency Telecommunication Union and the position-indicating radiobeacon sta- Regulations. (CONV) tions may also participate in this serv- Aeronautical Earth Station. An Earth station in the fixed-satellite service, ice on designated distress and emer- or, in some cases, in the aeronautical gency frequencies. (RR) mobile-satellite service, located at a Aeronautical Radionavigation-Satellite Service. A radionavigation-satellite service in which earth stations are lo- 1 The terms permissible interference and accepted interference are used in the coordina- cated on board aircraft. (RR) tion of frequency assignments between ad- Aeronautical Radionavigation Service. ministrations. A radio-navigation service intended for

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the benefit and for the safe operation of a station is authorized; the width of of aircraft. (RR) the band equals the necessary band- Aeronautical Station. A land station in width plus twice the absolute value of the aeronautical mobile service. the frequency tolerance. Where space NOTE: In certain instances, an aeronautical stations are concerned, the assigned station may be located, for example, on frequency band includes twice the max- board ship or on a platform at sea. (RR) imum Doppler shift that may occur in Aircraft Earth Station. A mobile earth relation to any point of the Earth’s station in the aeronautical mobile-sat- surface. (RR) ellite service located on board an air- Assignment (of a radio frequency or craft. (RR) radio frequency channel). Authorization Aircraft Station. A mobile station in given by an administration for a radio the aeronautical mobile service, other station to use a radio frequency or than a survival craft station, located radio frequency channel under speci- on board an aircraft. (RR) fied conditions. (RR) Allocation (of a frequency band). Entry Base Earth Station. An earth station in the Table of Frequency Allocations in the fixed-satellite service or, in of a given frequency band for the pur- some cases, in the land mobile-satellite pose of its use by one or more terres- service, located at a specified fixed trial or space radiocommunication point or within a specified area on land services or the radio astronomy service to provide a feeder link for the land under specified conditions. This term mobile-satellite service. (RR) shall also be applied to the frequency Base Station. A land station in the band concerned. (RR) land mobile service. (RR) Allotment (of a radio frequency or radio Broadcasting-Satellite Service. A radiofrequency channel). Entry of a des- communication service in which sig- ignated frequency channel in an agreed nals transmitted or retransmitted by plan, adopted by a competent conference, for use by one or more admin- space stations are intended for direct istrations for a terrestrial or space reception by the general public. radiocommunication service in one or NOTE: In the broadcasting-satellite service, more identified countries or geo- the term direct reception shall encompass graphical area and under specified con- both individual reception and community re- ditions. (RR) ception. (RR) Altitude of the Apogee or Perigee. The Broadcasting Service. A radio- altitude of the apogee or perigee above communication service in which the a specified reference surface serving to transmissions are intended for direct represent the surface of the Earth. (RR) reception by the general public. This Amateur-Satellite Service. A radio- service may include sound trans- communication service using space missions, television transmissions or stations on earth satellites for the other types of transmission. (CONV) same purposes as those of the amateur Broadcasting Station. A station in the service. (RR) broadcasting service. (RR) Amateur Service. A radio- Carrier Power (of a radio transmitter). communication service for the purpose The average power supplied to the an- of self-training, intercommunication tenna transmission line by a trans- and technical investigations carried mitter during one radio frequency out by amateurs, that is, by duly au- cycle taken under the condition of no thorized persons interested in radio modulation. (RR) technique solely with a personal aim Characteristic Frequency. A frequency and without pecuniary interest. (RR) which can be easily identified and Amateur Station. A station in the measured in a given emission. amateur service. (RR) Assigned Frequency. The centre of the NOTE: A carrier frequency may, for exam- frequency band assigned to a station. ple, be designated as the characteristic frequency. (RR) (RR) Assigned Frequency Band. The fre- Class of Emission. The set of charac- quency band within which the emission teristics of an emission, designated by

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standard symbols, e.g., type of modula- dominates the ‘‘modulating function’’ tion, modulating signal, type of infor- and is the direct cause of the wide mation to be transmitted, and also if spreading of the transmitted signal. appropriate, any additional signal Duplex Operation. Operating method characteristics. (RR) in which transmission is possible si- Coast Earth Station. An earth station multaneously in both directions of a in the fixed-satellite service or, in telecommunication channel. 3 (RR) some cases, in the maritime mobile- Earth Exploration-Satellite Service. A satellite service, located at a specified radiocommunication service between fixed point on land to provide a feeder earth stations and one or more space link for the maritime mobile-satellite stations, which may include links be- service. (RR) tween space stations in which: Coast Station. A land station in the (1) Information relating to the char- maritime mobile service. (RR) acteristics of the Earth and its natural Community Reception (in the broad- phenomena is obtained from active casting-satellite service). The reception sensors or passive sensors on earth sat- of emissions from a space station in ellites; the broadcasting-satellite service by (2) Similar information is collected receiving equipment, which in some from air-borne or earth-based plat- cases may be complex and have anten- forms; nae larger than those for individual re- (3) Such information may be distrib- ception, and intended for use: (1) by a uted to earth stations within the sys- group of the general public at one loca- tem concerned; tion; or (2) through a distribution sys- (4) Platform interrogation may be in- tem covering a limited area. (RR) cluded. Coordinated Universal Time (UTC). Time scale, based on the second (SI), as NOTE: This service may also include feeder defined and recommended by the links necesary for its operation. (RR) CCIR, 2 and maintained by the Bureau Earth Station. A station located ei- International de l’Heure (BIH). ther on the earth’s surface or within NOTE: For most practical purposes associ- the major portion of earth’s atmos- ated with the Radio Regulations, UTC is phere and intended for communication: equivalent to mean solar time at the prime (1) With one or more space stations; meridian (0 degrees longitude), formerly ex- or pressed in GMT. (RR) (2) With one or more stations of the Coordination Area. The area associ- same kind by means of one or more re- ated with an earth station outside of flecting satellites or other objects in which a terrestrial station sharing the space. (RR) same frequency band neither causes Effective Radiated Power (e.r.p) (in a nor is subject to interfering emissions given direction). The product of the greater than a permissible level. (RR) power supplied to the antenna and its Coordination Contour. The line enclos- gain relative to a half-wave dipole in a ing the coordination area. (RR) given direction. (RR) Coordination Distance. Distance on a Emergency Position-Indicating Radio- given azimuth from an earth station beacon Station. A station in the mobile beyond which a terrestrial causes nor service the emissions of which are in- is subject to interfering emissions tended to facilitate search and rescue greater than a permissible level. (RR) operations. (RR) Deep Space. Space at distance from Emission. Radiation produced, or the the Earth equal to, or greater than, production of radiation, by a radio 2×106 kilometers. (RR) transmitting station. Direct Sequence Systems. A spread NOTE: For example, the energy radiated by spectrum system in which the carrier the local oscillator of a radio receiver would has been modulated by a high speed not be an emission but a radiation. (RR) spreading code and an information data stream. The high speed code sequence 3 In general, duplex operation and semi-duplex operation require two frequencies in 2 The full definition is contained in CCIR radiocommunication; simplex operation may Recommendation 460–2. use either one or two.

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Equivalent Isotropically Radiated Fixed Service. A radiocommunication Power (e.i.r.p.). The product of the service between specified fixed points. power suppled to the antenna and the (RR) antenna gain in a given direction rel- Fixed Station. A station in the fixed ative to an isotropic antenna. (RR) service. (RR) Equivalent Monopole Radiated Power Frequency Hopping Systems. A spread (e.m.r.p.) (in a given direction). The prod- spectrum system in which the carrier uct of the power supplied to the an- is modulated with the coded informa- tenna and its gain relative to a short tion in a conventional manner causing vertical antenna in a given direction. a conventional spreading of the RF en- (RR) Equivalent Satellite Link Noise Tem- ergy about the frequency carrier. The perature. The noise temperature re- frequency of the carrier is not fixed but ferred to the output of the receiving changes at fixed intervals under the di- antenna of the earth station correction of a coded sequence. The wide responding to the radio-frequency noise RF bandwidth needed by such a system power which produces the total ob- is not required by spreading of the RF served noise at the output of the sat- energy about the carrier but rather to ellite link excluding the noise due to accommodate the range of frequencies interference coming from satellite to which the carrier frequency can hop. links using other satellites and from The test of a frequency hopping system terrestrial systems. (RR) is that the near term distribution of Experimental Station. A station uti- hops appears random, the long term lizing radio waves in experiments with distribution appears evenly distributed a view to the development of science or over the hop set, and sequential hops technique. are randomly distributed in both direc- NOTE: This definition does not include tion and magnitude of change in the amateur stations. (RR) hop set. Facsimile. A form of telegraphy for Frequency-Shift Telegraphy. Teleg- the transmission of fixed images, with raphy by frequency modulation in or without half-tones, with a view to which the telegraph signal shifts the their reproduction in a permanent frequency of the carrier between pre- form. determined values. (RR) Frequency Tolerance. The maximum NOTE: In this definition the term telegraphy has the same general meaning as defined in permissible departure by the centre the Convention. (RR) frequency of the frequency band occupied by an emission from the assigned Feeder Link. A radio link from an frequency or, by the characteristic fre- earth station at a given location to a quency of an emission from the ref- space station, or vice versa, conveying erence frequency. information for a space radiocommunication service other than for NOTE: The frequency tolerance is expressed the fixed-satellite service. The given in parts in 106 or in hertz. (RR) location may be at a specified fixed Full Carrier Single-Sideband Emission. point, or at any fixed point within A single-sideband emission without specified areas. (RR) suppression of the carrier. (RR) Fixed-Satellite Service. A radiocommunication service between earth Gain of an Antenna. The ratio, usu- stations at given positions, when one ally expressed in decibels, of the power or more satellites are used; the given required at the input of a loss free ref- position may be a specified fixed point erence antenna to the power supplied or any fixed point within specified to the input of the given antenna to areas; in some cases this service in- produce, in a given direction, the same cludes satellite-to-satellite links, field strength or the same power flux- which may also be operated in the density at the same distance. When not inter-satellite service; the fixed-sat- specified otherwise, the gain refers to ellite service may also include feeder the direction of maximum radiation. links for other space radio- The gain may be considered for a speci- communication services. (RR) fied polarization.

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NOTE: Depending on the choice of the ref- of emissions from a space station in erence antenna a distinction is made be- the broadcasting-satellite service by tween: simple domestic installations and in (1) Absolute or isotropic gain (Gi), when the reference antenna is an isotropic an- particular those possessing small antenna isolated in space; tennae. (RR) (2) Gain relative to a half-wave dipole (Gd), Industrial, Scientific and Medical (ISM) when the reference antenna is a half-wave (of radio frequency energy) Applications. dipole isolated in space whose equatorial Operation of equipment or appliances plane contains the given direction; (3) Gain relative to a short vertical an- designed to generate and use locally tenna (Gv), when the reference antenna is a radio-frequency energy for industrial, linear conductor, much shorter than one scientific, medical, domestic or similar quarter of the wavelength, normal to the purposes, excluding applications in the surface of a perfectly conducting plane field of telecommunications. (RR) which contains the given direction. (RR) Instrument Landing System (ILS). A General Purpose Mobile Service. A mo- radionavigation system which provides bile service that includes all mobile aircraft with horizontal and vertical communications uses including those guidance just before and during landing within the Aeronautical Mobile, Land and, at certain fixed points, indicates Mobile, or the Maritime Mobile Serv- the distance to the reference point of ices. landing. (RR) Geostationary Satellite. A geosynchronous satellite whose circular and direct Instrument Landing System Glide Path. orbit lies in the plane of the Earth’s A system of vertical guidance em- equator and which thus remains fixed bodied in the instrument landing sys- relative to the Earth; by extension, a tem which indicates the vertical devi- satellite which remains approximately ation of the aircraft from its optimum fixed relative to the Earth. (RR) path of descent. (RR) Geostationary Satellite Orbit. The orbit Instrument Landing System Localizer. in which a satellite must be placed to A system of horizontal guidance em- be a geostationary satellite. (RR) bodied in the instrument landing sys- Geosynchronous Satellite. An Earth tem which indicates the horizontal de- satellite whose period of revolution is viation of the aircraft from its opti- equal to the period of rotation of the mum path of descent along the axis of Earth about its axis. (RR) the runway. (RR) Harmful Interference 4. Interference Interference. The effect of unwanted which endangers the functioning of a energy due to one or a combination of radionavigation service or of other emissions, radiations, or inductions safety services or seriously degrades, upon reception in a radio- obstructs, or repeatedly interrupts a communication system, manifested by radiocommunication service operating any performance degradation, mis- in accordance with these interpretation, or loss of information [international] Radio Regulations. which could be extracted in the ab- (RR) sence of such unwanted energy. (RR) Hybrid Spread Spectrum Systems. Hy- brid spread spectrum systems are those Inter-Satellite Service. A which use combinations of two or more radiocommunication service providing types of direct sequence, frequency links between artificial satellites. (RR) hopping, time hopping and pulsed FM Ionospheric Scatter. The propagation modulation in order to achieve their of radio waves by scattering as a result wide occupied bandwidths. of irregularities or discontinuities in Inclination of an Orbit (of an earth sat- the ionization of the ionosphere. (RR) ellite). The angle determined by the Land Earth Station. An earth station plane containing the orbit and the in the fixed-satellite service or, in plane of the Earth’s equator. (RR) some cases, in the mobile-satellite Individual Reception (in the broad- service, located at a specified fixed casting-satellite service). The reception point or within a specified area on land to provide a feeder link for the mobile- 4 See Resolution 68 of the Radio Regulations. satellite service. (RR)

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Land Mobile Earth Station. A mobile of Liverpool, N.S., at which point it earth station in the land mobile-sat- terminates. (FCC) ellite service capable of surface move- Line C. Begins at the intersection of ment within the geographical limits of 70° N., 144° W., thence by great circle a country or continent. (RR) arc to the intersection of 60° N., 143° Land Mobile-Satellite Service. A mo- W., thence by great circle arc so as to bile-satellite service in which mobile include all of the Alaskan Panhandle. earth stations are located on land. (FCC) (RR) Line D. Begins at the intersection of Land Mobile Service. A mobile service 70° N., 138° W., thence by great circle between base stations and land mobile arc to the intersection of 61°20′ N., 139° stations, or between land mobile sta- W. (Burwash Landing), thence by great tions. (RR) circle arc to the intersection of 60°45′ Land Mobile Station. A mobile station N., 135° W., thence by great circle arc in the land mobile service capable of ° ° surface movement within the geo- to the intersection of 56 N., 128 W., ° graphical limits of a country or con- thence south along 128 meridian to ° tinent. Lat. 55 N., thence by great circle arc ° ° Land Station. A station in the mobile to the intersection of 54 N., 130 W., service not intended to be used while in thence by great circle arc to Port motion. (RR) Clements, thence to the Pacific Ocean Left-Hand (or Anti-Clockwise) Polarized where it ends. (FCC) Wave. An elliptically or circularly-po- Maritime Mobile-Satellite Service. A larized wave, in fixed plane, normal to mobile-satellite service in which mo- the direction of propagation, whilst bile earth stations are located on board looking in the direction of propagation, ships; survival craft stations and emer- rotates with time in a left hand or gency position-indicating radiobeacon anti-clockwise direction. (RR) stations may also participate in this Line A. Begins at Aberdeen, Wash- service. (RR) ington running by great circle arc to Maritime Mobile Service. A mobile the intersection of 48° N., 120° W., service between coast stations and ship thence along parallel 48° N., to the stations, or between ship stations, or intersection of 95° W., thence by great between associated on-board commu- circle arc through the southernmost nication stations; survival craft sta- point of Duluth, Minn., thence by great tions and emergency position-indi- circle arc to 45° N., 85° W., thence cating radiobeacon stations may also southward along meridian 85° W., to its participate in this service. (RR) ° intersection with parallel 41 N., thence Maritime Radionavigation-Satellite ° along parallel 41 N., to its intersection Service. A radionavigation-satellite ° with meridian 82 W., thence by great service in which earth stations are lo- circle arc through the southernmost cated on board ships. (RR) point of Bangor, Maine, thence by Maritime Radionavigation Service. A great circle arc through the southern- radionavigation service intended for most point of Searsport, Maine, at which point it terminates. (FCC) the benefit and for the safe operation Line B. Begins at Tofino, B.C., run- of ships. (RR) ning by great circle arc to the intersec- Marker Beacon. A transmitter in the tion of 50° N., 125° W., thence along par- aeronautical radionavigation service allel 50° N., to the intersection of 90° which radiates vertically a distinctive W., thence by great circle arc to the pattern for providing position informa- intersection of 45° N., 79°30′ W., thence tion to aircraft. (RR) by great circle arc through the north- Mean Power (of a radio transmitter). ernmost point of Drummondville, Que- The average power supplied to the an- bec (Lat. 45°52′ N., Long 72°30′ W.), tenna transmission line by a trans- thence by great circle arc to 48°30′ N., mitter during an interval of time suffi- 70° W., thence by great circle arc ciently long compared with the lowest through the northernmost point of frequency encountered in the modula- Compbellton, N.B., thence by great cir- tion taken under normal operating cle are through the northernmost point conditions. (RR)

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Meteorological Aids Service. A radio- NOTE: Unless otherwise specified by the communication service used for mete- CCIR for the appropriate class of emission, orological, including hydrological, ob- the value of Beta/2 should be taken as 0.5%. servation and exploration. (RR) (RR) Meteorological-Satellite Service. An On-Board Communication Station. A earth exploration-satellite service for low-powered mobile station in the mar- meteorological purposes. (RR) itime mobile service intended for use Mobile Earth Station. An earth station for internal communications on board in the mobile-satellite service intended a ship, or between a ship and its life- to be used while in motion or during boats and life-rafts during lifeboat halts at unspecified points. (RR) drills or operations, or for communica- Mobile-Satellite Service. A radio- tion within a group of vessels being communication service: towed or pushed, as well as for line (1) Between mobile earth stations handling and mooring instructions. and one or more space stations, or be- (RR) tween space stations used by this serv- Orbit. The path, relative to a speci- ice; or fied frame of reference, described by (2) Between mobile earth stations by the centre of mass of a satellite or means of one or more space stations. other object in space subjected primarily to natural forces, mainly the NOTE: This service may also include feeder links necessary for its operation. (RR) force of gravity. (RR) Out-of-band Emission. Emission on a Mobile Service. A radiocommunication frequency or frequencies immediately service between mobile and land sta- outside the necessary bandwidth which tions, or between mobile stations. results from the modulation process, (CONV) but excluding spurious emissions. (RR) Mobile Station. A station in the mo- Passive Sensor. A measuring instru- bile service intended to be used while ment in the earth exploration-satellite in motion or during halts at unspec- service or in the space research service ified points. (RR) by means of which information is ob- Multi-Satellite Link. A radio link be- tained by reception of radio waves of tween a transmitting earth station and natural origin. (RR) a receiving earth station through two Peak Envelope Power (of a radio trans- or more satellites, without any inter- mitter). The average power supplied to mediate earth station. the antenna transmission line by a

NOTE: A multisatellite link comprises one transmitter during one radio frequency up-link, one or more satellite-to-satellite cycle at the crest of the modulation en- links and one down-link. (RR) velope taken under normal operating conditions. (RR) Necessary Bandwidth. For a given Period (of a satellite). The time elaps- class of emission, the width of the fre- ing between two consecutive passages quency band which is just sufficient to of a satellite through a characteristic ensure the transmission of information point on its orbit. (RR) at the rate and with the quality re- Permissible Interference. Observed or quired under specified conditions. (RR) predicted interference which complies Non-Voice, Non-Geostationary Mobile- with quantitative interference and Satellite Service. A mobile-satellite serv- sharing criteria contained in these ice reserved for use by non-geo- [international Radio] Regulations or in stationary satellites in the provision of CCIR Recommendations or in special non-voice communications which may agreements as provided for in these include satellite links between land Regulations. (RR) earth stations at fixed locations. Port Operations Service. A maritime Occupied Bandwidth. The width of a mobile service in or near a port, be- frequency band such that, below the tween coast stations and ship stations, lower and above the upper frequency or between ship stations, in which mes- limits, the mean powers emitted are sages are restricted to those relating to each equal to a specified percentage the operational handling, the move- Beta/2 of the total mean power of a ment and the safty of ships and, in given emission. emergency, to the safety of persons.

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NOTE: Messages which are of a public cor- retrainsmitted, from the position to be respondence nature shall be excluded from determined. (RR) this service. (RR) Radar Beacon (RACON). A trans- Port Station. A coast station in the mitter-receiver associated with a fixed port operations service. (RR) navigational mark which, when trig- Power. Whenever the power of a radio gered by a radar, automatically re- transmitter, etc. is referred to it shall turns a distinctive signal which can ap- be expressed in one of the following pear on the display of the triggering forms, according to the class of emis- radar, providing range, bearing and sion, using the arbitrary symbols indi- identification information. (RR) cated: Radiation. The outward flow of en- (1) Peak envelope power (PX or pX); ergy from any source in the form of (2) Mean power (PY or pY); radio waves. (RR) (3) Carrier power (PZ or pZ). Radio. A general term applied to the use of radio waves. (CONV) NOTE 1: For different classes of emission, the relationships between peak envelope Radio Altimeter. Radionavigation power, mean power and carrier power, under equipment, on board an aircraft or the conditions of normal operation and of no spacecraft or the spacecraft above the modulation, are contained in CCIR Rec- Earth’s surface or another surface. ommendations which may be used as a guide. (RR) NOTE 2: For use in formulae, the symbol Radio Astronomy. Astronomy based on ‘‘p’’ denotes power expressed in watts and the reception of radio waves of cosmic the symbol ‘‘P’’ denotes power expressed in decibels relative to a reference level. (RR) origin. (RR) Radio Astronomy Service. A service in- Primary Radar. A radiodetermination volving the use of radio astronomy. system based on the comparison of ref- (RR) erence signals with radio signals re- Radio Astronomy Station. A station in flected from the position to be deter- the radio astronomy service. (RR) mined. (RR) Radiobeacon Station. A station in the Protection Ratio. The minimum value radionavigation service the emissions of the wanted-to-unwanted signal of which are intended to enable a mo- ratio, usually expressed in decibels, at bile station to determine its bearing or the receiver input determined under direction in relation to radiobeacon specified conditions such that a speci- station. (RR) fied reception quality of the wanted Radiocommunication. Telecommuni- signal is achieved at the receiver out- cation by means of radio waves. put. (RR) (CONV) Public Correspondence. Any tele- Radiocommunication Service. A service communication which the offices and as defined in this Section involving the stations must, by reason of their being transmission, emission and/or recep- at the disposal of the public, accept for tion of radio waves for specific tele- transmission. (CONV) communication purposes. Pulsed FM Systems. A pulsed FM system is a spread spectrum system in NOTE: In these [international] Radio Regu- which a RF carrier is modulated with a lations, unless otherwise stated, any radio- fixed period and fixed duty cycle se- communication service relates to terrestrial radiocommunication. (RR) quence. At the beginning of each transmitted pulse, the carrier frequency is Radiodetermination. The determina- frequency modulated causing an addition of the position, velocity and/or tional spreading of the carrier. The other characteristics of an object, or pattern of the frequency modulation the obtaining of information relating will depend upon the spreading func- to these parameters, by means of the tion which is chosen. In some systems propagation properties of radio waves. the spreading function is a linear FM (RR) chirp sweep, sweeping either up or Radiodetermination-Satellite Service. A down in frequency. radiocommunication service for the Radar. A radiodetermination system purpose of radiodetermination involv- based on the comparison of reference ing the use or one of more space sta- signals with radio signals reflected, or tions. This service may also include

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feeder links necessary for its own oper- the radiocommunication channels of ation. (RR) the mobile service or of the mobile-sat- Radiodetermination Service. A radio- ellite service. (RR) communication service for the purpose Radiotelemetry. Telemetry by means of radiodetermination. (RR) of radio waves. (RR) Radiodetermination Station. A station Radiotelephone Call. A telephone call, in the radiodetermination serviice. originating in or intended for a mobile (RR) station or a mobile earth station, Radio Direction-Finding. Radio- transmitted on all or part of its route determination using the reception of over the radiocommunication channels radio waves for the purpose of deter- of the mobile service or of the mobile- mining the direction of a station or ob- satellite service. (RR) ject. (RR) Radiotelex Call. A telex call, origi- Radio Direction-Finding Station. A nating in or intended for a mobile sta- radiodetermination station using radio tion or a mobile earth station, trans- direction-finding. (RR) mitted on all or part of its route over Radiolocation. Radiodetermination the radiocommunication channels of used for purposes other than those of the mobile service or the mobile-sat- radionavigation. (RR) ellite service. (RR) Radiolocation Land Station. A station Radio Waves or Hertzian Waves. Elec- in the radiolocation service not in- tromagnetic waves of frequencies arbi- tended to be used while in motion. (RR) trarily lower than 3,000 GHz, propa- Radiolocation Mobil Station. A station gated in space without aritificial in the radiolocation service intended to guide. (RR) be used while in motion or during halts Reduced Carrier Single-Sideband Emis- at unspecified points. (RR) sion. A single-sideband emission in Radiolocation Service. A radio- which the degree of carrier suppession determination service for the purpose enables the carrier to be reconstrituted of radiolocation. (RR) and to be used for demodulation. (RR) Radionavigation. Radiodetermination Reference Frequency. A frequency hav- used for the purposes of navigation, in- ing a fixed and specified position with cluding obstruction warning. respect to the assigned frequency. The Radionavigation Land Station. A sta- displacement of this frequency with re- tion in the radionavigation service not spect to the assigned frequency has the intended to be used while in motion. same absolute value and sign that the (RR) displacement of the characteristic fre- Radionavigation Mobile Station. A sta- quency has with respect to the centre tion in the radionavigation service in- of the frequency band occupied by the tended to be used while in motion or emission. (RR) during halts at unspecified points. (RR) Reflecting Satellite. A satellite in- Radionavigation-Satellite Service. A tended to reflect radiocommunication radiodetermination-satellite service signals. (RR) used for the purpose of radio- Right-Hand (or Clockwise) Polarized navigation. This service may also in- Wave. An Elliptically or circularly-po- clude feeder links necessary for its op- larized wave, in which the electric field eration. (RR) vector, observed in any fixed plane, Radionavigation Service. A radiod- normal to the direction of propagation, etermination service for the purpose of whilst looking in the direction of prop- radionavigation. (RR) agation, rotates with time in a right- Radiosonde. An automatic radio hand or clockwise direction. (RR) transmitter in the meteorological aids Safety Service. Any radio- service usually carried on an aircraft, communication service used perma- free ballon, kite or parachute, and nently or temporarily for the safe- which transmits meteorological data. guarding of human life and property. (RR) (CONV) Radiotelegram. A telegram, origi- Satellite. A body which revolves nating in or intended for a mobile sta- around another body of preponderant tion or a mobile earth station trans- mass and which has a motion primarily mitted on all or part of its route over and permanently determined by the

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force of attraction of that other body. modulation type or maximum output (RR) power (either radiated or conducted) Satellite Link. A radio link between a can be altered by making a change in transmitting earth station and a re- software without making any changes ceiving earth station through one sat- to hardware components that affect ellite. A satellite link comprises one the radio frequency emissions. up-link and one down-link. (RR) Spacecraft. A man-made vehicle Satellite Network. A satellite system which is intended to go beyond the or a part of a satellite system, con- major portion of the Earth’s atmos- sisting of only one satellite and the co- phere. (RR) operating earth stations. (RR) Space Operation Service. A radio- Satellite System. A space system using communication service concerned ex- one or more artificial earth satellites. clusively with the operation of space- (RR) craft, in particular space tracking, Secondary Radar. A radiodetermin- space telemetry, and space tele- ation system based on the comparison command. of reference signals with radio signals retransmitted from the position to be NOTE: These functions will normally be provided within the service in which the determined. (RR) space station is operating. (RR) Semi-Duplex Operation. A method which is simplex operation at one end Space Radiocommunication. Any radio- of the circuit and duplex operation at communication involving the use of the other.3 (RR) one or more space stations or the use Ship Earth Station. A mobile earth of one or more reflecting satellites or station in the maritime mobile-sat- other objects in space. (RR) ellite service located on board ship. Space Research Service. A radio- (RR) communication service in which space- Ship Movement Service. A safety serv- craft or other objects in space are used ice in the maritime mobile service for scientific or technological research other than a port operations service, purposes. (RR) between coast stations and ship sta- Space Station. A station located on an tions, or between ship stations, in object which is beyond, is intended to which messages are restricted to those go beyond, or has been beyond, the relating to the movement of ships. major portion of the Earth’s atmos- Messages which are of a public cor- phere. (RR) respondence nature shall be excluded Space System. Any group of cooper- from this service. (RR) ating Earth stations and/or space sta- Ship’s Emergency Transmitter. A ship’s tions employing space radio- transmitter to be used exclusively on a communication for specific purposes. distress frequency for distress, urgency (RR) or safety purposes. (RR) Space Telecommand. The use of radio- Ship Station. A mobile station in the communication for the transmission of maritime mobile service located on signals to a space station to initiate, board a vessel which is not perma- modify or terminate functions of nently moored, other than a survival equipment on a space object, incuding craft station. (RR) the space station. (RR) Simplex Operation. Operating method Space Telemetry. The use of telemetry in which transmission is made possible for transmission for a space station of alternatively in each direction of a results of measurements made in a telecommunication channel, for exam- spacecraft, including those relating to ple, by means of manual control. 5 (RR) the functioning of the spacecraft. (RR) Single-Sideband Emission. An ampli- Space Tracking. Determination of the tude modulated emission with one side- orbit, velocity or instanteneous posi- band only. (RR) tion of an object in space by means of Software defined radio. A radio that radiodetermination, excluding primary includes a transmitter in which the op- radar, for the purpose of following the erating parameters of frequency range, movement of the object. (RR) Special Service. A radio- 5 (See footnote under Duplex Operations.) communication service, not otherwise

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defined in this Section, carried on ex- Suppressed Carrier Single-Sideband clusively for specific needs of general Emission. A single-sideband emission in utility, and not open to public cor- which the carrier is virtually sup- respondence. (RR) pressed and not intended to be used for Spread Spectrum Systems. A spread demodulation. (RR) spectrum system is an information Survival Craft Station. A mobile sta- bearing communications system in tion in the maritime mobile service or which: (1) Information is conveyed by the aeronautical mobile service in- modulation of a carrier by some con- tended solely for survival purposes and ventional means, (2) the bandwidth is located on any lifeboat, life-raft or deliberately widened by means of a other survival equipment. (RR) spreading function over that which Telecommand. The use of tele- would be needed to transmit the infor- communication for the transmission of mation alone. (In some spread spec- signals to initiate, modify or terminate trum systems, a portion of the infor- functions of equipment at a distance. mation being conveyed by the system (RR) Telecommunication. Any transmission, may be contained in the spreading emission or reception of signs, signals, function.) writing, images and sounds or intel- Spurious Emission. Emission on a fre- ligence of any nature by wire, radio, quency or frequencies which are out- optical or other electromagnetic sys- side the necessary bandwidth and the tems. (CONV) level of which may be reduced without Telegram. Written matter intended to affecting the corresponding trans- be transmitted by telegraphy for deliv- mission of information. Spurious emis- ery to the addressee. This term also in- sions include harmonic emissions, cludes radiotelegrams unless otherwise parasitic emissions, intermodulation specified. products and frequency conversion products, but exclude out-of-band emis- NOTE: In this definition the term telegraphy has the same general meaning as defined in sions. (RR) the Convention. (CONV) Standard Frequency and Time Signal- Satellite Service. A radiocommunication Telegraphy. A form of telecommuni- service using space stations on earth cation which is concerned in any proc- satellites for the same purposes as ess providing transmission and repro- those of the standard frequency and duction at a distance of documentary time signal service. matter, such as written or printed matter or fixed images, or the reproduction NOTE: This service may also include feeder at a distance of any kind of informa- links necessary for its operation. (RR) tion in such a form. For the purposes of Standard Frequency and Time Signal the [international] Radio Regulations, Service. A radiocommunication service unless otherwise specified therein, te- for scientific, technical and other pur- legraphy shall mean a form of tele- poses, providing the transmission of communication for the transmission of specified frequencies, time signals, or written matter by the use of a signal 6 both, of stated high precision, intended code. (RR) for general reception. (RR) Telemetry. The use of telecommunication for automatical indicating or Standard Frequency and Time Signal recording measurements at a distance Station. A station in the standard fre- from the measuring instrument. (RR) quency and time signal service. (RR) Telephony. A form of telecommuni- Station. One or more transmitters or cation set up for the transmission of receivers or a combination of transmit- speech or, in some cases, other ters and receivers, including the acces- sounds. 7 (RR) sory equipment, necessary at one loca- Television. A form of telecommuni- tion for carrying on a radio- cation for the transmission of tran- communication service, or the radio sient images of fixed or moving ob- astronomy service. jects. (RR) NOTE: Each station shall be classified by the service in which it operates permanently 6 (See footnote under Harmful Interference) or temporarily. (RR) 7 (See footnote under Harmful Interference)

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Terrestrial Radiocommunication. Any § 2.101 Nomenclature of frequencies. radiocommunication other than space radiocommunication or radio astron- Band No. Frequency subdivision Frequency range omy. (RR) 4 ...... VLF (very low fre- Below 30 kHz. Terrestrial Station. A station effecting quency). terrestrial radiocommunication. 5 ...... LF (low frequency) ...... 30 to 300 kHz. 6 ...... MF (medium frequency) 300 to 3000 kHz. 7 ...... HF (high frequency) ..... 3 to 30 MHz. NOTE: In these [international Radio] Regu- 8 ...... VHF (very high fre- 30 to 300 MHz. lations, unless otherwise stated, any station quency). is a terrestrial station. (RR) 9 ...... UHF (ultra high fre- 300 to 3000 MHz. quency). Time Hopping Systems. A time hopping 10 ...... SHF (super high fre- 3 to 30 GHz. system is a spread spectrum system in quency). which the period and duty cycle of a 11 ...... EHF (extremely high 30 to 300 GHz frequency). pulsed RF carrier are varied in a 12 ...... 300 to 3000 GHz. pseudorandom manner under the control of a coded sequence. Time hopping is often used effectively with frequency § 2.102 Assignment of frequencies. hopping to form a hybrid time-division, (a) Except as otherwise provided in multiple-access (TDMA) spread spec- this section, the assignment of fre- trum system. quencies and bands of frequencies to all Transponder. A transmitter-receiver stations and classes of stations and the facility the function of which is to licensing and authorizing of the use of transmit signals automatically when all such frequencies between 9 kHz and the proper interrogation is received. 400 GHz, and the actual use of such fre- (FCC) quencies for radiocommunication or Tropospheric Scatter. The propagation for any other purpose, including the of radio waves by scattering as a result transfer of energy by radio, shall be in of irregularities or discontinuities in accordance with the Table of Fre- the physical properties of the tropo- quency Allocations in § 2.106. sphere. (RR) (b) On the condition that harmful interference will not be caused to serv- Unwanted Emissions. Consist of spu- ices operating in accordance with the rious emissions and out-of-band emis- Table of Frequency Allocations the fol- sions. (RR) lowing exceptions to paragraph (a) of [49 FR 2368, Jan. 19, 1984, as amended at 50 this section may be authorized: FR 25239, June 18, 1985; 51 FR 37399, Oct. 22, (1) In individual cases the Commis- 1986; 52 FR 7417, Mar. 11, 1987; 54 FR 49980, sion may, without rule making pro- Dec. 4, 1990; 55 FR 28761, July 13, 1990; 56 FR ceedings, authorize on a temporary 42703, Aug. 29, 1991; 58 FR 68058, Dec. 23, 1993; basis only, the use of frequencies not in 62 FR 26242, May 13, 1997; 65 FR 60109, Oct. 10, accordance with the Table of Fre- 2000; 66 FR 50840, Oct. 5, 2001] quency Allocations for projects of short duration or emergencies where Subpart B—Allocation, Assign- the Commission finds that important ment, and Use of Radio Fre- or exceptional circumstances require quencies such utilization. Such authorizations are not intended to develop a service to be operated on frequencies other than SOURCE: 49 FR 2373, Jan. 19, 1984, unless otherwise noted. those allocated such service. (2) A station for the development of § 2.100 International regulations in techniques or equipment to be em- force. ployed by services set forth in column The International 5 of the Table of Frequency Allocations may be authorized the use of fre- Radiocommunication Union Radio Reg- quencies allocated to those services or ulations, Edition of 2001, became effec- classes of stations. tive internationally on January 1, 2002, (3) Experimental stations pursuant to except as provided in the references in part 5, may be authorized the use of Article 59. any frequency or frequency band not [67 FR 59601, Sept. 23, 2002] exclusively allocated to the passive

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services (including the Radio Astron- area in which interference is likely to omy Service). be caused. In particular, aircraft sta- (4) In the event a band is reallocated tions operating in Region 1 should not so as to delete its availability for use use frequencies in the bands above 30 by a particular service, the Commis- MHz allocated to the maritime mobile sion may provide for the further in- service by virtue of any agreement be- terim use of the band by stations in tween administrations in that Region. that service for a temporary, specific (e) Non-Government services oper- period of time. ating on frequencies in the band 25–50 (c) Non-Government stations may be MHz must recognize that it is shared authorized to use Government fre- with various services of other coun- quencies in the bands above 25 MHz if tries; that harmful interference may be the Commission finds, after consulta- caused by skywave signals received tions with the appropriate Government from distant stations of all services of agency or agencies, that such use is the United States and other countries necessary for coordination of Govern- radiating power on frequencies in this ment and non-Government activities: band; and that no protection from such Provided, however, that: harmful interference generally can be (1) Non-Government operation on expected. Persons desiring to avoid Government frequencies shall conform such harmful interference should con- with the conditions agreed upon by the sider operation on available fre- Commission and the National Tele- quencies higher in the radio spectrum communications and Information Ad- not generally subject to this type of ministration (NTIA) (the more impor- difficulty. tant of which are contained in para- (f) The stations of a service shall use graphs (c) (2), (3), and (4) of this sec- frequencies so separated from the lim- tion); its of a band allocated to that service (2) Such operations shall be in ac- as not to cause harmful interference to cordance with NTIA rules governing allocated services in immediately ad- the service to which the frequencies in- joining frequency bands. volved are allocated; (g) In the bands above 25 MHz which (3) Such operations shall not cause are allocated to the non-Government harmful interference to Government land mobile service, fixed stations may stations and, should harmful inter- be authorized on the following condi- ference result, that the interfering tions: non-Government operation shall immediately terminate; and (1) That such stations are authorized (4) Non-Government operation has in the service shown in Column 5 of the been certified as necessary by the Gov- Table of Frequency Allocations in the ernment agency involved and this cer- band in question; tification has been furnished, in writ- (2) That harmful interference will not ing, to the non-Government licensee be caused to services operating in ac- with which communication is required. cordance with the Table of Frequency (d) Aircraft stations may commu- Allocations. nicate with stations of the maritime (h) Special provisions regarding the mobile service. They shall then con- use of spectrum allocated to the fixed form to those provisions of the inter- and land mobile services below 25 MHz national Radio Regulations which relate by non-Government stations. to the maritime mobile service. For (1) Only in the following cir- this purpose aircraft stations should cumstances will authority be extended use the frequencies allocated to the to stations in the fixed service to oper- maritime mobile service. However, ate on frequencies below 25 MHz. having regard to interference which (i) With respect to aeronautical fixed may be caused by aircraft stations at stations, only when a showing can be high altitudes, maritime mobile fre- made that more suitable facilities are quencies in the bands above 30 MHz not available. shall not be used by aircraft stations in (ii) With respect to fixed stations, ex- any specific area without the prior cept aeronautical fixed stations, only agreement of all administrations of the to:

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(A) Provide communication circuits from a foreign source, the offending in emergency and/or disaster situa- circuit(s) must cease operation on the tions, where safety of life and property particular frequency concerned. are concerned; (iii) In order to accommodate the sit- (B) Provide standby and/or backup fa- uations described in paragraphs (h)(3) cilities to satellite and cable circuits (i) and (ii) of this section, equipments used for international public cor- shall be capable of transmitting and re- respondence; ceiving on any frequency in the bands (C) Provide standby and/or backup assigned to the particular operation communications circuits to regular do- and capable of immediate change mestic communication circuits which among the frequencies. have been disrupted by disasters and/or emergencies; § 2.103 Government use of non-Govern- (D) Provide communication circuits ment frequencies. wholly within the State of Alaska and (a) Government stations may be au- the United States insular areas in the thorized to use non-Government fre- Pacific; and quencies in the bands above 25 MHz (E) Provide communication circuits (except the 764–776 MHz and 794–806 to support operations which are highly MHz public safety bands) if the Com- important to the national interest and mission finds that such use is nec- where other means of telecommuni- essary for coordination of Government cation are unavailable. and non-Government activities: Pro- (2) Only in the following cir- vided, however, that: cumstances will authority be extended (1) Government operation on non- to stations in the land mobile service Government frequencies shall conform to operate below 25 MHz. with the conditions agreed upon by the (i) Provide communication circuits Commission and the National Tele- in emergency and/or disaster situa- communications and Information Ad- tions, where safety of life and property ministration (the more important of are concerned; which are contained in paragraphs (ii) Provide standby and/or backup (a)(2), (a)(3) and (a)(4) of this section); communications circuits to regular do- (2) Such operations shall be in ac- mestic communication circuits which cordance with Commission rules gov- have been disrupted by disasters and/or erning the service to which the fre- emergencies; quencies involved are allocated; (iii) Provide communication circuits (3) Such operations shall not cause wholly within the State of Alaska and harmful interference to non-Govern- the United States insular areas in the ment stations and, should harmful in- Pacific; and terference result, that the interfering (iv) Provide communication circuits Government operation shall imme- to support operations which are highly diately terminate; and important to the national interest and (4) Government operation has been where other means of telecommuni- certified as necessary by the non-Gov- cation are unavailable. ernment licensees involved and this (3) Except in the State of Alaska and certification has been furnished, in the United States Pacific insular areas, writing, to the Government agency the Commission does not intend to with which communication is required. seek international protection for as- (b) Government stations may be au- signments made pursuant to para- thorized to use channels in the 764–776 graphs (h) (1)(ii) and (2) of this section; MHz and 794–806 MHz public safety this results in the following con- bands with non-Government entities if straints upon the circuits/assignments. the Commission finds such use nec- (i) The Commission will not accept essary; where: responsibility for protection of the cir- (1) The stations are used for inter- cuits from harmful interference caused operability or part of a Government/ by foreign operations. non-Government shared or joint-use (ii) In the event that a complaint of system; harmful interference resulting from op- (2) The Government entity obtains eration of these circuits is received the approval of the non-Government

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(State/local government) licensee(s) or on the west by line A, except any of the applicant(s) involved; territory of Armenia, Azerbaijan, Rus- (3) Government operation is in ac- sian Federation, Georgia, Kazakstan, cordance with the Commission’s Rules Mongolia, Uzbekistan, Kyrgyzstan, governing operation of this band and Tajikistan, Turkmenistan, Turkey and conforms with any conditions agreed Ukraine and the area to the north of upon by the Commission and the Na- Russian Federation. It also includes tional Telecommunications and Infor- that part of the territory of the Islamic mation Administration; and Republic of Iran lying outside of those (4) Interoperability, shared or joint- limits. use systems are the subject of a mutual (4) The lines A, B and C are defined as agreement between the Government follows: and non-Government entities. This sec- (i) Line A. Line A extends from the tion does not preclude other arrange- North Pole along meridian 40° East of ments or agreements as permitted Greenwich to parallel 40° North; thence under part 90 of the rules. See 47 CFR by great circle arc to the intersection 90.179 and 90.421 of this chapter. of meridian 60° East and the Tropic of ° [63 FR 58650, Nov. 2, 1998] Cancer; thence along the meridian 60 East to the South Pole. § 2.104 International Table of Fre- (ii) Line B. Line B extends from the quency Allocations. North Pole along meridian 10° West of (a) The International Table of Fre- Greenwich to its intersection with par- ° quency Allocations is subdivided into allel 72 North; thence by great circle ° the Region 1 Table (column 1 of § 2.106), arc to the intersection of meridian 50 ° the Region 2 Table (column 2 of § 2.106), West and parallel 40 North; thence by and the Region 3 Table (column 3 of great circle arc to the intersection of ° ° § 2.106). The International Table is in- meridian 20 West and parallel 10 ° cluded for informational purposes only. South; thence along meridian 20 West (b) Regions. For the allocation of fre- to the South Pole. quencies the International Tele- (iii) Line C. Line C extends from the communication Union (ITU) has di- North Pole by great circle arc to the ° ′ vided the world into three Regions 1 as intersection of parallel 65 30 North shown in Figure 1 of this section and with the international boundary in described as follows: Bering Strait; thence by great circle (1) Region 1. Region 1 includes the arc to the intersection of meridian 165° area limited on the east by line A East of Greenwich and parallel 50° (lines A, B and C are defined below) and North; thence by great circle arc to the on the west by line B, excluding any of intersection of meridian 170° West and the territory of the Islamic Republic of parallel 10° North; thence along par- Iran which lies between these limits. It allel 10° North to its intersection with also includes the whole of the territory meridian 120° West; thence along me- of Armenia, Azerbaijan, Russian Fed- ridian 120° West to the South Pole. eration, Georgia, Kazakstan, Mongolia, (c) Areas. To further assist in the Uzbekistan, Kyrgyzstan, Tajikistan, international allocation of the radio Turkmenistan, Turkey and Ukraine spectrum, the ITU has established five and the area to the north of Russian special geographical areas and they are Federation which lies between lines A defined as follows: and C. (1) The term ‘‘African Broadcasting (2) Region 2. Region 2 includes the Area’’ means: area limited on the east by line B and (i) African countries, parts of coun- on the west by line C. tries, territories and groups of terri- (3) Region 3. Region 3 includes the tories situated between the parallels area limited on the east by line C and 40° South and 30° North; (ii) Islands in the Indian Ocean west ° 1 of meridian 60 East of Greenwich, situ- It should be noted that where the words ° ‘‘regions’’ or ‘‘regional’’ are without a cap- ated between the parallel 40 South and ital ‘‘R,’’ they do not relate to the three Re- the great circle arc joining the points gions here defined for purposes of frequency 45° East, 11° 30′ North and 60° East, 15° allocation. North; and

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(iii) Islands in the Atlantic Ocean (5) A sub-Region is an area consisting east of line B, situated between the of two or more countries in the same parallels 40° South and 30° North. Region. (2) The ‘‘European Broadcasting (d) Categories of services and alloca- Area’’ is bounded on the west by the tions. (1) Primary and secondary serv- western boundary of Region 1, on the ices. Where, in a box of the Inter- east by the meridian 40° East of Green- national Table in § 2.106, a band is indi- wich and on the south by the parallel cated as allocated to more than one 30° North so as to include the northern service, either on a worldwide or Re- part of Saudi Arabia and that part of gional basis, such services are listed in those countries bordering the Medi- the following order: terranean within these limits. In addi- (i) Services the names of which are tion, Iraq, Jordan and that part of the printed in ‘‘capitals’’ (example: territory of Syria, Turkey and Ukraine FIXED); these are called ‘‘primary’’ lying outside the above limits are in- services; and cluded in the European Broadcasting (ii) Services the names of which are Area. printed in ‘‘normal characters’’ (3) The ‘‘European Maritime Area’’ is (example: Mobile); these are called bounded to the north by a line extend- ‘‘secondary’’ services (see paragraph ing along parallel 72° North from its (d)(3) of this section). ° intersection with meridian 55 East of (2) Additional remarks shall be print- Greenwich to its intersection with me- ed in normal characters (example: MO- ° ° ridian 5 West, then along meridian 5 BILE except aeronautical mobile). West to its intersection with parallel (3) Stations of a secondary service: 67° North, thence along parallel 67° North to its intersection with meridian (i) Shall not cause harmful inter- 32° West; to the west by a line extend- ference to stations of primary services ing along meridian 32° West to its to which frequencies are already as- intersection with parallel 30° North; to signed or to which frequencies may be the south by a line extending along assigned at a later date; parallel 30° North to its intersection (ii) Cannot claim protection from with meridian 43° East; to the east by harmful interference from stations of a a line extending along meridian 43° primary service to which frequencies East to its intersection with parallel are already assigned or may be as- 60° North, thence along parallel 60° signed at a later date; and North to its intersection with meridian (iii) Can claim protection, however, 55° East and thence along meridian 55° from harmful interference from sta- East to its intersection with parallel tions of the same or other secondary 72° North. service(s) to which frequencies may be (4) The ‘‘Tropical Zone’’ (see Figure 1 assigned at a later date. of this section) is defined as: (4) Where a band is indicated in a (i) The whole of that area in Region footnote of the International Table as 2 between the Tropics of Cancer and allocated to a service ‘‘on a secondary Capricorn. basis’’ in an area smaller than a Re- (ii) The whole of that area in Regions gion, or in a particular country, this is 1 and 3 contained between the parallels a secondary service (see paragraph 30° North and 35° South with the addi- (d)(3) of this section). tion of: (5) Where a band is indicated in a (A) The area contained between the footnote of the International Table as meridians 40° East and 80° East of allocated to a service ‘‘on a primary Greenwich and the parallels 30° North basis’’, in an area smaller than a Re- and 40° North; and gion, or in a particular country, this is (B) That part of Libya north of par- a primary service only in that area or allel 30° North. country. (iii) In Region 2, the Tropical Zone (e) Additional allocations. (1) Where a may be extended to parallel 33° North, band is indicated in a footnote of the subject to special agreements between International Table as ‘‘also allocated’’ the countries concerned in that Re- to a service in an area smaller than a gion. Region, or in a particular country, this

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is an ‘‘additional’’ allocation, i.e. an al- not claim protection from harmful in- location which is added in this area or terference caused by other services to in this country to the service or serv- which the band is allocated under ices which are indicated in the Inter- Chapter SII of the international Radio national Table. Regulations. (2) If the footnote does not include (2) Except if otherwise specified in a any restriction on the service or serv- footnote, the term ‘‘fixed service’’, ices concerned apart from the restric- where appearing in the International tion to operate only in a particular Table, does not include systems using area or country, stations of this service ionospheric scatter propagation. or these services shall have equality of (h) Description of the International right to operate with stations of the Table of Frequency Allocations. (1) The other primary service or services indi- heading of the International Table in- cated in the International Table. cludes three columns, each of which (3) If restrictions are imposed on an corresponds to one of the Regions (see additional allocation in addition to the paragraph (b) of this section). Where an restriction to operate only in a par- allocation occupies the whole of the ticular area or country, this is indi- width of the Table or only one or two cated in the footnote of the Inter- of the three columns, this is a world- national Table. wide allocation or a Regional alloca- (f) Alternative allocations. (1) Where a tion, respectively. band is indicated in a footnote of the (2) The frequency band referred to in International Table as ‘‘allocated’’ to each allocation is indicated in the left- one or more services in an area smaller hand top corner of the part of the than a Region, or in a particular coun- Table concerned. try, this is an ‘‘alternative’’ allocation, i.e. an allocation which replaces, in (3) Within each of the categories this area or in this country, the alloca- specified in paragraph (d)(1) of this section indicated in the Table. tion, services are listed in alphabetical (2) If the footnote does not include order according to the French lan- any restriction on stations of the serv- guage. The order of listing does not in- ice or services concerned, apart from dicate relative priority within each the restriction to operate only in a par- category. ticular area or country, these stations (4) In the case where there is a par- of such a service or services shall have enthetical addition to an allocation in an equality of right to operate with the International Table, that service stations of the primary service or serv- allocation is restricted to the type of ices, indicated in the International operation so indicated. Table, to which the band is allocated in (5) The footnote references which ap- other areas or countries. pear in the International Table below (3) If restrictions are imposed on sta- the allocated service or services apply tions of a service to which an alter- to the whole of the allocation con- native allocation is made, in addition cerned. to the restriction to operate only in a (6) The footnote references which ap- particular country or area, this is indi- pear to the right of the name of a serv- cated in the footnote. ice are applicable only to that par- (g) Miscellaneous provisions. (1) Where ticular service. it is indicated that a service may oper- (7) In certain cases, the names of ate in a specific frequency band subject countries appearing in the footnotes to not causing harmful interference, have been simplified in order to short- this means also that this service can- en the text.

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FIGURE 1 TO § 2.104—MAP

[65 FR 4636, Jan. 31, 2000]

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§ 2.105 United States Table of Fre- Telecommunication Union (ITU) in the quency Allocations. international Radio Regulations. (a) The United States Table of Fre- (c) Category of services. (1) Any seg- quency Allocations (United States ment of the radio spectrum may be al- Table) is subdivided into the Federal located to the Federal government and/ Government Table of Frequency Allo- or non-Federal government sectors ei- cations (Federal Government Table, ther on an exclusive or shared basis for column 4 of § 2.106) and the Non-Federal use by one or more radio services. In Government Table of Frequency Allo- the case where an allocation has been cations (Non-Federal Government made to more than one service, such Table, column 5 of § 2.106). The United services are listed in the following States Table is based on the Region 2 order: Table because the relevant area of ju- (i) Services, the names of which are risdiction is located primarily in Re- printed in ‘‘capitals’’ [example: gion 2 1 (i.e., the 50 States, the District FIXED]; these are called ‘‘primary’’ of Columbia, the Caribbean insular services; areas 2 and some of the Pacific insular (ii) Services, the names of which are areas).3, 4 The Federal Government printed in ‘‘normal characters’’ Table is administered by the National [example: Mobile]; these are called Telecommunications and Information ‘‘secondary’’ services. Administration (NTIA) 5, whereas the (2) Stations of a secondary service: Non-Federal Government Table is ad- (i) Shall not cause harmful inter- ministered by the Federal Communica- ference to stations of primary services tions Commission (FCC).6 to which frequencies are already as- (b) In the United States, radio spec- signed or to which frequencies may be trum may be allocated to either Fed- assigned at a later date; eral government or non-Federal gov- (ii) Cannot claim protection from ernment use exclusively, or for shared harmful interference from stations of a use. In the case of shared use, the type primary service to which frequencies of service(s) permitted need not be the are already assigned or may be as- same [e.g., Federal government FIXED, signed at a later date; and non-Federal government MOBILE]. (iii) Can claim protection, however, The terms used to designate categories from harmful interference from sta- of services and allocations 7 in columns tions of the same or other secondary 4 and 5 of § 2.106 correspond to the service(s) to which frequencies may be terms employed by the International assigned at a later date. (d) Format of the United States Table 1 See § 2.104(a)(1) for definition of Region 2. and the Rule Part Cross Reference Col- 2 The Caribbean insular areas are: The umn. (1) The frequency band referred to Commonwealth of Puerto Rico; the unincor- in each allocation, column 4 for Fed- porated territory of the United States Virgin eral government and column 5 for non- Islands; and Navassa Island. 3 The Pacific insular areas located in Re- Federal government, is indicated in the gion 2 are: Johnston Atoll and Midway Atoll. left-hand top corner of the column. If 4 The operation of stations in the Pacific there is no service or footnote indi- insular areas located in Region 3 are gen- cated for a band of frequencies in ei- erally governed by the International plan for ther column 4 or 5, then the Federal Region 3 (i.e., column 3 of § 2.106). The Pacific government or the non-Federal govern- insular areas located in Region 3 are: the ment sector, respectively, has no ac- Commonwealth of the Northern Mariana Is- lands; the unincorporated territory of Amer- cess to that band except as provided for ican Samoa; the unincorporated territory of by § 2.102. Guam; and Baker Island, Howland Island, (2) When the Federal Government Jarvis Island, Kingman Reef, Palmyra Island and Non-Federal Government Tables and Wake Island. are exactly the same for a shared band, 5 Section 305(a) of the Communications Act the line between columns 4 and 5 is de- of 1934, as amended. See Pub. Law 102–538, 106 leted and the allocations are shown Stat. 3533 (1992). 6 The Communications Act of 1934, as once. amended. (3) The Federal Government Table, 7 Definitions of the various radio services given in column 4, is included for infor- used are contained in § 2.1. mational purposes only.

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(4) In the case where there is a par- its, e.g., NG2, denotes a stipulation ap- enthetical addition to an allocation in plicable only to the Non-Federal Gov- the United States Table [example: ernment Table (column 5). FIXED-SATELLITE (space-to-earth)], (iv) Any footnote consisting of the that service allocation is restricted to letter G following by one or more dig- the type of operation so indicated. its, e.g., G2, denotes a stipulation appli- (5) The following symbols are used to cable only to the Federal Government designate footnotes in the United Table (column 4). States Table: (6) If a frequency or frequency band (i) Any footnote consisting of ‘‘S5.’’ has been allocated to a followed by one or more digits, e.g., radiocommunication service in the S5.53, or any footnote not prefixed by a Non-Federal Government Table, then a letter, e.g., 459, denotes an inter- cross reference may be added for the national footnote. Where an inter- pertinent FCC Rule part (column 6 of national footnote is applicable, with- § 2.106). For example, the 849–851 MHz out modification, to the United States band is allocated to the non-Federal Table, the footnote appears in the government aeronautical mobile serv- United States Table (columns 4 and 5) ice, rules for the use of the 849–851 MHz and denotes a stipulation affecting band have been added to Part 22—Pub- both the Federal Government Table lic Mobile Services (47 CFR part 22), and the Non-Federal Government and a cross reference, Public Mobile Table. If, however, an international (22), has been added in Column 6 of the footnote pertains to a service allocated Table. The exact use that can be made only for Federal government or non- of any given frequency or frequency Federal government use, the inter- band (e.g., channelling plans, allowable national footnote will be placed only in emissions, etc.) is given in the FCC the affected Table. For example, Rule part(s) so indicated. The FCC ‘‘AMATEUR S5.142’’ shall be shown Rule parts in this column are not allo- only in the Non-Federal Government cations and are provided for informa- Table. tional purposes only. This column also (ii) Any footnote consisting of the may contain explanatory notes for in- letters US followed by one or more dig- formational purposes only. its, e.g., US7, denotes a stipulation affecting both the Federal Government [65 FR 4640, Jan. 31, 2000] Table and the Non-Federal Government § 2.106 Table of Frequency Allocations. Table. (iii) Any footnote consisting of the EDITORIAL NOTE: The text of § 2.106 begins letters NG followed by one or more dig- on the following page.

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INTERNATIONAL FOOTNOTES has substantively revised the text of certain of these international footnotes. These inter- NOTE: The International Telecommuni- national footnotes shall be listed imme- cation Union has re-numbered international diately below this note in I. Until such time footnotes using a new numbering scheme and

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as the Commission has considered the sub- navigation service in the bands 70–90 kHz and stantively revised international footnotes 110–130 kHz shall be subject to agreement ob- that have previously been adopted domesti- tained under No. 9.21 with administrations cally, certain of the old international foot- whose services, operating in accordance with notes shall apply in the United States. These the Table, may be affected. However, sta- footnotes appear immediately after footnote tions of the fixed, maritime mobile and 5.565 in II. radiolocation services shall not cause harmful interference to stations in the maritime I. New Numbering Scheme radionavigation service established under 5.53 Administrations authorizing the use such agreements. of frequencies below 9 kHz shall ensure that 5.62 Administrations which operate sta- no harmful interference is caused thereby to tions in the radionavigation service in the the services to which the bands above 9 kHz band 90–110 kHz are urged to coordinate tech- are allocated. nical and operating characteristics in such a 5.54 Administrations conducting sci- way as to avoid harmful interference to the entific research using frequencies below 9 services provided by these stations. kHz are urged to advise other administra- 5.64 Only classes A1A or F1B, A2C, A3C, tions that may be concerned in order that F1C or F3C emissions are authorized for sta- such research may be afforded all practicable tions of the fixed service in the bands allo- protection from harmful interference. cated to this service between 90 kHz and 160 5.55 Additional allocation: in Armenia, kHz (148.5 kHz in Region 1) and for stations Azerbaijan, Bulgaria, Georgia, Kyrgyzstan, of the maritime mobile service in the bands the Russian Federation, Tajikistan and allocated to this service between 110 kHz and Turkmenistan, the band 14–17 kHz is also al- 160 kHz (148.5 kHz in Region 1). Exception- located to the radionavigation service on a primary basis. ally, class J2B or J7B emissions are also au- 5.56 The stations of services to which the thorized in the bands between 110 kHz and bands 14–19.95 kHz and 20.05–70 kHz and in 160 kHz (148.5 kHz in Region 1) for stations of Region 1 also the bands 72–84 kHz and 86–90 the maritime mobile service. kHz are allocated may transmit standard 5.65 Different category of service: in Ban- frequency and time signals. Such stations gladesh, the allocation of the bands 112–117.6 shall be afforded protection from harmful in- kHz and 126–129 kHz to the fixed and mari- terference. In Armenia, Azerbaijan, Belarus, time mobile services is on a primary basis Bulgaria, Georgia, Kazakstan, Mongolia, (see No. 5.33). Uzbekistan, Kyrgyzstan, Slovakia, the Czech 5.66 Different category of service: in Ger- Rep., Russian Federation, Tajikistan, many, the allocation of the band 115–117.6 Turkmenistan and Ukraine, the frequencies kHz to the fixed and maritime mobile serv- 25 kHz and 50 kHz will be used for this pur- ices is on a primary basis (see No. 5.33) and pose under the same conditions. to the radionavigation service on a sec- 5.57 The use of the bands 14–19.95 kHz, ondary basis (see No. 5.32). 20.05–70 kHz and 70–90 kHz (72–84 kHz and 86– 5.67 Additional allocation: in Azerbaijan, 90 kHz in Region 1) by the maritime mobile Bulgaria, Mongolia, Kyrgyzstan, Romania service is limited to coast radiotelegraph and Turkmenistan, the band 130–148.5 kHz is stations (A1A and F1B only). Exceptionally, also allocated to the radionavigation service the use of class J2B or J7B emissions is au- on a secondary basis. Within and between thorized subject to the necessary bandwidth these countries this service shall have an not exceeding that normally used for class equal right to operate. A1A or F1B emissions in the band concerned. 5.68 Alternative allocation: in Angola, Bot- 5.58 Additional allocation: in Armenia, swana, Burundi, the Congo, Malawi, Dem. Azerbaijan, Georgia, Kazakstan, Kyrgyzstan, the Russian Federation, Tajikistan and Rep. of the Congo, Rwanda and South Africa, Turkmenistan, the band 67–70 kHz is also al- the band 160–200 kHz is allocated to the fixed located to the radionavigation service on a service on a primary basis. primary basis. 5.69 Additional allocation: in Somalia, the 5.59 Different category of service: in Ban- band 200–255 kHz is also allocated to the gladesh and Pakistan, the allocation of the aeronautical radionavigation service on a bands 70–72 kHz and 84–86 kHz to the fixed primary basis. and maritime mobile services is on a pri- 5.70 Alternative allocation: in Angola, Bot- mary basis (see No. 5.33). swana, Burundi, Cameroon, the Central Afri- 5.60 In the bands 70–90 kHz (70–86 kHz in can Rep., the Congo, Ethiopia, Kenya, Leso- Region 1) and 110–130 kHz (112–130 kHz in Re- tho, Madagascar, Malawi, Mozambique, Na- gion 1), pulsed radionavigation systems may mibia, Nigeria, Oman, Dem. Rep. of the be used on condition that they do not cause Congo, Rwanda, South Africa, Swaziland, harmful interference to other services to Tanzania, Chad, Zambia and Zimbabwe, the which these bands are allocated. band 200–283.5 kHz is allocated to the aero- 5.61 In Region 2, the establishment and nautical radionavigation service on a pri- operation of stations in the maritime radio- mary basis.

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5.71 Alternative allocation: in Tunisia, the 5.79A When establishing coast stations in band 255–283.5 kHz is allocated to the broad- the NAVTEX service on the frequencies 490 casting service on a primary basis. kHz, 518 kHz and 4 209.5 kHz, administrations 5.72 Norwegian stations of the fixed serv- are strongly recommended to coordinate the ice situated in northern areas (north of 60° operating characteristics in accordance with N) subject to auroral disturbances are al- the procedures of the International Maritime lowed to continue operation on four fre- Organization (IMO) (see Resolution 339 quencies in the bands 283.5–490 kHz and 510– (Rev.WRC–97)). 526.5 kHz. 5.80 In Region 2, the use of the band 435– 5.73 The band 285–325 kHz (283.5–325 kHz in 495 kHz by the aeronautical radionavigation Region 1) in the maritime radionavigation service is limited to non-directional beacons service may be used to transmit supple- not employing voice transmission. mentary navigational information using nar- 5.82 In the maritime mobile service, the row-band techniques, on condition that no frequency 490 kHz is, from the date of full harmful interference is caused to radio- implementation of the GMDSS (see Resolu- beacon stations operating in the radio- tion 331 (Rev.WRC–97)), to be used exclu- navigation service. sively for the transmission by coast stations 5.74 Additional Allocation: in Region 1, the of navigational and meteorological warnings frequency band 285.3–285.7 kHz is also allo- and urgent information to ships, by means of cated to the maritime radionavigation serv- narrow-band direct-printing telegraphy. The ice (other than radiobeacons) on a primary conditions for use of the frequency 490 kHz basis. are prescribed in Articles 31 and 52. In using 5.75 Different category of service: in Arme- the band 415–495 kHz for the aeronautical nia, Azerbaijan, Belarus, Georgia, Moldova, radionavigation service, administrations are Kyrgyzstan, the Russian Federation, requested to ensure that no harmful inter- Tajikistan, Turkmenistan, Ukraine and the ference is caused to the frequency 490 kHz. Black Sea areas of Bulgaria and Romania, 5.83 The frequency 500 kHz is an inter- the allocation of the band 315–325 kHz to the national distress and calling frequency for maritime radionavigation service is on a pri- Morse radiotelegraphy. The conditions for mary basis under the condition that in the its use are prescribed in Articles 31 and 52, Baltic Sea area, the assignment of fre- and in Appendix 13. quencies in this band to new stations in the 5.84 The conditions for the use of the fre- maritime or aeronautical radionavigation quency 518 kHz by the maritime mobile serv- services shall be subject to prior consulta- ice are prescribed in Articles 31 and 52 and in tion between the administrations concerned. Appendix 13. 5.76 The frequency 410 kHz is designated for radio direction-finding in the maritime 5.86 In Region 2, in the band 525–535 kHz radionavigation service. The other radio- the carrier power of broadcasting stations navigation services to which the band 405–415 shall not exceed 1 kW during the day and 250 kHz is allocated shall not cause harmful in- W at night. terference to radio direction-finding in the 5.87 Additional allocation: in Angola, Bot- band 406.5–413.5 kHz. swana, Lesotho, Malawi, Mozambique, Na- 5.77 Different category of service: in Aus- mibia, South Africa, Swaziland, Zambia and tralia, China, the French Overseas Terri- Zimbabwe, the band 526.5–535 kHz is also al- tories of Region 3, India, Indonesia (until 1 located to the mobile service on a secondary January 2005), Iran (Islamic Republic of), basis. Japan, Pakistan, Papua New Guinea and Sri 5.87A Additional allocation: in Uzbekistan, Lanka, the allocation of the band 415–495 kHz the band 526.5–1606.5 kHz is also allocated to to the aeronautical radionavigation service the radionavigation service on a primary is on a primary basis. Administrations in basis. Such use is subject to agreement ob- these countries shall take all practical steps tained under No. 9.21 with administrations necessary to ensure that aeronautical radio- concerned and limited to ground-based navigation stations in the band 435–495 kHz radiobeacons in operation on 27 October 1997 do not cause interference to reception by until the end of their lifetime. coast stations of ship stations transmitting 5.88 Additional allocation: in China, the on frequencies designated for ship stations band 526.5–535 kHz is also allocated to the on a worldwide basis (see No. 52.39). aeronautical radionavigation service on a 5.78 Different category of service: in Cuba, secondary basis. the United States of America and Mexico, 5.89 In Region 2, the use of the band 1605– the allocation of the band 415–435 kHz to the 1705 kHz by stations of the broadcasting aeronautical radionavigation service is on a service is subject to the Plan established by primary basis. the Regional Administrative Radio Con- 5.79 The use of the bands 415–495 kHz and ference (Rio de Janeiro, 1988). 505–526.5 kHz (505–510 kHz in Region 2) by the The examination of frequency assignments maritime mobile service is limited to radio- to stations of the fixed and mobile services telegraphy. in the band 1625–1705 kHz shall take account

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of the allotments appearing in the Plan es- Kyrgyzstan, the Russian Federation, Soma- tablished by the Regional Administrative lia, Tajikistan, Tunisia, Turkmenistan, Tur- Radio Conference (Rio de Janeiro, 1988). key and Ukraine, the band 1810–1830 kHz is 5.90 In the band 1605–1705 kHz, in cases allocated to the fixed and mobile, except where a broadcasting station of Region 2 is aeronautical mobile, services on a primary concerned, the service area of the maritime basis. mobile stations in Region 1 shall be limited 5.99 Additional allocation: in Saudi Arabia, to that provided by ground-wave propaga- Austria, Bosnia and Herzegovina, Iraq, tion. Libya, Uzbekistan, Slovakia, the Czech Rep., 5.91 Additional allocation: in the Phil- Romania, Slovenia, Chad, Togo and Yugo- ippines and Sri Lanka, the band 1606.5–1705 slavia, the band 1810–1830 kHz is also allo- kHz is also allocated to the broadcasting cated to the fixed and mobile, except aero- service on a secondary basis. nautical mobile, services on a primary basis. 5.92 Some countries of Region 1 use radio- 5.100 In Region 1, the authorization to use determination systems in the bands 1606.5– 1625 kHz, 1635–1800 kHz, 1850–2160 kHz, 2194– the band 1810–1830 kHz by the amateur serv- 2300 kHz, 2502–2850 kHz and 3500–3800 kHz, ice in countries situated totally or partially ° subject to agreement obtained under No. north of 40 N shall be given only after con- 9.21. The radiated mean power of these sta- sultation with the countries mentioned in tions shall not exceed 50 W. Nos. 5.98 and 5.99 to define the necessary 5.93 Additional allocation: in Angola, Ar- steps to be taken to prevent harmful inter- menia, Azerbaijan, Belarus, Georgia, Hun- ference between amateur stations and sta- gary, Kazakstan, Latvia, Lithuania, tions of other services operating in accord- Moldova, Mongolia, Nigeria, Uzbekistan, Po- ance with Nos. 5.98 and 5.99. land, Kyrgyzstan, Slovakia, the Czech Rep., 5.101 Alternative allocation: in Burundi and the Russian Federation, Tajikistan, Chad, Lesotho, the band 1810–1850 kHz is allocated Turkmenistan and Ukraine, the bands 1625– to the fixed and mobile, except aeronautical 1635 kHz, 1800–1810 kHz and 2160–2170 kHz and, mobile, services on a primary basis. in Bulgaria, the bands 1625–1635 kHz and 1800– 5.102 Alternative allocation: in Argentina, 1810 kHz, are also allocated to the fixed and Bolivia, Chile, Mexico, Paraguay, Peru, Uru- land mobile services on a primary basis, sub- guay and Venezuela, the band 1850–2000 kHz ject to agreement obtained under No. 9.21. is allocated to the fixed, mobile except aero- 5.96 In Germany, Armenia, Austria, Azer- nautical mobile, radiolocation and radio- baijan, Belarus, Denmark, Estonia, Finland, navigation services on a primary basis. Georgia, Hungary, Ireland, Israel, Jordan, 5.103 In Region 1, in making assignments Kazakstan, Latvia, Liechtenstein, Lith- to stations in the fixed and mobile services uania, Malta, Moldova, Norway, Uzbekistan, in the bands 1850–2045 kHz, 2194–2498 kHz, Poland, Kyrgyzstan, Slovakia, the Czech 2502–2625 kHz and 2650–2850 kHz, administra- Rep., the United Kingdom, the Russian Fed- tions should bear in mind the special re- eration, Sweden, Switzerland, Tajikistan, quirements of the maritime mobile service. Turkmenistan and Ukraine, administrations may allocate up to 200 kHz to their amateur 5.104 In Region 1, the use of the band 2025– service in the bands 1715–1800 kHz and 1850– 2045 kHz by the meteorological aids service 2000 kHz. However, when allocating the is limited to oceanographic buoy stations. bands within this range to their amateur 5.105 In Region 2, except in Greenland, service, administrations shall, after prior coast stations and ship stations using consultation with administrations of radiotelephony in the band 2065–2107 kHz neighbouring countries, take such steps as shall be limited to class J3E emissions and may be necessary to prevent harmful inter- to a peak envelope power not exceeding 1 ference from their amateur service to the kW. Preferably, the following carrier fre- fixed and mobile services of other countries. quencies should be used: 2065.0 kHz, 2079.0 The mean power of any amateur station kHz, 2082.5 kHz, 2086.0 kHz, 2093.0 kHz, 2096.5 shall not exceed 10 W. kHz, 2100.0 kHz and 2103.5 kHz. In Argentina 5.97 In Region 3, the Loran system oper- and Uruguay, the carrier frequencies 2068.5 ates either on 1850 kHz or 1950 kHz, the bands kHz and 2075.5 kHz are also used for this pur- occupied being 1825–1875 kHz and 1925–1975 pose, while the frequencies within the band kHz respectively. Other services to which the 2072–2075.5 kHz are used as provided in No. band 1800–2000 kHz is allocated may use any 52.165. frequency therein on condition that no 5.106 In Regions 2 and 3, provided no harmful interference is caused to the Loran harmful interference is caused to the mari- system operating on 1850 kHz or 1950 kHz. time mobile service, the frequencies between 5.98 Alternative allocation: in Angola, Ar- 2065 kHz and 2107 kHz may be used by sta- menia, Azerbaijan, Belarus, Belgium, Bul- tions of the fixed service communicating garia, Cameroon, the Congo, Denmark, only within national borders and whose Egypt, Eritrea, Spain, Ethiopia, Georgia, mean power does not exceed 50 W. In noti- Greece, Italy, Kazakstan, Lebanon, Lith- fying the frequencies, the attention of the uania, Moldova, the Netherlands, Syria, Bureau should be drawn to these provisions.

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5.107 Additional allocation: in Saudi Ara- channels for these devices may be assigned bia, Botswana, Eritrea, Ethiopia, Iraq, Leso- by administrations in the bands between 3155 tho, Libya, Somalia and Swaziland, the band kHz and 3400 kHz to suit local needs. 2160–2170 kHz is also allocated to the fixed It should be noted that frequencies in the and mobile, except aeronautical mobile (R), range 3000 kHz to 4000 kHz are suitable for services on a primary basis. The mean power hearing aid devices which are designed to op- of stations in these services shall not exceed erate over short distances within the induc- 50 W. tion field. 5.108 The carrier frequency 2182 kHz is an 5.117 Alternative allocation: in Bosnia and international distress and calling frequency Herzegovina, Cyprus, Coˆ te d’Ivoire, Den- for radiotelephony. The conditions for the mark, Egypt, Greece, Iceland, Liberia, use of the band 2173.5–2190.5 kHz are pre- Malta, Sri Lanka, Togo and Yugoslavia, the scribed in Articles 31 and 52 and in Appendix band 3155–3200 kHz is allocated to the fixed 13. and mobile, except aeronautical mobile, 5.109 The frequencies 2187.5 kHz, 4207.5 services on a primary basis. kHz, 6312 kHz, 8414.5 kHz, 12577 kHz and 5.118 Additional allocation: in the United 16804.5 kHz are international distress fre- States, Japan, Mexico, Peru and Uruguay, quencies for digital selective calling. The the band 3230–3400 kHz is also allocated to conditions for the use of these frequencies the radiolocation service on a secondary are prescribed in Article 31. basis. 5.110 The frequencies 2174.5 kHz, 4177.5 5.119 Additional allocation: in Honduras, kHz, 6268 kHz, 8376.5 kHz, 12520 kHz and 16695 Mexico, Peru and Venezuela, the band 3500– kHz are international distress frequencies 3750 kHz is also allocated to the fixed and for narrow-band direct-printing telegraphy. mobile services on a primary basis. The conditions for the use of these fre- 5.120 For the use of the bands allocated to quencies are prescribed in Article 31. the amateur service at 3.5 MHz, 7.0 MHz, 10.1 5.111 The carrier frequencies 2182 kHz, MHz, 14.0 MHz, 18.068 MHz, 21.0 MHz, 24.89 3023 kHz, 5680 kHz, 8364 kHz and the fre- MHz and 144 MHz in the event of natural dis- quencies 121.5 MHz, 156.8 MHz and 243 MHz asters, see Resolution 640.1(SUP–WRC–2000) may also be used, in accordance with the 5.122 Alternative allocation: in Argentina, procedures in force for terrestrial Bolivia, Chile, Ecuador, Paraguay, Peru and radiocommunication services, for search and Uruguay, the band 3750–4000 kHz is allocated rescue operations concerning manned space to the fixed and mobile, except aeronautical vehicles. The conditions for the use of the mobile, services on a primary basis. frequencies are prescribed in Article 31 and 5.123 Additional allocation: in Botswana, in Appendix 13. Lesotho, Malawi, Mozambique, Namibia, The same applies to the frequencies 10003 South Africa, Swaziland, Zambia and kHz, 14993 kHz and 19993 kHz, but in each of Zimbabwe, the band 3900–3950 kHz is also al- these cases emissions must be confined in a located to the broadcasting service on a pri- band of ± 3 kHz about the frequency. mary basis, subject to agreement obtained 5.112 Alternative allocation: in Bosnia and under No. 9.21. Herzegovina, Cyprus, Denmark, Greece, Ice- 5.125 Additional allocation: in Greenland, land, Malta, Sri Lanka and Yugoslavia, the the band 3950–4000 kHz is also allocated to band 2194–2300 kHz is allocated to the fixed the broadcasting service on a primary basis. and mobile, except aeronautical mobile, The power of the broadcasting stations oper- services on a primary basis. ating in this band shall not exceed that nec- 5.113 For the conditions for the use of the essary for a national service and shall in no bands 2300–2495 kHz (2498 kHz in Region 1), case exceed 5 kW. 3200–3400 kHz, 4750–4995 kHz and 5005–5060 kHz 5.126 In Region 3, the stations of those by the broadcasting service, see Nos. 5.16 to services to which the band 3995–4005 kHz is 5.20, 5.21 and 23.3 to 23.10. 5.114 Alternative allocation: in Bosnia and allocated may transmit standard frequency Herzegovina, Cyprus, Denmark, Greece, Iraq, and time signals. Malta, and Yugoslavia, the band 2502–2625 5.127 The use of the band 4000–4063 kHz by kHz is allocated to the fixed and mobile, ex- the maritime mobile service is limited to cept aeronautical mobile, services on a pri- ship stations using radiotelephony (see No. mary basis. 52.220 and Appendix 17). 5.115 The carrier (reference) frequencies 5.128 In Afghanistan, Argentina, Armenia, 3023 kHz and 5680 kHz may also be used, in Azerbaijan, Belarus, Botswana, Burkina accordance with Article 31 and Appendix 13 Faso, the Central African Rep., China, Geor- by stations of the maritime mobile service gia, India, Kazakstan, Mali, Niger, engaged in coordinated search and rescue op- Kyrgyzstan, Russian Federation, Tajikistan, erations. Chad, Turkmenistan and Ukraine, in the 5.116 Administrations are urged to au- bands 4063–4123 kHz, 4130–4133 kHz and 4408– thorize the use of the band 3155–3195 kHz to provide a common worldwide channel for low 1 This Resolution was abrogated by WRC– power wireless hearing aids. Additional 97.

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4438 kHz, stations of limited power in the power required and to take account of the fixed service which are situated at least 600 seasonal use of frequencies by the broad- km from the coast may operate on condition casting service published in accordance with that harmful interference is not caused to the Radio Regulations. the maritime mobile service. 5.137 On condition that harmful inter- 5.129 On condition that harmful interference is not caused to the maritime mobile ference is not caused to the maritime mobile service, the bands 6200–6213.5 kHz and 6220.5– service, the frequencies in the bands 4063– 6525 kHz may be used exceptionally by sta- 4123 kHz and 4130–4438 kHz may be used ex- tions in the fixed service, communicating ceptionally by stations in the fixed service only within the boundary of the country in communicating only within the boundary of which they are located, with a mean power the country in which they are located with a not exceeding 50 W. At the time of notifica- mean power not exceeding 50 W. tion of these frequencies, the attention of 5.130 The conditions for the use of the car- the Bureau will be drawn to the above condi- rier frequencies 4125 kHz and 6215 kHz are tions. prescribed in Articles 31 and 52 and in Appen- 5.138 The following bands: dix 13. 6765–6795 kHz (centre frequency 6780 kHz), 5.131 The frequency 4209.5 kHz is used ex- 433.05–434.79 MHz (centre frequency 433.92 clusively for the transmission by coast sta- MHz) in Region 1 except in the countries tions of meteorological and navigational mentioned in No. 5.280, warnings and urgent information to ships by 61–61.5 GHz (centre frequency 61.25 GHz), means of narrow-band direct-printing tech- 122–123 GHz (centre frequency 122.5 GHz), and niques. 244–246 GHz (centre frequency 245 GHz) 5.132 The frequencies 4210 kHz, 6314 kHz, 8416.5 kHz, 12579 kHz, 16806.5 kHz, 19680.5 kHz, are designated for industrial, scientific and 22376 kHz and 26100.5 kHz are the inter- medical (ISM) applications. The use of these national frequencies for the transmission of frequency bands for ISM applications shall maritime safety information (MSI) (see Ap- be subject to special authorization by the ad- pendix 17). ministration concerned, in agreement with 5.133 Different category of service: in Arme- other administrations whose nia, Azerbaijan, Belarus, Georgia, radiocommunication services might be af- Kazakstan, Latvia, Lithuania, Moldova, fected. In applying this provision, adminis- Uzbekistan, Kyrgyzstan, Russian Federation, trations shall have due regard to the latest Tajikistan, Turkmenistan and Ukraine, the relevant ITU–R Recommendations. allocation of the band 5130–5250 kHz to the 5.139 Different category of service: in Arme- mobile, except aeronautical mobile, service nia, Azerbaijan, Belarus, Georgia, is on a primary basis (see No. 5.33). Kazakstan, Latvia, Lithuania, Moldova, 5.134 The use of the bands 5900–5950 kHz, Mongolia, Uzbekistan, Kyrgyzstan, Russian 7300–7350 kHz, 9400–9500 kHz, 11600–11650 kHz, Federation, Tajikistan, Turkmenistan and 12050–12100 kHz, 13570–13600 kHz, 13800–13870 Ukraine, the allocation of the band 6765–7000 kHz, 15600–15800 kHz, 17480–17550 kHz and kHz to the land mobile service is on a pri- 18900–19020 kHz by the broadcasting service is mary basis (see No. 5.33). limited to single-sideband emissions with 5.140 Additional allocation: in Angola, Iraq, the characteristics specified in Appendix 11 Rwanda, Somalia and Togo, the band 7000– or to any other spectrum-efficient modula- 7050 kHz is also allocated to the fixed service tion techniques recommended by ITU–R. Ac- on a primary basis. cess to these bands shall be subject to the de- 5.141 Alternative allocation: in Egypt, Eri- cisions of a competent conference. trea, Ethiopia, Guinea, Libya and Mada- 5.136 The band 5900–5950 kHz is allocated, gascar, the band 7000–7050 kHz is allocated to until 1 April 2007, to the fixed service on a the fixed service on a primary basis. primary basis, as well as to the following 5.142 The use of the band 7100–7300 kHz in services: in Region 1 to the land mobile serv- Region 2 by the amateur service shall not ice on a primary basis, in Region 2 to the impose constraints on the broadcasting serv- mobile except aeronautical mobile (R) service intended for use within Region 1 and Re- ice on a primary basis, and in Region 3 to the gion 3. mobile except aeronautical mobile (R) serv- 5.143 The band 7300–7350 kHz is allocated, ice on a secondary basis, subject to applica- until 1 April 2007, to the fixed service on a tion of the procedure referred to in Resolu- primary basis and to the land mobile service tion 21 (Rev.WRC–95). After 1 April 2007, fre- on a secondary basis, subject to application quencies in this band may be used by sta- of the procedure referred to in Resolution 21 tions in the above-mentioned services, com- (Rev.WRC–95). After 1 April 2007, frequencies municating only within the boundary of the in this band may be used by stations in the country in which they are located, on the above-mentioned services, communicating condition that harmful interference is not only within the boundary of the country in caused to the broadcasting service. When which they are located, on condition that using frequencies for these services, adminis- harmful interference is not caused to the trations are urged to use the minimum broadcasting service. When using frequencies

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for these services, administrations are urged service, frequencies in the bands 9775–9900 to use the minimum power required and to kHz, 11650–11700 kHz and 11975–12050 kHz may take account of the seasonal use of fre- be used by stations in the fixed service com- quencies by the broadcasting service pub- municating only within the boundary of the lished in accordance with the Radio Regula- country in which they are located, each stations. tion using a total radiated power not exceed- 5.144 In Region 3, the stations of those ing 24 dBW. services to which the band 7995–8005 kHz is 5.148 The bands 9775–9900 kHz, 11650–11700 allocated may transmit standard frequency and time signals. kHz, 11975–12050 kHz, 13600–13800 kHz, 15450– 5.145 The conditions for the use of the car- 15600 kHz, 17550–17700 kHz and 21750–21850 kHz rier frequencies 8291 kHz, 12290 kHz and 16420 are allocated to the fixed service on a pri- kHz are prescribed in Articles 31 and 52 and mary basis subject to the procedure de- in Appendix 13. scribed in Resolution 8. The use of these 5.146 The bands 9400–9500 kHz, 11600–11650 bands by the broadcasting service shall be kHz, 12050–12100 kHz, 15600–15800 kHz, 17480– subject to provisions to be established by the 17550 kHz and 18900–19020 kHz are allocated to world administrative radio conference for the fixed service on a primary basis until 1 the planning of HF bands allocated to the April 2007, subject to application of the pro- broadcasting service (see Resolution 508). cedure referred to in Resolution 21 Within these bands, the date of commence- (Rev.WRC–95). After 1 April 2007, frequencies ment of operations in the broadcasting in these bands may be used by stations in the servive on a planned channel shall not be fixed service, communicating only within earlier than the date of completion of satis- the boundary of the country in which they factory transfer, according to the procedures are located, on condition that harmful inter- described in Resolution 8, of all assignments ference is not caused to the broadcasting service. When using frequencies in the fixed to stations in the fixed service operating in service, administrations are urged to use the accordance with the Table and other provi- minimum power required and to take ac- sions of the Radio Regulations, which are re- count of the seasonal use of frequencies by corded in the Master Register and which the broadcasting service published in accord- may be affected by boadcating operations on ance with the Radio Regulations. that channel. (SUP—WRC–97) 5.147 On condition that harmful inter- 5.149 In making assignments to stations ference is not caused to the broadcasting of other services to which the bands:

13360–13410 kHz, 4990–5000 MHz, 94.1–100 GHz, 25550–25670 kHz, 6650–6675.2 MHz, 102–109.5 GHz, 37.5–38.25 MHz, 10.6–10.68 GHz, 111.8–114.25 GHz, 73–74.6 MHz in Regions 1 14.47–14.5 GHz, 128.33–128.59 GHz, and 3, 150.05–153 MHz in Region 22.01–22.21 GHz, 129.23–129.49 GHz, 1, 322–328.6 MHz, 22.21–22.5 GHz, 130–134 GHz, 406.1–410 MHz, 22.81–22.86 GHz, 136–148.5 GHz, 608–614 MHz in Regions 1 23.07–23.12 GHz, 151.5–158.5 GHz, and 3, 1330–1400 MHz, 31.2–31.3 GHz, 168.59–168.93 GHz, 1610.6–1613.8 MHz, 31.5–31.8 GHz in Regions 1 171.11–171.45 GHz, and 3, 1660–1670 MHz, 36.43–36.5 GHz, 172.31–172.65 GHz, 1718.8–1722.2 MHz, 42.5–43.5 GHz, 173.52–173.85 GHz, 2655–2690 MHz, 42.77–42.87 GHz, 195.75–196.15 GHz, 3260–3267 MHz, 43.07–43.17 GHz, 209–226 GHz, 3332–3339 MHz, 43.37–43.47 GHz, 241–250 GHz, 3345.8–3352.5 MHz, 48.94–49.04 GHz, 252–275 GHz 4825–4835 MHz, 76–86 GHz, 4950–4990 MHz, 92–94 GHz,

are allocated, administrations are urged to borne stations can be particularly serious take all practicable steps to protect the sources of interference to the radio astron- radio astronomy service from harmful inter- omy service (see Nos. 4.5 and 4.6 and Article ference. Emissions from spaceborne or air- 29).

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5.150 The following bands: nautical mobile (R) services on a primary 13553–13567 kHz (centre frequency 13560 kHz), basis. 26957–27283 kHz (centre frequency 27120 kHz), 5.155A In Armenia, Azerbaijan, Belarus, 40.66–40.70 MHz (centre frequency 40.68 MHz), Bulgaria, Georgia, Kazakstan, Moldova, Mongolia, Uzbekistan, Kyrgyzstan, Slovakia, 902–928 MHz in Region 2 (centre frequency 915 the Czech Rep., the Russian Federation, MHz), Tajikistan, Turkmenistan and Ukraine, the 2400–2500 MHz (centre frequency 2450 MHz), use of the band 21850–21870 kHz by the fixed 5725–5875 MHz (centre frequency 5800 MHz), service is limited to provision of services re- and lated to aircraft flight safety. 24–24.25 GHz (centre frequency 24.125 GHz) 5.155B The band 21870–21924 kHz is used by are also designated for industrial, scientific the fixed service for provision of services re- and medical (ISM) applications. lated to aircraft flight safety. Radiocommunication services operating 5.156 Additional allocation: in Nigeria, the within these bands must accept harmful in- band 22720–23200 kHz is also allocated to the terference which may be caused by these ap- meteorological aids service (radiosondes) on plications. ISM equipment operating in these a primary basis. bands is subject to the provisions of No. 5.156A The use of the band 23200–23350 kHz 15.13. by the fixed service is limited to provision of 5.151 The bands 13570–13600 kHz and 13800– services related to aircraft flight safety. 13870 kHz are allocated, until 1 April 2007, to 5.157 The use of the band 23350–24000 kHz the fixed service on a primary basis and to by the maritime mobile service is limited to the mobile except aeronautical mobile (R) inter-ship radiotelegraphy. service on a secondary basis, subject to ap- 5.160 Additional allocation: in Botswana, plication of the procedure referred to in Res- Burundi, Lesotho, Malawi, Dem. Rep. of the olution 21 (Rev.WRC–95). After 1 April 2007, Congo, Rwanda and Swaziland, the band 41– frequencies in these bands may be used by 44 MHz is also allocated to the aeronautical stations in the above-mentioned services, radionavigation service on a primary basis. communicating only within the boundary of 5.161 Additional allocation: in Iran (Islamic the country in which they are located, on Republic of) and Japan, the band 41–44 MHz the condition that harmful interference is is also allocated to the radiolocation service not caused to the broadcasting service. When on a secondary basis. using frequencies in these services, adminis- 5.162 Additional allocation: in Australia trations are urged to use the minimum and New Zealand, the band 44–47 MHz is also power required and to take account of the allocated to the broadcasting service on a seasonal use of frequencies by the broad- primary basis. casting service published in accordance with 5.162A Additional allocation: in Germany, the Radio Regulations. Austria, Belgium, Bosnia and Herzegovina, 5.152 Additional allocation: in Armenia, China, Vatican, Denmark, Spain, Estonia, Azerbaijan, China, Coˆ te d’Ivoire, Georgia, Finland, France, Ireland, Iceland, Italy, Lat- Iran (Islamic Republic of), Kazakstan, via, The Former Yugoslav Republic of Mac- Moldova, Kyrgyzstan, the Russian Federa- edonia, Liechtenstein, Lithuania, Luxem- tion, Tajikistan, Turkmenistan and Ukraine, bourg, Moldova, Monaco, Norway, the Neth- the band 14250–14350 kHz is also allocated to erlands, Poland, Portugal, Slovakia, the the fixed service on a primary basis. Stations Czech Rep., the United Kingdom, the Russian of the fixed service shall not use a radiated Federation, Sweden and Switzerland the power exceeding 24 dBW. band 46–68 MHz is also allocated to the radio- 5.153 In Region 3, the stations of those location service on a secondary basis. This services to which the band 15995–16005 kHz is use is limited to the operation of wind pro- allocated may transmit standard frequency filer radars in accordance with Resolution and time signals. 217 (WRC–97). 5.154 Additional allocation: in Armenia, 5.163 Additional allocation: in Armenia, Azerbaijan, Georgia, Kazakstan, Moldova, Azerbaijan, Belarus, Estonia, Georgia, Hun- Kyrgyzstan, the Russian Federation, gary, Kazakstan, Latvia, Lithuania, Tajikistan, Turkmenistan and Ukraine, the Moldova, Mongolia, Uzbekistan, Kyrgyzstan, band 18068–18168 kHz is also allocated to the Slovakia, the Czech Rep., Russian Federa- fixed service on a primary basis for use with- tion, Tajikistan, Turkmenistan and Ukraine, in their boundaries, with a peak envelope the bands 47–48.5 MHz and 56.5–58 MHz are power not exceeding 1 kW. also allocated to the fixed and land mobile 5.155 Additional allocation: in Armenia, services on a secondary basis. Azerbaijan, Belarus, Bulgaria, Georgia, Hun- 5.164 Additional allocation: in Albania, Ger- gary, Kazakstan, Moldova, Mongolia, many, Austria, Belgium, Bosnia and Uzbekistan, Kyrgyzstan, Slovakia, the Czech Herzegovina, Bulgaria, C‘‘te d’Ivoire, Den- Rep., Russian Federation, Tajikistan, mark, Spain, Finland, France, Gabon, Turkmenistan and Ukraine, the band 21850– Greece, Ireland, Israel, Italy, Jordan, Leb- 21870 kHz is also allocated to the aero- anon, Libya, Liechtenstein, Luxembourg,

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Madagascar, Mali, Malta, Morocco, Mauri- 73 MHz is allocated to the broadcasting serv- tania, Monaco, Nigeria, Norway, the Nether- ice on a primary basis and used in accord- lands, Poland, Syria, the United Kingdom, ance with the decisions in the Final Acts of Senegal, Slovenia, Sweden, Switzerland, the Special Regional Conference (Geneva, Swaziland, Togo, Tunisia, Turkey and Yugo- 1960). slavia the band 47–68 MHz, in Romania the 5.175 Alternative allocation: in Armenia, band 47–58 MHz and in the Czech Rep. the Azerbaijan, Belarus, Georgia, Kazakstan, band 66–68 MHz, are also allocated to the Latvia, Lithuania, Moldova, Mongolia, land mobile service on a primary basis. How- Uzbekistan, Kyrgyzstan, the Russian Federa- ever, stations of the land mobile service in tion, Tajikistan, Turkmenistan and Ukraine, the countries mentioned in connection with the bands 68–73 MHz and 76–87.5 MHz are allo- each band referred to in this footnote shall cated to the broadcasting service on a pri- not cause harmful interference to, or claim mary basis. The services to which these protection from, existing or planned broad- bands are allocated in other countries and casting stations of countries other than the broadcasting service in the countries those mentioned in connection with the listed above are subject to agreements with band. the neighbouring countries concerned. 5.165 Additional allocation: in Angola, 5.176 Additional allocation: in Australia, Cameroon, the Congo, Madagascar, Mozam- China, Korea (Rep. of), Estonia (subject to bique, Somalia, Sudan, Tanzania and Chad, agreement obtained under No. 9.21), the Phil- the band 47–68 MHz is also allocated to the ippines, the Dem. People’s Rep. of Korea and fixed and mobile, except aeronautical mo- Samoa, the band 68–74 MHz is also allocated bile, services on a primary basis. to the broadcasting service on a primary 5.166 Alternative allocation: in New Zea- basis. land, the band 50–51 MHz is allocated to the 5.177 Additional allocation: in Armenia, fixed, mobile and broadcasting services on a Azerbaijan, Belarus, Bulgaria, Georgia, primary basis; the band 53–54 MHz is allo- Kazakstan, Latvia, Moldova, Uzbekistan, Po- cated to the fixed and mobile services on a land, Kyrgyzstan, the Russian Federation, primary basis. Tajikistan, Turkmenistan and Ukraine, the 5.167 Alternative allocation: in Bangladesh, band 73–74 MHz is also allocated to the Brunei Darussalam, India, Indonesia, Iran broadcasting service on a primary basis, sub- (Islamic Republic of), Malaysia, Pakistan, ject to agreement obtained under No. 9.21. Singapore and Thailand, the band 50–54 MHz 5.178 Additional allocation: in Colombia, is allocated to the fixed, mobile and broad- Costa Rica, Cuba, El Salvador, Guatemala, casting services on a primary basis. Guyana, Honduras and Nicaragua, the band 5.168 Additional allocation: in Australia, 73–74.6 MHz is also allocated to the fixed and China and the Dem. People’s Rep. of Korea, mobile services on a secondary basis. the band 50–54 MHz is also allocated to the 5.179 Additional allocation: in Armenia, broadcasting service on a primary basis. Azerbaijan, Belarus, Bulgaria, China, Geor- 5.169 Alternative allocation: in Botswana, gia, Kazakstan, Latvia, Lithuania, Moldova, Burundi, Lesotho, Malawi, Namibia, Dem. Mongolia, Kyrgyzstan, Slovakia, the Czech Rep. of the Congo, Rwanda, South Africa, Rep., Russian Federation, Tajikistan, Swaziland, Zambia and Zimbabwe, the band Turkmenistan and Ukraine, the bands 74.6– 50–54 MHz is allocated to the amateur service 74.8 MHz and 75.2–75.4 MHz are also allocated on a primary basis. to the aeronautical radionavigation service, 5.170 Additional allocation: in New Zealand, on a primary basis, for ground-based trans- the band 51–53 MHz is also allocated to the mitters only. fixed and mobile services on a primary basis. 5.180 The frequency 75 MHz is assigned to 5.171 Additional allocation: in Botswana, marker beacons. Administrations shall re- Burundi, Lesotho, Malawi, Mali, Namibia, frain from assigning frequencies close to the Dem. Rep. of the Congo, Rwanda, South Afri- limits of the guardband to stations of other ca, Swaziland and Zimbabwe, the band 54–68 services which, because of their power or MHz is also allocated to the fixed and mo- geographical position, might cause harmful bile, except aeronautical mobile, services on interference or otherwise place a constraint a primary basis. on marker beacons. 5.172 Different category of service: in the Every effort should be made to improve French Overseas Departments in Region 2, further the characteristics of airborne re- Guyana, Jamaica and Mexico, the allocation ceivers and to limit the power of transmit- of the band 54–68 MHz to the fixed and mobile ting stations close to the limits 74.8 MHz and services is on a primary basis (see No. 5.33). 75.2 MHz. 5.173 Different category of service: in the 5.181 Additional allocation: in Egypt, French Overseas Departments in Region 2, Israel, Japan, and Syria, the band 74.8–75.2 Guyana, Jamaica and Mexico, the allocation MHz is also allocated to the mobile service of the band 68–72 MHz to the fixed and mobile on a secondary basis, subject to agreement services is on a primary basis (see No. 5.33). obtained under No. 9.21. In order to ensure 5.174 Alternative allocation: in Bulgaria, that harmful interference is not caused to Hungary, Poland and Romania, the band 68– stations of the aeronautical radionavigation

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service, stations of the mobile service shall nautical mobile-satellite (R) service on a not be introduced in the band until it is no secondary basis, subject to agreement ob- longer required for the aeronautical radio- tained under No. 9.21. navigation service by any administration 5.199 The bands 121.45–121.55 MHz and which may be identified in the application of 242.95–243.05 MHz are also allocated to the the procedure invoked under No. 9.21. mobile-satellite service for the reception on 5.182 Additional allocation: in Western board satellites of emissions from emergency Samoa, the band 75.4–87 MHz is also allo- position-indicating radiobeacons transmit- cated to the broadcasting service on a pri- ting at 121.5 MHz and 243 MHz (see Appendix mary basis. 13). 5.183 Additional allocation: in China, Korea 5.200 In the band 117.975–136 MHz, the fre- (Rep. of), Japan, the Philippines and the quency 121.5 MHz is the aeronautical emer- Dem. People’s Rep. of Korea, the band 76–87 gency frequency and, where required, the fre- MHz is also allocated to the broadcasting quency 123.1 MHz is the aeronautical fre- service on a primary basis. quency auxiliary to 121.5 MHz. Mobile sta- 5.184 Additional allocation: in Bulgaria and tions of the maritime mobile service may Romania, the band 76–87.5 MHz is also allo- communicate on these frequencies under the cated to the broadcasting service on a pri- conditions laid down in Article 31 and Appen- mary basis and used in accordance with the dix 13 for distress and safety purposes with decisions contained in the Final Acts of the stations of the aeronautical mobile service. Special Regional Conference (Geneva, 1960). 5.201 Additional allocation: in Angola, Ar- 5.185 Different category of service: in the menia, Azerbaijan, Belarus, Bulgaria, Esto- United States, the French Overseas Depart- nia, Georgia, Hungary, Iran (Islamic Repub- ments in Region 2, Guyana, Jamaica, Mexico lic of), Iraq, Japan, Kazakstan, Latvia, and Paraguay, the allocation of the band 76– Moldova, Mongolia, Mozambique, 88 MHz to the fixed and mobile services is on Uzbekistan, Papua New Guinea, Poland, a primary basis (see No. 5.33). Kyrgyzstan, Slovakia, the Czech Rep., Roma- 5.187 Alternative allocation: in Albania, the nia, Russian Federation, Tajikistan, band 81–87.5 MHz is allocated to the broad- Turkmenistan and Ukraine, the band 132–136 casting service on a primary basis and used MHz is also allocated to the aeronautical in accordance with the decisions contained mobile (OR) service on a primary basis. In in the Final Acts of the Special Regional assigning frequencies to stations of the aero- Conference (Geneva, 1960). nautical mobile (OR) service, the adminis- 5.188 Additional allocation: in Australia, tration shall take account of the frequencies the band 85–87 MHz is also allocated to the assigned to stations in the aeronautical mo- broadcasting service on a primary basis. The bile (R) service. introduction of the broadcasting service in 5.202 Additional allocation: in Saudi Ara- Australia is subject to special agreements bia, Armenia, Azerbaijan, Belarus, Bulgaria, between the administrations concerned. the United Arab Emirates, Georgia, Iran 5.190 Additional allocation: in Monaco, the (Islamic Republic of), Jordan, Latvia, band 87.5–88 MHz is also allocated to the land Moldova, Oman, Uzbekistan, Poland, Syria, mobile service on a primary basis, subject to Kyrgyzstan, Slovakia, the Czech Rep., Roma- agreement obtained under No. 9.21. nia, the Russian Federation, Tajikistan, 5.192 Additional allocation: in China and Turkmenistan and Ukraine, the band 136–137 Korea (Rep. of), the band 100–108 MHz is also MHz is also allocated to the aeronautical allocated to the fixed and mobile services on mobile (OR) service on a primary basis. In a primary basis. assigning frequencies to stations of the aero- 5.194 Additional allocation: in Azerbaijan, nautical mobile (OR) service, the adminis- Lebanon, Syria, Kyrgyzstan, Somalia and tration shall take account of the frequencies Turkmenistan, the band 104–108 MHz is also assigned to stations in the aeronautical mo- allocated to the mobile, except aeronautical bile (R) service. mobile (R), service on a secondary basis. 5.203 In the band 136–137 MHz, existing 5.197 Additional allocation: in Japan, Paki- operational meteorological satellites may stan and Syria, the band 108–111.975 MHz is continue to operate, under the conditions de- also allocated to the mobile service on a sec- fined in No. 4.4 with respect to the aero- ondary basis, subject to agreement obtained nautical mobile service, until 1 January 2002. under No. 9.21. In order to ensure that harm- Administrations shall not authorize new fre- ful interference is not caused to stations of quency assignments in this band to stations the aeronautical radionavigation service, in the meteorological-satellite service. stations of the mobile service shall not be in- 5.203A Additional allocation: in Israel, troduced in the band until it is no longer re- Mauritania, Qatar and Zimbabwe, the band quired for the aeronautical radionavigation 136–137 MHz is also allocated to the fixed and service by any administration which may be mobile, except aeronautical mobile (R), serv- identified in the application of the proce- ices on a secondary basis until 1 January dures invoked under No. 9.21. 2005. 5.198 Additional allocation: the band 5.203B Additional allocation: in Saudi Ara- 117.975–136 MHz is also allocated to the aero- bia, United Arab Emirates, Jordan, Oman

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and Syria, the band 136–137 MHz is also allo- Liechtenstein, Luxembourg, Mali, Malta, cated to the fixed and mobile, except aero- Norway, the Netherlands, Qatar, the United nautical mobile, services on a secondary Kingdom, Somalia, Sweden, Switzerland, basis until 1 January 2005. Tanzania, Tunisia, Turkey and Yugoslavia, 5.204 Different category of service: in Af- the band 138–144 MHz is also allocated to the ghanistan, Saudi Arabia, Bahrain, Ban- maritime mobile and land mobile services on gladesh, Bosnia and Herzegovina, Brunei a primary basis. Darussalam, China, Cuba, the United Arab 5.212 Alternative allocation: in Angola, Bot- Emirates, India, Indonesia, Iran (Islamic Re- swana, Burundi, Cameroon, the Central Afri- public of), Iraq, Malaysia, Oman, Pakistan, can Rep., the Congo, Gabon, Gambia, Ghana, Philippines, Qatar, Singapore, Sri Lanka, Guinea, Iraq, Jordan, Lesotho, Liberia, Thailand, Yemen and Yugoslavia, the band Libya, Malawi, Mozambique, Namibia, Nige- 137–138 MHz is allocated to the fixed and mo- ria, Oman, Dem. Rep. of the Congo, Rwanda, bile, except aeronautical mobile (R), services Sierra Leone, South Africa, Swaziland, Chad, on a primary basis (see No. 5.33). Togo, Zambia and Zimbabwe, the band 138– 5.205 Different category of service: in Israel 144 MHz is allocated to the fixed and mobile and Jordan, the allocation of the band 137– services on a primary basis. 138 MHz to the fixed and mobile, except aero- 5.213 Additional allocation: in China, the nautical mobile, services is on a primary band 138–144 MHz is also allocated to the basis (see No. 5.33). radiolocation service on a primary basis. 5.206 Different category of service: in Arme- 5.214 Additional allocation: in Bosnia and nia, Azerbaijan, Belarus, Bulgaria, Egypt, Herzegovina, Croatia, Eritrea, Ethiopia, Finland, France, Georgia, Greece, Kenya, The Former Yugoslav Republic of Kazakstan, Lebanon, Moldova, Mongolia, Macedonia, Malta, Somalia, Sudan, Tanzania Uzbekistan, Poland, Kyrgyzstan, Syria, Slo- and Yugoslavia, the band 138–144 MHz is also vakia, the Czech Rep., Romania, the Russian allocated to the fixed service on a primary Federation, Tajikistan, Turkmenistan and basis. Ukraine, the allocation of the band 137–138 5.216 Additional allocation: in China, the MHz to the aeronautical mobile (OR) service band 144–146 MHz is also allocated to the is on a primary basis (see No. 5.33). aeronautical mobile (OR) service on a sec- 5.207 Additional allocation: in Australia, ondary basis. the band 137–144 MHz is also allocated to the 5.217 Alternative allocation: in Afghanistan, broadcasting service on a primary basis until Bangladesh, Cuba, Guyana and India, the that service can be accommodated within re- band 146–148 MHz is allocated to the fixed gional broadcasting allocations. and mobile services on a primary basis. 5.208 The use of the band 137–138 MHz by 5.218 Additional allocation: the band 148– the mobile-satellite service is subject to co- 149.9 MHz is also allocated to the space oper- ordination under No. 9.11A. ation service (Earth-to-space) on a primary 5.208A In making assignments to space basis, subject to agreement obtained under stations in the mobile-satellite service in the No. 9.21. The bandwidth of any individual bands 137–138 MHz, 387–390 MHz and 400.15–401 transmission shall not exceed ± 25 kHz. MHz, administrations shall take all prac- 5.219 The use of the band 148–149.9 MHz by ticable steps to protect the radio astronomy the mobile-satellite service is subject to co- service in the bands 150.05–153 MHz, 322–328.6 ordination under No. 9.11A. The mobile-sat- MHz, 406.1–410 MHz and 608–614 MHz from ellite service shall not constrain the develop- harmful interference from unwanted emis- ment and use of the fixed, mobile and space sions. The threshold levels of interference operation services in the band 148–149.9 MHz. detrimental to the radio astronomy service 5.220 The use of the bands 149.9–150.05 MHz are shown in Table 1 of Recommendation and 399.9–400.05 MHz by the mobile-satellite ITU–R RA.769–1. service is subject to coordination under No. 5.209 The use of the bands 137–138 MHz, 9.11A. The mobile-satellite service shall not 148–150.05 MHz, 399.9–400.05 MHz, 400.15–401 constrain the development and use of the MHz, 454–456 MHz and 459–460 MHz by the mo- radionavigation-satellite service in the bile-satellite service is limited to non-geo- bands 149.9–150.05 MHz and 399.9–400.05 MHz. stationary-satellite systems. 5.221 Stations of the mobile-satellite serv- 5.210 Additional allocation: in France, ice in the band 148–149.9 MHz shall not cause Italy, Liechtenstein, Slovakia, the Czech harmful interference to, or claim protection Rep., the United Kingdom and Switzerland, from, stations of the fixed or mobile services the bands 138–143.6 MHz and 143.65–144 MHz operating in accordance with the Table of are also allocated to the space research serv- Frequency Allocations in the following coun- ice (space-to-Earth) on a secondary basis. tries: Albania, Algeria, Germany, Saudi Ara- 5.211 Additional allocation: in Germany, bia, Australia, Austria, Bahrain, Bangladesh, Saudi Arabia, Austria, Bahrain, Belgium, Barbados, Belarus, Belgium, Benin, Bosnia Bosnia and Herzegovina, Denmark, the and Herzegovina, Brunei Darussalam, Bul- United Arab Emirates, Spain, Finland, garia, Cameroon, China, Cyprus, Congo, Greece, Ireland, Israel, Kenya, Kuwait, The Korea (Rep. of), Croatia, Cuba, Denmark, Former Yugoslav Republic of Macedonia, Egypt, the United Arab Emirates, Eritrea,

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Spain, Estonia, Ethiopia, Finland, France, However, the frequency 156.8 MHz and the Gabon, Ghana, Greece, Guinea, Guinea frequency bands in which priority is given to Bissau, Hungary, India, Iran (Islamic Repub- the maritime mobile service may be used for lic of), Ireland, Iceland, Israel, Italy, Ja- radiocommunications on inland waterways maica, Japan, Jordan, Kazakstan, Kenya, subject to agreement between interested and Kuwait, Latvia, The Former Yugoslav Re- affected administrations and taking into ac- public of Macedonia, Lebanon, Libya, Liech- count current frequency usage and existing tenstein, Lithuania, Luxembourg, Malaysia, agreements. Mali, Malta, Mauritania, Moldova, Mongolia, 5.227 In the maritime mobile VHF service Mozambique, Namibia, Norway, New Zea- the frequency 156.525 MHz is to be used exclu- land, Oman, Uganda, Uzbekistan, Pakistan, sively for digital selective calling for dis- Panama, Papua New Guinea, Paraguay, the tress, safety and calling. The conditions for Netherlands, the Philippines, Poland, Por- the use of this frequency are prescribed in tugal, Qatar, Syria, Kyrgyzstan, Slovakia, Articles 31 and 52, and Appendices 13 and 18. Romania, the United Kingdom, the Russian 5.229 Alternative allocation: in Morocco, Federation, Senegal, Sierra Leone, Singa- the band 162–174 MHz is allocated to the pore, Slovenia, Sri Lanka, South Africa, broadcasting service on a primary basis. The Sweden, Switzerland, Swaziland, Tanzania, use of this band shall be subject to agree- Chad, Thailand, Togo, Tonga, Trinidad and ment with administrations having services, Tobago, Tunisia, Turkey, Ukraine, Viet operating or planned, in accordance with the Nam, Yemen, Yugoslavia, Zambia, and Table which are likely to be affected. Sta- Zimbabwe. tions in existence on 1 January 1981, with 5.222 Emissions of the radionavigation- their technical characteristics as of that satellite service in the bands 149.9–150.05 MHz date, are not affected by such agreement. and 399.9–400.05 MHz may also be used by re- 5.230 Additional allocation: in China, the ceiving earth stations of the space research band 163–167 MHz is also allocated to the service. space operation service (space-to-Earth) on a primary basis, subject to agreement obtained 5.223 Recognizing that the use of the band under No. 9.21. 149.9–150.05 MHz by the fixed and mobile serv- 5.231 Additional allocation: in Afghanistan, ices may cause harmful interference to the China and Pakistan, the band 167–174 MHz is radionavigation-satellite service, adminis- also allocated to the broadcasting service on trations are urged not to authorize such use a primary basis. The introduction of the in application of No. 4.4. broadcasting service into this band shall be 5.224A The use of the bands 149.9–150.05 subject to agreement with the neighbouring MHz and 399.9–400.05 MHz by the mobile-sat- countries in Region 3 whose services are ellite service (Earth-to-space) is limited to likely to be affected. the land mobile-satellite service (Earth-to- 5.232 Additional allocation: in Japan, the space) until 1 January 2015. band 170–174 MHz is also allocated to the 5.224B The allocation of the bands 149.9– broadcasting service on a primary basis. 150.05 MHz and 399.9–400.05 MHz to the radio- 5.233 Additional allocation: in China, the navigation-satellite service shall be effective band 174–184 MHz is also allocated to the until 1 January 2015. space research (space-to-Earth) and the 5.225 Additional allocation: in Australia space operation (space-to-Earth) services on and India, the band 150.05–153 MHz is also al- a primary basis, subject to agreement ob- located to the radio astronomy service on a tained under No. 9.21. These services shall primary basis. not cause harmful interference to, or claim 5.226 The frequency 156.8 MHz is the inter- protection from, existing or planned broad- national distress, safety and calling fre- casting stations. quency for the maritime mobile VHF radio- 5.234 Different category of service: in Mex- telephone service. The conditions for the use ico, the allocation of the band 174–216 MHz to of this frequency are contained in Article 31 the fixed and mobile services is on a primary and Appendix 13. basis (see No. 5.33). In the bands 156–156.7625 MHz, 156.8375– 5.235 Additional allocation: in Germany, 157.45 MHz, 160.6–160.975 MHz and 161.475– Austria, Belgium, Denmark, Spain, Finland, 162.05 MHz, each administration shall give France, Israel, Italy, Liechtenstein, Malta, priority to the maritime mobile service on Monaco, Norway, the Netherlands, the only such frequencies as are assigned to sta- United Kingdom, Sweden and Switzerland, tions of the maritime mobile service by the the band 174–223 MHz is also allocated to the administration (see Articles 31 and 52, and land mobile service on a primary basis. How- Appendix 13). ever, the stations of the land mobile service Any use of frequencies in these bands by shall not cause harmful interference to, or stations of other services to which they are claim protection from, broadcasting sta- allocated should be avoided in areas where tions, existing or planned, in countries other such use might cause harmful interference to than those listed in this footnote. the maritime mobile VHF 5.237 Additional allocation: in the Congo, radiocommunication service. Eritrea, Ethiopia, Gambia, Guinea, Libya,

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Malawi, Mali, Senegal, Sierra Leone, Soma- ice on a primary basis, subject to agreement lia, Tanzania and Zimbabwe, the band 174–223 obtained under No. 9.21. MHz is also allocated to the fixed and mobile 5.254 The bands 235–322 MHz and 335.4–399.9 services on a secondary basis. MHz may be used by the mobile-satellite 5.238 Additional allocation: in Bangladesh, service, subject to agreement obtained under India, Pakistan and the Philippines, the No. 9.21, on condition that stations in this band 200–216 MHz is also allocated to the service do not cause harmful interference to aeronautical radionavigation service on a those of other services operating or planned primary basis. to be operated in accordance with the Table 5.240 Additional allocation: in China and of Frequency Allocations. India, the band 216–223 MHz is also allocated 5.255 The bands 312–315 MHz (Earth-to- to the aeronautical radionavigation service space) and 387–390 MHz (space-to-Earth) in on a primary basis and to the radiolocation the mobile-satellite service may also be used service on a secondary basis. by non-geostationary-satellite systems. Such 5.241 In Region 2, no new stations in the use is subject to coordination under No. radiolocation service may be authorized in 9.11A. the band 216–225 MHz. Stations authorized 5.256 The frequency 243 MHz is the fre- prior to 1 January 1990 may continue to oper- quency in this band for use by survival craft ate on a secondary basis. stations and equipment used for survival 5.242 Additional allocation: in Canada, the purposes (see Appendix 13). 5.257 The band 267–272 MHz may be used band 216–220 MHz is also allocated to the by administrations for space telemetry in land mobile service on a primary basis. their countries on a primary basis, subject to 5.243 Additional allocation: in Somalia, the agreement obtained under No. 9.21. band 216–225 MHz is also allocated to the 5.258 The use of the band 328.6–335.4 MHz aeronautical radionavigation service on a by the aeronautical radionavigation service primary basis, subject to not causing harm- is limited to Instrument Landing Systems ful interference to existing or planned broad- (glide path). casting services in other countries. 5.259 Additional allocation: in Egypt, 5.245 Additional allocation: in Japan, the Israel, Japan, and Syria, the band 328.6–335.4 band 222–223 MHz is also allocated to the MHz is also allocated to the mobile service aeronautical radionavigation service on a on a secondary basis, subject to agreement primary basis and to the radiolocation serv- obtained under No. 9.21. In order to ensure ice on a secondary basis. that harmful interference is not caused to 5.246 Alternative allocation: in Spain, stations of the aeronautical radionavigation France, Israel and Monaco, the band 223–230 service, stations of the mobile service shall MHz is allocated to the broadcasting and not be introduced in the band until it is no land mobile services on a primary basis (see longer required for the aeronautical radio- No. 5.33) on the basis that, in the preparation navigation service by any administration of frequency plans, the broadcasting service which may be identified in the application of shall have prior choice of frequencies; and al- the procedure invoked under No. 9.21. located to the fixed and mobile, except land 5.260 Recognizing that the use of the band mobile, services on a secondary basis. How- 399.9–400.05 MHz by the fixed and mobile serv- ever, the stations of the land mobile service ices may cause harmful interference to the shall not cause harmful interference to, or radionavigation satellite service, adminis- claim protection from, existing or planned trations are urged not to authorize such use broadcasting stations in Morocco and Alge- in application of No. 4.4. ria. 5.261 Emissions shall be confined in a 5.247 Additional allocation: in Saudi Ara- band of ±25 kHz about the standard frequency bia, Bahrain, the United Arab Emirates, Jor- 400.1 MHz. dan, Oman, Qatar and Syria, the band 223–235 5.262 Additional allocation: in Saudi Ara- MHz is also allocated to the aeronautical bia, Armenia, Azerbaijan, Bahrain, Belarus, radionavigation service on a primary basis. Bosnia and Herzegovina, Bulgaria, Colombia, 5.250 Additional allocation: in China, the Costa Rica, Cuba, Egypt, the United Arab band 225–235 MHz is also allocated to the Emirates, Ecuador, Georgia, Hungary, Iran radio astronomy service on a secondary (Islamic Republic of), Iraq, Israel, Jordan, basis. Kazakstan, Kuwait, Liberia, Malaysia, 5.251 Additional allocation: in Nigeria, the Moldova, Nigeria, Uzbekistan, Pakistan, the band 230–235 MHz is also allocated to the Philippines, Qatar, Syria, Kyrgyzstan, Slo- aeronautical radionavigation service on a vakia, Romania, the Russian Federation, primary basis, subject to agreement obtained Singapore, Somalia, Tajikistan, under No. 9.21. Turkmenistan, Ukraine and Yugoslavia, the 5.252 Alternative allocation: in Botswana, band 400.05–401 MHz is also allocated to the Lesotho, Malawi, Mozambique, Namibia, fixed and mobile services on a primary basis. South Africa, Swaziland, Zambia and 5.263 The band 400.15–401 MHz is also allo- Zimbabwe, the bands 230–238 MHz and 246–254 cated to the space research service in the MHz are allocated to the broadcasting serv- space-to-space direction for communications

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with manned space vehicles. In this applica- 5.275 Additional allocation: in Bosnia and tion, the space research service will not be Herzegovina, Croatia, Estonia, Finland, Lat- regarded as a safety service. via, The Former Yugoslav Republic of Mac- 5.264 The use of the band 400.15–401 MHz edonia, Libya, Slovenia and Yugoslavia, the by the mobile-satellite service is subject to bands 430–432 MHz and 438–440 MHz are also coordination under No. 9.11A. The power allocated to the fixed and mobile, except flux-density limit indicated in Annex 1 of aeronautical mobile, services on a primary Appendix 5 shall apply until such time as a basis.] competent world radiocommunication con- 5.276 Additional allocation: in Afghanistan, ference revises it. Algeria, Saudi Arabia, Bahrain, Bangladesh, 5.266 The use of the band 406–406.1 MHz by Brunei Darussalam, Burkina Faso, Burundi, the mobile-satellite service is limited to low Egypt, the United Arab Emirates, Ecuador, power satellite emergency position-indi- Eritrea, Ethiopia, Greece, Guinea, India, In- cating radiobeacons (see also Article 31 and donesia, Iran (Islamic Republic of), Iraq, Appendix 13). Israel, Italy, Jordan, Kenya, Kuwait, Leb- 5.267 Any emission capable of causing anon, Libya, Liechtenstein, Malaysia, Malta, harmful interference to the authorized uses Nigeria, Oman, Pakistan, the Philippines, of the band 406–406.1 MHz is prohibited. Qatar, Syria, the Dem. People’s Rep. of 5.268 Use of the band 410–420 MHz by the Korea, Singapore, Somalia, Switzerland, space research service is limited to commu- Tanzania, Thailand, Togo, Turkey and nications within 5 km of an orbiting, manned Yemen, the band 430–440 MHz is also allo- space vehicle. The power flux-density at the cated to the fixed service on a primary basis surface of the Earth produced by emissions and the bands 430–435 MHz and 438–440 MHz from extra-vehicular activities shall not ex- are also allocated to the mobile, except aero- ¥ 2 ° ≤ ≤ ° ¥ ceed 153 dB(W/m ) for 0 d 5 , 153 + nautical mobile, service on a primary basis. 0.077 ( ¥5) dB(W/m2) for 5° ≤ ≤ 70° and ¥148 d d 5.277 Additional allocation: in Angola, Ar- dB(W/m2) for 70° ≤ ≤ 90°, where is the angle d d menia, Azerbaijan, Belarus, Cameroon, of arrival of the radio-frequency wave and Congo, Djibouti, Georgia, Hungary, Israel, the reference bandwidth is 4 kHz. No. 4.10 Kazakstan, Latvia, Mali, Moldova, Mongolia, does not apply to extra-vehicular activities. Uzbekistan, Poland, Kyrgyzstan, Slovakia, In this frequency band the space research the Czech Rep., Romania, the Russian Fed- (space-to-space) service shall not claim pro- eration, Rwanda, Tajikistan, Chad, tection from, nor constrain the use and de- Turkmenistan and Ukraine, the band 430–440 velopment of, stations of the fixed and mobile services. MHz is also allocated to the fixed service on a primary basis. 5.269 Different category of service: in Aus- tralia, the United States, India, Japan and 5.278 Different category of service: in Argen- the United Kingdom, the allocation of the tina, Colombia, Costa Rica, Cuba, Guyana, bands 420–430 MHz and 440–450 MHz to the Honduras, Panama and Venezuela, the allo- radiolocation service is on a primary basis cation of the band 430–440 MHz to the ama- (see No. 5.33). teur service is on a primary basis (see No. 5.270 Additional allocation: in Australia, 5.33). the United States, Jamaica and the Phil- 5.279 Additional allocation: in Mexico, the ippines, the bands 420–430 MHz and 440–450 bands 430–435 MHz and 438–440 MHz are also MHz are also allocated to the amateur serv- allocated on a primary basis to the land mo- ice on a secondary basis. bile service, subject to agreement obtained 5.271 Additional allocation: in Azerbaijan, under No. 9.21. 5.280 In Germany, Austria, Belarus, China, Estonia, India, Latvia, Lith- Bosnia and Herzegovina, Croatia, The uania, Kyrgyzstan and Turkmenistan, the Former Yugoslav Republic of Macedonia, band 420–460 MHz is also allocated to the Liechtenstein, Portugal, Slovenia, Switzer- aeronautical radionavigation service (radio land and Yugoslavia, the band 433.05–434.79 altimeters) on a secondary basis. MHz (centre frequency 433.92 MHz) is des- 5.272 Different category of service: in ignated for industrial, scientific and medical France, the allocation of the band 430–434 (ISM) applications. Radiocommunication MHz to the amateur service is on a sec- services of these countries operating within ondary basis (see No. 5.32). this band must accept harmful interference 5.273 Different category of service: in Den- which may be caused by these applications. mark, Libya and Norway, the allocation of ISM equipment operating in this band is sub- the bands 430–432 MHz and 438–440 MHz to the ject to the provisions of No. 15.13. radiolocation service is on a secondary basis 5.281 Additional allocation: in the French (see No. 5.32). Overseas Departments in Region 2 and India, 5.274 Alternative allocation: in Denmark, the band 433.75–434.25 MHz is also allocated Norway and Sweden, the bands 430–432 MHz to the space operation service (Earth-to- and 438–440 MHz are allocated to the fixed space) on a primary basis. In France and in and mobile, except aeronautical mobile, Brazil, the band is allocated to the same services on a primary basis. service on a secondary basis.

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5.282 In the bands 435–438 MHz, 1260–1270 MHz, 467.525 MHz, 467.550 MHz and 467.575 MHz, 2400–2450 MHz, 3400–3410 MHz (in Re- MHz may be used by on-board communica- gions 2 and 3 only) and 5650–5670 MHz, the tion stations. Where needed, equipment de- amateur-satellite service may operate sub- signed for 12.5 kHz channel spacing using ject to not causing harmful interference to also the additional frequencies 457.5375 MHz, other services operating in accordance with 457.5625 MHz, 467.5375 MHz and 467.5625 MHz the Table (see No. 5.43). Administrations au- may be introduced for on-board communica- thorizing such use shall ensure that any tions. The use of these frequencies in terri- harmful interference caused by emissions torial waters may be subject to the national from a station in the amateur-satellite serv- regulations of the administration concerned. ice is immediately eliminated in accordance The characteristics of the equipment used with the provisions of No. 25.11. The use of shall conform to those specified in Rec- the bands 1260–1270 MHz and 5650–5670 MHz by ommendation ITU–R M.1174 (see Resolution the amateur-satellite service is limited to 341 (WRC–97)). the Earth-to-space direction. 5.288 In the territorial waters of the 5.283 Additional allocation: in Austria, the United States and the Philippines, the pre- band 438–440 MHz is also allocated to the ferred frequencies for use by on-board com- fixed and mobile, except aeronautical mo- munication stations shall be 457.525 MHz, bile, services on a primary basis. 457.550 MHz, 457.575 MHz and 457.600 MHz 5.284 Additional allocation: in Canada, the paired, respectively, with 467.750 MHz, 467.775 band 440–450 MHz is also allocated to the MHz, 467.800 MHz and 467.825 MHz. The char- amateur service on a secondary basis. acteristics of the equipment used shall con- 5.285 Different category of service: in Can- form to those specified in Recommendation ada, the allocation of the band 440–450 MHz ITU–R M.1174. to the radiolocation service is on a primary 5.289 Earth exploration-satellite service basis (see No. 5.33). applications, other than the meteorological- 5.286 The band 449.75–450.25 MHz may be satellite service, may also be used in the used for the space operation service (Earth- bands 460–470 MHz and 1690–1710 MHz for to-space) and the space research service space-to-Earth transmissions subject to not (Earth-to-space), subject to agreement ob- causing harmful interference to stations op- tained under No. 9.21. erating in accordance with the Table. 5.286A The use of the bands 454–456 MHz 5.290 Different category of service: in Af- and 459–460 MHz by the mobile-satellite serv- ghanistan, Azerbaijan, Belarus, China, ice is subject to coordination under No. Japan, Mongolia, Uzbekistan, Kyrgyzstan, 9.11A. Slovakia, the Russian Federation, 5.286B The use of the band 454–455 MHz in Tajikistan, Turkmenistan and Ukraine, the the countries listed in No. 5.286D, 455–456 allocation of the band 460–470 MHz to the me- MHz and 459–460 MHz in Region 2, and 454–456 teorological-satellite service (space-to- MHz and 459–460 MHz in the countries listed Earth) is on a primary basis (see No. 5.33), in No. 5.286E, by stations in the mobile-sat- subject to agreement obtained under No. ellite service, shall not cause harmful inter- 9.21. ference to, or claim protection from, stations 5.291 Additional allocation: in China, the of the fixed or mobile services operating in band 470–485 MHz is also allocated to the accordance with the Table of Frequency Al- space research (space-to-Earth) and the locations. space operation (space-to-Earth) services on 5.286C The use of the band 454–455 MHz in a primary basis subject to agreement ob- the countries listed in No. 5.286D, 455–456 tained under No. 9.21 and subject to not caus- MHz and 459–460 MHz in Region 2, and 454–456 ing harmful interference to existing and MHz and 459–460 MHz in the countries listed planned broadcasting stations. in No. 5.286E, by stations in the mobile-sat- 5.291A Additional allocation: in Germany, ellite service, shall not constrain the devel- Austria, Denmark, Estonia, Finland, Liech- opment and use of the fixed and mobile serv- tenstein, Norway, Netherlands, the Czech ices operating in accordance with the Table Rep. and Switzerland, the band 470–494 MHz of Frequency Allocations. is also allocated to the radiolocation service 5.286D Additional allocation: in Canada, the on a secondary basis. This use is limited to United States, Mexico and Panama, the band the operation of wind profiler radars in ac- 454–455 MHz is also allocated to the mobile- cordance with Resolution 217 (WRC–97). satellite service (Earth-to-space) on a pri- 5.292 Different category of service: in Mex- mary basis. ico and Venezuela, the allocation of the band 5.286E Additional allocation: in Cape Verde, 470–512 MHz to the fixed and mobile services, Indonesia, Nepal, Nigeria and Papua New and in Argentina and Uruguay to the mobile Guinea, the bands 454–456 MHz and 459–460 service, is on a primary basis (see No. 5.33), MHz are also allocated to the mobile-sat- subject to agreement obtained under No. ellite (Earth-to-space) service on a primary 9.21. basis. 5.293 Different category of service: in Can- 5.287 In the maritime mobile service, the ada, Chile, Colombia, Cuba, the United frequencies 457.525 MHz, 457.550 MHz, 457.575 States, Guyana, Honduras, Jamaica, Mexico,

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Panama and Peru, the allocation of the 5.306 Additional allocation: in Region 1, ex- bands 470–512 MHz and 614–806 MHz to the cept in the African Broadcasting Area (see fixed and mobile services is on a primary Nos. 5.10 to 5.13), and in Region 3, the band basis (see No. 5.33), subject to agreement ob- 608–614 MHz is also allocated to the radio as- tained under No. 9.21. In Argentina and Ecua- tronomy service on a secondary basis. dor, the allocation of the band 470–512 MHz 5.307 Additional allocation: in India, the to the fixed and mobile services is on a pri- band 608–614 MHz is also allocated to the mary basis (see No. 5.33), subject to agree- radio astronomy service on a primary basis. ment obtained under No. 9.21. 5.309 Different category of service: in Costa 5.294 Additional allocation: in Burundi, Rica, El Salvador and Honduras, the alloca- Cameroon, the Congo, Ethiopia, Israel, tion of the band 614–806 MHz to the fixed Kenya, Lebanon, Libya, Malawi, Senegal, service is on a primary basis (see No. 5.33), Sudan, Syria, and Yemen, the band 470–582 subject to agreement obtained under No. MHz is also allocated to the fixed service on 9.21. a secondary basis. 5.311 Within the frequency band 620–790 5.296 Additional allocation: in Germany, MHz, assignments may be made to television Austria, Belgium, Cyprus, Denmark, Spain, stations using frequency modulation in the Finland, France, Ireland, Israel, Italy, Libya, broadcasting-satellite service subject to Lithuania, Malta, Morocco, Monaco, Nor- agreement between the administrations con- way, the Netherlands, Portugal, Syria, the cerned and those having services, operating United Kingdom, Sweden, Switzerland, Swa- in accordance with the Table, which may be ziland and Tunisia, the band 470–790 MHz is affected (see Resolutions 33 (Rev.WRC–97) also allocated on a secondary basis to the and 507). Such stations shall not produce a land mobile service, intended for applica- power flux-density in excess of the value ¥ 2) for angles of arrival less than tions ancillary to broadcasting. Stations of 129 dB(W/m 20° (see Recommendation 705) within the ter- the land mobile service in the countries list- ritories of other countries without the con- ed in this footnote shall not cause harmful sent of the administrations of those coun- interference to existing or planned stations tries. operating in accordance with the Table in 5.312 Additional allocation: in Armenia, countries other than those listed in this Azerbaijan, Belarus, Bulgaria, Georgia, Hun- footnote. gary, Kazakstan, Latvia, Moldova, Mongolia, 5.297 Additional allocation: in Costa Rica, Uzbekistan, Poland, Kyrgyzstan, Slovakia, Cuba, El Salvador, the United States, Guate- the Czech Rep., Romania, Russian Federa- mala, Guyana, Honduras, Jamaica and Mex- tion, Tajikistan, Turkmenistan and Ukraine, ico, the band 512–608 MHz is also allocated to the band 645–862 MHz is also allocated to the the fixed and mobile services on a primary aeronautical radionavigation service on a basis, subject to agreement obtained under primary basis. No. 9.21. 5.314 Additional allocation: in Austria, 5.298 Additional allocation: in India, the Italy, Moldova, Uzbekistan, the United King- band 549.75–550.25 MHz is also allocated to dom and Swaziland, the band 790–862 MHz is the space operation service (space-to-Earth) also allocated to the land mobile service on on a secondary basis. a secondary basis. 5.300 Additional allocation: in Israel, Libya, 5.315 Alternative allocation: in Greece, Syria and Sudan, the band 582–790 MHz is Italy and Tunisia, the band 790–838 MHz is al- also allocated to the fixed and mobile, except located to the broadcasting service on a pri- aeronautical mobile, services on a secondary mary basis. basis. 5.316 Additional allocation: in Germany, 5.302 Additional allocation: in the United Saudi Arabia, Bosnia and Herzegovina, Kingdom, the band 590–598 MHz is also allo- Burkina Faso, Cameroon, C‘‘te d’Ivoire, Cro- cated to the aeronautical radionavigation atia, Denmark, Egypt, Finland, Israel, service on a primary basis. All new assign- Kenya, The Former Yugoslav Republic of ments to stations in the aeronautical radio- Macedonia, Libya, Liechtenstein, Monaco, navigation service, including those trans- Norway, the Netherlands, Portugal, Syria, ferred from the adjacent bands, shall be sub- Sweden, Switzerland and Yugoslavia, the ject to coordination with the Administra- band 790–830 MHz, and in these same coun- tions of the following countries: Germany, tries and in Spain, France, Gabon and Malta, Belgium, Denmark, Spain, France, Ireland, the band 830–862 MHz, are also allocated to Luxembourg, Morocco, Norway and the the mobile, except aeronautical mobile, serv- Netherlands. ice on a primary basis. However, stations of 5.304 Additional allocation: in the African the mobile service in the countries men- Broadcasting Area (see Nos. 5.10 to 5.13), the tioned in connection with each band referred band 606–614 MHz is also allocated to the to in this footnote shall not cause harmful radio astronomy service on a primary basis. interference to, or claim protection from, 5.305 Additional allocation: in China, the stations of services operating in accordance band 606–614 MHz is also allocated to the with the Table in countries other than those radio astronomy service on a primary basis. mentioned in connection with the band.

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5.317 Additional allocation: in Region 2 Uzbekistan, Poland, Kyrgyzstan, Slovakia, (except Brazil and the United States), the the Czech Rep., Romania, Russian Federa- band 806–890 MHz is also allocated to the motion, Tajikistan, Turkmenistan and Ukraine, bile-satellite service on a primary basis, sub- the band 862–960 MHz is also allocated to the ject to agreement obtained under No. 9.21. aeronautical radionavigation service on a The use of this service is intended for oper- primary basis. Such use is subject to agree- ation within national boundaries. ment obtained under No. 9.21 with adminis- 5.317A Administrations wishing to imple- trations concerned and limited to ground- ment International Mobile Telecommuni- based radiobeacons in operation on 27 Octo- cations-2000 (IMT–2000) may use those parts ber 1997 until the end of their lifetime. of the band 806–960 MHz which are allocated to the mobile service on a primary basis and 5.325 Different category of service: in the are used or planned to be used for mobile United States, the allocation of the band 890– systems (see Resolution 224 (WRC–2000)). 942 MHz to the radiolocation service is on a This identification does not preclude the use primary basis (see No. 5.33), subject to agree- of these bands by any application of the serv- ment obtained under No. 9.21. ices to which they are allocated and does not 5.325A Different category of service: in establish priority in the Radio Regulations. Cuba, the allocation of the band 902–915 MHz 5.318 Additional allocation: in Canada, the to the land mobile service is on a primary United States and Mexico, the ands 849–851 basis. MHz and 894–896 MHz are also allocated to 5.326 Different category of service: in Chile, the aeronautical mobile service on a primary the band 903–905 MHz is allocated to the mo- basis, for public correspondence with air- bile, except aeronautical mobile, service on a craft. The use of the band 849–851 MHz is lim- primary basis, subject to agreement obtained ited to transmissions from aeronautical sta- under No. 9.21. tions and the use of the band 894–896 MHz is 5.327 Different category of service: in Aus- limited to transmissions from aircraft sta- tralia, the allocation of the band 915–928 MHz tions. to the radiolocation service is on a primary 5.319 Additional allocation: in Belarus, Rus- sian Federation and Ukraine, the bands 806– basis (see No. 5.33). 840 MHz (Earth-to-space) and 856–890 MHz 5.328 The use of the band 960–1215 MHz by (space-to-Earth) are also allocated to the the aeronautical radionavigation service is mobile-satellite, except aeronautical mobile- reserved on a worldwide basis for the oper- satellite (R), service. The use of these bands ation and development of airborne electronic by this service shall not cause harmful inter- aids to air navigation and any directly asso- ference to, or claim protection from, services ciated ground-based facilities. in other countries operating in accordance 5.328A Additional allocation: the band 1164– with the Table of Frequency Allocations and 1215 MHz is also allocated to the radio- is subject to special agreements between the navigation-satellite service (space-to-Earth) administrations concerned. (space-to-space) on a primary basis. The ag- 5.320 Additional allocation: in Region 3, the gregate power flux-density produced by all bands 806–890 MHz and 942–960 MHz are also the space stations of all radionavigation-sat- allocated to the mobile-satellite, except ellite systems at the Earth’s surface shall aeronautical mobile-satellite (R), service on not exceed the provisional value of ¥115 a primary basis, subject to agreement ob- dB(W/m2) in any 1 MHz band for all angles of tained under No. 9.21. The use of this service arrival. Stations in the radionavigation-satis limited to operation within national ellite service shall not cause harmful inter- boundaries. In seeking such agreement, ap- ference to, nor claim protection from, sta- propriate protection shall be afforded to tions of the aeronautical-radionavigation services operating in accordance with the service. The provisions of Resolution 605 Table, to ensure that no harmful inter- (WRC–2000) apply. ference is caused to such services. 5.329 Use of the radionavigation-satellite 5.321 Alternative allocation: in Italy, the service in the band 1215–1300 MHz shall be band 838–854 MHz is allocated to the broadcasting service on a primary basis as from 1 subject to the condition that no harmful in- January 1995. terference is caused to, and no protection is 5.322 In Region 1, in the band 862–960 MHz, claimed from, the radionavigation service stations of the broadcasting service shall be authorized under No. 5.331. See also Resolu- operated only in the African Broadcasting tion 606 (WRC–2000). Area (see Nos. 5.10 to 5.13) excluding Algeria, 5.329A Use of systems in the radio- Egypt, Spain, Libya, Morocco, Namibia, Ni- navigation-satellite service (space-to-space) geria, South Africa, Tanzania, Zimbabwe and operating in the bands 1215–1300 MHz and Zambia, subject to agreement obtained 1559–1610 MHz is not intended to provide safe- under No. 9.21. ty service applications, and shall not impose 5.323 Additional allocation: in Armenia, any additional constraints on other systems Azerbaijan, Belarus, Bulgaria, Hungary, or services operating in accordance with the Kazakstan, Latvia, Moldova, Mongolia, Table.

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5.330 Additional allocation: in Angola, borne transponders which transmit only on Saudi Arabia, Bahrain, Bangladesh, Cam- frequencies in these bands and only when ac- eroon, China, the United Arab Emirates, Eri- tuated by radars operating in the same band. trea, Ethiopia, Guyana, India, Indonesia, 5.337A The use of the band 1300–1350 MHz Iran (Islamic Republic of), Iraq, Israel, by earth stations in the radionavigation-sat- Japan, Jordan, Kuwait, Lebanon, Libya, Mo- ellite service and by stations in the radio- rocco, Mozambique, Nepal, Nigeria, Paki- location service shall not cause harmful in- stan, the Philippines, Qatar, Syria, Somalia, terference to, nor constrain the operation Sudan, Sri Lanka, Chad, Togo and Yemen, and development of, the aeronautical-radio- the band 1215–1300 MHz is also allocated to navigation service. the fixed and mobile services on a primary 5.338 In Azerbaijan, Bulgaria, Mongolia, basis. Kyrgyzstan, Slovakia, the Czech Rep., Roma- 5.331 Additional allocation: in Algeria, Ger- nia and Turkmenistan, existing installations many, Austria, Bahrain, Belgium, Benin, of the radionavigation service may continue Bosnia and Herzegovina, Burundi, Cameroon, to operate in the band 1350–1400 MHz. China, Croatia, Denmark, the United Arab 5.339 The bands 1370–1400 MHz, 2640–2655 Emirates, France, Greece, India, Iran MHz, 4950–4990 MHz and 15.20–15.35 GHz are (Islamic Republic of), Iraq, Kenya, The also allocated to the space research (passive) Former Yugoslav Republic of Macedonia, and earth exploration-satellite (passive) Liechtenstein, Luxembourg, Mali, Mauri- services on a secondary basis. tania, Norway, Oman, the Netherlands, Por- 5.340 All emissions are prohibited in the tugal, Qatar, Senegal, Slovenia, Somalia, following bands: Sudan, Sri Lanka, Sweden, Switzerland, Tur- 1400–1427 MHz, key and Yugoslavia, the band 1215–1300 MHz 2690–2700 MHz, except those provided for by is also allocated to the radionavigation serv- Nos. 5.421 and 5.422, ice on a primary basis. 10.68–10.7 GHz, except those provided for by 5.332 In the band 1215–1260 MHz, active No. 5.483, spaceborne sensors in the Earth exploration- 15.35–15.4 GHz, except those provided for by satellite and space research services shall No. 5.511, not cause harmful interference to, claim pro- 23.6–24 GHz, tection from, or otherwise impose con- 31.3–31.5 GHz, straints on operation or development of the 31.5–31.8 GHz, in Region 2, radiolocation service, the radionavigation- 48.94–49.04 GHz,from airborne stations, satellite service and other services allocated 50.2–50.4 GHz,2 except those provided for by on a primary basis. No. 5.555A, 5.333 In the bands 1215–1300 MHz, 3100–3300 52.6–54.25 GHz, MHz, 5250–5350 MHz, 8550–8650 MHz, 9500–9800 86–92 GHz, MHz and 13.4–14.0 GHz, radiolocation stations 100–102 GHz, installed on spacecraft may also be employed 109.5–111.8 GHz, for the earth exploration-satellite and space 114.25–116 GHz, research services on a secondary basis. 148.5–151.5 GHz, (SUP–WRC–97) 164–167 GHz, 5.334 Additional allocation: in Canada and 182–185 GHz, except those provided for by No. the United States, the bands 1240–1300 MHz 5.563, and 1350–1370 MHz are also allocated to the 190–191.8 GHz, aeronautical radionavigation service on a 200–209 GHz, primary basis. 226–231.5 GHz, 5.335 In Canada and the United States in 250–252 GHz. the band 1240–1300 MHz, active spaceborne 5.341 In the bands 1400–1727 MHz, 101–120 sensors in the earth exploration-satellite and GHz and 197–220 GHz, passive research is space research services shall not cause inter- being conducted by some countries in a pro- ference to, claim protection from, or other- gramme for the search for intentional emis- wise impose constraints on operation or de- sions of extraterrestrial origin. velopment of the aeronautical radio- 5.342 Additional allocation: in Armenia, navigation service. Azerbaijan, Belarus, Bulgaria, Uzbekistan, 5.335A In the band 1260–1300 MHz, active Kyrgystan, the Russian Federation and spaceborne sensors in the Earth exploration- Ukraine, the band 1429–1535 MHz is also allo- satellite and space research services shall cated to the aeronautical mobile service on a not cause harmful interference to, claim protection from, or otherwise impose constraints on operation or development of the 2 5.340.1 The allocation to the earth explo- radiolocation service and other services allo- ration-satellite service (passive) and the cated by footnotes on a primary basis. space research service (passive) in the band 5.337 The use of the bands 1300–1350 MHz, 50.2–50.4 GHz should not impose undue con- 2700–2900 MHz and 9000–9200 MHz by the aero- straints on the use of the adjacent bands by nautical radionavigation service is restricted the primary allocated services in those to ground-based radars and to associated air- bands.

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primary basis exclusively for the purposes of 5.350 Additional allocation: in Azerbaijan, aeronautical telemetry within the national Kyrgyzstan and Turkmenistan, the band territory. As of 1 April 2007, the use of the 1525–1530 MHz is also allocated to the aero- band 1452–1492 MHz is subject to agreement nautical mobile service on a primary basis. between the administrations concerned. 5.351 The bands 1525–1544 MHz, 1545–1559 5.343 In Region 2, the use of the band 1435– MHz, 1626.5–1645.5 MHz and 1646.5–1660.5 MHz 1535 MHz by the aeronautical mobile service shall not be used for feeder links of any serv- for telemetry has priority over other uses by ice. In exceptional circumstances, however, the mobile service. an earth station at a specified fixed point in 5.344 Alternative allocation: in the United any of the mobile-satellite services may be States, the band 1452–1525 MHz is allocated authorized by an administration to commu- to the fixed and mobile services on a primary nicate via space stations using these bands. basis (see also No. 5.343). 5.351A For the use of the bands 1525–1544 5.345 Use of the band 1452–1492 MHz by the MHz, 1545–1559 MHz, 1610–1626.5 MHz, 1626.5– broadcasting-satellite service, and by the 1645.5 MHz, 1646.5–1660.5 MHz, 1980–2010 MHz, broadcasting service, is limited to digital 2170–2200 MHz, 2483.5–2500 MHz, 2500–2520 MHz audio broadcasting and is subject to the pro- and 2670–2690 MHz by the mobile-satellite visions of Resolution 528 (WARC–92). service, see Resolutions 212 (Rev.WRC–97) and 225 (WRC–2000). 5.347 Different category of service: in Ban- 5.352A In the band 1525–1530 MHz, stations gladesh, Bosnia and Herzegovina, Botswana, in the mobile-satellite service, except sta- Bulgaria, Burkina Faso, Cuba, Denmark, tions in the maritime mobile-satellite serv- Egypt, Greece, Ireland, Italy, Kenya, Mozam- ice, shall not cause harmful interference to, bique, Portugal, Sri Lanka, Swaziland, or claim protection from, stations of the Yemen, Yugoslavia and Zimbabwe, the allo- fixed service in France and French overseas cation of the band 1452–1492 MHz to the territories in Region 3, Algeria, Saudi Ara- broadcasting-satellite service and the broad- bia, Egypt, Guinea, India, Israel, Italy, Jor- casting service is on a secondary basis until dan, Kuwait, Mali, Malta, Morocco, Mauri- 1 April 2007. tania, Nigeria, Oman, Pakistan, Philippines, 5.348 The use of the band 1492–1525 MHz by Qatar, Syria, Tanzania, Viet Nam and the mobile-satellite service is subject to co- Yemen notified prior to 1 April 1998. ordination under No. 9.11A. However, no co- 5.353A In applying the procedures of Sec- ordination threshold in Article 21 for space tion II of Article 9 to the mobile-satellite stations of the mobile-satellite service with service in the bands 1530–1544 MHz and 1626.5– respect to terrestrial services shall apply to 1645.5 MHz, priority shall be given to accom- the situation referred to in No. 5.343. With modating the spectrum requirements for dis- respect to the situation referred to in No. tress, urgency and safety communications of 5.343, the requirement for coordination in the the Global Maritime Distress and Safety band 1492–1525 MHz will be determined by System (GMDSS). Maritime mobile-satellite band overlap. distress, urgency and safety communications 5.348A In the band 1492–1525 MHz, the co- shall have priority access and immediate ordination threshold in terms of the power availability over all other mobile satellite flux-density levels at the surface of the communications operating within a network. Earth in application of No. 9.11A for space Mobile-satellite systems shall not cause un- stations in the mobile-satellite (space-to- acceptable interference to, or claim protec- Earth) service, with respect to the land motion from, distress, urgency and safety com- bile service use for specialized mobile radios munications of the GMDSS. Account shall be or used in conjunction with public switched taken of the priority of safety-related com- telecommunication networks (PSTN) oper- munications in the other mobile-satellite ating within the territory of Japan, shall be services. (The provisions of Resolution 222 -150 dB(W/m2) in any 4 kHz band for all an- (WRC–2000) shall apply.) gles of arrival, instead of those given in 5.354 The use of the bands 1525–1559 MHz Table 5–2 of Appendix 5. The above threshold and 1626.5–1660.5 MHz by the mobile-satellite level of the power flux-density shall apply services is subject to coordination under No. until it is changed by a competent world 9.11A. radiocommunication conference. 5.355 Additional allocation: in Bahrain, 5.349 Different category of service: in Saudi Bangladesh, Congo, Egypt, Eritrea, Iraq, Arabia, Azerbaijan, Bahrain, Bosnia and Israel, Jordan, Kuwait, Lebanon, Malta, Mo- Herzegovina, Cameroon, Egypt, France, Iran rocco, Qatar, Syria, Somalia, Sudan, Chad, (Islamic Republic of), Iraq, Israel, Togo and Yemen, the bands 1540–1559 MHz, Kazakstan, Kuwait, The Former Yugoslav 1610–1645.5 MHz and 1646.5–1660 MHz are also Republic of Macedonia, Lebanon, Morocco, allocated to the fixed service on a secondary Qatar, Syria, Kyrgyzstan, Romania, basis. Turkmenistan, Yemen and Yugoslavia, the 5.356 The use of the band 1544–1545 MHz by allocation of the band 1525–1530 MHz to the the mobile-satellite service (space-to-Earth) mobile, except aeronautical mobile, service is limited to distress and safety communica- is on a primary basis (see No. 5.33). tions (see Article 31).

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5.357 Transmissions in the band 1545–1555 Spain, France, Gabon, Georgia, Greece, MHz from terrestrial aeronautical stations Guinea, Guinea-Bissau, Hungary, Kazakstan, directly to aircraft stations, or between air- Latvia, Lithuania, Moldova, Mongolia, Nige- craft stations, in the aeronautical mobile (R) ria, Uganda, Uzbekistan, Pakistan, Poland, service are also authorized when such trans- Kyrgyzstan, the Dem. People’s Rep. of missions are used to extend or supplement Korea, Romania, the Russian Federation, the satellite-to-aircraft links. Senegal, Swaziland, Tajikistan, Tanzania, 5.357A In applying the procedures of Sec- Turkmenistan and Ukraine, and until 1 Jan- tion II of Article 9 to the mobile-satellite uary 2010 in Saudi Arabia, Cameroon, Jor- service in the bands 1545–1555 MHz and 1646.5– dan, Kuwait, Lebanon, Libya, Mali, Morocco, 1656.5 MHz, priority shall be given to accom- Mauritania, Syria and Tunisia. After these modating the spectrum requirements of the dates, the fixed service may continue to op- aeronautical mobile-satellite (R) service pro- erate on a secondary basis until 1 January viding transmission of messages with pri- 2015, at which time this allocation shall no ority 1 to 6 in Article 44. Aeronautical mo- longer be valid. Administrations are urged to bile-satellite (R) service communications take all practicable steps to protect the with priority 1 to 6 in Article 44 shall have radionavigation-satellite service and the priority access and immediate availability, aeronautical radionavigation service and not by pre-emption if necessary, over all other authorize new frequency assignments to mobile-satellite communications operating fixed-service systems in this band. within a network. Mobile-satellite systems 5.362C Additional allocation: in Bahrain, shall not cause unacceptable interference to, Bangladesh, Congo, Egypt, Eritrea, Iraq, or claim protection from, aeronautical mo- Israel, Jordan, Kuwait, Lebanon, Malta, Mo- bile-satellite (R) service communications rocco, Qatar, Syria, Somalia, Sudan, Chad, with priority 1 to 6 in Article 44. Account Togo and Yemen, the band 1559–1610 MHz is shall be taken of the priority of safety-re- also allocated to the fixed service on a sec- lated communications in the other mobile- ondary basis until 1 January 2015, at which satellite services. (The provisions of Resolu- time this allocation shall no longer be valid. tion 222 (WRC–2000) shall apply.) Administrations are urged to take all prac- 5.359 Additional allocation: in Germany, ticable steps to protect the radionavigation- Saudi Arabia, Armenia, Austria, Azerbaijan, satellite service and not authorize new fre- Belarus, Benin, Bosnia and Herzegovina, Bul- quency assignments to fixed-service systems garia, Cameroon, Spain, France, Gabon, in this band. Georgia, Greece, Guinea, Guinea-Bissau, Hungary, Jordan, Kazakstan, Kuwait, Lat- 5.363 Alternative allocation: in Sweden, the via, Lebanon, Libya, Lithuania, Mali, Mo- band 1590–1626.5 MHz is allocated to the aero- rocco, Mauritania, Moldova, Mongolia, Nige- nautical radionavigation service on a pri- ria, Uganda, Uzbekistan, Pakistan, Poland, mary basis. Syria, Kyrgyzstan, the Dem. People’s Rep. of 5.364 The use of the band 1610–1626.5 MHz Korea, Romania, the Russian Federation, by the mobile-satellite service (Earth-to- Senegal, Swaziland, Tajikistan, Tanzania, space) and by the radiodetermination-sat- Tunisia, Turkmenistan and Ukraine, the ellite service (Earth-to-space) is subject to bands 1550–1559 MHz, 1610–1645.5 MHz and coordination under No. 9.11A. A mobile earth 1646.5–1660 MHz are also allocated to the station operating in either of the services in fixed service on a primary basis. Administra- this band shall not produce a peak e.i.r.p. tions are urged to make all practicable ef- density in excess of ¥15 dB(W/4 kHz) in the forts to avoid the implementation of new part of the band used by systems operating fixed-service stations in these bands. in accordance with the provisions of No. 5.366 5.362A In the United States, in the bands (to which No. 4.10 applies), unless otherwise 1555–1559 MHz and 1656.5–1660.5 MHz, the aero- agreed by the affected administrations. In nautical mobile-satellite (R) service shall the part of the band where such systems are have priority access and immediate avail- not operating, the mean e.i.r.p. density of a ability, by pre-emption if necessary, over all mobile earth station shall not exceed ¥3 other mobile-satellite communications oper- dB(W/4 kHz). Stations of the mobile-satellite ating within a network. Mobile-satellite sys- service shall not claim protection from sta- tems shall not cause unacceptable inter- tions in the aeronautical radionavigation ference to, or claim protection from, aero- service, stations operating in accordance nautical mobile-satellite (R) service commu- with the provisions of No. 5.366 and stations nications with priority 1 to 6 in Article 44. in the fixed service operating in accordance Account shall be taken of the priority of with the provisions of No. 5.359. Administra- safety-related communications in the other tions responsible for the coordination of mo- mobile-satellite services. bile-satellite networks shall make all prac- 5.362B Additional allocation: The band 1559– ticable efforts to ensure protection of sta- 1610 MHz is also allocated to the fixed service tions operating in accordance with the provi- on a primary basis until 1 January 2005 in sions of No. 5.366. Germany, Armenia, Azerbaijan, Belarus, 5.365 The use of the band 1613.8–1626.5 MHz Benin, Bosnia and Herzegovina, Bulgaria, by the mobile-satellite service (space-to-

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Earth) is subject to coordination under No. 5.376A Mobile earth stations operating in 9.11A. the band 1660–1660.5 MHz shall not cause 5.366 The band 1610–1626.5 MHz is reserved harmful interference to stations in the radio on a worldwide basis for the use and develop- astronomy service. ment of airborne electronic aids to air navi- 5.377 In the band 1675–1710 MHz, stations gation and any directly associated ground- in the mobile-satellite service shall not based or satellite-borne facilities. Such sat- cause harmful interference to, nor constrain ellite use is subject to agreement obtained the development of, the meteorological-sat- under No. 9.21. ellite and meteorological aids services (see 5.367 Additional allocation: The bands 1610– Resolution 213 (Rev.WRC–95) 3) and the use of 1626.5 MHz and 5000–5150 MHz are also allo- this band shall be subject to coordination cated to the aeronautical mobile-satellite under No. 9.11A. (R) service on a primary basis, subject to 5.379 Additional allocation: in Bangladesh, agreement obtained under No. 9.21. India, Indonesia, Nigeria and Pakistan, the 5.368 With respect to the radiodetermin- band 1660.5–1668.4 MHz is also allocated to ation-satellite and mobile-satellite services the meteorological aids service on a sec- the provisions of No. 4.10 do not apply in the ondary basis. band 1610–1626.5 MHz, with the exception of 5.379A Administrations are urged to give the aeronautical radionavigation-satellite all practicable protection in the band 1660.5– service. 1668.4 MHz for future research in radio as- 5.369 Different category of service: in An- tronomy, particularly by eliminating air-to- gola, Australia, Burundi, China, Coˆ te ground transmissions in the meteorological d’Ivoire, Eritrea, Ethiopia, India, Iran aids service in the band 1664.4–1668.4 MHz as (Islamic Republic of), Israel, Jordan, Leb- soon as practicable. anon, Liberia, Libya, Madagascar, Mali, 5.380 The bands 1670–1675 MHz and 1800– Pakistan, Papua New Guinea, Dem. Rep. of 1805 MHz are intended for use, on a world- the Congo, Syria, Senegal, Sudan, Swaziland, wide basis, by administrations wishing to Togo and Zambia, the allocation of the band implement aeronautical public correspond- 1610–1626.5 MHz to the radiodetermination- ence. The use of the band 1670–1675 MHz by satellite service (Earth-to-space) is on a pri- stations in the systems for public cor- mary basis (see No. 5.33), subject to agree- respondence with aircraft is limited to trans- ment obtained under No. 9.21 from countries missions from aeronautical stations and the not listed in this provision. use of the band 1800–1805 MHz is limited to 5.370 Different category of service: in Ven- transmissions from aircraft stations. ezuela, the allocation to the radiodetermin- 5.381 Additional allocation: in Afghanistan, ation-satellite service in the band 1610–1626.5 Costa Rica, Cuba, India, Iran (Islamic Repub- MHz (Earth-to-space) is on a secondary basis. lic of), Malaysia, Pakistan and Sri Lanka, 5.371 Additional allocation: in Region 1, the the band 1690–1700 MHz is also allocated to bands 1610–1626.5 MHz (Earth-to-space) and the fixed and mobile, except aeronautical 2483.5–2500 MHz (space-to-Earth) are also al- mobile, services on a primary basis. located to the radiodetermination-satellite 5.382 Different category of service: in Saudi service on a secondary basis, subject to Arabia, Armenia, Austria, Azerbaijan, Bah- agreement obtained under No. 9.21. rain, Belarus, Bosnia and Herzegovina, Bul- 5.372 Harmful interference shall not be garia, the Congo, Egypt, the United Arab caused to stations of the radio astronomy Emirates, Eritrea, Ethiopia, Guinea, Hun- service using the band 1610.6–1613.8 MHz by gary, Iraq, Israel, Jordan, Kazakstan, Ku- stations of the radiodetermination-satellite wait, the Former Yugoslav Republic of Mac- and mobile-satellite services (No. 29.13 ap- edonia, Lebanon, Mauritania, Moldova, Mon- plies). 5.374 Mobile earth stations in the mobile- golia, Oman, Uzbekistan, Poland, Qatar, satellite service operating in the bands Syria, Kyrgyzstan, Romania, Russian Fed- 1631.5–1634.5 MHz and 1656.5–1660 MHz shall eration, Somalia, Tajikistan, Tanzania, not cause harmful interference to stations in Turkmenistan, Ukraine, Yemen and Yugo- the fixed service operating in the countries slavia, the allocation of the band 1690–1700 listed in No. 5.359. MHz to the fixed and mobile, except aero- 5.375 The use of the band 1645.5–1646.5 MHz nautical mobile, services is on a primary by the mobile-satellite service (Earth-to- basis (see No. 5.33), and in the Dem. People’s space) and for inter-satellite links is limited Rep. of Korea, the allocation of the band to distress and safety communications (see 1690–1700 MHz to the fixed service is on a pri- Article 31). mary basis (see No. 5.33) and to the mobile, 5.376 Transmissions in the band 1646.5– except aeronautical mobile, service on a sec- 1656.5 MHz from aircraft stations in the aero- ondary basis. nautical mobile (R) service directly to ter- 5.384 Additional allocation: in India, Indo- restrial aeronautical stations, or between nesia and Japan, the band 1700–1710 MHz is aircraft stations, are also authorized when such transmissions are used to extend or 3 Note by the Secretariat: This Resolution supplement the aircraft-to-satellite links. was abrogated by WRC–2000.

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also allocated to the space research service 5.389B The use of the band 1980–1990 MHz (space-to-Earth) on a primary basis. by the mobile-satellite service shall not 5.384A The bands, or portions of the cause harmful interference to or constrain bands, 1710–1885 MHz and 2500–2690 MHz, are the development of the fixed and mobile identified for use by administrations wishing services in Argentina, Brazil, Canada, Chile, to implement International Mobile Tele- Ecuador, the United States, Honduras, Ja- communications-2000 (IMT–2000) in accord- maica, Mexico, Peru, Suriname, Trinidad ance with Resolution 223 (WRC–2000). This and Tobago, Uruguay and Venezuela. identification does not preclude the use of 5.389C The use of the bands 2010–2025 MHz these bands by any application of the serv- and 2160–2170 MHz in Region 2 by the mobile- ices to which they are allocated and does not satellite service shall not commence before 1 establish priority in the Radio Regulations. January 2002 and is subject to coordination 5.385 Additional allocation: the band 1718.8– under No. 9.11A and to the provisions of Res- 1722.2 MHz is also allocated to the radio as- olution 716 (WRC–95) 4. tronomy service on a secondary basis for 5.389D In Canada and the United States spectral line observations. the use of the bands 2010–2025 MHz and 2160– 5.386 Additional allocation: the band 1750– 2170 MHz by the mobile-satellite service 1850 MHz is also allocated to the space oper- shall not commence before 1 January 2000. ation (Earth-to-space) and space research 5.389E The use of the bands 2010–2025 MHz (Earth-to-space) services in Region 2, in Aus- and 2160–2170 MHz by the mobile-satellite tralia, India, Indonesia and Japan on a pri- service in Region 2 shall not cause harmful mary basis, subject to agreement obtained interference to or constrain the development under No. 9.21, having particular regard to of the fixed and mobile services in Regions 1 troposcatter systems. and 3. 5.387 Additional allocation: in Azerbaijan, 5.389F In Algeria, Benin, Cape Verde, Belarus, Georgia, Kazakstan, Mali, Mon- Egypt, Iran (Islamic Republic of), Mali, golia, Kyrgyzstan, Slovakia, Romania, Syria and Tunisia, the use of the bands 1980– Tajikistan and Turkmenistan, the band 1770– 2010 MHz and 2170–2200 MHz by the mobile- 1790 MHz is also allocated to the meteorolog- satellite service shall neither cause harmful ical-satellite service on a primary basis, sub- interference to the fixed and mobile services, ject to agreement obtained under No. 9.21. nor hamper the development of those serv- 5.388 The bands 1885–2025 MHz and 2110– ices prior to 1 January 2005, nor shall the 2200 MHz are intended for use, on a world- former service request protection from the wide basis, by administrations wishing to latter services. implement International Mobile Tele- 5.390 In Argentina, Brazil, Chile, Colom- communications-2000 (IMT–2000). Such use bia, Cuba, Ecuador, Suriname and Uruguay, does not preclude the use of these bands by the use of the bands 2010–2025 MHz and 2160– other services to which they are allocated. 2170 MHz by the mobile-satellite services The bands should be made available for IMT– shall not cause harmful interference to sta- 2000 in accordance with Resolution 212 tions in the fixed and mobile services before (Rev.WRC–97). (See also Resolution 223 1 January 2005. After this date, the use of (WRC–2000).) these bands is subject to coordination under 5.388A In Regions 1 and 3, the bands 1885– No. 9.11A and to the provisions of Resolution 1980 MHz, 2010–2025 MHz and 2110–2170 MHz 716 (WRC–95).5 and, in Region 2, the bands 1885–1980 MHz and 2110–2160 MHz may be used by high altitude 5.391 In making assignments to the mo- platform stations as base stations to provide bile service in the bands 2025–2110 MHz and International Mobile Telecommunications- 2200–2290 MHz, administrations shall not in- 2000 (IMT–2000), in accordance with Resolu- troduce high-density mobile systems, as de- tion 221 (WRC–2000). The use by IMT–2000 ap- scribed in Recommendation ITU–R SA.1154, plications using high altitude platform sta- and shall take that Recommendation into tions as base stations does not preclude the account for the introduction of any other use of these bands by any station in the serv- type of mobile system. ices to which they are allocated and does not 5.392 Administrations are urged to take establish priority in the Radio Regulations. all practicable measures to ensure that 5.389A The use of the bands 1980–2010 MHz space-to-space transmissions between two or and 2170–2200 MHz by the mobile-satellite more non-geostationary satellites, in the service is subject to coordination under No. space research, space operations and Earth 9.11A and to the provisions of Resolution 716 exploration-satellite services in the bands (WRC–95) 4. The use of these bands shall not 2025–2110 MHz and 2200–2290 MHz, shall not commence before 1 January 2000; however impose any constraints on Earth-to-space, the use of the band 1980–1990 MHz in Region space-to-Earth and other space-to-space 2 shall not commence before 1 January 2005. transmissions of those services and in those

4 Note by the Secretariat: This Resolution 5 Note by the Secretariat: This Resolution was revised by WRC–2000. was revised by WRC–2000.

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bands between geostationary and non-geo- Guinea, Dem. Rep. of the Congo, Syria, stationary satellites. Sudan, Swaziland, Togo and Zambia, the al- 5.392A Additional allocation: in Russian location of the band 2483.5–2500 MHz to the Federation, the band 2160–2200 MHz is also al- radiodetermination-satellite service (space- located to the space research service (space- to-Earth) is on a primary basis (see No. 5.33), to-Earth) on a primary basis until 1 January subject to agreement obtained under No. 9.21 2005. Stations in the space research service from countries not listed in this provision. shall not cause harmful interference to, or 5.402 The use of the band 2483.5–2500 MHz claim protection from, stations in the fixed by the mobile-satellite and the radio- and mobile services operating in this fre- determination-satellite services is subject to quency band. the coordination under No. 9.11A. Adminis- 5.393 Additional allocation: in the United trations are urged to take all practicable States, India and Mexico, the band 2310–2360 steps to prevent harmful interference to the MHz is also allocated to the broadcasting- radio astronomy service from emissions in satellite service (sound) and complementary the 2483.5–2500 MHz band, especially those terrestrial sound broadcasting service on a caused by second-harmonic radiation that primary basis. Such use is limited to digital would fall into the 4990–5000 MHz band allo- audio broadcasting and is subject to the pro- cated to the radio astronomy service world- visions of Resolution 528 (WARC–92), with wide. the exception of resolves 3 in regard to the 5.403 Subject to agreement obtained under limitation on broadcasting-satellite systems No. 9.21, the band 2520–2535 MHz (until 1 Jan- in the upper 25 MHz. uary 2005 the band 2500–2535 MHz) may also 5.394 In the United States, the use of the be used for the mobile-satellite (space-to- band 2300–2390 MHz by the aeronautical mo- Earth), except aeronautical mobile-satellite, bile service for telemetry has priority over service for operation limited to within na- other uses by the mobile services. In Canada, tional boundaries. The provisions of No. the use of the band 2300–2483.5 MHz by the 9.11A apply. aeronautical mobile service for telemetry 5.404 Additional allocation: in India and has priority over other uses by the mobile Iran (Islamic Republic of), the band 2500– services. 2516.5 MHz may also be used for the radio- 5.395 In France, the use of the band 2310– determination-satellite service (space-to- 2360 MHz by the aeronautical mobile service Earth) for operation limited to within na- for telemetry has priority over other uses by tional boundaries, subject to agreement ob- the mobile service. tained under No. 9.21. 5.396 Space stations of the broadcasting- 5.405 Additional allocation: in France, the satellite service in the band 2310–2360 MHz band 2500–2550 MHz is also allocated to the operating in accordance with No. 5.393 that radiolocation service on a primary basis. may affect the services to which this band is Such use is subject to agreement with the allocated in other countries shall be coordi- administrations having services operating or nated and notified in accordance with Reso- planned to operate in accordance with the lution 33 (Rev.WRC–97). Complementary ter- Table which may be affected. restrial broadcasting stations shall be sub- 5.407 In the band 2500–2520 MHz, the power ject to bilateral coordination with flux-density at the surface of the Earth from neighbouring countries prior to their bring- space stations operating in the mobile-sat- ing into use. ellite (space-to-Earth) service shall not ex- 5.397 Different category of service: in ceed ¥152 dB(W/(m2 4 kHz)) in Argentina, un- France, the band 2450–2500 MHz is allocated less otherwise agreed by the administrations on a primary basis to the radiolocation serv- concerned. ice (see No. 5.33). Such use is subject to 5.409 Administrations shall make all prac- agreement with administrations having serv- ticable efforts to avoid developing new tro- ices operating or planned to operate in ac- pospheric scatter systems in the band 2500– cordance with the Table of Frequency Allo- 2690 MHz. cations which may be affected. 5.410 The band 2500–2690 MHz may be used 5.398 In respect of the radiodetermin- for tropospheric scatter systems in Region 1, ation-satellite service in the band 2483.5–2500 subject to agreement obtained under No. MHz, the provisions of No. 4.10 do not apply. 9.21. 5.399 In Region 1, in countries other than 5.411 When planning new tropospheric those listed in No. 5.400, harmful interference scatter radio-relay links in the band 2500– shall not be caused to, or protection shall 2690 MHz, all possible measures shall be not be claimed from, stations of the radio- taken to avoid directing the antennae of location service by stations of the radio- these links towards the geostationary-sat- determination satellite service. ellite orbit. 5.400 Different category of service: in An- 5.412 Alternative allocation: in Azerbaijan, gola, Australia, Bangladesh, Burundi, China, Bulgaria, Kyrgyzstan and Turkmenistan, the Eritrea, Ethiopia, India, Iran (Islamic Re- band 2500–2690 MHz is allocated to the fixed public of), Jordan, Lebanon, Liberia, Libya, and mobile, except aeronautical mobile, Madagascar, Mali, Pakistan, Papua New services on a primary basis.

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5.413 In the design of systems in the considered to have been received before 3 broadcasting-satellite service in the bands June 2000. Use of the band by non-geo- between 2500 MHz and 2690 MHz, administra- stationary-satellite systems in the broad- tions are urged to take all necessary steps to casting-satellite service (sound) is subject to protect the radio astronomy service in the the provisions of Resolution 539 (WRC–2000), band 2690–2700 MHz. and such systems shall be in accordance with 5.414 The allocation of the frequency band Resolution 528 (WARC–92). 2500–2520 MHz to the mobile-satellite service 5.418B Use of the band 2630–2655 MHz by (space-to-Earth) shall be effective on 1 Janu- non-geostationary-satellite systems for ary 2005 and is subject to coordination under which complete Appendix 4 coordination in- No. 9.11A. formation, or notification information, has 5.415 The use of the bands 2500–2690 MHz been received after 2 June 2000, is subject to in Region 2 and 2500–2535 MHz and 2655–2690 the application of the provisions of No. 9.12. MHz in Region 3 by the fixed-satellite serv- Resolution 539 (WRC–2000) applies. ice is limited to national and regional sys- 5.418C Use of the band 2630–2655 MHz by tems, subject to agreement obtained under geostationary-satellite networks for which No. 9.21, giving particular attention to the complete Appendix 4 coordination informa- broadcasting-satellite service in Region 1. In tion, or notification information, has been the direction space-to-Earth, the power flux- received after 2 June 2000 is subject to the density at the Earth’s surface shall not ex- application of the provisions of No. 9.13 with ceed the values given in Article 21, Table 21– respect to non-geostationary-satellite sys- 4. tems in the broadcasting-satellite service 5.415A Additional allocation: in India and (sound), and No. 22.2 does not apply. Resolu- Japan, subject to agreement obtained under tion 539 (WRC–2000) applies. No. 9.21, the band 2515–2535 MHz may also be 5.419 The allocation of the frequency band used for the aeronautical mobile-satellite 2670–2690 MHz to the mobile-satellite service service (space-to-Earth) for operation lim- shall be effective from 1 January 2005. When ited to within their national boundaries. 5.416 The use of the band 2520–2670 MHz by introducing systems of the mobile-satellite the broadcasting-satellite service is limited service in this band, administrations shall to national and regional systems for commu- take all necessary steps to protect the sat- nity reception, subject to agreement ob- ellite systems operating in this band prior to tained under No. 9.21. The power flux-density 3 March 1992. The coordination of mobile-sat- at the Earth’s surface shall not exceed the ellite systems in the band shall be in accord- values given in Article 21, Table 21–4. ance with No. 9.11A. 5.418 Additional allocation: in Bangladesh, 5.420 The band 2655–2670 MHz (until 1 Jan- Belarus, Korea (Rep. of), India, Japan, Paki- uary 2005 the band 2655–2690 MHz) may also stan, Singapore, Sri Lanka and Thailand, the be used for the mobile-satellite (Earth-to- band 2535–2655 MHz is also allocated to the space), except aeronautical mobile-satellite, broadcasting-satellite service (sound) and service for operation limited to within na- complementary terrestrial broadcasting tional boundaries, subject to agreement ob- service on a primary basis. Such use is lim- tained under No. 9.21. The coordination ited to digital audio broadcasting and is sub- under No. 9.11A applies. ject to the provisions of Resolution 528 5.420A Additional allocation: in India and (WARC–92). The provisions of No. 5.416 and Japan, subject to agreement obtained under Table 21–4 of Article 21, do not apply to this No. 9.21, the band 2670–2690 MHz may also be additional allocation. Use of non-geo- used for the aeronautical mobile-satellite stationary-satellite systems in the broad- service (Earth-to-space) for operation lim- casting-satellite service (sound) is subject to ited to within their national boundaries. Resolution 539 (WRC–2000). 5.421 Additional allocation: in Germany and 5.418A In certain Region 3 countries listed Austria, the band 2690–2695 MHz is also allo- in No. 5.418, use of the band 2630–2655 MHz by cated to the fixed service on a primary basis. non-geostationary-satellite systems in the Such use is limited to equipment in oper- broadcasting-satellite service (sound) for ation by 1 January 1985. which complete Appendix 4 coordination in- 5.422 Additional allocation: in Saudi Ara- formation, or notification information, has bia, Armenia, Azerbaijan, Bahrain, Belarus, been received after 2 June 2000, is subject to Bosnia and Herzegovina, Brunei Darussalam, the application of the provisions of No. 9.12A, Congo, Cote d’Ivoire, Cuba, Egypt, the in respect of geostationary-satellite net- United Arab Emirates, Eritrea, Ethiopia, works for which complete Appendix 4 coordi- Gabon, Georgia, Guinea, Guinea-Bissau, Iran nation information, or notification informa- (Islamic Republic of), Iraq, Israel, Jordan, tion, is considered to have been received Lebanon, Malaysia, Mali, Mauritania, after 2 June 2000, and No. 22.2 does not apply. Moldova, Mongolia, Nigeria, Oman, No. 22.2 shall continue to apply with respect Uzbekistan, Pakistan, the Philippines, to geostationary-satellite networks for Qatar, Syria, Kyrgyzstan, the Dem. Rep. of which complete Appendix 4 coordination in- the Congo, Romania, the Russian Federa- formation, or notification information, is tion, Somalia, Tajikistan, Tunisia,

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Turkmenistan, Ukraine, Yemen and Yugo- ations by 1985. Thereafter, administrations slavia, the band 2690–2700 MHz is also allo- shall take all practicable steps to protect the cated to the fixed and mobile, except aero- fixed-satellite service and coordination re- nautical mobile, services on a primary basis. quirements shall not be imposed on the Such use is limited to equipment in oper- fixed-satellite service. ation by 1 January 1985. 5.435 In Japan, in the band 3620–3700 MHz, 5.423 In the band 2700–2900 MHz, ground- the radiolocation service is excluded. based radars used for meteorological pur- 5.438 Use of the band 4200–4400 MHz by the poses are authorized to operate on a basis of aeronautical radionavigation service is re- equality with stations of the aeronautical served exclusively for radio altimeters in- radionavigation service. stalled on board aircraft and for the associ- 5.424 Additional allocation: in Canada, the band 2850–2900 MHz is also allocated to the ated transponders on the ground. However, maritime radionavigation service, on a pri- passive sensing in the earth exploration-sat- mary basis, for use by shore-based radars. ellite and space research services may be au- 5.425 In the band 2900–3100 MHz, the use of thorized in this band on a secondary basis the shipborne interrogator-transponder sys- (no protection is provided by the radio altim- tem (SIT) shall be confined to the sub-band eters). 2930–2950 MHz. 5.439 Additional allocation: in Iran (Islamic 5.426 The use of the band 2900–3100 MHz by Republic of) and Libya, the band 4200–4400 the aeronautical radionavigation service is MHz is also allocated to the fixed service on limited to ground-based radars. a secondary basis. 5.427 In the bands 2900–3100 MHz and 9300– 5.440 The standard frequency and time 9500 MHz, the response from radar tran- signal-satellite service may be authorized to sponders shall not be capable of being con- use the frequency 4202 MHz for space-to- fused with the response from radar beacons Earth transmissions and the frequency 6427 (racons) and shall not cause interference to MHz for Earth-to-space transmissions. Such ship or aeronautical radars in the radio- transmissions shall be confined within the navigation service, having regard, however, limits of ± 2 MHz of these frequencies, sub- to No. 4.9. ject to agreement obtained under No. 9.21. 5.428 Additional allocation: in Azerbaijan, 5.441 The use of the bands 4500–4800 MHz Bulgaria, Cuba, Mongolia, Kyrgyzstan, Ro- (space-to-Earth), 6725–7025 MHz (Earth-to- mania and Turkmenistan, the band 3100–3300 space) by the fixed-satellite service shall be MHz is also allocated to the radionavigation in accordance with the provisions of Appen- service on a primary basis. dix 30B. The use of the bands 10.7–10.95 GHz 5.429 Additional allocation: in Saudi Ara- (space-to-Earth), 11.2–11.45 GHz (space-to- bia, Bahrain, Bangladesh, Brunei Earth) and 12.75–13.25 GHz (Earth-to-space) Darussalam, China, the Congo, Korea (Rep. by geostationary-satellite systems in the of), the United Arab Emirates, India, Indo- fixed-satellite service shall be in accordance nesia, Iran (Islamic Republic of), Iraq, Israel, Japan, Jordan, Kuwait, Lebanon, Libya, Ma- with the provisions of Appendix 30B. The use laysia, Oman, Pakistan, Qatar, Syria, Dem. of the bands 10.7–10.95 GHz (space-to Earth), People’s Rep. of Korea and Yemen, the band 11.2–11.45 GHz (space-to-Earth) and 12.75–13.25 3300–3400 MHz is also allocated to the fixed GHz (Earth-to-space) by a non-geo- and mobile services on a primary basis. The stationary-satellite system in the fixed-sat- countries bordering the Mediterranean shall ellite service is subject to application of the not claim protection for their fixed and mo- provisions of No. 9.12 for coordination with bile services from the radiolocation service. other non-geostationary-satellite systems in 5.430 Additional allocation: in Azerbaijan, the fixed-satellite service. Non-geo- Bulgaria, Cuba, Mongolia, Kyrgyzstan, Ro- stationary-satellite systems in the fixed-sat- mania and Turkmenistan, the band 3300–3400 ellite service shall not claim protection from MHz is also allocated to the radionavigation geostationary-satellite networks in the service on a primary basis. fixed-satellite service operating in accord- 5.431 Additional allocation: in Germany, ance with the Radio Regulations, irrespec- Israel, Nigeria and the United Kingdom, the tive of the dates of receipt by the Bureau of band 3400–3475 MHz is also allocated to the the complete coordination or notification in- amateur service on a secondary basis. formation, as appropriate, for the non-geo- 5.432 Different category of service: in Korea stationary-satellite systems in the fixed-sat- (Rep. of), Japan and Pakistan, the allocation ellite service and of the complete coordina- of the band 3400–3500 MHz to the mobile, ex- tion or notification information, as appro- cept aeronautical mobile, service is on a pri- priate, for the geostationary-satellite net- mary basis (see No. 5.33). works, and No. 5.43A does not apply. Non- 5.433 In Regions 2 and 3, in the band 3400– geostationary-satellite systems in the fixed- 3600 MHz the radiolocation service is allo- satellite service in the above bands shall be cated on a primary basis. However, all ad- operated in such a way that any unaccept- ministrations operating radiolocation sys- able interference that may occur during tems in this band are urged to cease oper- their operation shall be rapidly eliminated.

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5.442 In the bands 4825–4835 MHz and 4950– met in the 5000–5091 MHz band, shall take 4990 MHz, the allocation to the mobile serv- precedence over other uses of this band; ice is restricted to the mobile, except aero- —After 1 January 2008, no new assignments nautical mobile, service. shall be made to stations providing feeder 5.443 Different category of service: in Argen- links of non-geostationary mobile-satellite tina, Australia and Canada, the allocation of systems; the bands 4825–4835 MHz and 4950–4990 MHz to —After 1 January 2010, the fixed-satellite the radio astronomy service is on a primary service will become secondary to the aero- basis (see No. 5.33). nautical radionavigation service. 5.443A Additional allocation: The band 5000– 5.446 Additional allocation: in the countries 5010 MHz is also allocated to the radio- listed in Nos. 5.369 and 5.400, the band 5150– navigation-satellite service (Earth-to-space) 5216 MHz is also allocated to the radio- on a primary basis. See Resolution 603 determination-satellite service (space-to- (WRC–2000). Earth) on a primary basis, subject to agree- 5.443B Additional allocation: The band 5010– ment obtained under No. 9.21. In Region 2, 5030 MHz is also allocated to the radio- the band is also allocated to the radionavigation-satellite service (space-to-Earth) determination-satellite service (space-to- (space-to-space) on a primary basis. In order Earth) on a primary basis. In Regions 1 and not to cause harmful interference to the 3, except those countries listed in Nos. 5.369 microwave landing system operating above and 5.400, the band is also allocated to the 5030 MHz, the aggregate power flux-density radiodetermination-satellite service (space- produced at the Earth’s surface in the band to-Earth) on a secondary basis. The use by 5030–5150 MHz by all the space stations with- the radiodetermination-satellite service is limited to feeder links in conjunction with in any radionavigation-satellite service sys- the radiodetermination-satellite service op- tem (space-to-Earth) operating in the band erating in the bands 1610–1626.5 MHz and/or 5010–5030 MHz shall not exceed ‘‘124.5 dB(W/ 2483.5–2500 MHz. The total power flux-density m2) in a 150 kHz band. In order not to cause at the Earth’s surface shall in no case exceed harmful interference to the radio astronomy ¥159 dB(W/m2) in any 4 kHz band for all an- service in the band 4990–5000 MHz, the aggre- gles of arrival. gate power flux-density produced in the 4990– 5.447 Additional allocation: in Germany, 5000 MHz band by all the space stations with- Austria, Belgium, Denmark, Spain, Estonia, in any radionavigation-satellite service Finland, France, Greece, Israel, Italy, Japan, (space-to-Earth) system operating in the Jordan, Lebanon, Liechtenstein, Lithuania, 5010–5030 MHz band shall not exceed the pro- Luxembourg, Malta, Norway, Pakistan, the ¥ 2 visional value of 171 dB(W/m ) in a 10 MHz Netherlands, Portugal, Syria, the United band at any radio astronomy observatory Kingdom, Sweden, Switzerland and Tunisia, site for more than 2% of the time. For the the band 5150–5250 MHz is also allocated to use of this band, Resolution 604 (WRC–2000) the mobile service, on a primary basis, sub- applies. ject to agreement obtained under No. 9.21. 5.444 The band 5030–5150 MHz is to be used 5.447A The allocation to the fixed-sat- for the operation of the international stand- ellite service (Earth-to-space) is limited to ard system (microwave landing system) for feeder links of non-geostationary-satellite precision approach and landing. The require- systems in the mobile-satellite service and is ments of this system shall take precedence subject to coordination under No. 9.11A. over other uses of this band. For the use of 5.447B Additional allocation: the band 5150– this band, No. 5.444A and Resolution 114 5216 MHz is also allocated to the fixed-sat- (WRC–95) apply. ellite service (space-to-Earth) on a primary 5.444A Additional allocation: the band 5091– basis. This allocation is limited to feeder 5150 MHz is also allocated to the fixed-sat- links of non-geostationary-satellite systems ellite service (Earth-to-space) on a primary in the mobile-satellite service and is subject basis. This allocation is limited to feeder to provisions of No. 9.11A. The power flux- links of non-geostationary mobile-satellite density at the Earth’s surface produced by systems and is subject to coordination under space stations of the fixed-satellite service No. 9.11A. operating in the space-to-Earth direction in In the band 5091–5150 MHz, the following the band 5150–5216 MHz shall in no case exceed ¥164 dB(W/m2) in any 4 kHz band for all conditions also apply: angles of arrival. —Prior to 1 January 2010, the use of the band 5.447C Administrations responsible for 5091–5150 MHz by feeder links of non-geo- fixed-satellite service networks in the band stationary-satellite systems in the mobile- 5150–5250 MHz operated under Nos. 5.447A and satellite service shall be made in accord- 5.447B shall coordinate on an equal basis in ance with Resolution 114 (WRC–95); accordance with No. 9.11A with administra- —Prior to 1 January 2010, the requirements tions responsible for non-geostationary-sat- of existing and planned international ellite networks operated under No. 5.446 and standard systems for the aeronautical brought into use prior to 17 November 1995. radionavigation service which cannot be Satellite networks operated under No. 5.446

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brought into use after 17 November 1995 shall the space research service is on a primary not claim protection from, and shall not basis (see No. 5.33). cause harmful interference to, stations of 5.455 Additional allocation: in Armenia, the fixed-satellite service operated under Azerbaijan, Belarus, Bulgaria, Cuba, Geor- Nos. 5.447A and 5.447B. gia, Hungary, Kazakstan, Latvia, Moldova, 5.447D The allocation of the band 5250–5255 Mongolia, Uzbekistan, Poland, Kyrgyzstan, MHz to the space research service on a pri- Slovakia, Russian Federation, Tajikistan, mary basis is limited to active spaceborne Turkmenistan and Ukraine, the band 5670– sensors. Other uses of the band by the space 5850 MHz is also allocated to the fixed service research service are on a secondary basis. on a primary basis. 5.448 Additional allocation: in Austria, 5.456 Additional allocation: in Germany and Azerbaijan, Bulgaria, Libya, Mongolia, in Cameroon, the band 5755–5850 MHz is also Kyrgyzstan, Slovakia, the Czech Rep., Roma- allocated to the fixed service on a primary nia and Turkmenistan, the band 5250–5350 basis. MHz is also allocated to the radionavigation 5.458 In the band 6425–7075 MHz, passive service on a primary basis. microwave sensor measurements are carried 5.448A The use of the frequency band 5250– out over the oceans. In the band 7075–7250 5350 MHz by the earth exploration-satellite MHz, passive microwave sensor measure- (active) and space research (active) services ments are carried out. Administrations shall not constrain the future development should bear in mind the needs of the Earth and deployment of the radiolocation service. exploration-satellite (passive) and space re- 5.448B The earth exploration-satellite search (passive) services in their future plan- (active) service operating in the band 5350– ning of the bands 6425–7025 MHz and 7075–7250 5460 MHz shall not cause harmful inter- MHz. ference to, or constrain the use and develop- 5.458A In making assignments in the band ment of, the aeronautical radionavigation 6700–7075 MHz to space stations of the fixed- service. satellite service, administrations are urged 5.449 The use of the band 5350–5470 MHz by to take all practicable steps to protect spec- the aeronautical radionavigation service is tral line observations of the radio astronomy limited to airborne radars and associated service in the band 6650–6675.2 MHz from airborne beacons. harmful interference from unwanted emis- 5.450 Additional allocation: in Austria, sions. Azerbaijan, Bulgaria, Iran (Islamic Republic 5.458B The space-to-Earth allocation to of), Mongolia, Kyrgyzstan, Slovakia, the the fixed-satellite service in the band 6700– Czech Rep., Romania, Turkmenistan and 7075 MHz is limited to feeder links for non- Ukraine, the band 5470–5650 MHz is also allo- geostationary satellite systems of the mo- cated to the aeronautical radionavigation bile-satellite service and is subject to coordi- service on a primary basis. nation under No. 9.11A. The use of the band 5.451 Additional allocation: in the United 6700–7075 MHz (space-to-Earth) by feeder Kingdom, the band 5470–5850 MHz is also allo- links for non-geostationary satellite systems cated to the land mobile service on a sec- in the mobile-satellite service is not subject ondary basis. The power limits specified in to No. 22.2. Nos. 21.2, 21.3, 21.4 and 21.5 shall apply in the 5.458C Administrations making submis- band 5725–5850 MHz. sions in the band 7025–7075 MHz (Earth-to- 5.452 Between 5600 MHz and 5650 MHz, space) for geostationary-satellite systems in ground-based radars used for meteorological the fixed-satellite service after 17 November purposes are authorized to operate on a basis 1995 shall consult on the basis of relevant of equality with stations of the maritime ITU–R Recommendations with the adminis- radionavigation service. trations that have notified and brought into 5.453 Additional allocation: in Saudi Ara- use non-geostationary-satellite systems in bia, Bahrain, Bangladesh, Brunei this frequency band before 18 November 1995 Darussalam, Cameroon, China, Congo, Korea upon request of the latter administrations. (Rep. of), Egypt, the United Arab Emirates, This consultation shall be with a view to fa- Gabon, Guinea, India, Indonesia, Iran cilitating shared operation of both geo- (Islamic Republic of), Iraq, Israel, Japan, stationary-satellite systems in the fixed-sat- Jordan, Kuwait, Lebanon, Libya, Mada- ellite service and non-geostationary-satellite gascar, Malaysia, Nigeria, Oman, Pakistan, systems in this band. the Philippines, Qatar, Syria, the Dem. Peo- 5.459 Additional allocation: in Russian Fed- ple’s Rep. of Korea, Singapore, Swaziland, eration, the frequency bands 7100–7155 MHz Tanzania, Chad and Yemen, the band 5650– and 7190–7235 MHz are also allocated to the 5850 MHz is also allocated to the fixed and space operation service (Earth-to-space) on a mobile services on a primary basis. primary basis, subject to agreement obtained 5.454 Different category of service: in Azer- under No. 9.21. baijan, Belarus, Georgia, Mongolia, 5.460 Additional allocation: the band 7145– Uzbekistan, Kyrgyzstan, the Russian Federa- 7235 MHz is also allocated to the space re- tion, Tajikistan, Turkmenistan and Ukraine, search (Earth-to-space) service on a primary the allocation of the band 5670–5725 MHz to basis, subject to agreement obtained under

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No. 9.21. The use of the band 7145–7190 MHz is cated to the fixed and mobile services on a restricted to deep space; no emissions to primary basis. deep space shall be effected in the band 7190– 5.469 Additional allocation: in Armenia, 7235 MHz. Azerbaijan, Belarus, Bulgaria, Georgia, Hun- 5.461 Additional allocation: the bands 7250– gary, Lithuania, Moldova, Mongolia, 7375 MHz (space-to-Earth) and 7900–8025 MHz Uzbekistan, Poland, Kyrgyzstan, Slovakia, (Earth-to-space) are also allocated to the the Czech Rep., Romania, the Russian Fed- mobile-satellite service on a primary basis, eration, Tajikistan, Turkmenistan and subject to agreement obtained under No. Ukraine, the band 8500–8750 MHz is also allo- 9.21. cated to the land mobile and radionavigation 5.461A The use of the band 7450–7550 MHz services on a primary basis. by the meteorological-satellite service 5.469A In the band 8550–8650 MHz, stations (space-to-Earth) is limited to geostationary- in the earth exploration-satellite service satellite systems. Non-geostationary mete- (active) and space research service (active) orological-satellite systems in this band no- shall not cause harmful interference to, or tified before 30 November 1997 may continue constrain the use and development of, sta- to operate on a primary basis until the end tions of the radiolocation service. of their lifetime. 5.470 The use of the band 8750–8850 MHz by 5.461B The use of the band 7750–7850 MHz the aeronautical radionavigation service is by the meteorological-satellite service limited to airborne Doppler navigation aids (space-to-Earth) is limited to non-geo- on a centre frequency of 8800 MHz. stationary satellite systems. 5.471 Additional allocation: in Algeria, Ger- 5.462A In Regions 1 and 3 (except for many, Bahrain, Belgium, China, the United Japan), in the band 8025–8400 MHz, the earth Arab Emirates, France, Greece, Indonesia, Iran (Islamic Republic of), Libya, the Neth- exploration-satellite service using geo- erlands, Qatar and Sudan, the bands 8825–8850 stationary satellites shall not produce a MHz and 9000–9200 MHz are also allocated to power flux-density in excess of the following the maritime radionavigation service, on a provisional values for angles of arrival ( ), q primary basis, for use by shore-based radars without the consent of the affected adminis- only. tration: 5.472 In the bands 8850–9000 MHz and 9200– ¥174 dB(W/m2) in a 4 kHz band for 0≤ q< 5° 9225 MHz, the maritime radionavigation ¥174 + 0.5 (q ¥ 5) dB(W/m2) in a 4 kHz band service is limited to shore-based radars. for 5≤ < 25° 5.473 Additional allocation: in Armenia, ¥164 dB(W/m2) in a 4 kHz band for 25≤ q ≤ 90° Austria, Azerbaijan, Belarus, Bulgaria, Cuba, These values are subject to study under Georgia, Hungary, Moldova, Mongolia, Resolution 124 (WRC–97).6 Uzbekistan, Poland, Kyrgyzstan, Slovakia, 5.463 Aircraft stations are not permitted the Czech Rep., Romania, the Russian Fed- to transmit in the band 8025–8400 MHz. eration, Tajikistan, Turkmenistan and 5.465 In the space research service, the use Ukraine, the bands 8850–9000 MHz and 9200– of the band 8400–8450 MHz is limited to deep 9300 MHz are also allocated to the radio- space. navigation service on a primary basis. 5.466 Different category of service: in Israel, 5.474 In the band 9200–9500 MHz, search Malaysia, Singapore and Sri Lanka, the allo- and rescue transponders (SART) may be cation of the band 8400–8500 MHz to the space used, having due regard to the appropriate research service is on a secondary basis (see ITU–R Recommendation (see also Article 31). No. 5.32). 5.475 The use of the band 9300–9500 MHz by 5.467 Alternative allocation: in the United the aeronautical radionavigation service is Kingdom, the band 8400–8500 MHz is allocated limited to airborne weather radars and to the radiolocation and space research serv- ground-based radars. In addition, ground- ices on a primary basis. based radar beacons in the aeronautical 5.468 Additional allocation: in Saudi Ara- radionavigation service are permitted in the bia, Bahrain, Bangladesh, Brunei band 9300–9320 MHz on condition that harm- Darussalam, Burundi, Cameroon, China, the ful interference is not caused to the mari- Congo, Costa Rica, Egypt, the United Arab time radionavigation service. In the band Emirates, Gabon, Guyana, Indonesia, Iran 9300–9500 MHz, ground-based radars used for (Islamic Republic of), Iraq, Jamaica, Jordan, meteorological purposes have priority over Kuwait, Lebanon, Libya, Malaysia, Mali, Mo- other radiolocation devices. rocco, Mauritania, Nepal, Nigeria, Oman, 5.476 In the band 9300–9320 MHz in the Pakistan, Qatar, Syria, Dem. People’s Rep. radionavigation service, the use of shipborne of Korea, Senegal, Singapore, Somalia, Swa- radars, other than those existing on 1 Janu- ziland, Tanzania, Chad, Togo, Tunisia and ary 1976, is not permitted until 1 January Yemen, the band 8500–8750 MHz is also allo- 2001. 5.476A In the band 9500–9800 MHz, stations in the earth exploration-satellite service 6 Note by the Secretariat: This Resolution (active) and space research service (active) was revised by WRC–2000. shall not cause harmful interference to, or

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constrain the use and development of, sta- Moldova, Mongolia, Uzbekistan, Qatar, tions of the radionavigation and radio- Kyrgyzstan, the Dem. People’s Rep. of location services. Korea, Romania, the Russian Federation, 5.477 Different category of service: in Alge- Tajikistan, Turkmenistan, Ukraine, Yemen ria, Saudi Arabia, Austria, Bahrain, Ban- and Yugoslavia, the band 10.68–10.7 GHz is gladesh, Brunei Darussalam, Cameroon, also allocated to the fixed and mobile, except Egypt, the United Arab Emirates, Eritrea, aeronautical mobile, services on a primary Ethiopia, Guyana, India, Indonesia, Iran basis. Such use is limited to equipment in (Islamic Republic of), Iraq, Jamaica, Japan, operation by 1 January 1985. Jordan, Kuwait, Lebanon, Liberia, Malaysia, 5.484 In Region 1, the use of the band 10.7– Nigeria, Oman, Pakistan, Qatar, the Dem. 11.7 GHz by the fixed-satellite service (Earth- People’s Rep. of Korea, Singapore, Somalia, to-space) is limited to feeder links for the Sudan, Sweden, Trinidad and Tobago, and broadcasting-satellite service. Yemen, the allocation of the band 9800–10000 5.484A The use of the bands 10.95–11.2 GHz MHz to the fixed service is on a primary (space-to-Earth), 11.45–11.7 GHz (space-to- basis (see No. 5.33). Earth), 11.7–12.2 GHz (space-to-Earth) in Re- 5.478 Additional allocation: in Azerbaijan, gion 2, 12.2–12.75 GHz (space-to-Earth) in Re- Bulgaria, Mongolia, Kyrgyzstan, Slovakia, gion 3, 12.5–12.75 GHz (space-to-Earth) in Re- the Czech Rep., Romania, Turkmenistan and gion 1, 13.75–14.5 GHz (Earth-to-space), 17.8– Ukraine, the band 9800–10000 MHz is also allo- 18.6 GHz (space-to-Earth), 19.7–20.2 GHz cated to the radionavigation service on a pri- (space-to-Earth), 27.5–28.6 GHz (Earth-to- mary basis. space), 29.5–30 GHz (Earth-to-space) by a non- 5.479 The band 9975–10025 MHz is also allo- geostationary-satellite system in the fixed- cated to the meteorological-satellite service satellite service is subject to application of on a secondary basis for use by weather ra- the provisions of No. 9.12 for coordination dars. with other non-geostationary-satellite sys- 5.480 Additional allocation: in Argentina, tems in the fixed-satellite service. Non-geo- Brazil, Chile, Costa Rica, Cuba, El Salvador, stationary-satellite systems in the fixed-sat- Ecuador, Guatemala, Honduras, Mexico, Paraguay, Peru, Uruguay and Venezuela, the ellite service shall not claim protection from band 10–10.45 GHz is also allocated to the geostationary-satellite networks in the fixed and mobile services on a primary basis. fixed-satellite service operating in accord- 5.481 Additional allocation: in Germany, ance with the Radio Regulations, irrespec- Angola, Brazil, China, Costa Rica, El Sal- tive of the dates of receipt by the Bureau of vador, Ecuador, Spain, Guatemala, Japan, the complete coordination or notification in- Morocco, Nigeria, Oman, Uzbekistan, Para- formation, as appropriate, for the non-geo- guay, Peru, the Dem. People’s Rep. of Korea, stationary-satellite systems in the fixed-sat- Sweden, Tanzania, Thailand and Uruguay, ellite service and of the complete coordina- the band 10.45–10.5 GHz is also allocated to tion or notification information, as appro- the fixed and mobile services on a primary priate, for the geostationary-satellite net- basis. works, and No. 5.43A does not apply. Non- 5.482 In the band 10.6–10.68 GHz, stations geostationary-satellite systems in the fixed- of the fixed and mobile, except aeronautical satellite service in the above bands shall be mobile, services shall be limited to a max- operated in such a way that any unaccept- imum equivalent isotropically radiated able interference that may occur during power of 40 dBW and the power delivered to their operation shall be rapidly eliminated. the antenna shall not exceed ¥3 dBW. These 5.485 In Region 2, in the band 11.7–12.2 limits may be exceeded subject to agreement GHz, transponders on space stations in the obtained under No. 9.21. However, in Saudi fixed-satellite service may be used addition- Arabia, Armenia, Azerbaijan, Bahrain, Ban- ally for transmissions in the broadcasting- gladesh, Belarus, China, the United Arab satellite service, provided that such trans- Emirates, Georgia, India, Indonesia, Iran missions do not have a maximum e.i.r.p. (Islamic Republic of), Iraq, Japan, greater than 53 dBW per television channel Kazakstan, Kuwait, Latvia, Lebanon, and do not cause greater interference or re- Moldova, Nigeria, Uzbekistan, Pakistan, the quire more protection from interference Philippines, Qatar, Syria, Kyrgyzstan, Rus- than the coordinated fixed-satellite service sian Federation, Tajikistan, Turkmenistan frequency assignments. With respect to the and Ukraine, the restrictions on the fixed space services, this band shall be used prin- and mobile, except aeronautical mobile, cipally for the fixed-satellite service. services are not applicable. 5.486 Different category of service: in Mex- 5.483 Additional allocation: in Saudi Ara- ico and the United States, the allocation of bia, Armenia, Azerbaijan, Bahrain, Belarus, the band 11.7–12.1 GHz to the fixed service is Bosnia and Herzegovina, China, Colombia, on a secondary basis (see No. 5.32). Korea (Rep. of), Costa Rica, Egypt, the 5.487 In the band 11.7–12.5 GHz in Regions United Arab Emirates, Georgia, Iran (Islamic 1 and 3, the fixed, fixed-satellite, mobile, ex- Republic of), Iraq, Israel, Japan, Jordan, cept aeronautical mobile, and broadcasting Kazakstan, Kuwait, Latvia, Lebanon, services, in accordance with their respective

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allocations, shall not cause harmful inter- to-Earth), provided that such transmissions ference to, or claim protection from, broad- do not cause more interference, or require casting-satellite stations operating in ac- more protection from interference, than the cordance with the provisions of the Regions broadcasting-satellite service transmissions 1 and 3 Plan in Appendix 30. operating in conformity with the Plan or the 5.487A Additional allocation: in Region 1, List, as appropriate. the band 11.7–12.5 GHz, in Region 2, the band 5.493 The broadcasting-satellite service in 12.2–12.7 GHz and, in Region 3, the band 11.7– the band 12.5–12.75 GHz in Region 3 is limited 12.2 GHz, are also allocated to the fixed-sat- to a power flux-density not exceeding ¥111 ellite service (space-to-Earth) on a primary dB(W/(m2 · 27 MHz)) for all conditions and for basis, limited to non-geostationary systems all methods of modulation at the edge of the and subject to application of the provisions service area. of No. 9.12 for coordination with other non- 5.494 Additional allocation: in Algeria, An- geostationary-satellite systems in the fixed- gola, Saudi Arabia, Bahrain, Cameroon, the satellite service. Non-geostationary-satellite Central African Rep., the Congo, Coˆ te systems in the fixed-satellite service shall d’Ivoire, Egypt, the United Arab Emirates, not claim protection from geostationary-sat- Eritrea, Ethiopia, Gabon, Ghana, Guinea, ellite networks in the broadcasting-satellite Iraq, Israel, Jordan, Kuwait, Lebanon, Libya, service operating in accordance with the Madagascar, Mali, Morocco, Mongolia, Nige- Radio Regulations, irrespective of the dates ria, Qatar, Dem. Rep. of the Congo, Syria, of receipt by the Bureau of the complete co- Senegal, Somalia, Sudan, Chad, Togo and ordination or notification information, as Yemen, the band 12.5–12.75 GHz is also allo- appropriate, for the non-geostationary-sat- cated to the fixed and mobile, except aero- ellite systems in the fixed-satellite service nautical mobile, services on a primary basis. and of the complete coordination or notifica- 5.495 Additional allocation: in Bosnia and tion information, as appropriate, for the Herzegovina, Croatia, Denmark, France, geosationary-satellite networks, and No. Greece, Liechtenstein, Monaco, Uganda, Por- 5.43A does not apply. Non-geostationary-sat- tugal, Romania, Slovenia, Switzerland, Tan- ellite systems in the fixed-satellite service in zania, Tunisia and Yugoslavia, the band 12.5– the above bands shall be operated in such a 12.75 GHz is also allocated to the fixed and way that any unacceptable interference that mobile, except aeronautical mobile, services may occur during their operation shall be on a secondary basis. rapidly eliminated. 5.496 Additional allocation: in Austria, 5.488 The use of the band 11.7–12.2 GHz by Azerbaijan, Kyrgyzstan and Turkmenistan, geostationary-satellite networks in the the band 12.5–12.75 GHz is also allocated to fixed-satellite service in Region 2 is subject the fixed service and the mobile, except aero- to the provisions of Resolution 77 (WRC– nautical mobile, service on a primary basis. 2000). For the use of the band 12.2–12.7 GHz by However, stations in these services shall not the broadcasting-satellite service in Region cause harmful interference to fixed-satellite 2, see Appendix 30. service earth stations of countries in Region 5.489 Additional allocation: in Peru, the 1 other than those listed in this footnote. Co- band 12.1–12.2 GHz is also allocated to the ordination of these earth stations is not re- fixed service on a primary basis. quired with stations of the fixed and mobile 5.490 In Region 2, in the band 12.2–12.7 services of the countries listed in this foot- GHz, existing and future terrestrial note. The power flux-density limit at the radiocommunication services shall not cause Earth’s surface given in Table 21–4 of Article harmful interference to the space services 21, for the fixed-satellite service shall apply operating in conformity with the broad- on the territory of the countries listed in casting-satellite Plan for Region 2 contained this footnote. in Appendix 30. 5.497 The use of the band 13.25–13.4 GHz by 5.491 Additional allocation: in Region 3, the the aeronautical radionavigation service is band 12.2–12.5 GHz is also allocated to the limited to Doppler navigation aids. fixed-satellite service (space-to-Earth) on a 5.498A The Earth exploration-satellite primary basis. The power flux-density limits (active) and space research (active) services in Table 21–4 of Article 21 shall apply to this operating in the band 13.25–13.4 GHz shall not frequency band. The introduction of the cause harmful interference to, or constrain service in relation to the broadcasting-sat- the use and development of, the aeronautical ellite service in Region 1 shall follow the radionavigation service. procedures specified in Article 7 of Appendix 5.499 Additional allocation: in Bangladesh, 30, with the applicable frequency band ex- India and Pakistan, the band 13.25–14 GHz is tended to cover 12.2–12.5 GHz. also allocated to the fixed service on a pri- 5.492 Assignments to stations of the mary basis. broadcasting-satellite service which are in 5.500 Additional allocation: in Algeria, An- conformity with the appropriate regional gola, Saudi Arabia, Bahrain, Brunei Plan or included in the Regions 1 and 3 List Darussalam, Cameroon, Egypt, the United in Appendix 30 may also be used for trans- Arab Emirates, Gabon, Indonesia, Iran missions in the fixed-satellite service (space- (Islamic Republic of), Iraq, Israel, Jordan,

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Kuwait, Lebanon, Madagascar, Malaysia, Automatic power control may be used to Mali, Malta, Morocco, Mauritania, Nigeria, increase the e.i.r.p. density in the 6 MHz Pakistan, Qatar, Syria, Senegal, Singapore, band in this frequency range to compensate Sudan, Chad and Tunisia, the band 13.4–14 for rain attenuation, to the extent that the GHz is also allocated to the fixed and mobile power flux-density at the fixed-satellite serv- services on a primary basis. ice space station does not exceed the value 5.501 Additional allocation: in Austria, resulting from use by an earth station of an Azerbaijan, Hungary, Japan, Mongolia, e.i.r.p. of 71 dBW or 51 dBW, as appropriate, Kyrgyzstan, Romania, the United Kingdom in the 6 MHz band in clear-sky conditions. and Turkmenistan, the band 13.4–14 GHz is 5.503A Until 1 January 2000, stations in also allocated to the radionavigation service the fixed-satellite service shall not cause on a primary basis. harmful interference to non-geostationary 5.501A The allocation of the band 13.4– space stations in the space research and 13.75 GHz to the space research service on a Earth exploration-satellite services. After primary basis is limited to active spaceborne that date, these non-geostationary space sta- sensors. Other uses of the band by the space tions will operate on a secondary basis in re- research service are on a secondary basis. lation to the fixed-satellite service. Addi- 5.501B In the band 13.4–13.75 GHz, the tionally, when planning earth stations in the Earth exploration-satellite (active) and fixed-satellite service to be brought into space research (active) services shall not service between 1 January 2000 and 1 January cause harmful interference to, or constrain 2001, in order to accommodate the needs of the use and development of, the radio- spaceborne precipitation radars operating in location service. the band 13.793–13.805 GHz, advantage should 5.502 In the band 13.75–14 GHz, an earth be taken of the consultation process and the station in the fixed-satellite service shall information given in Recommendation ITU– have a minimum antenna diameter of 4.5 m R SA.1071. and the e.i.r.p. of any emission should be at 5.504 The use of the band 14–14.3 GHz by least 68 dBW and should not exceed 85 dBW. the radionavigation service shall be such as In addition the e.i.r.p., averaged over one to provide sufficient protection to space sta- second, radiated by a station in the radio- tions of the fixed-satellite service. location or radionavigation services shall not exceed 59 dBW. The protection of assign- 5.505 Additional allocation: in Algeria, An- ments to receiving space stations in the gola, Saudi Arabia, Bahrain, Bangladesh, fixed-satellite service operating with earth Botswana, Brunei Darussalam, Cameroon, stations that, individually, have an e.i.r.p. of China, Congo, Korea (Rep. of), Egypt, the less than 68 dBW shall not impose con- United Arab Emirates, Gabon, Guatemala, straints on the operation of the radio- Guinea, India, Indonesia, Iran (Islamic Re- location and radionavigation stations oper- public of), Iraq, Israel, Japan, Jordan, Ku- ating in accordance with the Radio Regula- wait, Lesotho, Lebanon, Malaysia, Mali, Mo- tions. No. 5.43A does not apply. See Resolu- rocco, Mauritania, Oman, Pakistan, the tion 733 (WRC–2000). Philippines, Qatar, Syria, the Dem. People’s 5.503 In the band 13.75–14 GHz, geo- Rep. of Korea, Senegal, Singapore, Somalia, stationary space stations in the space re- Sudan, Swaziland, Tanzania, Chad and search service for which information for ad- Yemen, the band 14–14.3 GHz is also allocated vance publication has been received by the to the fixed service on a primary basis. Bureau prior to 31 January 1992 shall operate 5.506 The band 14–14.5 GHz may be used, on an equal basis with stations in the fixed- within the fixed-satellite service (Earth-to- satellite service; after that date, new geo- space), for feeder links for the broadcasting- stationary space stations in the space re- satellite service, subject to coordination search service will operate on a secondary with other networks in the fixed-satellite basis. Until those geostationary space sta- service. Such use of feeder links is reserved tions in the space research service for which for countries outside Europe. information for advance publication has 5.508 Additional allocation: in Germany, been received by the Bureau prior to 31 Janu- Bosnia and Herzegovina, France, Greece, Ire- ary 1992 cease to operate in this band: land, Iceland, Italy, The Former Yugoslav —The e.i.r.p. density of emissions from any Republic of Macedonia, Libya, Liech- earth station in the fixed-satellite service tenstein, Portugal, the United Kingdom, Slo- operating with a space station in geo- venia, Switzerland and Yugoslavia, the band stationary-satellite orbit shall not exceed 14.25–14.3 GHz is also allocated to the fixed 71 dBW in the 6 MHz band from 13.772 to service on a primary basis. 13.778 GHz; 5.509 Additional allocation: in Japan the —The e.i.r.p. density of emissions from any band 14.25–14.3 GHz is also allocated to the earth station in the fixed-satellite service mobile, except aeronautical mobile, service operating with a space station in non-geo- on a primary basis. stationary-satellite orbit shall not exceed 5.510 The use of the band 14.5–14.8 GHz by 51 dBW in the 6 MHz band from 13.772 to the fixed-satellite service (Earth-to-space) is 13.778 GHz. limited to feeder links for the broadcasting-

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satellite service. This use is reserved for 15.65 GHz, where an administration plans countries outside Europe. emissions from a non-geostationary space 5.511 Additional allocation: in Saudi Ara- station that exceed ¥146 dB(W/(m2 · MHz)) bia, Bahrain, Bosnia and Herzegovina, Cam- for any angle of arrival, it shall coordinate eroon, Egypt, the United Arab Emirates, under No. 9.11A with the affected administra- Guinea, Iran (Islamic Republic of), Iraq, tions. Stations in the fixed-satellite service Israel, Kuwait, Lebanon, Libya, Pakistan, operating in the band 15.63–15.65 GHz in the Qatar, Syria, Slovenia, Somalia and Yugo- Earth-to-space direction shall not cause slavia, the band 15.35–15.4 GHz is also allo- harmful interference to stations in the aero- cated to the fixed and mobile services on a nautical radionavigation service (No. 4.10 ap- secondary basis. plies). 5.511A The band 15.43–15.63 GHz is also al- 5.512 Additional allocation: in Algeria, An- located to the fixed-satellite service (space- gola, Saudi Arabia, Austria, Bahrain, Ban- to-Earth) on a primary basis. Use of the band gladesh, Bosnia and Herzegovina, Brunei 15.43–15.63 GHz by the fixed-satellite service Darussalam, Cameroon, the Congo, Costa (space-to-Earth and Earth-to-space) is lim- Rica, Egypt, El Salvador, the United Arab ited to feeder links of non-geostationary sys- Emirates, Finland, Guatemala, India, Indo- tems in the mobile-satellite service, subject nesia, Iran (Islamic Republic of), Jordan, Ku- to coordination under No. 9.11A. The use of wait, Libya, Malaysia, Morocco, Mozam- the frequency band 15.43–15.63 GHz by the bique, Nepal, Nicaragua, Oman, Pakistan, fixed-satellite service (space-to-Earth) is Qatar, Singapore, Slovenia, Somalia, Sudan, limited to feeder links of non-geostationary Swaziland, Tanzania, Chad, Yemen and systems in the mobile-satellite service for Yugoslavia, the band 15.7–17.3 GHz is also al- which advance publication information has located to the fixed and mobile services on a been received by the Bureau prior to 2 June primary basis. 2000. In the space-to-Earth direction, the 5.513 Additional allocation: in Israel, the minimum earth station elevation angle band 15.7–17.3 GHz is also allocated to the above and gain towards the local horizontal fixed and mobile services on a primary basis. plane and the minimum coordination dis- These services shall not claim protection tances to protect an earth station from from or cause harmful interference to serv- harmful interference shall be in accordance ices operating in accordance with the Table with Recommendation ITU–R S.1341. In order in countries other than those included in No. to protect the radio astronomy service in the 5.512. band 15.35–15.4 GHz, the aggregate power 5.513A Spaceborne active sensors oper- flux-density radiated in the 15.35–15.4 GHz ating in the band 17.2–17.3 GHz shall not band by all the space stations within any cause harmful interference to, or constrain feeder-link of a non-geostationary system in the development of, the radiolocation and the mobile-satellite service (space-to-Earth) other services allocated on a primary basis. operating in the 15.43–15.63 GHz band shall 5.514 Additional allocation: in Algeria, Ger- not exceed the level of -156 dB(W/m2) in a 50 many, Angola, Saudi Arabia, Austria, Bah- MHz bandwidth, into any radio astronomy rain, Bangladesh, Bosnia and Herzegovina, observatory site for more than 2% of the Cameroon, Costa Rica, El Salvador, the time. United Arab Emirates, Finland, Guatemala, 5.511C Stations operating in the aero- Honduras, India, Iran (Islamic Republic of), nautical radionavigation service shall limit Iraq, Israel, Japan, Jordan, Kuwait, Libya, the effective e.i.r.p. in accordance with Rec- Nepal, Nicaragua, Oman, Pakistan, Qatar, ommendation ITU–R S.1340. The minimum Slovenia, Sudan and Yugoslavia, the band coordination distance required to protect the 17.3–17.7 GHz is also allocated to the fixed aeronautical radionavigation stations (No. and mobile services on a secondary basis. 4.10 applies) from harmful interference from The power limits given in Nos. 21.3 and 21.5 feeder-link earth stations and the maximum shall apply. e.i.r.p. transmitted towards the local hori- 5.515 In the band 17.3–17.8 GHz, sharing be- zontal plane by a feeder-link earth station tween the fixed-satellite service (Earth-to- shall be in accordance with Recommendation space) and the broadcasting-satellite service ITU–R S.1340. shall also be in accordance with the provi- 5.511D Fixed-satellite service systems for sions of § 1 of Annex 4 of Appendix 30A. which complete information for advance 5.516 The use of the band 17.3–18.1 GHz by publication has been received by the Bureau geostationary-satellite systems in the fixed- by 21 November 1997 may operate in the satellite service (Earth-to-space) is limited bands 15.4–15.43 GHz and 15.63–15.7 GHz in the to feeder links for the broadcasting-satellite space-to-Earth direction and 15.63–15.65 GHz service. The use of the band 17.3–17.8 GHz in in the Earth-to-space direction. In the bands Region 2 by systems in the fixed-satellite 15.4–15.43 GHz and 15.65–15.7 GHz, emissions service (Earth-to-space) is limited to geo- from a non-geostationary space station shall stationary satellites. For the use of the band not exceed the power flux-density limits at 17.3–17.8 GHz in Region 2 by feeder links for the Earth’s surface of ¥146 dB(W/(m2 · MHz)) the broadcasting-satellite service in the for any angle of arrival. In the band 15.63– band 12.2–12.7 GHz, see Article 11. The use of

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the bands 17.3–18.1 GHz (Earth-to-space) in 5.522C In the band 18.6–18.8 GHz, in Alge- Regions 1 and 3 and 17.8–18.1 GHz (Earth-to- ria, Saudi Arabia, Bahrain, Egypt, the space) in Region 2 by non-geostationary-sat- United Arab Emirates, Jordan, Lebanon, ellite systems in the fixed-satellite service is Libya, Morocco, Oman, Qatar, Syria, Tunisia subject to application of the provisions of and Yemen, fixed-service systems in oper- No. 9.12 for coordination with other non-geo- ation at the date of entry into force of the stationary-satellite systems in the fixed-sat- Final Acts of WRC–2000 are not subject to ellite service. Non-geostationary-satellite the limits of No. 21.5A. systems in the fixed-satellite service shall 5.523A The use of the bands 18.8–19.3 GHz not claim protection from geostationary-sat- (space-to-Earth) and 28.6–29.1 GHz (Earth-to- ellite networks in the fixed-satellite service space) by geostationary and non-geo- operating in accordance with the Radio Reg- stationary fixed-satellite service networks is ulations, irrespective of the dates of receipt subject to the application of the provisions by the Bureau of the complete coordination of No. 9.11A and No. 22.2 does not apply. Ad- or notification information, as appropriate, for the non-geostationary-satellite systems ministrations having geostationary-satellite in the fixed-satellite service and of the com- networks under coordination prior to 18 No- plete coordination or notification informa- vember 1995 shall cooperate to the maximum tion, as appropriate, for the geostationary- extent possible to coordinate pursuant to No. satellite networks, and No. 5.43A does not 9.11A with non-geostationary-satellite net- apply. Non-geostationary-satellite systems works for which notification information has in the fixed-satellite service in the above been received by the Bureau prior to that bands shall be operated in such a way that date, with a view to reaching results accept- any unacceptable interference that may able to all the parties concerned. Non-geo- occur during their operation shall be rapidly stationary-satellite networks shall not cause eliminated. unacceptable interference to geostationary 5.517 In Region 2, the allocation to the fixed-satellite service networks for which broadcasting-satellite service in the band complete Appendix 4 notification informa- 17.3–17.8 GHz shall come into effect on 1 April tion is considered as having been received by 2007. After that date, use of the fixed-sat- the Bureau prior to 18 November 1995. ellite (space-to-Earth) service in the band 5.523B The use of the band 19.3–19.6 GHz 17.7–17.8 GHz shall not claim protection from (Earth-to-space) by the fixed-satellite serv- and shall not cause harmful interference to ice is limited to feeder links for non-geo- operating systems in the broadcasting-sat- stationary-satellite systems in the mobile- ellite service. satellite service. Such use is subject to the 5.518 Different category of service: in Region application of the provisions of No. 9.11A, 2, the allocation of the band 17.7–17.8 GHz to and No. 22.2 does not apply. the mobile service is on a primary basis until 5.523C No. 22.2 shall continue to apply in 31 March 2007. the bands 19.3–19.6 GHz and 29.1–29.4 GHz, be- 5.519 Additional allocation: the band 18.1– tween feeder links of non-geostationary mo- 18.3 GHz is also allocated to the meteorolog- bile-satellite service networks and those ical-satellite service (space-to-Earth) on a fixed-satellite service networks for which primary basis. Its use is limited to geo- complete Appendix 4 coordination informa- stationary satellites and shall be in accord- tion, or notification information, is consid- ance with the provisions of Article 21, Table ered as having been received by the Bureau 21–4. prior to 18 November 1995. 5.520 The use of the band 18.1–18.4 GHz by the fixed-satellite service (Earth-to-space) is 5.523D The use of the band 19.3–19.7 GHz limited to feeder links of geostationary-sat- (space-to-Earth) by geostationary fixed-satellite systems in the broadcasting-satellite ellite service systems and by feeder links for service. non-geostationary-satellite systems in the 5.521 Alternative allocation: in Germany, mobile-satellite service is subject to the ap- Denmark, the United Arab Emirates, Greece plication of the provisions of No. 9.11A, but and Slovakia, the band 18.1–18.4 GHz is allo- not subject to the provisions of No. 22.2. The cated to the fixed, fixed-satellite (space-to- use of this band for other non-geostationary Earth) and mobile services on a primary fixed-satellite service systems, or for the basis (see No. 5.33). The provisions of No. cases indicated in Nos. 5.523C and 5.523E, is 5.519 also apply. not subject to the provisions of No. 9.11A and 5.522A The emissions of the fixed service shall continue to be subject to Articles 9 and the fixed-satellite service in the band (except No. 9.11A) and 11 procedures, and to 18.6–18.8 GHz are limited to the values given the provisions of No. 22.2. in Nos. 21.5A and 21.16.2, respectively. 5.523E No. 22.2 shall continue to apply in 5.522B The use of the band 18.6–18.8 GHz the bands 19.6–19.7 GHz and 29.4–29.5 GHz, be- by the fixed-satellite service is limited to tween feeder links of non-geostationary mo- geostationary systems and systems with an bile-satellite service networks and those orbit of apogee greater than 20 000 km. fixed-satellite service networks for which

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complete Appendix 4 coordination informa- band 21.4–22 GHz shall come into effect on 1 tion, or notification information, is consid- April 2007. The use of this band by the broad- ered as having been received by the Bureau casting-satellite service after that date and by 21 November 1997. on an interim basis prior to that date is sub- 5.524 Additional allocation: in Afghanistan, ject to the provisions of Resolution 525 Algeria, Angola, Saudi Arabia, Bahrain, Ban- (WARC–92). gladesh, Brunei Darussalam, Cameroon, 5.531 Additional allocation: in Japan, the China, the Congo, Costa Rica, Egypt, the band 21.4–22 GHz is also allocated to the United Arab Emirates, Gabon, Guatemala, broadcasting service on a primary basis. Guinea, India, Iran (Islamic Republic of), 5.532 The use of the band 22.21–22.5 GHz by Iraq, Israel, Japan, Jordan, Kuwait, Leb- the Earth exploration-satellite (passive) and anon, Malaysia, Mali, Morocco, Mauritania, space research (passive) services shall not Nepal, Nigeria, Oman, Pakistan, the Phil- impose constraints upon the fixed and mo- ippines, Qatar, the Dem. Rep. of the Congo, bile, except aeronautical mobile, services. Syria, the Dem. People’s Rep. of Korea, 5.533 The inter-satellite service shall not Singapore, Somalia, Sudan, Tanzania, Chad, claim protection from harmful interference Togo and Tunisia, the band 19.7–21.2 GHz is from airport surface detection equipment also allocated to the fixed and mobile serv- stations of the radionavigation service. ices on a primary basis. This additional use 5.534 Additional allocation: in Japan, the shall not impose any limitation on the power band 24.65–25.25 GHz is also allocated to the flux-density of space stations in the fixed- radionavigation service on a primary basis satellite service in the band 19.7–21.2 GHz and until 2008. of space stations in the mobile-satellite serv- 5.535 In the band 24.75–25.25 GHz, feeder ice in the band 19.7–20.2 GHz where the allo- links to stations of the broadcasting-sat- cation to the mobile-satellite service is on a ellite service shall have priority over other primary basis in the latter band. uses in the fixed-satellite service (Earth-to- 5.525 In order to facilitate interregional space). Such other uses shall protect and coordination between networks in the mo- shall not claim protection from existing and bile-satellite and fixed-satellite services, future operating feeder-link networks to carriers in the mobile-satellite service that such broadcasting satellite stations. are most susceptible to interference shall, to 5.535A The use of the band 29.1–29.5 GHz the extent practicable, be located in the (Earth-to-space) by the fixed-satellite serv- higher parts of the bands 19.7–20.2 GHz and ice is limited to geostationary-satellite sys- 29.5–30 GHz. tems and feeder links to non-geostationary- 5.526 In the bands 19.7–20.2 GHz and 29.5–30 satellite systems in the mobile-satellite GHz in Region 2, and in the bands 20.1–20.2 service. Such use is subject to the applica- GHz and 29.9–30 GHz in Regions 1 and 3, net- tion of the provisions of No. 9.11A, but not works which are both in the fixed-satellite subject to the provisions of No. 22.2, except service and in the mobile-satellite service as indicated in Nos. 5.523C and 5.523E where may include links between earth stations at such use is not subject to the provisions of specified or unspecified points or while in No. 9.11A and shall continue to be subject to motion, through one or more satellites for Articles 9 (except No. 9.11A) and 11 proce- point-to-point and point-to-multipoint com- dures, and to the provisions of No. 22.2. munications. 5.536 Use of the 25.25–27.5 GHz band by the 5.527 In the bands 19.7–20.2 GHz and 29.5–30 inter-satellite service is limited to space re- GHz, the provisions of No. 4.10 do not apply search and Earth exploration-satellite appli- with respect to the mobile-satellite service. cations, and also transmissions of data origi- 5.528 The allocation to the mobile-sat- nating from industrial and medical activities ellite service is intended for use by networks in space. which use narrow spot-beam antennas and 5.536A Administrations installing Earth other advanced technology at the space sta- exploration-satellite service earth stations tions. Administrations operating systems in cannot claim protection from stations in the the mobile-satellite service in the band 19.7– fixed and mobile services operated by 20.1 GHz in Region 2 and in the band 20.1–20.2 neighbouring administrations. In addition, GHz shall take all practicable steps to en- earth stations operating in the Earth explo- sure the continued availability of these ration-satellite service should take into ac- bands for administrations operating fixed count Recommendation ITU–R SA.1278. and mobile systems in accordance with the 5.536B In Germany, Saudi Arabia, Austria, provisions of No. 5.524. Belgium, Brazil, Bulgaria, China, Korea 5.529 The use of the bands 19.7–20.1 GHz (Rep. of), Denmark, Egypt, United Arab and 29.5–29.9 GHz by the mobile-satellite Emirates, Spain, Estonia, Finland, France, service in Region 2 is limited to satellite Hungary, India, Iran (Islamic Republic of), networks which are both in the fixed-sat- Ireland, Israel, Italy, Jordan, Kenya, Kuwait, ellite service and in the mobile-satellite Lebanon, Libya, Liechtenstein, Lithuania, service as described in No. 5.526. Moldova, Norway, Oman, Uganda, Pakistan, 5.530 In Regions 1 and 3, the allocation to the Philippines, Poland, Portugal, Syria, the broadcasting-satellite service in the Slovakia, the Czech Rep., Romania, the

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United Kingdom, Singapore, Sweden, Swit- Bureau after 17 May 1996 and until they are zerland, Tanzania, Turkey, Viet Nam and changed by a future competent world Zimbabwe, earth stations operating in the radiocommunication conference. Adminis- Earth exploration-satellite service in the trations submitting Appendix 4 information band 25.5–27 GHz shall not claim protection for coordination before this date are encour- from, or constrain the use and deployment aged to utilize these techniques to the extent of, stations of the fixed and mobile services. practicable. 5.537 Space services using non-geo- 5.542 Additional allocation: in Algeria, stationary satellites operating in the inter- Saudi Arabia, Bahrain, Bangladesh, Brunei satellite service in the band 27–27.5 GHz are Darussalam, Cameroon, China, Congo, exempt from the provisions of No. 22.2. Egypt, the United Arab Emirates, Eritrea, 5.537A In Bhutan, Indonesia, Iran (Islamic Ethiopia, Guinea, India, Iran (Islamic Repub- Republic of), Japan, Maldives, Mongolia, lic of), Iraq, Japan, Jordan, Kuwait, Leb- Myanmar, Pakistan, the Dem. People’s Rep. anon, Malaysia, Mali, Morocco, Mauritania, of Korea, Sri Lanka, Thailand and Viet Nam, Nepal, Pakistan, the Philippines, Qatar, the allocation to the fixed service in the Syria, the Dem. People’s Rep. of Korea, So- band 27.5–28.35 GHz may also be used by high malia, Sudan, Sri Lanka and Chad, the band altitude platform stations (HAPS). The use 29.5–31 GHz is also allocated to the fixed and of the band 27.5–28.35 GHz by HAPS is limited mobile services on a secondary basis. The to operation in the HAPS-to-ground direc- power limits specified in Nos. 21.3 and 21.5 tion and shall not cause harmful interference shall apply. to, nor claim protection from, other types of 5.543 The band 29.95–30 GHz may be used fixed-service systems or other co-primary for space-to-space links in the Earth explo- services. ration-satellite service for telemetry, track- 5.538 Additional allocation: the bands ing, and control purposes, on a secondary 27.500–27.501 GHz and 29.999–30.000 GHz are basis. also allocated to the fixed-satellite service 5.543A In Bhutan, Indonesia, Iran (Islamic (space-to-Earth) on a primary basis for the Republic of), Japan, Maldives, Mongolia, beacon transmissions intended for up-link Myanmar, Pakistan, the Dem. People’s Rep. power control. Such space-to-Earth trans- of Korea, Sri Lanka, Thailand and Viet Nam, missions shall not exceed an equivalent the allocation to the fixed service in the isotropically radiated power (e.i.r.p.) of 10 band 31–31.3 GHz may also be used by high al- dBW in the direction of adjacent satellites titude platform stations (HAPS) in the on the geostationary-satellite orbit. In the ground-to-HAPS direction. The use of the band 27.500–27.501 GHz, such space-to-Earth band 31–31.3 GHz by systems using HAPS transmissions shall not produce a power shall not cause harmful interference to, nor flux-density in excess of the values specified claim protection from, other types of fixed- in Article 21, Table 21–4 on the Earth’s sur- service systems or other co-primary services, face. taking into account No. 5.545. The use of 5.539 The band 27.5–30 GHz may be used by HAPS in the band 31–31.3 GHz shall not cause the fixed-satellite service (Earth-to-space) harmful interference to the passive services for the provision of feeder links for the having a primary allocation in the band 31.3– broadcasting-satellite service. 31.8 GHz, taking into account the inter- 5.540 Additional allocation: the band 27.501– ference criteria given in Recommendations 29.999 GHz is also allocated to the fixed-sat- ITU–R SA.1029 and ITU–R RA.769. The ad- ellite service (space-to-Earth) on a secondary ministrations of the countries listed above basis for beacon transmissions intended for are urged to limit the deployment of HAPS up-link power control. in the band 31–31.3 GHz to the lower half of 5.541 In the band 28.5–30 GHz, the earth ex- this band (31–31.15 GHz) until WRC–03. ploration-satellite service is limited to the 5.544 In the band 31–31.3 GHz the power transfer of data between stations and not to flux-density limits specified in Article 21, the primary collection of information by Table 21–4 shall apply to the space research means of active or passive sensors. service. 5.541A Feeder links of non-geostationary 5.545 Different category of service: in Arme- networks in the mobile-satellite service and nia, Azerbaijan, Belarus, Georgia, Mongolia, geostationary networks in the fixed-satellite Kyrgyzstan, the Russian Federation, service operating in the band 29.1–29.5 GHz Tajikistan, Turkmenistan and Ukraine, the (Earth-to-space) shall employ uplink adapt- allocation of the band 31–31.3 GHz to the ive power control or other methods of fade space research service is on a primary basis compensation, such that the earth station (see No. 5.33). transmissions shall be conducted at the 5.546 Different category of service: in Saudi power level required to meet the desired link Arabia, Armenia, Azerbaijan, Belarus, performance while reducing the level of mu- Egypt, the United Arab Emirates, Spain, Es- tual interference between both networks. tonia, Finland, Georgia, Hungary, Iran These methods shall apply to networks for (Islamic Republic of), Israel, Jordan, Latvia, which Appendix 4 coordination information Lebanon, Moldova, Mongolia, Uzbekistan, is considered as having been received by the Poland, Syria, Kyrgyzstan, Romania, the

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United Kingdom, the Russian Federation, 5.550 Different category of service: in Arme- Tajikistan, Turkmenistan, Turkey and nia, Azerbaijan, Belarus, Georgia, Mongolia, Ukraine, the allocation of the band 31.5–31.8 Uzbekistan, Kyrgyzstan, the Russian Federa- GHz to the fixed and mobile, except aero- tion, Tajikistan, Turkmenistan and Ukraine, nautical mobile, services is on a primary the allocation of the band 34.7–35.2 GHz to basis (see No. 5.33). the space research service is on a primary 5.547 The bands 31.8–33.4 GHz, 37–40 GHz, basis (see No. 5.33). 40.5–43.5 GHz, 51.4–52.6 GHz, 55.78–59 GHz and 5.551 Radars located on spacecraft may be 64–66 GHz are available for high-density ap- operated on a primary basis in the band 35.5– plications in the fixed service (see Resolu- 35.6 GHz. (SUP—WRC–97) tions 75 (WRC–2000) and 79 (WRC–2000)). Ad- 5.551A In the band 35.5–36.0 GHz, active ministrations should take this into account spaceborne sensors in the earth exploration- when considering regulatory provisions in satellite and space research services shall relation to these bands. Because of the po- not cause harmful interference to, claim pro- tential deployment of high-density applica- tection from, or otherwise impose con- tions in the fixed-satellite service in the straints on operation or development of the bands 39.5–40 GHz and 40.5–42 GHz, adminis- radiolocation service, the meteorological trations should further take into account po- aids service and other services allocated on a tential constraints to high-density applica- primary basis. tions in the fixed service, as appropriate (see 5.551AA In the bands 37.5–40 GHz and 42– Resolution 84 (WRC–2000)). 42.5 GHz, non-geostationary-satellite sys- 5.547A Administrations should take prac- tems in the fixed-satellite service should em- tical measures to minimize the potential in- ploy power control or other methods of terference between stations in the fixed serv- downlink fade compensation of the order of ice and airborne stations in the radio- 10 dB, such that the satellite transmissions navigation service in the 31.8–33.4 GHz band, are at power levels required to meet the de- taking into account the operational needs of sired link performance while reducing the the airborne radar systems. level of interference to the fixed service. The 5.547B Alternative allocation: in the United use of downlink fade compensation methods States, the band 31.8–32 GHz is allocated to are under study by the ITU–R (see Resolu- the radionavigation and space research (deep tion 84 (WRC–2000)). space) (space-to-Earth) services on a primary 5.551F Different category of service: in basis. Japan, the allocation of the band 41.5–42.5 5.547C Alternative allocation: in the United GHz to the mobile service is on a primary States, the band 32–32.3 GHz is allocated to basis (see No. 5.33). the inter-satellite, radionavigation and 5.551G In order to protect the radio as- space research (deep space) (space-to-Earth) tronomy service in the band 42.5–43.5 GHz, services on a primary basis. the aggregate power flux-density in the 42.5– 5.547D Alternative allocation: in the United 43.5 GHz band produced by all the space sta- States, the band 32.3–33 GHz is allocated to tions in any non-geostationary-satellite sys- the inter-satellite and radionavigation serv- tem in the fixed-satellite service (space-to- ices on a primary basis. Earth) or in the broadcasting-satellite serv- 5.547E Alternative allocation: in the United ice (space-to-Earth) system operating in the States, the band 33–33.4 GHz is allocated to 41.5–42.5 GHz band shall not exceed—167 the radionavigation service on a primary dB(W/m2) in any 1 MHz band at the site of a basis. radio astronomy station for more that 2% of 5.548 In designing systems for the inter- the time. The power flux-density in the band satellite and radionavigation services in the 42.5–43.5 GHz produced by any geostationary band 32–33 GHz, and for the space research station in the fixed-satellite service (space- service (deep space) in the band 31.8–32.3 GHz, to-Earth) or in the broadcasting-satellite administrations shall take all necessary service (space-to-Earth) operating in the measures to prevent harmful interference be- band 42–42.5 GHz shall not exceed—167 dB(W/ tween these services, bearing in mind the m2) in any 1 MHz band at the site of a radio safety aspects of the radionavigation service astronomy station. These limits are provi- (see Recommendation 707). sional and will be reviewed in accordance 5.549 Additional allocation: in Saudi Ara- with Resolution 128 (Rev.WRC–2000). bia, Bahrain, Bangladesh, Egypt, the United 5.552 The allocation of the spectrum for Arab Emirates, Gabon, Indonesia, Iran the fixed-satellite service in the bands 42.5– (Islamic Republic of), Iraq, Israel, Jordan, 43.5 GHz and 47.2–50.2 GHz for Earth-to-space Kuwait, Lebanon, Libya, Malaysia, Mali, transmission is greater than that in the band Malta, Morocco, Mauritania, Nepal, Nigeria, 37.5–39.5 GHz for space-to-Earth transmission Oman, Pakistan, the Philippines, Qatar, in order to accommodate feeder links to Dem. Rep. of the Congo, Syria, Senegal, broadcasting satellites. Administrations are Singapore, Somalia, Sudan, Sri Lanka, Togo, urged to take all practicable steps to reserve Tunisia and Yemen, the band 33.4–36 GHz is the band 47.2–49.2 GHz for feeder links for the also allocated to the fixed and mobile serv- broadcasting-satellite service operating in ices on a primary basis. the band 40.5–42.5 GHz.

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5.552A The allocation to the fixed service orbit and to transmissions from non-geo- in the bands 47.2–47.5 GHz and 47.9–48.2 GHz is stationary satellites in high-Earth orbit to designated for use by high altitude platform those in low-Earth orbit. For links between stations. The use of the bands 47.2–47.5 GHz satellites in the geostationary-satellite and 47.9–48.2 GHz is subject to the provisions orbit, the single entry power flux-density at of Resolution 122 (WRC–97) 7 all altitudes from 0 km to 1000 km above the 5.553 In the bands 43.5–47 GHz and 66–71 Earth’s surface, for all conditions and for all GHz, stations in the land mobile service may methods of modulation, shall not exceed be operated subject to not causing harmful ¥147 dB(W/(m2 · 100 MHz)) for all angles of interference to the space arrival. radiocommunication services to which these 5.559 In the band 59–64 GHz, airborne ra- bands are allocated (see No. 5.43). dars in the radiolocation service may be op- 5.554 In the bands 43.5–47 GHz, 66–71 GHz, erated subject to not causing harmful inter- 95–100 GHz, 123–130 GHz, 191.8–200 GHz and ference to the inter-satellite service (see No. 252–265 GHz, satellite links connecting land 5.43). stations at specified fixed points are also au- 5.559A The band 75.5–76 GHz is also allo- thorized when used in conjunction with the cated to the amateur and amateur-satellite mobile-satellite service or the radio- services on a primary basis until the year navigation-satellite service. 2006. 5.555 Additional allocation: the band 48.94– 5.560 In the band 78–79 GHz radars located 49.04 GHz is also allocated to the radio as- on space stations may be operated on a pri- tronomy service on a primary basis. mary basis in the Earth exploration-satellite 5.555A The band 50.2–50.4 GHz is also allo- service and in the space research service. cated, on a primary basis, to the fixed and 5.561 In the band 74–76 GHz, stations in mobile services until 1 July 2000. the fixed, mobile and broadcasting services 5.556 In the bands 51.4–54.25 GHz, 58.2–59 shall not cause harmful interference to sta- GHz and 64–65 GHz, radio astronomy observations of the fixed-satellite service or stations tions may be carried out under national ar- of the broadcasting-satellite service oper- rangements. ating in accordance with the decisions of the 5.556A Use of the bands 54.25–56.9 GHz, 57– appropriate frequency assignment planning 58.2 GHz and 59–59.3 GHz by the inter-sat- conference for the broadcasting-satellite service. ellite service is limited to satellites in the 5.561A The 81–81.5 GHz band is also allo- geostationary-satellite orbit. The single- cated to the amateur and amateur-satellite entry power flux-density at all altitudes services on a secondary basis. from 0 km to 1000 km above the Earth’s sur- 5.561B In Japan, use of the band 84–86 face produced by a station in the inter-sat- GHz, by the fixed-satellite service (Earth-to- ellite service, for all conditions and for all space) is limited to feeder links in the broad- methods of modulation, shall not exceed casting-satellite service using the geo- ¥147 dB(W/(m2 · 100 MHz)) for all angles of stationary-satellite orbit. arrival. 5.562 The use of the band 94–94.1 GHz by 5.556B Additional allocation: in Japan, the the Earth exploration-satellite (active) and band 54.25–55.78 GHz is also allocated to the space research (active) services is limited to mobile service on a primary basis for low- spaceborne cloud radars. density use. 5.562A In the bands 94–94.1 GHz and 130–134 5.557 Additional allocation: in Japan, the GHz, transmissions from space stations of band 55.78–58.2 GHz is also allocated to the the Earth exploration-satellite service radiolocation service on a primary basis. (active) that are directed into the main 5.557A In the band 55.78–56.26 GHz, in beam of a radio astronomy antenna have the order to protect stations in the Earth explo- potential to damage some radio astronomy ration-satellite service (passive), the max- receivers. Space agencies operating the imum power density delivered by a trans- transmitters and the radio astronomy sta- mitter to the antenna of a fixed service stations concerned should mutually plan their ¥ tion is limited to 26 dB(W/MHz). operations so as to avoid such occurrences to 5.558 In the bands 55.78–58.2 GHz, 59–64 the maximum extent possible. GHz, 66–71 GHz, 122.25–123 GHz, 130–134 GHz, 5.562B In the bands 105–109.5 GHz, 111.8– 167–174.8 GHz and 191.8–200 GHz, stations in 114.25 GHz, 155.5–158.5 GHz and 217–226 GHz, the aeronautical mobile service may be oper- the use of this allocation is limited to space- ated subject to not causing harmful inter- based radio astronomy only. ference to the inter-satellite service (see No. 5.562C Use of the band 116–122.25 GHz by 5.43). the inter-satellite service is limited to sat- 5.558A Use of the band 56.9–57 GHz by ellites in the geostationary-satellite orbit. inter-satellite systems is limited to links be- The single-entry power flux-density produced tween satellites in geostationary-satellite by a station in the inter-satellite service, for all conditions and for all methods of modula- 7 Note by the Secretariat: This Resolution tion, at all altitudes from 0 km to 1000 km was revised by WRC–2000. above the Earth’s surface and in the vicinity

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of all geostationary orbital positions occu- passive services. Administrations are urged pied by passive sensors, shall not exceed to take all practicable steps to protect these ¥148 dB(W/(m2 · MHz)) for all angles of ar- passive services from harmful interference rival. until the date when the allocation Table is 5.562D Additional allocation: In Korea (Rep. established in the above-mentioned fre- of), the bands 128–130 GHz, 171–171.6 GHz, quency band. 172.2–172.8 GHz and 173.3–174 GHz are also allocated to the radio astronomy service on a II. Old Numbering Scheme primary basis until 2015. 459 In the Region 2 polar areas (north of 5.562E The allocation to the Earth explo- 60°N and south of 60°S), which are subject to ration-satellite service (active) is limited to auroral disturbances, the aeronautical fixed the band 133.5–134 GHz. service is the primary service in the band 5.562F In the band 155.5–158.5 GHz, the al- 160–190 kHz. location to the Earth exploration-satellite 471 The bands 490–495 kHz and 505–510 kHz (passive) and space research (passive) serv- shall be subject to the provisions of No. 3018 ices shall terminate on 1 January 2018. until the entry into force of the reduced 5.562G The date of entry into force of the guardband in accordance with Resolution 210 allocation to the fixed and mobile services in (Mob–87). the band 155.5–158.5 GHz shall be 1 January 472 The frequency 500 kHz is the inter- 2018. national distress and calling frequency for 5.562H Use of the bands 174.8–182 GHz and Morse radiotelegraphy. The conditions for 185–190 GHz by the inter-satellite service is its use are prescribed in Articles 37, 38, N 38 limited to satellites in the geostationary- and 60. satellite orbit. The single-entry power flux- 472A In the maritime mobile service, the density produced by a station in the inter- frequency 490 kHz is, from the date of full satellite service, for all conditions and for implementation of the GMDSS (see Resolu- all methods of modulation, at all altitudes tion 331 (Mob–87)), to be used exclusively for from 0 to 1000 km above the Earth’s surface the transmission by coast stations of naviga- and in the vicinity of all geostationary or- tional and meteorological warnings and ur- bital positions occupied by passive sensors, gent information to ships, by means of ¥ 2 shall not exceed 144 dB(W/(m · MHz)) for narrowband direct-printing telegraphy. The all angles of arrival. conditions for use of the frequency 490 kHz 5.563 Additional allocation: in the United are prescribed in Articles N 38 and 60, and Kingdom, the band 182–185 GHz is also allo- Resolution 329 (Mob–87). In using the band cated to the fixed and mobile services on a 415–495 kHz for the aeronautical radio- primary basis. navigation service, administrations are re- 5.563A In the bands 200–209 GHz, 235–238 quested to ensure that no harmful inter- GHz, 250–252 GHz and 265–275 GHz, ground- ference is caused to the frequency 490 kHz. based passive atmospheric sensing is carried 474 The conditions for the use of frequency out to monitor atmospheric constituents. 518 kHz by the maritime mobile service are 5.563B The band 237.9–238 GHz is also allo- prescribed in Articles 38, N38 and 60 (see Res- cated to the Earth exploration-satellite serv- olution 324 (Mob–87) and Article 14A). ice (active) and the space research service 480 In Region 2, the use of the band 1605– (active) for spaceborne cloud radars only. 1705 kHz by stations of the broadcasting 5.565 The frequency band 275–1000 GHz service is subject to the plan established by may be used by administrations for experi- the Regional Administrative Radio Con- mentation with, and development of, various ference (Rio de Janeiro, 1988.) active and passive services. In this band a In Region 2, in the band 1625–1705 kHz, the need has been identified for the following relationship between the broadcasting, fixed spectral line measurements for passive serv- and mobile services is shown in No. 419. How- ices: ever, the examination of frequency assign- —Radio astronomy service: 275–323 GHz, 327– ments to stations of the fixed and mobile 371 GHz, 388–424 GHz, 426–442 GHz, 453–510 services in the band 1625–1705 kHz under No. GHz, 623–711 GHz, 795–909 GHz and 926–945 1241 shall take account of the allotments ap- GHz; pearing in the Plan established by the Re- —Earth exploration-satellite service gional Administrative Radio Conference (Rio (passive) and space research service de Janeiro, 1988). (passive): 275–277 GHz, 294–306 GHz, 316–334 591 Subject to agreement obtained under GHz, 342–349 GHz, 363–365 GHz, 371–389 GHz, the procedure set forth in Article 14, the 416–434 GHz, 442–444 GHz, 496–506 GHz, 546– band 117.975–137 MHz is also allocated to the 568 GHz, 624–629 GHz, 634–654 GHz, 659–661 aeronautical mobile-satellite (R) service on a GHz, 684–692 GHz, 730–732 GHz, 851–853 GHz secondary basis and on the condition that and 951–956 GHz. harmful interference is not caused to the Future research in this largely unexplored aeronautical mobile (R) service. spectral region may yield additional spectral 599A The use of the band 137–138 MHz by lines and continuum bands of interest to the the mobile-satellite service is subject to the

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application of the coordination and notifica- 669 In the maritime mobile service, the tion procedures set forth in Resolution 46. frequencies 457.525 MHz, 457.550 MHz, 457.575 However, coordination of a space station of MHz, 467.525 MHz, 467.550 MHz and 467.575 the mobile-satellite service with respect to MHz may be used by onboard communication terrestrial services is required only if the stations. The use of these frequencies in ter- power flux-density produced by the station ritorial waters may be subject to the na- exceeds—125 dB(W/m22/4 kHz) at the Earth’s tional regulations of the administration con- surface. The above power flux-density limit cerned. The characteristics of the equipment shall apply until such time as a competent used shall conform to those specified in Ap- world administrative radio conference re- pendix 20. vises it. In making assignments to the space 792A The use of the bands 4500–4800 MHz, stations in the mobile-satellite service in the 6725–7025 MHz, 10.7–10.95 GHz, 11.2–11.45 GHz above band, administrations shall take all and 12.75–13.25 GHz by the fixed-satellite practicable steps to protect the radio astron- service shall be in accordance with the provi- omy service in the 150.05–153 MHz band from sions of Appendix 30B. harmful interference from unwanted emis- 917 In the bands 140.69–140.98 GHz all emissions. sions from airborne stations, and from space 599B The use of the bands 137–138 MHz, 148– stations in the space-to-Earth direction, are 149.9 MHz and 400.15–401 MHz by the mobile- prohibited. satellite service and the band 149.9–150.05 MHz by the land mobile-satellite service is UNITED STATES (US) FOOTNOTES limited to non-geostationary-satellite systems. (These footnotes, each consisting of the 608A The use of the band 148–149.9 MHz by letters US followed by one or more digits, de- the mobile-satellite service is subject to the note stipulations applicable to both Govern- application of the coordination and notifica- ment and non-Government stations.) tion procedures set forth in Resolution 46 US7 In the band 420–450 MHz and within (WARC–92). The mobile-satellite service the following areas, the peak envelope power shall not constrain the development and use output of a transmitter employed in the of fixed, mobile and space operation services amateur service shall not exceed 50 watts, in the band 148–149.9 MHz. Mobile earth sta- unless expressly authorized by the Commis- tions in the mobile-satellite service shall not sion after mutual agreement, on a case-by- produce a power flux-density in excess of case basis, between the Federal Communica- ¥150 dB(W/m2/4 kHz) outside national bound- tions Commission Engineer in Charge at the aries. applicable district office and the military 608B The use of the band 149.9–150.05 MHz area frequency coordinator at the applicable by the land mobile-satellite service is sub- military base. For areas (e) through (j), the ject to the application of the coordination appropriate military coordinator is located and notification procedures set forth in Res- at Peterson AFB, CO. olution 46 (WARC–92). The land mobile-sat- (a) Those portions of Texas and New Mex- ellite service shall not constrain the develop- ico bounded on the south by latitude 31° 45′ ment and use of the radionavigation-sat- North, on the east by longitude 104° 00′ West, ellite service in the band 149.9–150.05 MHz. on the north by latitude 34°30′ North, and on Land mobile earth stations of the land mo- the west by longitude 107° 30′ West; bile-satellite service shall not produce power (b) The entire State of Florida including flux-density in excess of ¥150 dB(W/m2/4 kHz) the Key West area and the areas enclosed outside national boundaries. within a 322-kilometer (200-mile) radius of 647B The use of the band 400.15–401 MHz by Patrick Air Force Base, Florida (latitude the mobile-satellite service is subject to the 28°21′ North, longitude 80° 43′ West), and application of the coordination and notifica- within a 322-kilometer (200-mile) radius of tion procedures set forth in Resolution 46. Eglin Air Force Base, Florida (latitude 30° 30′ However, coordination of a space station of North, longitude 86° 30′ West); the mobile-satellite service with respect to (c) The entire State of Arizona; terrestrial services is required only if the (d) Those portions of California and Nevada power flux-density produced by the station south of latitude 37° 10′ North, and the areas exceeds ¥125 dB(W/m2/4 kHz) at the Earth’s enclosed within a 322-kilometer (200-mile) ra- surface. The above power flux-density limit dius of the Pacific Missile Test Center, Point shall apply until such time as a competent Mugu, California (latitude 34° 09′ North, lon- world administrative radio conference re- gitude 119° 11′ West). vises it. In making assignments to the space (e) In the State of Massachusetts within a stations in the mobile-satellite service in the 160-kilometer (100-mile) radius around loca- above band, administrations shall take all tions at Otis Air Force Base, Massachusetts practicable steps to protect the radio astron- (latitude 41° 45′ North, longitude 70° 32′ omy service in the band 406.1–410 MHz from West). harmful interference from unwanted emis- (f) In the State of California within a 240- sions. kilometer (150-mile) radius around locations

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at Beale Air Force Base, California (latitude New York City; and use of these frequencies 39° 08′ North, longitude 121° 26′ West). by the public safety radio services will not (g) In the State of Alaska within a 160-kilo- be authorized except for locations within 150 meter (100-mile) radius of Clear, Alaska miles of New York City. (latitude 64° 17′ North, longitude 149° 10′ US13 For the specific purpose of transmit- West). ting hydrological and meteorological data in (h) In the State of North Dakota within a co-operation with agencies of the Federal 160-kilometer (100-mile) radius of Concrete, Government, the following frequencies may North Dakota (latitude 48° 43′ North, lon- be authorized to non-Government fixed sta- gitude 97° 54′ West). tions on the condition that harmful inter- (i) In the States of Alabama, Georgia and ference will not be caused to Government South Carolina within a 200-kilometer (124- stations. mile) radius of Warner Robins Air Force Base, Georgia (latitude 32° 38′ North, lon- MHZ gitude 83° 35′ West). (j) In the State of Texas within a 200-kilo- 169.425 171.125 meter (124-mile) radius of Goodfellow Air 169.450 171.825 Force Base, Texas (latitude 31° 25′ North, lon- 169.475 171.850 gitude 100° 24′ West). 169.500 171.875 US8 The use of the frequencies 170.475, 169.525 171.900 171.425, 171.575, and 172.275 MHz east of the 170.225 171.925 Mississippi River, and 170.425, 170.575, 171.475, 170.250 406.125 172.225 and 172.375 MHz west of the Mis- 170.275 406.175 sissippi River may be authorized to fixed, 170.300 409.675 land and mobile stations operated by non- 170.325 409.725 Federal forest firefighting agencies. In addi- 171.025 412.625 tion, land stations and mobile stations oper- 171.050 412.675 ated by non-Federal conservation agencies, 171.075 412.725 for mobile relay operation only, may be au- 171.100 412.775 thorized to use the frequency 172.275 MHz Licensees holding a valid authorization on east of the Mississippi River and the fre- June 11, 1962, to operate on the frequencies quency 171.475 MHz west of the Mississippi 169.575, 170.375 or 171.975 MHz may continue River. The use of any of the foregoing nine to be authorized for such operations on the frequencies shall be on the condition that no condition that harmful interference will not harmful interference will be caused to Gov- be caused to Government stations. ernment stations. US14 When 500 kHz is being used for dis- US10 The use of the frequencies 26.62, tress purposes, ship and coast stations using 143.75, 143.90 and 148.15 MHz may be author- morse telegraph may use 512 kHz for calling. ized to Civil Air Patrol land stations and Civil Air Patrol mobile stations. US18 Navigation aids in the US and pos- US11 The use of the frequencies 166.250 sessions in the bands 9–14 kHz, 90–110 kHz, and 170.150 MHz may be authorized to non- 190–415 kHz, 510–535 kHz, 2700–2900 MHz are Government remote pickup broadcast base normally operated by the U.S. Government. and land mobile stations and to non-Govern- However, authorizations may be made by the ment base, fixed and land mobile stations in FCC for non-Government operation in these the public safety radio services (the sum of bands subject to the conclusion of appro- the bandwidth of emission and tolerance is priate arrangements between the FCC and not to exceed 25 kHz, except that authoriza- the Government agencies concerned and tions in existence as of December 20, 1974, upon special showing of need for service using a larger bandwidth are permitted to which the Government is not yet prepared to continue in operation until December 20, render. 1979) in the continental United States US25 The use of frequencies in the band (excluding Alaska) only, except within the 25.85–26.1 MHz may be authorized in any area area bounded on the west by the Mississippi to non-Government remote pickup broadcast River, on the north by the parallel of lati- base and mobile stations on the condition tude 37°30′ N., and on the east and south by that harmful interference is not caused to that arc of the circle with center at Spring- stations in the broadcasting service. field, Illinois, and radius equal to the airline US26 The bands 117.975–121.4125 MHz, distance between Springfield, Illinois, and 123.5875–128.8125 MHz and 132.0125–136.0 MHz Montgomery, Alabama, subtended between are for air traffic control communications. the foregoing west and north boundaries, on US28 The band 121.5875–121.9375 MHz is for the condition that harmful interference will use by aeronautical utility land and mobile not be caused to Government stations stations, and for air traffic control commu- persent or future in the Government band nications. 162–174 MHz. The use of these frequencies by US30 The band 121.9375–123.0875 MHz is remote pickup broadcast stations will not be available to FAA aircraft for communica- authorized for locations within 150 miles of tions pursuant to flight inspection functions

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in accordance with the Federal Aviation Act US49 The non-Government radiolocation of 1958. service may be authorized in the band 5460– US31 Except as provided below the band 5470 MHz on the condition that it does not 121.9375–123.0875 MHz is for use by private air- cause harmful interference to the aero- craft stations. nautical or maritime radionavigation serv- The frequencies 122.700, 122.725, 122.750, ices or to the Government radiolocation 122.800, 122.950, 122.975, 123.000, 123.050 and service. 123.075 MHz may be assigned to aeronautical US50 The non-Government radiolocation advisory stations. In addition, at landing service may be authorized in the band 5470– areas having a part-time or no airdrome con- 5600 MHz on the condition that it does not trol tower or FAA flight service station, cause harmful interference to the maritime these frequencies may be assigned on a sec- radionavigation service or to the Govern- ondary non-interference basis to aero- ment radiolocation service. nautical utility mobile stations, and may be US51 In the band 5600–5650 MHz and 9300– used by FAA ground vehicles for safety re- 9500 MHz, the non-Government radiolocation lated communications during inspections service shall not cause harmful interference conducted at such landing areas. to the Government radiolocation service. The frequencies 122.850, 122.900 and 122.925 US53 In view of the fact that the band MHz may be assigned to aeronautical 13.25–13.4 GHz is allocated to doppler naviga- multicom stations. In addition, 122.850 MHz tion aids, Government, and non-Government may be assigned on a secondary noninter- airborne doppler radars in the aeronautical ference basis to aeronautical utility mobile radionavigation service are permitted in the stations. In case of 122.925 MHz, US213 ap- band 8750–8850 MHz only on the condition plies. that they must accept any interference that Air carrier aircraft stations may use may be experienced from stations in the 122.000 and 122.050 MHz for communication radiolocation service in the band 8500–10000 with aeronautical stations of the Federal MHz. Aviation Administration and 122.700, 122.800, US54 Temporarily, and until certain oper- 122.900 and 123.000 MHz for communications ations of the radiolocation service in the with aeronautical stations pertaining to safety of flight with and in the vicinity of band 9000–9200 MHz can be transferred to landing areas not served by a control tower. other appropriate frequency bands, the aeronautical radionavigation service may, in cer- Frequencies in the band 121.9375–122.6875 MHz may be used by aeronautical stations of tain geographical areas, be subject to receiv- the Federal Aviation Administration for ing some degree of interference from the communication with private aircraft sta- radiolocation service. tions only, except that 122.000 and 122.050 US58 In the band 10000–10500 MHz, pulsed MHz may also be used for communication emissions are prohibited, except for weather with air carrier aircraft stations concerning radars on board meteorological satellites in weather information. the band 10000–10025 MHz. The amateur serv- US32 Except for the frequencies 123.3 and ice and the non-Government radiolocation 123.5 MHz, which are not authorized for Gov- service, which shall not cause harmful inter- ernment use, the band 123.1125–123.5875 MHz ference to the Government radiolocation is available for FAA communications inci- service, are the only non-Government serv- dent to flight test and inspection activities ices permitted in this band. The non-Govern- pertinent to aircraft and facility certifi- ment radiolocation service is limited to sur- cation on a secondary noninterference basis. vey operations as specified in footnote US33 The band 123.1125–123.5875 MHz is for US108. use by flight test and aviation instructional US59 The band 10.5–10.55 GHz is restricted stations. The frequency 121.950 MHz is avail- to systems using type NON (AO) emission able for aviation instructional stations. with a power not to exceed 40 watts into the US41 The Government radiolocation serv- antenna. ice is permitted in the band 2450–2500 MHz on US65 The use of the band 5460–5650 MHz by condition that harmful interference is not the maritime radionavigation service is lim- caused to non-Government services. ited to shipborne radars. US44 The non-Government radiolocation US66 The use of the band 9300–9500 MHz by service may be authorized in the band 2900– the aeronautical radionavigation service is 3100 MHz on the condition that no harmful limited to airborne radars and associated interference is caused to Government serv- airborne beacons. In addition, ground-based ices. radar beacons in the aeronautical radio- US48 The non-Government radiolocation navigation service are permitted in the band service may be authorized in the bands 5350– 9300–9320 MHz on the condition that harmful 5460 MHz and 9000–9200 MHz on the condition interference is not caused to the maritime that it does not cause harmful interference radionavigation service. to the aeronautical radionavigation service US67 The use of the band 9300–9500 MHz by or to the Government radiolocation service. the meteorological aids service is limited to

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ground-based radars. Radiolocation installa- US80 Government stations may use the tions will be coordinated with the meteoro- frequency 122.9 MHz subject to the following logical aids service and, insofar as prac- conditions: ticable, will be adjusted to meet the require- (a) All operations by Government stations ments of the meteorological aids service. shall be restricted to the purpose for which US69 In the band 31.8–33.4 GHz, ground- the frequency is authorized to non-Govern- based radionavigation aids are not permitted ment stations, and shall be in accordance except where they operate in cooperation with the appropriate provisions of the Com- with airborne or shipborne radionavigation mission’s Rules and Regulations, Part 87, devices. Aviation Services; (b) Use of the frequency is required for co- US70 The meteorological aids service al- ordination of activities with Commission li- location in the band 400.15–406.0 MHz does censees operating on this frequency; and not preclude the operation therein of associ- (c) Government stations will not be au- ated ground transmitters. thorized for operation at fixed locations. US71 In the band 9300–9320 MHz, low-pow- US81 The band 38.0–38.25 MHz is used by ered maritime radionavigation stations shall both Government and non-Government radio be protected from harmful interference astronomy observatories. No new fixed or caused by the operation of land-based equip- mobile assignments are to be made and Gov- ment. ernment stations in the band 38.0–38.25 MHz US74 In the bands 25.55–25.67, 73.0–74.6, will be moved to other bands on a case-by- 406.1–410.0, 608–614, 1400–1427, 1660.5–1670.0, case basis, as required, to protect radio as- 2690–2700 and 4990–5000 MHz and in the bands tronomy observations from harmful inter- 10.68–10.7, 15.35–15.4, 23.6–24.0, 31.3–31.5, 86–92, ference. As an exception, however, low pow- 105–116 and 217–231 GHz, the radio astronomy ered military transportable and mobile sta- service shall be protected from extraband ra- tions used for tactical and training purposes diation only to the extent that such radi- will continue to use the band. To the extent ation exceeds the level which would be practicable, the latter operations will be ad- present if the offending station were oper- justed to relieve such interference as may be ating in compliance with the technical caused to radio astronomy observations. In standards or criteria applicable to the serv- the event of harmful interference from such ice in which it operates. Radio astronomy local operations, radio astronomy observ- observations in these bands are performed at atories may contact local military com- the locations listed in US311. mands directly, with a view to effecting re- US77 Government stations may also be lief. A list of military commands, areas of authorized: coordination, and points of contact for pur- (a) Port operations use on a simplex basis poses of relieving interference may be ob- by coast and ship stations of the frequencies tained upon request from the Office of the 156.6 and 156.7 MHz; Chief Engineer, Federal Communications Commission, Washington, D.C. 20554. (b) Duplex port operations use of the fre- US82 Until July 1, 1991, the assignable frequency 157.0 MHz for ship stations and 161.6 quencies in the bands 4143.6–4146.6 kHz, MHz for coast stations; 6218.6–6224.6 kHz, 8291.1–8297.3 kHz, 12429.2– (c) Inter-ship use of 156.3 MHz on a simplex 12439.5 kHz, 16587.1–16596.4 kHz and 22124– basis; and 22139.5 kHz may be authorized on a shared (d) Vessel traffic services under the control nonpriority basis to Government and non- of the U.S. Coast Guard on a simplex basis by Government ship and coast stations (SSB te- coast and ship stations on the frequencies lephony, with peak envelope power not to ex- 156.25, 156.55, 156.6 and 156.7 MHz. ceed 1 kW). Effective July 1, 1991, the assign- (e) Navigational bridge-to-bridge and navi- able frequencies in the bands 4146–4152 kHz, gational communications on a simplex basis 6224–6233 kHz, 8294–8300 kHz, 12353–12368 kHz, by coast and ship stations on the frequencies 16528–16549 kHz, 18825–18846 kHz, 22159–22180 156.375 and 156.65 MHz. kHz, and 25100–25121 kHz may be authorized US78 In the mobile service, the fre- on a shared non-priority basis to Govern- quencies between 1435 and 1535 MHz will be ment and non-Government ship and coast assigned for aeronautical telemetry and as- stations (SSB telephony, with peak envelope sociated telecommand operations for flight power not to exceed 1 kW). testing of manned or unmanned aircraft and US87 The frequency 450 MHz, with max- missiles, or their major components. Permis- imum emission bandwidth of 500 kHz, may be sible usage includes telemetry associated used by Government and non-Government with launching and reentry into the earth’s stations for space telecommand at specific atmosphere as well as any incidental orbit- locations, subject to such conditions as may ing prior to reentry of manned objects under- be applied on a case-by-case basis. going flight tests. The following frequencies US90 In the band 2025–2110 MHz, the power are shared with flight telemetry mobile sta- flux-density at the Earth’s surface produced tions: 1444.5, 1453.5, 1501.5, 1515.5, 1524.5 and by emissions from a space station in the 1525.5 MHz. space operation, Earth exploration-satellite,

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or space research services that is transmit- the Government is not yet prepared to ting in the space-to-space direction, for all render by way of the radionavigation service. conditions and all methods of modulation, US106 The frequency 156.75 MHz is avail- shall not exceed the following values in any able for assignment to non-Government and 4 kHz sub-band: Government stations for environmental com- (a) ¥154 dBW/m2 for angles of arrival above munications in accordance with an agreed the horizontal plane (d) of 0° to 5°, plan. (b) ¥154 + 0.5(d¥5) dBW/m2 for d of 5° to 25°, US107 The frequency 156.8 MHz is the na- and tional distress, safety and calling frequency (c) ¥144 dBW/m2 for d of 25° to 90°. for the maritime mobile VHF radiotelephone US93 In the conterminous United States, service for use by Government and non-Gov- the frequency 108.0 MHz may be authorized ernment ship and coast stations. Guard for use by VOR test facilities, the operation bands of 156.7625–156.7875 and 156.8125–156.8375 of which is not essential for the safety of life MHz are maintained. or property, subject to the condition that no US108 Within the bands 3300–3500 MHz and 10000–10500 MHz, survey operations, using interference is caused to the reception of FM transmitters with a peak power not to ex- broadcasting stations operating in the band ceed five watts into the antenna, may be au- 88–108 MHz. In the event that such inter- thorized for Government and non-Govern- ference does occur, the licensee or other ment use on a secondary basis to other Gov- agency authorized to operate the facility ernment radiolocation operations. shall discontinue operation on 108 MHz and US110 In the bands 3100–3300 MHz, 3500– shall not resume operation until the inter- 3650 MHz, 5250–5350 MHz, 8500–9000 MHz, 9200– ference has been eliminated or the complaint 9300 MHz, 9500–10000 MHz, 13.4–14.0 GHz, 15.7– otherwise satisfied. VOR test facilities oper- 17.3 GHz, 24.05–24.25 GHz and 33.4–36.0 GHz, ating on 108 MHz will not be protected the non-Government radiolocation service against interference caused by FM broad- shall be secondary to the Government radio- casting stations operating in the band 88–108 location service and to airborne doppler ra- MHz not shall the authorization of a VOR dars at 8800 MHz, and shall provide protec- test facility on 108 MHz preclude the Com- tion to airport surface detection equipment mission from authorizing additional FM (ASDE) operating between 15.7–16.2 GHz. broadcasting stations. US112 The frequency 123.1 MHz is for US99 In the band 1668.4–1670.0 MHz, the search and rescue communications. This fre- meteorological aids service (radiosonde) will quency may be assigned for air traffic con- avoid operations to the maximum extent trol communications at special aeronautical practicable. Whenever it is necessary to op- events on the condition that no harmful in- erate radiosondes in the band 1668.4–1670 MHz terference is caused to search and rescue within the United States, notification of the communications during any period of search operations shall be sent as far in advance as and rescue operations in the licale involved. possible to the Electromagnetic Manage- US116 In the bands 890–902 MHz and 935– ment Unit, National Science Foundation, 941 MHz, no new assignments are to be made Washington, D.C. 20550. to Government radio stations after July 10, US102 In Alaska only, the frequency 122.1 1970 except on case-by-case basis, to experi- MHz may also be used for air carrier air traf- mental stations and to additional stations of fic control purposes at locations where other existing networks in Alaska. Government as- frequencies are not available to air carrier signments existing prior to July 10 1970 to aircraft stations for air traffic control. stations in Alaska may be continued. All US104 The LORAN Radionavigation Sys- other existing Government assignments tem has priority in band 90–110 kHz in the shall be on a secondary basis to stations in United States and possessions. Radiolocation the non-Government land mobile service and land stations making use of LORAN type shall be subject to adjustment or removal equipment may be authorized to both Gov- from the bands 890–902 MHz, 928–932 MHz and ernment and non-Government on a sec- 935–941 MHz at the request of the FCC. ondary service basis for offshore radio- US117 In the band 406.1–410 MHz, all new location activities only at specific locations authorizations will be limited to a maximum and subject to such technical and oper- 7 watts per kHz of necessary bandwidth; ex- ational conditions (e.g., power, emission, isting authorizations as of November 30, 1970 pulse rate and phase code, hours of oper- exceeding this power are permitted to con- ation), including on-the-air testing, as may tinue in use. be required on a case-by-case basis to ensure New authorizations in this band stations, protection of the LORAN radionavigation other than mobile stations, within the fol- system from harmful interference and to en- lowing areas are subject to prior coordina- sure mutual compability among radio- tion by the applicant through the Electro- location operators. Such authorizations to magnetic Spectrum Management Unit, Na- stations in the radiolocation service are fur- tional Science Foundation, Washington, D.C. ther subject to showing of need for service 20550, (202–357–9696): which is not currently provided and which Arecibo Observatory:

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Rectangle between latitudes 17°30′N. and US205 Tropospheric scatter systems are 19°00′N. and between longitudes 65°10′ W. and prohibited in the band 2500–2690 MHz. 68°00′W. US208 Planning and use of the band 1559– Owens Valley Radio Observatory: 1626.5 MHz necessitate the development of Two contiguous rectangles, one between technical and/or operational sharing criteria latitudes 36°N. and 37°N. and longitudes to ensure the maximum degree of electro- 117°40′W. and 118°30′W. and the second be- magnetic compatibility with existing and tween latitudes 37°N. and 38°N. and lon- planned systems within the band. gitudes 118°W. and 118°50′W. US209 The use of frequencies 460.6625, Sagamore Hill Radio Observatory: 460.6875, 460.7125, 460.7375, 460.7625, 460.7875, Rectangle between latitudes 42°10′N. and 460.8125, 460.8375, 460.8625, 465.6625, 465.6875, 43°00′N. and longitudes 70°31′W. and 71°31′W. 465.7125, 465.7375, 465.7625, 465.7875, 465.8125, Table Mountain Solar Observatory 465.8375, and 465.8625 MHz may be authorized, (NOAA), Boulder, Colorado (407–409 MHz with 100 mW or less output power, to Govern- only): ment and non-Government radio stations for Rectangle between latitudes 39°30′N. and one-way, non-voice bio-medical telemetry 40°30′N. and longitudes 104°30′W. and 106°00′W. operations in hospitals, or medical or con- or the Continental Divide whichever is far- valescent centers. ther east. US210 In the sub-band 40.66–40.7 MHz and The non-Government use of this band is 216–220 MHz, frequencies may be authorized limited to the radio astronomy service and to Government and non-Government sta- as provided by footnote US13. tions on a secondary basis for the tracking US201 In the band 460–470 MHz, space sta- of, and telemetering of scientific data from, tions in the earth exploration-satellite serv- ocean buoys and wildlife. Operation in these ice may be authorized for space-to-earth bands is subject to the technical standards transmissions on a secondary basis with re- specified in: (a) Section 8.2.42 of the NTIA spect to the fixed and mobile services. When Manual for Government use, or (b) 47 CFR operating in the meteorological-satellite 90.248 for non-Government use. After Janu- service, such stations shall be protected from ary 1, 2002, no new assignments shall be au- harmful interference from other applications thorized in the band 216–217 MHz. of the earth exploration-satellite service. US211 In the bands 1670–1690, 5000–5250 The power flux produced at the earth’s sur- MHz and 10.7–11.7, 15.1365–15.35, 15.4–15.7, 22.5– face by any space station in this band shall 22.55, 24–24.05, 31.0–31.3, 31.8–32.0, 40.5–42.5, 84– not exceed ¥152 dBW/m2⁄4 kHz. 86, 102–105, 116–126, 151–164, 176.5–182, 185–190, US203 Radio astronomy observations of 231–235, 252–265 GHz, applicants for airborne the formaldehyde line frequencies 4825–4835 or space station assignments are urged to MHz and 14.470–14.500 GHz may be made at take all practicable steps to protect radio as- certain radio astronomy observatories as in- tronomy observations in the adjacent lands dicated below: from harmful interference; however, US74 applies. BANDS TO BE OBSERVED US212 In the State of Alaska, the carrier frequency 5167.5 kHz (assigned frequency 5168.9 kHz) is designated for emergency com- 4 GHz 14 Observatory GHz munications. This frequency may also be used in the Alaska-Private Fixed Service for X ...... National Astronomy and Ionosphere Cen- calling and listening, but only for estab- ter, Arecibo, Puerto Rico. X ...... X ...... National Radio Astronomy Observatory, lishing communications before switching to Green Bank, W. Va. another frequency. The maximum power is X ...... X ...... National Radio Astronomy Observatory, limited to 150 watts peak envelope power Socorro, New Mexico. (PEP). X ...... X ...... Hat Creek Observatory (U of Calif.), Hat US213 The frequency 122.925 MHz is for Creek, Cal. use only for communications with or be- X ...... X ...... Haystack Radio Observatory (MIT-Lincoln tween aircraft when coordinating natural re- Lab), Tyngsboro, Mass. sources programs of Federal or State natural X ...... X ...... Owens Vally Radio Observatory (Cal. Tech.), Big Pine, Cal. resources, agencies, including forestry man- ...... X ...... Five College Radio Astronomy Observ- agement and fire suppression, fish and game atory Quabbin Reservoir (near Am- management and protection and environ- herst), Massachusetts. mental monitoring and protection. US214 The frequency 157.1 MHz is the pri- Every practicable effort will be made to mary frequency for liaison communications avoid the assignment of frequencies to sta- between ship stations and stations of the tions in the fixed or mobile services in these United States Coast Guard. bands. Should such assignments result in US215 Emissions from microwave ovens harmful interference to these observations, manufactured on and after January 1, 1980, the situation will be remedied to the extent for operation on the frequency 915 MHz must practicable. be confined within the band 902–928 MHz.

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Emissions from microwave ovens manufac- US223 Within 75 miles of the United tured prior to January 1, 1980, for operation States/Canada border on the Great Lakes, on the frequency 915 MHz must be confined the St. Lawrence Seaway, and the Puget within the band 902–940 MHz. Sound and the Strait of Juan de Fuca and its Radiocommunications services operating in approaches, use of coast transmit frequency the band 928–940 MHz must accept any harm- 162.025 MHz and ship station transmit fre- ful interference from the operation of micro- quency 157.425 MHz (VHF maritime mobile wave ovens manufactured before January 1, service Channel 88) may be authorized for 1980. use by the maritime service for public cor- US216 The frequencies 150.775 and 150,790, respondence. and the bands 152–152.0150, 163.2375–163.2625, US224 Government systems utilizing 462.9375–463.1875 and 467.9375–468.1875 MHz are spread spectrum techniques for terrestrial authorized for Governmelt/non-Governmelt communication, navigation and identifica- operations in medical radio commulications tion may be authorized to operate in the band 960–1215 MHz on the condition that systems. harmful interference will not be caused to US217 Pulse-ranging radimlocation sys- the aeronautical radionavigation service. tems may be authorized for Governmelt and These systems will be handled on a case-by- non-Government use in the 420–450 MHz band case basis. Such systems shall be subject to along the shorelines of Alaska and the con- a review at the national level for operational tiguous 48 states. Spread spectrum radio- requirements and electromagnetic compat- location systems may be authorized in the ibility prior to development, procurement or 420–435 MHz portion of the band for operation modification. within the contiguous 48 States and Alaska. US225 In addition to its present Govern- Authorizations will be eranted on a case-by- ment use, the frequency band 510–525 kHz is case basis; howeter, operations proposed to available to Government and non-Govern- be located within the zones set forth in ment aeronautical radionavigation stations US228 should not expect tm be accommo- inland of the Territorial Base Line as coordi- dated. All stations operating in accordance nated with the military services. In addition, with this provision will be secondary to sta- the frequency 510 kHz is available for non- tions operating in accordance with the Table Government ship-helicopter operations when of Frequency Allocations. beyond 100 nautical miles from shore and re- US218 The band 902–928 MHz is available quired for aeronautical radionavigation. for Location and Monitoring Service (LMS) US226 In the State of Hawaii, stations in systems subject to not causing harmful in- the aeronautical radionavigation service terference to the operation of all Govern- shall not cause harmful interference to U.S. ment stations authorized in these bands. Navy reception from its station at Honolulu These systems must tolerate interference on 198 kHz. from the operation of industrial, scientific, US228 Applicants for operation in the and medical (ISM) devices and the operation band 420 to 450 MHz under the provisions of of Government stations authorized in these US217 should not expect to be accommodated bands. if their area of service is within the fol- US220 The frequencies 36.25 and 41.71 MHz lowing geographic areas: may be authorized to Government stations (a) Those portions of Texas and New Mex- and non-Government stations in the petro- ico bounded on the south by latitude 31°45° leum radio service, for oil spill containment North, on the east by longitude 104°00 West, and cleanup operations. The use of these fre- on the north by latitude 34°30° North, and on quencies for oil spill containment or cleanup the West by longitude 107°30 West. operations is limited to the inland and coast- (b) In the State of Massachusetts within a al waterway regions. 160 kilometers (100 miles) radius around the US221 Use of the mobile service in the locations of Otis Air Force Base, Massachu- bands 525–535 kHz and 1605–1615 kHz is lim- setts (latitude 41°45′ North, longitude 70°32′ ited to distribution of public service infor- West). mation from Travelers Information stations (c) In the State of California within a 240 operating on 530 kHz and 1610 kHz. kilometer (150 mile) radius of Beale Air ° ′ US222 In the band 2025–2035 MHz geo- Force Base, California (latitude 39 08 North, ° ′ stationary operational environmental sat- longitude 121 26 West). ellite Earth stations in the space research (d) In the State of Alaska, within a 160 kil- and Earth exploration-satellite services may ometer (100 mile) radius of Clear, Alaska ° ′ ° ′ be authorized on a coequal basis for Earth- (latitude 64 17 North, longitude 149 10 West). to-space transmissions for tracking, telem- (e) In the State of North Dakota, within a etry, and telecommand at the sites listed 160 kilometer (100 mile) radius of Concrete, ° ′ below: North Dakota (latitude 48 43 North, longitude 97°54′ West). Wallops Is., Va. 37°50′48″ N., 75°27′33″ W. (f) Those portions of Texas and New Mexico Seattle, Wash. 47°34′15″ N., 122°33′10″ W. bounded on the south by latitude 31°45′ Honolulu, Hawaii 21°21′12″N., 157°52′36″W. North, on the east by longitude 104°100′ West,

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on the north by latitude 34°30′ North, and on Force Base, Texas (latitude 31°25 North, lon- the West by longitude 107°30′ West. gitude 100°24 West). (g) In the state of Alaska within a 160 kilo- US229 In the band 216–220 MHz, the fixed, meter (100 mile) radius of Clear, Alaska aeronautical mobile, land mobile, and radio- (latitude 64 degrees 17 north, longitude 149 location services are allocated on a sec- degrees 10 west). ondary basis for Government operations. The (h) In the state of North Dakota within a use of the fixed, aeronautical mobile, and 160 kilometer (100 mile) radius of Concrete, land mobile services shall be limited to tele- North Dakota (latitude 48 degrees 43 north, longitude 97 degrees 54 west). metering and associated telecommand oper- (i) In the States of Alabama, Florida, Geor- ations. After January 1, 2002, no new assign- gia and South Carolina within a 200 kilo- ments shall be authorized in the band 216–217 meter (124 mile) radius of Warner Robins Air MHz. Further, Government and non-Govern- Force Base, Georgia (latitude 32°38 North, ment assignments in the sub-band 216.88– longitude 83°35 West). 217.08 MHz shall protect the Navy’s SPASUR (j) In the State of Texas within a 200 kilo- system, which operates on a primary basis at meter (124 mile) radius of Goodfellow Air the following sites:

Transmit frequency of 216.98 MHz Receive frequencies of 216.965–216.995 MHz North latitude/west Protection North latitude/west Protection Location longitude radius Location longitude radius

Lake Kickapoo, TX ...... 33° 32′/098° 45′ 250 km San Diego, CA ...... 32° 34′/116° 58′ 50 km Jordan Lake, AL ...... 32° 39′/086° 15′ 150 km Elephant Butte, NM ..... 33° 26′/106° 59′ 50 km Gila River, AZ ...... 33° 06′/112° 01′ 150 km Red River, AR ...... 33° 19′/093° 33′ 50 km Silver Lake, MO ...... 33° 08′/091° 01′ 50 km Hawkinsville, GA ...... 32° 17′/083° 32′ 50 km Fort Stewart, GA ...... 31° 58′/081° 30′ 50 km

US230 Non-government land mobile serv- until July 1, 1991, when these bands are to be ice is allocated on a primary basis in the allocated exclusively to the maritime mobile bands 422.1875–425.4875 and 427.1875–429.9875 service. MHz within 50 statute miles of Detroit, MI, US236 Until implementation procedures and Cleveland, OH, and in the bands 423.8125– and schedules are determined by future con- 425.4875 and 428.8125–429.9875 MHz within 50 ferences of the International Telecommuni- statute miles of Buffalo, NY. cations Union (See Resolution 319), the bands US231 When an assignment cannot be ob- 4000–4063 and 8100–8195 kHz are also allocated tained in the bands between 200 and 525 kHz, on a primary basis to the fixed service. which are allocated to aeronautical radio- US238 The 1605–1705 kHz band is allocated navigation, assignments may be made to to the radiolocation service on a secondary aeronautical radiobeacons in the maritime basis. mobile band 435–490 kHz, on a secondary US239 Aeronautical radionavigation sta- basis, subject to the coordination and agree- tions (radiobeacons) may be authorized, pri- ment of those agencies having assignments marily for off-shore use, in the band 525–535 within the maritime mobile band which may kHz on a non-interference basis to travelers be affected. Assignments to aeronautical information stations. radionavigation radiobeacons in the band US240 The bands 1715–1725 and 1740–1750 435–490 kHz shall not be a bar to any required kHz are allocated on a primary basis and the changes to the maritime mobile radio serv- bands 1705–1715 kHz and 1725–1740 kHz on a ice and shall be limited to Government not secondary basis to the aeronautical radio- employing voice emissions. navigation service, (radiobeacons). US235 Until implementation procedures US244 The band 136.000–137.000 MHz is al- and schedules are determined by future con- located to the non-Federal Government aero- ferences of the International Telecommuni- nautical mobile (R) service on a primary cations Union, the bands 9775–9900 kHz, 11650– basis, and is subject to pertinent inter- 11700 kHz, 11975–12050 kHz, 13600–13800 kHz, national treaties and agreements. The fre- 15450–15600 kHz, 17550–17700 kHz, and 21750– quencies 136.000, 136.025, 136.050, 136.075, 21850 kHz to be implemented by the broad- 136.100, 136.125, 136.150, 136.175, 136.200, 136.225, casting service are allocated as an alter- 136.250, 136.275, 136.300, 136.325, 136.350, 136.375, native allocation to the fixed service. The 136.400, 136.425, 136.450, and 136.475 MHz are bands 12230–12330 kHz, 16360–16460 kHz, 17360– available on a shared basis to the Federal 17410 kHz, 18780–18900 kHz, 19680–19800 kHz, Aviation Administration for air traffic con- 22720–22855 kHz, 25110–25210 kHz, and 26100– trol purposes, such as automatic weather ob- 26175 kHz to be implemented by the mari- servation stations (AWOS), automatic ter- time mobile service are also allocated as an minal information services (ATIS), flight in- alternative allocation to the fixed service formation services-broadcast (FIS–B), and

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airport control tower communications. Ex- mize potential interference to the observa- isting operational meteorological satellites tions insofar as it is practicable. in the band 136–137 MHz may continue to operate on a not-to-interfere basis to aeronautical mobile (R) stations, until January 1, 2002. No new assignments will be made to stations in the meteorological-satellite serv- Hat Creek Observ- Rectangle between latitudes 40° 00′ N ice. atory, Hat Creek, and 42° 00′ N and between latitudes US245 The fixed-satellite service is lim- California. 120° 15′ W and 122° 15′ W. ited to international inter-continental sys- Owens Valley Radio Two contiguous rectangles, one be- tems and subject to case-by-case electro- Observatory, Big tween 36° 00′ N and 37°00′ N and magnetic compatibility analysis. Pine, California. between longitudes 117° 40′ W and ° ′ US246 No station shall be authorized to 118 30 W and the second between latitudes 37° 00′ N and 30° 00′ N transmit in the following bands: and between longitudes 118° 00′ W 608–614 MHz, except for medical telemetry and 118° 50′ W. equipment 1, 1400–1427 MHz, 1660.5–1668.4 MHz, Haystack Radio Ob- Rectangle between latitudes 41° 00′ N 2690–2700 MHz, 4990–5000 MHz, 10.68–10.7 GHz, servatory, and 43° 00′ N and between lon- 15.35–15.4 GHz, 23.6–24 GHz, 31.3–31.8 GHz, 50.2– Tyngsboro, Mas- gitudes 71° 00′ W and 73° 00′ W. 50.4 GHz, 52.6–54.25 GHz, 86–92 GHz, 100–102 sachusetts. ° ′ GHz, 105–116 GHz, 164–168 GHz, 182–185 GHz, National Astronomy Rectangle between latitudes 17 30 N and Ionosphere and 19° 00′ N and between lon- 217–231 GHz. Center, Arecibo, gitudes 65° 10′ W and 68° 00′ W. US247 The band 10100–10150 kHz is allo- Puerto Rico. cated to the fixed service on a primary basis National Radio As- Rectangle between latitudes 37° 30′ N outside the United States and possessions. tronomy Observ- and 39° 15′ N and between lon- Transmissions of stations in the amateur atory, Green gitudes 78° 30′ W and 80° 30′ W. service shall not cause harmful interference Bank, West Vir- to this fixed service use and stations in the ginia. amateur service shall make all necessary ad- US258 In the band 8025–8400 MHz, the non- justments (including termination of trans- Government earth exploration-satellite serv- mission) if harmful interference is caused. ice (space-to-earth) is allocated on a primary US251 The band 12.75–13.25 GHz is also al- basis. Authorizations are subject to a case- located to the space research, (deep space) by-case electromagnetic compatibility anal- (space-to-earth) service for reception only at ° ° ¥ ysis. Goldstone, California. 35 18 N. 116 54 W. US259 Stations in the radiolocation serv- US252 The bands 2110–2120 MHz, 7145–7190 ice in the band 17.3–17.7 GHz, shall be re- MHz, and 34.2–34.7 GHz are also allocated for stricted to operating powers of less than 51 Earth-to-space transmissions in the space re- dBW eirp after feeder link stations for the search service, limited to deep space commu- broadcasting-satellite service are authorized nications at Goldstone, California. and brought into use. US254 In the band 18.6–18.8 GHz the fixed US260 Aeronautical mobile communica- and mobile services shall be limited to a tions which are an integral part of aero- maximum equivalent isotropically radiated nautical radionavigation systems may be power of +35 dBW and the power delivered to satisfied in the bands 1559–1626.5 MHz, 5000– ¥ the antenna shall not exceed 3 dBW. 5250 MHz and 15.4–15.7 GHz. US255 In addition to any other applicable US261 The use of the band 4200–4400 MHz limits, the power flux-density across the 200 by the aeronautical radionavigation service MHz band 18.6–18.8 GHz produced at the sur- is reserved exclusively for airborne radio al- face of the Earth by emissions from a space timeters. Experimental stations will not be station under assumed free-space propaga- authorized to develop equipment for oper- ¥ tion conditions shall not exceed 95 dB(W/ ational use in this band other than equip- 2 m ) for all angles of arrival. This limit may ment related to altimeter stations. However, be exceeded by up to 3 dB for no more than passive sensing in the earth-exploration sat- 5% of the time. ellite and space research services may be au- US256 Radio astronomy observations may thorized in this band on a secondary basis be made in the band 1718.8–1722.2 MHz on an (no protection is provided from the radio al- unprotected basis. Agencies providing other timeters). services in this band in the geographic areas US262 The use of the band 31.8–32.3 GHz by listed below should bear in mind that their the space research service (deep space) operations may affect those observations, (space-to-Earth) is limited to Goldstone, and those agencies are encouraged to mini- California. US263 In the bands 21.2–21.4 GHz, 22.21–22.5 1 Medical telemetry equipment shall not GHz, 36–37 GHz, 56.26–58.2 GHz, 116–126 GHz, cause harmful interference to radio astron- 150–151 GHz, 174.5–176.5 GHz, 200–202 GHz, and omy operations in the band 608–614 MHz and 235–238 GHz, the space research and the shall be coordinated under the requirements Earth exploration-satellite services shall not found in 47 CFR 95.1119. receive protection from the fixed and mobile

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services operating in accordance with the stations authorized in this band. Further, Table of Frequency Allocations. the Amateur Service is prohibited in those US264 In the band 48.94–49.04 GHz, air- portions of Texas and New Mexico bounded borne stations shall not be authorized. on the south by latitude 31°41′ North, on the US265 In the band 10.6–10.68 GHz, the fixed east by longitude 104°11′ West, and on the service shall be limited to a maximum equiv- north by latitude 34°30′ North, and on the alent isotropically radiated power of 40 dBW west by longitude 107°30′ West; in addition, and the power delivered to the antenna shall outside this area but within 150 miles of ¥ not exceed 3dBW per 250 kHz. these boundaries of White Sands Missile US266 Licensees in the public safety radio Range the service is restricted to a max- services holding a valid authorization on imum transmitter peak envelope power out- June 30, 1958, to operate in the frequency band 156.27–157.47 MHz or on the frequencies put of 50 watts. 161.85, 161.91 or 161.97 MHz may, upon proper US276 Except as otherwise provided for in application, continue to be authorized for this note, use of the bands 2320–2345 MHz and such operation, including expansion of exist- 2360–2385 MHz by the mobile service is lim- ing systems, until such time as harmful in- ited to aeronautical telemetering and associ- terference is caused to the operation of any ated telecommand operations for flight test- authorized station other than those licensed ing of manned or unmanned aircraft, mis- in the public safety radio service. siles or major components thereof. The fol- US267 In the band 902–928 MHz, amateur lowing four frequencies are shared on a co- radio stations shall not operate within the equal basis by Government and non-Govern- States of Colorado and Wyoming, bounded by ment stations for telemetering and associ- the area of: latitude 39°N. to 42°N. and lon- ated telecommand operations of expendable gitude 103°W. to 108°W. and reusable launch vehicles whether or not US268 The bands 890–902 MHz and 928–942 such operations involve flight testing: 2332.5 MHz are also allocated to the radiolocation MHz, 2364.5 MHz, 2370.5 MHz, and 2382.5 MHz. service for Government ship stations (off- All other mobile telemetering uses shall be shore ocean areas) on the condition that secondary to the uses listed elsewhere in this harmful interference is not caused to non- note. Government land mobile stations. The provisions of footnote US116 apply. US277 The band 10.6–10.68 GHz is also allo- US269 In the band 2500–2690 MHz, appli- cated on a primary basis to the radio astron- cants for space station assignments are omy service. However, the radio astronomy urged to take all practicable steps to protect service shall not receive protection from sta- radio astronomy observations in the adja- tions in the fixed service which are licensed cent band, 2690–2700 MHz, from harmful in- to operate in the one hundred most populous terference. Further, all applicants are urged urbanized areas as defined by the U.S. Cen- to coordinate their proposed system through sus Bureau. The following radio astronomy the Electromagnetic Management Unit, Na- sites have been coordinated for observations tional Science Foundation, Washington, D.C. in this band: National Radio Astronomy Ob- 20550, prior to system development. servatory, Green Bank, West Virginia; US270 The band 72.77–72.91 GHz is also al- (38°26′08″N.; 79°49′42″W.) National Radio As- located to the radio astronomy service. Ap- tronomy Observatory, Socorro, New Mexico; plicants for frequency assignments in this (34°04′43″N.; 107°37′04″W.), Harvard Radio As- band are urged to take all practicable steps tronomy Station, Fort Davis, Texas; to protect radio astronomy observations (30°38′08″N.; 103°56′42″W.), Hat Creek Observ- from harmful interference. atory, Hat Creek, California; (40°49′03″N.; US271 The use of the band 17.3–17.8 GHz by 121°28′24″W.), Owens Valley Radio Observ- the fixed-satellite service (earth-to-space) is atory, Big Pine, California; (37°13′54″N.; limited to feeder links for broadcasting-sat- 118°17′36″W.), Naval Research Laboratory, ellite service. Maryland Point, Maryland (38°22′26″N.; US273 In the 74.6–74.8 MHz and 75.2–75.4 77°14′00″W.). MHz bands stations in the fixed and mobile US278 In the 22.55–23.55 and 32–33 GHz services are limited to a maximum power of bands non-geostationary intersatellite links 1 watt from the transmitter into the antenna transmission line. may operate on a secondary basis to geo- US275 The band 902–928 MHz is allocated stationary intersatellite links. on a secondary basis to the amateur service US279 The frequency 2182 kHz may be au- subject to not causing harmful interference thorized to fixed stations associated with the to the operations of Government stations au- maritime mobile service for the sole purpose thorized in this band or to Location and of transmitting distress calls and distress Monitoring Service (LMS) systems. Stations traffic, and urgency and safety signals and in the Amateur service must tolerate any in- messages. terference from the operations of industrial, US281 In the band 25.07–25.11 MHz non- scientific, and medical (ISM) devices, LMS Government stations in the industrial radio systems, and the operations of Government services shall not cause harmful interference

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to, and must accept interference from, sta- transmission systems, the following assign- tions in the maritime mobile service oper- able frequencies are available to non-Federal ating in accordance with the International government stations on a shared basis with Table of Frequency Allocations. Federal government stations: 2070.5, 2072.5, US282 In the band 4650–4700 kHz fre- 2074.5, 2076.5, 4154.5, 4169.5, 6235.5, 6259.5, quencies may be authorized for non-Govern- 8302.5, 8338.5, 12370.5, 12418.5, 16551.5, 16614.5, ment communication with helicopters in 18847.5, 18868.5, 22181.5, 22238.5, 25123.5, and support of off-shore drilling operations on 25159.5 kHz. the condition that harmful interference will US297 The bands 47.2–49.2 GHz and 74.0– not be caused to services operating in ac- 75.5 GHz are also available for feeder links cordance with the Table of Frequency Allo- for the broadcasting-satellite service. cations. US298 Channels 27555, 27615, 27635, 27655, US283 In the bands 2850–3025 kHz, 3400–3500 27765, and 27860 kHz are available to eligibles kHz, 4650–4700 kHz, 5450–5680 kHz, 6525–6685 in the Forest Products Radio Service on a kHz, 10005–10100 kHz, 11275–11400 kHz, 13260– secondary basis to Government operations 13360 kHz and 17900–17970 kHz frequencies in including experimental stations. Operations these bands may be authorized for non-Gov- in the Forest Products Radio Service on ernment flight test purposes on the condi- these channels will not exceed 150 watts and tion that harmful interference will not be are limited to the states of Washington, Or- caused to services operating in accordance egon, Maine, North Carolina, South Caro- with the Table of Frequency Allocations. lina, Tennessee, Georgia, Florida, Alabama, US285 Under exceptional circumstances, Mississippi, Louisiana, and Texas (eastern the carrier frequency 2635, 2638, and 2738 kHz portion). may be authorized to coast stations. US299 The 1615–1705 kHz band in Alaska is US290 In the band 1900–2000 kHz amateur also allocated to the maritime mobile serv- stations may continue to operate on a sec- ices and the Alaska fixed service on a secondary basis to the radiolocation service, ondary basis to Region 2 broadcast oper- pending a decision as to their disposition ations. through a future rule making proceeding in US300 The frequencies 169.445, 169.505, conjunction with the implementation of the 170.245, 170.305, 171.045, 171.105, 171.845 and standard broadcasting service in the 1625– 171.905 MHz are available for wireless micro- 1705 kHz band. phone operations on a secondary basis to US291 Television pickup stations in the Government and non-Government oper- mobile service may be authorized to use fre- ations. quencies in the band 38.6–40 GHz on a sec- US301 Except as provided in US302, broad- ondary basis to stations operating in accord- cast auxiliary stations licensed as of Novem- ance with the Table of Frequency Alloca- ber 21, 1984, to operate in the band 942–944 tions. MHz may continue to operate on a co-equal US292 In the band 14.0–14.2 GHz stations primary basis to other stations and services in the radionavigation service shall operate operating in the band in accordance with the on a secondary basis to the fixed-satellite Table of Frequency Allocations. service. US302 The band 942–944 MHz in Puerto Rico US294 In the spectrum below 490 kHz elec- is allocated as an alternative allocation to tric utilities operate Power Line Carrier the fixed service for broadcast auxiliary sta- (PLC) systems on power transmission lines tions only. for communications important to the reli- US303 In the band 2285–2290 MHz, non-Fed- ability and security of electric service to the eral government space stations in the space public. These PLC systems operate under the research, space operations and earth explo- provisions of Part 15 of the Federal Commu- ration-satellite services may be authorized nications Commission’s Rules and Regula- to transmit to the Tracking and Data Relay tions or Chapter 7 of the National Tele- Satellite System subject to such conditions communications and Information Adminis- as may be applied on a case-by-case basis. tration’s Manual of Regulations and Proce- Such transmissions shall not cause harmful dures for Federal Radio Frequency Manage- interference to authorized Federal government, on an unprotected and noninterference ment stations. The power flux density at the basis with respect to authorized radio users. Earth’s surface from such non-Federal gov- Notification of intent to place new or revised ernment stations shall not exceed ¥144 to radio frequency assignments or PLC fre- ¥154 dBW/m2/4 kHz, depending on angle of quency uses in the bands below 490 kHz is to arrival, in accordance with ITU Radio Regu- be made in accordance with the Rules and lation S21.16. Regulations of the FCC and NTIA, and users US307 The sub-band 5150–5216 MHz is also are urged to minimize potential interference allocated for space-to-Earth transmissions in to the degree practicable. This footnote does the fixed satellite service for feeder links in not provide any allocation status to PLC conjunction with the radiodetermination radio frequency uses. satellite service operating in the bands 1610– US296 In the bands designated for ship 1626.5 MHz and 2483.5–2500 MHz. The total wide-band telegraphy, facsimile and special power flux density at the earth’s surface

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shall in no case exceed ¥159 dBW/m per 4 mobile (R) service directly to terrestrial kHz for all angles of arrival. aeronautical stations, or between aircraft US308 In the frequency bands 1549.5–1558.5 stations, are also authorized when such MHz and 1651–1660 MHz, the Aeronautical- transmissions are used to extend or supple- Mobile-Satellite (R) requirements that can- ment the aircraft-to-satellite links. not be accommodated in the 1545–1549.5 MHz, US310 In the band 14.896–15.121 GHz, non- 1558.5–1559 MHz, 1646.5–1651 MHz and 1660– Government space stations in the space re- 1660.5 MHz bands shall have priority access search service may be authorized on a sec- with real-time preemptive capability for ondary basis to transmit to Tracking and communications in the mobile satelite serv- Data Relay Satellites subject to such condi- ice. Systems not interoperable with the aero- tions as may be applied on a case-by-case nautical mobile-satellite (R) service shall op- basis. Such transmissions shall not cause erate on a secondary basis. Account shall be harmful interference to authorized Govern- taken of the priority of safety-related communications in the mobile-satellite service. ment stations. The power flux density at the US309 Transmissions in the bands 1545– earth’s surface from such non-Government ¥ ¥ 1559 MHz from terrestrial aeronautical sta- stations shall not exceed 138 to 148 dBW/ tions directly to aircraft stations, or be- m2/kHz, depending on the angle of arrival, in tween aircraft stations, in the aeronautical accordance with CCIR Recommendation 510– mobile (R) service are also authorized when 1. such transmissions are used to extend or US311 Radio astronomy observations may supplement the satellite-to-aircraft links. be made in the bands 1350–1400 MHz and 4950– Transmissions in the band 1646.5–1660.5 MHz 4990 MHz on an unprotected basis at the fol- from aircraft stations in the aeronautical lowing radio astronomy observatories:

Allen Telescope Array, Hat Creek, California .. Rectangle between latitudes 40° 00′ N and 42° 00′ N and between longitudes 120° 15′ W and 122° 15′ W. NASA Goldstone Deep Space Communica- 80 kilometers (50 mile) radius tions Complex, Goldstone, California. centered on latitude 35° 18′ N, longitude 116° 54′ W. National Astronomy and Ionosphere Center, Rectangle between latitudes 17° 30′ N and 19° Arecibo, Puerto Rico. 00′ N and between longitudes 65° 10′ W and 68° 00′ W. National Radio Astronomy Observatory, Rectangle between latitudes 32° 30′ N and 35° Socorro, New Mexico. 30′ N and between longitudes 106° 00′ W and 109° 00′ W. National Radio Astronomy Observatory, Rectangle between latitudes 37° 30′ N and 39° Green Bank, West Virginia. 15′ N and between longitudes 78° 30′ W and 80° 30′ W.

National Radio Astronomy Observatory, Very 80 kilometers (50 mile) radius centered on:

Long Baseline Array Stations Latitude (North) Longitude (West)

Brewster, WA ...... 48° 08′ 119° 41′ Fort Davis, TX ...... 30° 38′ 103° 57′ Hancock, NH ...... 42° 56′ 71° 59′ Kitt Peak, AZ ...... 31° 57′ 111° 37′ Los Alamos, NM ...... 35° 47′ 106° 15′ Mauna Kea, HI ...... 19° 48′ 155° 27′ North Liberty, IA ...... 41° 46′ 91° 34′ Owens Valley, CA ...... 37° 14′ 118° 17′ Pie Town, NM ...... 34° 18′ 108° 07′

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Saint Croix, VI ...... 17° 46′ 64° 35′

Owens Valley Radio Observatory, Big Pine, Two contiguous rectangles, one between lati- California tudes 36° 00′ N and 37° 00′ N and between longitudes 117° 40′ W and 118° 30′ W and the second between latitudes 37° 00′ N and 38° 00′ N and between longitudes 118° 00′ W and 118° 50′ W.

Every practicable effort will be made to to earth stations operating with non-Federal avoid the assignment of frequencies in the government space stations. bands 1350–1400 MHz and 4950–4990 MHz to US320 Use of the 137–138, 148–149.9, and stations in the fixed and mobile services that 400.15–401 MHz bands by the mobile-satellite could interfere with radio astronomy obser- service is limited to non-voice, non-geo- vations within the geographic areas given stationary satellite systems and may include above. In addition, every practicable effort satellite links between land earth stations at will be made to avoid assignment of fre- fixed locations. quencies in these bands to stations in the US321 The 535–1705 kHz band is also allo- aeronautical mobile service which operate cated to the mobile service on a secondary outside of those geographic areas, but which basis for the distribution of public service in- may cause harmful interference to the listed formation from non-government Travelers observatories. Should such assignments re- Information Stations operating in the Local sult in harmful interference to these observ- Government Radio Service on 10 kHz spaced atories, the situation will be remedied to the channels from 540 to 1700 kHz. extent practicable. US322 Use of the bands 149.9–150.5 MHz US312 The frequency 173.075 MHz may and 399.9–400.05 MHz by the mobile-satellite also be authorized on a primary basis to non- service (Earth-to-space) is limited to non- Government stations in the Police Radio voice, non-geostationary satellite systems, Service (with a maximum authorized band- including satellite links between land earth width of 20 kHz) for stolen vehicle recovery stations. systems. US323 In the 148–149.9 MHz band, no indi- US315 In the frequency bands 1530–1544 vidual mobile earth station shall transmit, MHz and 1626.5–1645.5 MHz maritime mobile- on the same frequency being actively used by satellite distress and safety communica- fixed and mobile stations and shall transmit tions, e.g., GMDSS, shall have priority ac- no more than 1% of the time during any 15 cess with real-time preemptive capability in minute period; except, individual mobile the mobile-satellite service. Communica- earth stations in this band that do not avoid tions of mobile-satellite system stations not frequencies actively being used by the fixed participating in the GMDSS shall operate on and mobile services shall not exceed a power a secondary basis to distress and safety com- density of ¥16 dBW/4kHz and shall transmit munications of stations operating in the no more than 0.25% of the time during any 15 GMDSS. Account shall be taken of the pri- minute period. Any single transmission from ority of safety-related communications in any individual mobile earth station oper- the mobile-satellite service. ating in this band shall not exceed 450 ms in US316 The band 2900–3100 MHz is also allo- duration and consecutive transmissions from cated on a primary basis to the Meteorolog- a single mobile earth station on the same ical Aids Service. Operations in this service frequency shall be separated by at least 15 are limited to Government Next Generation seconds. Land earth stations in this band Weather Radar (NEXRAD) systems where ac- shall be subject to electromagnetic compat- commodation in the 2700–2900 MHz band is ibility analysis and coordination with terres- not technically practical and are subject to trial fixed and mobile stations. coordination with existing authorized sta- US324 Government and non-Government tions.’’ satellite systems in the 400.15–401 MHz band US318 Until January 1, 2000, the use of the shall be subject to electromagnetic compat- 137–138 MHz band by the mobile-satellite ibility analysis and coordination. service will be secondary to Government sat- US325 In the band 148–149.9 MHz fixed and ellite operations in the subbands: 137.333– mobile stations shall not claim protection 137.367, 137.485–137.515, 137.605–137.635 and from land earth stations in the mobile-sat- 137.753–137.787 MHz. ellite service that have been previously co- US319 In the bands 137–138 MHz, 148–149.9 ordinated; Government fixed and mobile sta- MHz, 149.9–150.05 MHz, 399.9–400.05 MHz, tions exceeding 27 dBW EIRP, or an emission 400.15–401 MHz, 1610–1626.5 MHz, and 2483.5– bandwidth greater than 38 kHz, will be co- 2500 MHz, Federal government stations in ordinated with existing mobile-satellite the mobile-satellite service shall be limited service space stations.

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US327 The band 2310–2360 MHz is allocated US335 The primary Government and non- to the broadcasting-satellite service (sound) Government allocations for the various seg- and complementary terrestrial broadcasting ments of the 220–222 MHz band are divided as service on a primary basis. Such use is lim- follows: (1) the 220.0–220.55/221.0–221.55, 220.6– ited to digital audio broadcasting and is sub- 220.8/221.6–221.8, 220.85–220.90/221.85–221.90 and ject to the provisions of Resolution 528. 220.925–221.0/221.925–222.0 MHz bands US328 In the band 2320–2345 MHz, the mo- (Channels 1–110, 121–160, 171–180 and 186–200, bile and radiolocation services are allocated respectively) are available for exclusive non- on a primary basis until a broadcasting-sat- Government use; (2) the 220.55–220.60/221.55– ellite (sound) service has been brought into 221.60 MHz bands (Channels 111–120) are avail- use in such a manner as to affect or be af- able for exclusive Government use; and (3) fected by the mobile and radiolocation serv- the 220.80–220.85/221.80–221.85 and 220.900– ices in those service areas. The broadcasting- 220.925/221.900–221.925 MHz bands (Channels satellite (sound) service during implementa- 161–170 and 181–185, respectively) are avail- tion should also take cognizance of the ex- able for shared Government and non-Govern- pendable and reusable launch vehicle fre- ment use. The exclusive non-Government quency 2332.5 MHz, to minimize the impact band segments are also available for tem- on this mobile service use to the extent pos- porary fixed geophysical telemetry oper- sible. ations on a secondary basis to the fixed and US334 In the band 17.8–20.2 GHz, Govern- mobile services. ment space stations in both geostationary US337 In the band 13.75–13.80 GHz, earth (GSO) and non-geostationary satellite orbits stations in the fixed-satellite service shall be (NGSO) and associated earth stations in the coordinated on a case-by-case basis through fixed-satellite service (space-to-Earth) may the frequency assignment subcommittee in be authorized on a primary basis. For a Gov- order to minimize harmful interference to ernment geostationary satellite network to the Tracking and Data Relay Satellite Sys- operate on a primary basis, the space station tem’s forward space-to-space link (TDRSS shall be located outside the arc, measured forward link-to-LEO). US338 In the 2305–2310 MHz band, space-to- from east to west, 70 West Longitude to 120 Earth operations are prohibited. Addition- West Longitude. Coordination between Gov- ally, in the 2305–2320 MHz band, all Wireless ernment fixed-satellite systems and non- Communications Service (WCS) operations Government space and terrestrial systems within 50 kilometers of 35° 20″ North Lati- operating in accordance with the United tude and 116° 53″ West Longitude shall be co- States Table of Frequency Allocations is re- ordinated through the Frequency Assign- quired. ment Subcommittee of the Interdepartment (a) In the sub-band 17.8–19.7 GHz, the power Radio Advisory Committee in order to mini- flux-density at the surface of the Earth pro- mize harmful interference to NASA’s duced by emissions from a Government GSO Goldstone Deep Space facility. space station or from a Government space US339 The bands 2310–2320 and 2345–2360 station in a NGSO constellation of 50 or MHz are also available for aeronautical tele- fewer satellites, for all conditions and for all metering and associated telecommand oper- methods of modulation, shall not exceed the ations for flight testing of manned or un- following values in any 1 MHz band: manned aircraft, missiles or major compo- (1) ¥115 dB(W/m 2) for angles of arrival nents thereof on a secondary basis to the above the horizontal plane (d) between 0° and Wireless Communications Service. The fol- 5°, lowing two frequencies are shared on a co- (2) ¥115 + 0.5 (d¥5) dB(W/m 2) for d between equal basis by Government and non-Govern- 5° and 25°, and ment stations for telemetering and associ- (3) ¥105 dB(W/m 2) for d between 25° and 90°. ated telecommand operations of expendable (b) In the sub-band 17.8–19.3 GHz, the power and re-usable launch vehicles whether or not flux-density at the surface of the Earth pro- such operations involve flight testing: 2312.5 duced by emissions from a Government space and 2352.5 MHz. Other mobile telemetering station in an NGSO constellation of 51 or uses may be provided on a non-interference more satellites, for all conditions and for all basis to the above uses. The broadcasting- methods of modulation, shall not exceed the satellite (sound) service during implementa- following values in any 1 MHz band: tion should also take cognizance of the ex- (1) ¥115 ¥X dB(W/m 2) for d between 0° and pendable and reusable launch vehicle fre- 5°, quencies 2312.5 and 2352.5 MHz, to minimize (2) ¥115 ¥X + ((10 + X)/20) (d¥5) dB(W/m 2) the impact on this mobile service use to the for d between 5° and 25°, and extent possible. (3) ¥105 dB(W/m 2) for d between 25° and 90°; US340 The 2–30 MHz band is available on a where X is defined as a function of the num- secondary noninterference basis to Govern- ber of satellites, n, in an NGSO constellation ment and non-Government maritime and as follows: aeronautical stations for the purposes of For n ≤ 288, X = (5/119) (n¥50) dB; and measuring the quality of reception on radio For n > 288, X = (1/69) (n+ 402) dB. channels. See 47 C.F.R. § 87.149 for the list of

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protected frequencies and bands within this US342 In making assignments to stations frequency range. Actual communications of other services to which the following shall be limited to those frequencies specifi- bands: cally allocated to the maritime mobile and aeronautical mobile services.

13360–13410 kHz, 22.81–22.86 GHz*, 174.42–175.02 GHz*, 37.5–38.25 MHz, 23.07–23.12 GHz*, 177–177.4 GHz*, 322–328.6 MHz*, 31.2–31.3 GHz, 178.2–178.6 GHz*, 1330–1400 MHz*, 36.43–36.5 GHz*, 181–181.46 GHz*, 1610.6–1613.8 MHz*, 42.5–43.5 GHz, 186.2–186.6 GHz*, 1660–1670 MHz, 48.94–49.04 GHz*, 250–251 GHz*, 3260–3267 MHz*, 93.07–93.27 GHz*, 257.5–258 GHz*, 3332–3339 MHz*, 97.88–98.08 GHz*, 261–265 GHz, 3345.8–3352.5 MHz*, 140.69–140.98 GHz*, 262.24–262.76 GHz*, 4825–4835 MHz*, 144.68–144.98 GHz*, 265–275 GHz, 14.47–14.5 GHz*, 145.45–145.75 GHz*, 265.64–266.16 GHz*, 22.01–22.21 GHz*, 146.82–147.12 GHz*, 267.34–267.86 GHz*, 22.21–22.5 GHz, 150–151 GHz*, 271.74–272.26 GHz* are allocated (* indicates radio astronomy Relay Service, or the Local Television use for spectral line observations), all prac- Transmission Service. To facilitate compat- ticable steps shall be taken to protect the ible operations between non-Government radio astronomy service from harmful inter- terrestrial receiving stations at fixed sites ference. Emissions from spaceborne or air- and Government earth station transmitters, borne stations can be particularly serious coordination is required. To facilitate com- sources of interference to the radio astron- patible operations between non-government omy service (see Nos. 4.5 and 4.6 and Article terrestrial transmitting stations and Gov- 29 of the ITU Radio Regulations). ernment spacecraft receivers, the terrestrial US344 In the band 5091–5250 MHz, non-Gov- transmitters shall not be high-density sys- ernment earth stations in the fixed-satellite tems (see Recommendations ITU–R SA.1154 service (Earth-to-space) shall be coordinated and ITU–R F.1247). through the Frequency Assignment Sub- US347 In the band 2025–2110 MHz, non- committee (see Recommendation ITU–R Government Earth-to-space and space-to- S.1342). In order to better protect the oper- space transmissions may be authorized in ation of the international standard system the space research and Earth exploration- (microwave landing system) in the band 5000– satellite services subject to such conditions 5091 MHz, non-Government tracking and as may be applied on a case-by-case basis. telecommand operations should be con- Such transmissions shall not cause harmful ducted in the band 5150–5250 MHz. interference to Government and non-Govern- US345 In the band 402–405 MHz, the mo- ment stations operating in accordance with bile, except mobile aeronautical, service is the Table of Frequency Allocations. allocated on a secondary basis and is limited to, with the exception of military tactical US348 The band 3650–3700 MHz is also allo- mobile stations, Medical Implant Commu- cated to the Government radiolocation serv- nications Service (MICS) operations. MICS ice on a primary basis at the following sites: ° ′ ° ′ stations are authorized by rule on the condi- St. Inigoes, MD (38 10 N., 76 23 W.); ° ′ ° ′ tion that harmful interference is not caused Pascagoula, MS (30 22 N., 88 29 W.); and to stations in the meteorological aids, mete- Pensacola, FL (30° 21′ 28′ N., 87° 16′ 26′ W.). All orological-satellite, and earth exploration- fixed and fixed satellite operations within 80 satellite services, and that MICS stations ac- kilometers of these sites shall be coordi- cept interference from stations in the mete- nated through the Frequency Assignment orological aids, meteorological-satellite, and Subcommittee of the Interdepartmental earth exploration-satellite services. Radio Advisory Committee on a case-by-case US346 Except as provided by footnote basis. US222, the use of the band 2025–2110 MHz by US349 The band 3650–3700 MHz is also allo- the Government space operation service cated to the Government radiolocation serv- (Earth-to-space), Earth exploration-satellite ice on a non-interference basis for use by service (Earth-to-space), and space research ship stations located at least 44 nautical service (Earth-to-space) shall not constrain miles in off-shore ocean areas on the condi- the deployment of the Television Broadcast tion that harmful interference is not caused Auxiliary Service, the Cable Television to non-Government operations.

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US350 In the bands 608–614 MHz and 1395– erations. Availability and use of medical te- 1400 MHz the Government and non-Govern- lemetry and telecommand and non-medical ment land mobile service is limited to med- telemetry and telecommand in the band ical telemetry and medical telecommand op- 1427–1432 MHz are described further:

Location (see §§ 90.259(b)(4) and 95.630(b) of this 1427–1429 MHz 1429–1431.5 MHz chapter for a detailed description) 1431.5–1432 MHz

Austin/Georgetown, Texas ...... Non-Government land mobile service is Government and non-Government land Battle Creek, Michigan ...... limited to telemetry and telecommand mobile service is limited to medical te- Detroit, Michigan ...... operations. lemetry and telecommand operations. Pittsburgh, Pennsylvania ...... Richmond/Norfolk, Virginia ...... Spokane, Washington ...... Washington, DC metropolitan area ...... Non-Government telemetry and telecommand use is permitted on a secondary basis. Rest of U.S ...... Government and non-Government land Non-Government land mobile service is mobile service is limited to medical te- limited to telemetry and telecommand lemetry and telecommand operations. operations. Non-Government telemetry and telecommand use is permitted on a secondary basis.

US351 In the band 1390–1400 MHz, Govern- Government operations. However, Govern- ment operations, except for medical telem- ment operations authorized as of March 22, etry operations in the sub-band 1395–1400 1995 at 17 sites identified below will be con- MHz, are on a non-interference basis to au- tinued on a fully protected basis until Janu- thorized non-Government operations and ary 1, 2009. shall not hinder implementation of any non-

Radius Radius Sites Lat/Long (km) Sites Lat/Long (km)

Eglin AFB, FL ...... 30°28′N/086°31′W 80 Ft. Greely, AK ...... 63°47′N/145°52′W 80 Dugway PG, UT ...... 40°11′N/112°53′W 80 Ft. Rucker, AL ...... 31°13′N/085°49′W 80 China Lake, CA ...... 35°41′N/117°41′W 80 Redstone, AL...... 34°35′N/086°35′W 80 Ft. Huachuca, AZ ...... 31°33′N/110°18′W 80 Utah Test Range, UT ...... 40°57′N/113°05′W 80 Cherry Point, NC ...... 34°57′N/076°56′W 80 WSM Range, NM ...... 32°10′N/106°21′W 80 Patuxent River, MD ...... 38°17′N/076°25′W 80 Holloman AFB, NM ...... 33°29′N/106°50′W 80 Aberdeen PG, MD ...... 39°29′N/076°08′W 80 Yuma, AZ...... 32°29′N/114°20′W 80 Wright-Patterson AFB, OH ...... 39°50′N/084°03′W 80 Pacific Missile Range, CA ...... 34°07′N/119°30′W 80 Edwards AFB, CA ...... 34°54′N/117°53′W 80

US352 In the band 1427–1432 MHz, Govern- ernment operations. However, Government ment operations, except for medical telem- operations authorized as of March 22, 1995 at etry and medical telecommand operations, the 14 sites identified in the following table are on a non-interference basis to authorized may continue on a fully protected basis until non-Government operations and shall not January 1, 2004: hinder the implementation of any non-Gov-

North latitude/west Operating North latitude/west Operating Location longitude radius Location longitude radius

Patuxent River, MD ...... 38° 17′ / 076° 25′ 70 km Mountain Home AFB, ID .. 43° 01′ / 115° 50′ 160 km NAS Oceana, VA ...... 36° 49′ / 076° 02′ 100 km NAS Fallon, NV ...... 39° 24’ / 118° 43′ 100 km MCAS Cherry Point, NC .... 34° 54′ / 076° 52′ 100 km Nellis AFB, NV ...... 36° 14′ / 115° 02′ 100 km Beaufort MCAS, SC ...... 32° 26′ / 080° 40′ 160 km NAS Lemore, CA ...... 36° 18′ / 119° 47′ 120 km NAS Cecil Field, FL ...... 30° 13′ / 081° 52′ 160 km Yuma MCAS, AZ ...... 32° 39′ / 114° 35′ 160 km NAS Whidbey IS., WA ...... 48° 19′ / 122° 24′ 70 km China Lake, CA ...... 35° 29′ / 117° 16′ 80 km Yakima Firing Ctr AAF, WA 46° 40′ / 120° 15′ 70 km MCAS Twenty Nine 34° 15′ / 116° 03′ 80 km Palms, CA.

US353 In the sub-bands 56.24–56.29 GHz, 59.616 GHz, 60.281–60.331 GHz, 60.41–60.46 GHz, 58.422–58.472 GHz, 59.139–59.189 GHz, 59.566–

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and 62.461–62.511 GHz, space-based radio as- fixed-satellite service (space-to-Earth), prior tronomy observations may be made on an to commencing operations, shall coordinate unprotected basis. with the following radio astronomy observ- US354 In the sub-band 58.422–58.472 GHz, atories to achieve a mutually acceptable airborne stations and space stations in the agreement regarding the protection of the space-to-Earth direction shall not be author- radio telescope facilities operating in the ized. band 10.6–10.7 GHz: US355 In the band 10.7–11.7 GHz, non-geostationary satellite orbit licensees in the

Observatory West longitude North latitude Elevation

Arecibo Obs ...... 66°45′11″ 18°20′46″ 496 m Green Bank Telescope (GBT) ...... 79°50′24″ 38°25′59″ 825 m Very Large Array (VLA) ...... 107°37′04″ 34°04′44″ 2126 m Very Long Baseline Array (VLBA) Stations: Pie Town, NM ...... 108°07′07″ 34°18′04″ 2371 m Kitt Peak, AZ ...... 111°36′42″ 31°57′22″ 1916 m Los Alamos, NM ...... 106°14′42″ 35°46′30″ 1967 m Ft. Davis, TX ...... 103°56′39″ 30°38′06″ 1615 m N. Liberty, IA ...... 91°34′26″ 41°46′17″ 241 m Brewster, WA ...... 119°40′55″ 48°07′53″ 255 m Owens Valley, CA ...... 118°16′34″ 37°13′54″ 1207 m St. Croix, VI ...... 64°35′03″ 17°45′31″ 16 m Hancock, NH ...... 71°59′12″ 42°56′01″ 309 m Mauna Kea, HI ...... 155°27′29″ 19°48′16″ 3720 m

US356 In the band 13.75–14 GHz, an earth 51 dBW in any 6 MHz band from 13.77 to 13.78 station in the fixed-satellite service shall GHz. have a minimum antenna diameter of 4.5 m Automatic power control may be used to and the e.i.r.p. of any emission should be at increase the e.i.r.p. density in any 6 MHz least 68 dBW and should not exceed 85 dBW. band in these frequency ranges to com- In addition the e.i.r.p., averaged over one pensate for rain attenuation, to the extent second, radiated by a station in the radio- that the power flux-density at the fixed-sat- location service towards the geostationary- ellite service space station does not exceed satellite orbit shall not exceed 59 dBW. Re- the value resulting from use by an earth sta- ceiving space stations in the fixed-satellite tion of an e.i.r.p. of 71 dBW or 51 dBW, as ap- service shall not claim protection from propriate, in any 6 MHz band in clear-sky radiolocation transmitting stations oper- conditions. ating in accordance with the United States US359 In the band 15.43–15.63 GHz, use of Table of Frequency Allocations. ITU Radio the fixed-satellite service (Earth-to-space) is Regulation No. 5.43A does not apply. limited to non-Government feeder links of US357 In the band 13.75–14 GHz, geo- non-geostationary systems in the mobile- stationary space stations in the space re- satellite service. These non-Government search service for which information for ad- earth stations shall be coordinated through vance publication has been received by the the Frequency Assignment Subcommittee ITU Radiocommunication Bureau (Bureau) prior to 31 January 1992 shall operate on an (see Annex 3 of Recommendation ITU–R equal basis with stations in the fixed-sat- S.1340). ellite service; after that date, new geo- US360 In the band 33–36 GHz, the Govern- stationary space stations in the space re- ment fixed-satellite service (space-to-Earth) search service will operate on a secondary is also allocated on a primary basis. Coordi- basis. Until those geostationary space sta- nation between Government fixed-satellite tions in the space research service for which service systems and non-Government sys- information for advance publication has tems operating in accordance with the been received by the Bureau prior to 31 Janu- United States Table of Frequency Alloca- ary 1992 cease to operate in this band: tions is required. a. The e.i.r.p. density of emissions from US361 In the band 1432–1435 MHz, Govern- any earth station in the fixed-satellite serv- ment stations in the fixed and mobile service operating with a space station in geo- ices may operate indefinitely on a primary stationary-satellite orbit shall not exceed 71 basis at the 23 sites listed in the following dBW in any 6 MHz band from 13.77 to 13.78 table. All other Government stations in the GHz; fixed and mobile services shall operate in the b. The e.i.r.p. density of emissions from band 1432–1435 MHz on a primary basis until any earth station in the fixed-satellite serv- re-accommodated in accordance with the Na- ice operating with a space station in non- tional Defense Authorization Act of 1999. The geostationary-satellite orbit shall not exceed table follows:

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North Latitude/West Operating North Latitude/West Operating Location Longitude Radius Location Longitude Radius

China Lake/Edwards AFB, 35° 29′ / 117° 16′ 100 km AUTEC ...... 24° 30′ / 078° 00′ 80 km CA. White Sands Missile 32° 11′ / 106° 20′ 160 km Beaufort MCAS, SC ...... 32° 26′ / 080° 40′ 160 km Range/Holloman AFB, NM. Utah Test and Training 40° 57′ / 113° 05′ 160 km MCAS Cherry Point, NC ... 34° 54′ / 076° 53′ 100 km Range/Dugway Proving Ground, Hill AFB, UT. Patuxent River, MD ...... 38° 17′ / 076° 24′ 70 km NAS Cecil Field, FL ...... 30° 13′ / 081° 52′ 160 km Nellis AFB, NV ...... 37° 29′ / 114° 14′ 130 km NAS Fallon, NV ...... 39° 30′ / 118° 46′ 100 km Fort Huachuca, AZ ...... 31° 33′ / 110° 18′ 80 km NAS Oceana, VA ...... 36° 49′ / 076° 01′ 100 km Eglin AFB/Gulfport ANG 30° 28′ / 086° 31′ 140 km NAS Whidbey Island, WA 48° 21′ / 122° 39′ 70 km Range, MS/Fort Rucker, AL. Yuma Proving Ground, AZ 32° 29′ / 114° 20′ 160 km NCTAMS, GUM ...... 1 13° 35′ / 144° 51′ 80 km Fort Greely, AK ...... 63° 47′ / 145° 52′ 80 km Lemoore, CA ...... 36° 20′ / 119° 57′ 120 km Redstone Arsenal, AL ...... 34° 35′ / 086° 35′ 80 km Savannah River, SC ...... 33° 15′ / 081° 39′ 3 km Alpene Range, MI ...... 44° 23′ / 083° 20′ 80 km Naval Space Operations 44° 24′ / 068° 01′ 80 km Center, ME. Camp Shelby, MS ...... 31° 20′ / 089° 18′ 80 km ...... 1 East.

US362 The band 1670–1675 MHz is allocated mary basis and to the Government fixed to the meteorological-satellite service service on a secondary basis. Use of the mo- (space-to-Earth) on a primary basis for Gov- bile service is limited to aeronautical telem- ernment use. Earth station use of this allo- etry and associated telecommand operations cation is limited to Wallops Island, VA for flight testing of manned or unmanned (37°56′47′ N, 75°27′37′ W), Fairbanks, AK aircraft, missiles or major components (64°58′36′ N, 147°31′03′ W), and Greenbelt, MD thereof. Use of the radiolocation service is (39°00′02′ N, 76°50′31′ W). Applicants for non- limited to the military services. Government stations within 100 kilometers (b) After January 1, 2005, Government sta- of the Wallops Island or Fairbanks coordi- tions in the mobile and radiolocation serv- nates and within 65 kilometers of the Green- ices shall continue to operate on a primary belt coordinates shall notify NOAA in ac- basis until re-accommodated in accordance cordance with the procedures specified in 47 with the National Defense Authorization Act CFR 1.924. of 1999, except at the sites identified in the US363 (a) Until January 1, 2005, the band following table where Government stations 2385–2390 MHz is allocated to the Government may not be re-accommodated until January mobile and radiolocation services on a pri- 1, 2007:

North Latitude/West North Latitude/West Location Longitude Location Longitude

Protection Radius for Each of the Following Sites is 160 km: Barking Sands, HI ...... 22° 07′ / 159° 40′ Roswell, NM ...... 33° 18′ / 104° 32′ Cape Canaveral, FL ...... 28° 33′ / 080° 34′ Seattle, WA ...... 47° 32′ / 122° 18′ China Lake, CA ...... 35° 40′ / 117° 41′ St. Louis, MO ...... 38° 45′ / 090° 22′ Eglin AFB, FL ...... 30° 30′ / 086° 30′ Utah Test Range, UT ...... 40° 12′ / 112° 54′ Glasgow, MT ...... 48° 25′ / 106° 32′ White Sands Missile Range, NM ...... 32° 58′ / 106° 23′ Nellis AFB, NV ...... 37° 48′ / 116° 28′ Witchita, KS ...... 37° 40′ / 097° 26′ Palm Beach County, FL ...... 26° 54′ / 080° 19′ Yuma Proving Ground, AZ ...... 32° 54′ / 114° 20′ Roosevelt Roads, PR ...... 18° 14′ / 065° 38′ ...... Protection Radius for Each of the Following Sites is 100 km: Edwards AFB, CA ...... 34° 54′ / 117° 53′ Patuxent River, MD ...... 38° 17′ / 076° 25′

(c) In addition, non-Government flight test fied in the following table on a primary basis operations may continue at the sites identi- until January 1, 2007:

North Latitude/West North Latitude/West Location Longitude Location Longitude

Protection Radius for Each of the Following Sites is 160 km: Alammosa, CO ...... 37° 26′ 04′ / 105° 52′ 03′ Thermal, CA ...... 33° 37′ 35′ / 116° 09′ 36′ Albuquerque, NM ...... 35° 11′ 03′ / 106° 34′ 30′ Phoenix, AZ ...... 33° 18′ 28′ / 111° 39′ 19′ Amarillo, TX ...... 35° 12′ 49′ / 101° 42′ 31′ Marietta, GA ...... 33° 54′ 24′ / 084° 31′ 09′ Arlington, TX ...... 32° 40′ 00′ / 097° 05′ 53′ Greenville, TX ...... 33° 04′ 01′ / 096° 03′ 09′

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North Latitude/West North Latitude/West Location Longitude Location Longitude

Leadville, CO ...... 39° 13′ 13′ / 106° 19′ 03′

US368 The band 1390–1392 MHz is also allo- mobile-satellite service or the radio- cated to the fixed-satellite service (Earth-to- navigation-satellite service. space) on a primary basis and the band 1430– US372 Additional allocation: the bands 1432 MHz is also allocated to the fixed-sat- 140.69–140.98 GHz, 144.68–144.98 GHz, 145.45– ellite service (space-to-Earth) on a primary 145.75 GHz, 146.82–147.12 GHz, 250–251 GHz and basis, limited to feeder links for the Non- 262.24–262.76 GHz are also allocated to the Voice Non-Geostationary Mobile-Satellite radio astronomy service on a primary basis. Service, and contingent on (1) the comple- US373 In the bands 116–134 GHz, 174.8–182 tion of sharing studies including the meas- GHz and 185–190 GHz, stations in the aero- urement of emissions from equipment that nautical mobile service may be operated sub- would be employed in operational systems ject to not causing harmful interference to and demonstrations to validate the studies the inter-satellite service (see ITU Radio as called for in Resolution 127 (WRC–2000), (2) Regulation No. 5.43). the adoption of worldwide feeder link alloca- US374 In the band 126–134 GHz, airborne tions at the 2003 World Radiocommunication radars in the radiolocation service may be Conference (WRC–03), and (3) compliance operated subject to not causing harmful in- with any technical and operational require- terference to the inter-satellite service (see ments that may be imposed at WRC–03 to ITU Radio Regulation No. 5.43). protect passive services in the 1400–1427 MHz US375 The frequency band 275–400 GHz band from unwanted emissions associated may be used by administrations for experi- with such allocations. These allocations be- mentation with, and development of, various come effective upon adoption of worldwide active and passive services. In this band a allocations at WRC–03. If no such allocations need has been identified for the following are adopted by WRC–03, these allocations spectral line measurements for passive serv- shall be considered null and void, with no ices: grandfathering of rights. Individual assign- —Radio astronomy service: 278–280 GHz and ments shall be coordinated with the Inter- 343–348 GHz; departmental Radio Advisory Committee’s —Earth exploration-satellite service (IRAC) Frequency Assignment Sub- (passive) and space research service committee (FAS) (see, for example, Rec- (passive): 275–277 GHz, 300–302 GHz, 324–326 ommendations ITU–R RA.769–1 and ITU R GHz, 345–347 GHz, 363–365 GHz and 379–381 SA.1029–1) to ensure the protection of passive GHz. services in the 1400–1427 MHz band. Coordina- Future research in this largely unexplored tion shall not be completed until the feeder spectral region may yield additional spectral downlink system is tested and certified to be lines and continuum bands of interest to the in conformance with the technical and oper- passive services. Administrations are urged ational requirements for the protection of to take all practicable steps to protect these passive services in the 1400–1427 MHz band. passive services from harmful interference Certification and all supporting documenta- until the next competent world tion shall be submitted to the Commission radiocommunication conference. and FAS prior to launch. US376 In the bands 95–100 GHz, 134–142 US369 Additional allocation: the bands 150– GHz, 190–200 GHz and 252–265 GHz, stations in 151 GHz, 174.42–175.02 GHz, 177–177.4 GHz, the land mobile service may be operated sub- 178.2–178.6 GHz, 181–181.46 GHz, 186.2–186.6 GHz ject to not causing harmful interference to and 257.5–258 GHz are also allocated to the the space radiocommunication services to radio astronomy service on a secondary basis which these bands are allocated (see No. for spectral line observations. 5.43). US370 The band 5000–5150 MHz is to be US377 In the band 84–86 GHz, stations in used for the operation of the international the fixed, mobile and broadcasting services standard system (microwave landing system) shall not cause harmful interference to for precision approach and landing. The re- broadcasting-satellite stations operating in quirements of this system shall take prece- accordance with the decisions of the appro- dence over other uses of this band. For the priate frequency assignment planning con- use of this band, ITU Radio Regulation No. ference for the broadcasting-satellite serv- 5.444A and Resolution 114 (WRC–95) apply. ice. US371 In the bands 134–142 GHz and 190– NON-FEDERAL GOVERNMENT (NG) FOOTNOTES 191.8 GHz, satellite links connecting land stations at specified fixed points are also au- (These footnotes, each consisting of the thorized when used in conjunction with the letters ‘‘NG’’ followed by one or more digits,

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denote stipulations applicable only to the NG28 The frequency band 160.86–161.40 non-Federal Government.) MHz is available for assignment to remote NG2 Facsimile broadcasting stations may pickup base and remote pickup mobile sta- be authorized in the band 88–108 MHz. tions in Puerto Rico and the Virgin Islands NG3 Control stations in the domestic pub- only on a shared basis with the land trans- lic mobile radio service may be authorized portation radio service. frequencies in the band 72–73 and 75.4–76 MHz NG31 Stations in the Rural Radio Service on the condition that harmful interference licensed for Basic Exchange Telecommuni- will not be caused to operational fixed sta- cations Radio Service may be authorized to tions. use some frequencies in the bands 816–820 NG4 The use of the frequencies in the MHz (fixed subscriber) and 861–865 MHz band 152.84–153.38 MHz may be authorized, in (central office or base), on a co-primary basis any area, to remote pickup broadcast base with private land mobile radio licensees, and mobile stations on the condition that pursuant to part 22 subpart H. harmful interference will not be caused to NG41 Frequencies in the bands 3700–4200 stations operating in accordance with the MHz, 5925–6425 MHz, and 10.7–11.7 GHz may Table of Frequency Allocations. also be assigned to stations in the inter- NG6 Stations in the public safety radio national fixed public and international con- services authorized as of June 30, 1958, to use trol services located in U.S. Possessions in frequencies in the band 159.51–161.79 MHz in the Caribbean area. areas other than Puerto Rico and the Virgin NG42 Non-Government stations in the Islands may continue such operation, includ- radiolocation service shall not cause harmful ing expansion of existing systems, on the interference to the amateur service. condition that harmful interference will not NG47 In Alaska, frequencies within the be caused to stations in the services to which band 2655–2690 MHz are not available for as- these bands are allocated. In Puerto Rico signment to terrestrial stations. and the Virgin Islands this authority is lim- NG49 The following frequencies may be ited to frequencies in the band 160.05–161.37 authorized for mobile operations in the Man- MHz. No new public radio service system will ufacturers Radio Service subject to the con- be authorized to operate on these fre- dition that no interference is caused to the quencies. reception of television stations operating on NG12 Frequencies in the bands 454.40–455 channels 4 and 5 and that their use is limited MHz and 459.40–460 MHz may be assigned to to a manufacturing facility: domestic public land and mobile stations to provide a two-way air-ground public radio- MHZ telephone service. 72.02 72.22 NG17 Stations in the land transportation 72.04 72.24 radio services authorized as of May 15, 1958 72.06 72.26 to operate on the frequency 161.61 MHz may, 72.08 72.28 upon proper application, continue to be au- 72.10 72.30 thorized for such operation, including expan- 72.12 72.32 sion of existing systems, on the condition 72.14 72.34 that harmful interference will not be caused 72.16 72.36 to the operation of any authorized station in 72.18 72.38 the maritime mobile service. No new land 72.20 72.40 transportation radio service system will be Further, the following frequencies may be authorized to operate on 161.61 MHz. authorized for mobile operations in the Spe- NG19 Fixed stations associated with the cial Industrial Radio Service, Manufacturers maritime mobile service may be authorized, Radio Service, Railroad Radio Service and for purposes of communication with coast Forest Products Radio Service subject to the stations, to use frequencies assignable to condition that no interference is caused to ship stations in this band on the condition the reception of television stations operating that harmful interference will not be caused on channels 4 and 5; and that their use is to services operating in accordance with the limited to a railroad yard, manufacturing Table of Frequency Allocations. plant, logging site, mill, or similar indus- NG23 Frequencies in the band 2100–2200 trial facility. MHz may also be assigned to stations in the International Fixed Public MHZ Radiocommunication Services located south of 25° 30′ North Latitude in the State of Flor- 72.44 75.44 ida and in U.S. insular areas in the Carib- 72.48 75.48 bean, except that no new assignments in the 72.52 75.52 band 2150–2162 MHz will be made to such sta- 72.56 75.56 tions after February 25, 1974 and no new as- 72.60 75.60 signments in the band 2165–2200 MHz will be NG51 In Puerto Rico and the Virgin Is- made to such stations after June 27, 2000. lands only, the bands 150.8–150.98 MHz and

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150.98–151.49 MHz are allocated exclusively to TV chan- the business radio service. Urbanized area nel NG53 In the band 12.7–13.15 GHz, television pickup stations and CARS pickup sta- Houston, TX ...... 17 Dallas, TX ...... 16 tions shall be assigned channels on a co- equal basis and shall operate on a secondary NG70 In Puerto Rico and the Virgin Is- basis to fixed stations operating in accord- lands only, the bands 159.240–159.435 and ance with the Table of Frequency Alloca- 160.410–160.620 MHz are also available for as- tions. In the 13.15–13.20 GHz band television signment to base stations and mobile sta- pickup stations and CARS pickup stations shall be assigned on an exclusive basis in the tions in the special industrial radio service. top one hundred markets, as set out in Sec- NG101 The use of the band 2500–2690 MHz tion 76.51. by the broadcasting-satellite service is lim- NG56 In the bands 72.0–73.0 and 75.4–76.0 ited to domestic and regional systems for MHz, the use of mobile radio remote control community reception of educational tele- of models is on a secondary basis to all other vision programming and public service infor- fixed and mobile operations. Such operations mation. Such use is subject to agreement are subject to the condition that inter- among administrations concerned and those ference will not be caused to common carrier having services operating in accordance with domestic public stations, to remote control the table, which may be affected. Unless of industrial equipment operating in the 72– such agreement includes the use of higher 76 MHz band, or to the reception of television values, the power flux density at the earth’s signal on channels 4 (66–72 MHz) or 5 (76–82 surface produced by emissions from a space MHz). Television interference shall be con- station in this service shall not exceed those sidered to occur whenever reception of regu- values set forth in Part 73 of the rules for larly used television signals is impaired or this frequency band. destroyed, regardless of the strength of the NG102 Use of the fixed-satellite service in television signal or the distance to the tele- the bands 2500–2655 MHz (space-to-Earth) and vision station. 2655–2690 MHz (Earth-to-space) is limited as NG59 The frequencies 37.60 and 37.85 MHz follows: may be authorized only for use by base, mo- (a) For common carrier use in Alaska, for bile, and operational fixed stations partici- intra-Alaska service only, and in the mid- pating in an interconnected or coordinated and western-Pacific areas, including Amer- power service utility system. ican Samoa, Guam, the Northern Mariana Is- NG63 Television Broadcast translator sta- lands, and Hawaii, and under the Compacts tions holding valid licenses on November 15, of Free Association with the Federated 1971, to operate in the frequency band 806–890 States of Micronesia and the Republic of the MHz (channels 70–83), may continue to oper- Marshall Islands. ate in this band, pursuant to periodic license (b) For educational use in the contiguous renewals, on a secondary basis to the land United States, Alaska, and the mid- and mobile radio service. western-Pacific areas, including American NG66 The frequency band 470–512 MHz is Samoa, Guam, the Northern Mariana Is- allocated for use in the broadcasting and lands, and Hawaii. land mobile radio services. In the land mo- Such use is subject to agreement with ad- bile services, it is available for assignment ministrations having services operating in in the domestic public, public safety, indus- accordance with the Table, which may be af- trial, and land transportation radio services fected. In the band 2500–2655 MHz, unless at, or in the vicinity of 11 urbanized areas of such agreement includes the use of higher the United States, as set forth in the fol- values, the power flux density at the Earth’s lowing table. Additionally, in the land mo- surface produced by emissions from a space bile services, TV channel 16 is available for station in this service shall not exceed the assignment in the public safety radio serv- values set forth in Part 25 of the Rules for ices at, or in the vicinity of, Los Angeles. this frequency band. Such use in the land mobile services is sub- NG104 The use of the bands 10.7–11.7 GHz ject to the conditions set forth in parts 22 (space-to-Earth) and 12.75–13.25 GHz (Earth- and 90 of this chapter. to-space) by the fixed-satellite service in the geostationary-satellite orbit shall be limited Urbanized area TV chan- to international systems, i.e., other than do- nel mestic systems. New York, NY-Northeastern New Jersey ...... 14, 15 NG111 The band 157.4375–157.4625 MHz may Los Angeles, CA ...... 14, 20 be used for one way paging operations in the Chicago, IL-Northwestern Indiana ...... 14, 15 special emergency radio service. Philadelphia, PA-New Jersey ...... 19, 20 NG112 The frequencies 25.04, 25.08, 150.980, San Francisco-Oakland, CA ...... 16, 17 154.585, 158.445, 159.480, 454.000 and 459.000 MHz Boston, MA ...... 14, 16 Washington, D.C.-Maryland-Virginia ...... 17, 18 may be authorized to stations in the petro- Pittsburgh, PA ...... 14, 18 leum radio service for use primarily in oil Miami, FL ...... 14 spill containment and cleanup operations

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and secondarily in regular land mobile com- NG134 In the band 10.45–10.5 GHz non-Gov- munication. ernment stations in the radiolocation service NG114 In the Gulf of Mexico offshore from shall not cause harmful interference to the the Louisiana-Texas coast, the frequency amateur and amateur-satellite services. band 476–494 MHz (TV channels 15, 16 and 17) NG135 In the 420–430 MHz band the ama- is allocated to the Domestic Public and Pri- teur service is not allocated north of line A vate Land Mobile Radio Services in accord- (def. § 2.1). ance with the regulations set forth in parts NG141 The frequencies 42.40 MHz and 44.10 22 and 90 respectively. MHz are authorized on a primary basis in the NG115 In the 174 to 216 MHz band wireless State of Alaska for meteor burst commu- microphones may be authorized to operate nications by fixed stations in the Rural on a secondary, non-interfering basis, sub- Radio Service operating under the provisions ject to terms and conditions set forth in part of part 22 of this chapter. The frequencies 74 of these Rules and Regulations. 44.20 MHz and 45.90 MHz are authorized on a NG117 The frequency 156.050 and 156.175 primary basis in Alaska for meteor burst MHz may be assigned to stations in the mar- communications by fixed private radio sta- itime mobile service for commercial and port tions operating under the provisions of part operations in the New Orleans Vessel Traffic 90 of the chapter. The private radio station Service (VTS) area and the frequency 156.250 frequencies may be used by Common Carrier MHz may be assigned to stations in the mar- stations on a secondary, noninterference itime mobile service for port operating in basis and the Common Carrier frequencies the New Orleans and Houston VTS areas. may be used by private radio stations for NG118 In the bands 2025–2110 MHz, 6875– meteor burst communications on a sec- 7125 MHz, and 12.7–13.25 GHz, television ondary, noninterference basis. Users shall translator relay stations may be authorized cooperate to the extent practical to mini- to use frequencies on a secondary basis to mize potential interference. Stations uti- other stations in the Television Broadcast lizing meteor burst communications shall Auxiliary Service that are operating in ac- not cause harmful interference to stations of cordance with the Table of Frequency Allo- other radio services operating in accordance cations. NG120 Frequencies in the band 928–960 with the Table of Frequency Allocations. MHz may be assigned for multiple address NG142 TV broadcast stations authorized to systems and mobile operations on a primary operate in the bands 54–72, 76–88, 174–216, 470– basis as specified in 47 CFR part 101. 512, and 512–806 MHz may use a portion of the NG124 Within designated segments of the television vertical blanking interval for the bands that comprise 30.85–47.41 MHz, 150.8– transmission of telecommunications signals, 159.465 MHz, and 453.0125–467.9875 MHz, police on the condition that harmful intereference licensees are authorized to operate low will not be caused to the reception of pri- power radio transmitters on a secondary, mary services, and that such telecommuni- non-interference basis in accordance with cations services must accept any inter- the provisions of 47 CFR 2.803 and 90.20(e)(5). ference caused by primary services operating NG127 In Hawaii, the frequency band 488– in these bands. 494 MHz is allocated exclusively to the fixed NG143 In the band 11.7–12.2 GHz, protec- service for use by common carrier control tion from harmful interference shall be af- and repeater stations for point-to-point forded to transmissions from space stations inter-island communications only. not in conformance with ITU Radio Regula- NG128 In the band 535–1705 kHz, AM tion 5.488 only if the operations of such space broadcast licensees or permittees may use stations impose no unacceptable constraints their AM carrier on a secondary basis to on operations or orbit locations of space sta- transmit signals intended for both broadcast tions in conformance with 5.488. and non-broadcast purposes. In the band 88– NG144 Stations authorized as of Sep- 108 MHz, FM broadcast licensees or permit- tember 9, 1983 to use frequencies in the bands tees are permitted to use subcarriers on a 17.7–18.58 GHz and 19.3–19.7 GHz may, upon secondary basis to transmit signals intended proper application, continue operations. for both broadcast and non-broadcast pur- Fixed stations authorized in the band 18.58– poses. In the bands 54–72, 76–88, 174–216, 470– 19.3 GHz that remain co-primary under the 608 and 614–806 MHz, TV broadcast licensees provisions of §§ 21.901(e), 74.502(c), 74.602(g), or permittees are permitted to use subcar- 78.18(a)(4), and 101.174(r) of this chapter may riers on a secondary basis for both broadcast continue operations consistent with the pro- and non-broadcast purposes. visions of those sections. NG129 In Alaska, the bands 76–88 MHz and NG145 In the band 11.7–12.2 GHz, tran- 88–100 MHz are also allocated to the Fixed sponders on space stations in the fixed-sat- service on a secondary basis. Broadcast sta- ellite service may be used additionally for tions operating in these bands shall not transmissions in the broadcasting-satellite cause interference to non-Government fixed service, provided that such transmissions do operations authorized prior to January 1, not have a maximum e.i.r.p. greater than 53 1982. dBW per television channel and do not cause

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greater interference or require more protec- the DTV transition period. Low power tele- tion from interference than the coordinated vision and television translators in the band fixed-satellite service frequency assign- 746–806 MHz must cease operations in the ments. With respect to the space services, band at the end of the DTV transition period. this band shall be used principally for the Low power television and television trans- fixed-satellite service. lators in the band 698–746 MHz are secondary NG147 Stations in the broadcast auxiliary to all other operations in the band 698–746 service and private radio services licensed as MHz. of July 25, 1985, or on a subsequent date fol- NG160 In the 5850–5925 MHz band, the use lowing as a result of submitting an applica- of the non-Federal government mobile serv- tion for license on or before July 25, 1985, ice is limited to Dedicated Short Range may continue to operate on a primary basis Communications operating in the Intelligent with the mobile-satellite service and the Transportation System radio service. radiodetermination satellite service. NG163 The allocation to the broadcasting- NG148 The frequencies 154.585 MHz, 159.480 satellite service in the band 17.3–17.7 GHz MHz, 160.725 MHz, 160.785 MHz, 454.000 MHz shall come into effect on 1 April 2007. and 459.000 MHz may be authorized to mari- NG164 The use of the band 18.3–18.8 GHz time mobile stations for offshore radio- by the fixed-satellite service (space-to- location and associated telecommand oper- Earth) is limited to systems in the geo- ations. stationary-satellite orbit. NG149 The frequency bands 54–72 MHz, 76– NG165 The use of the band 18.8–19.3 GHz 88 MHz, 174–216 MHz, 470–512 MHz, 512–608 by the fixed-satellite service (space-to- MHz, and 614–698 MHz are also allocated to Earth) is limited to systems in non-geo- the fixed service to permit subscription tele- stationary-satellite orbits. vision operations in accordance with part 73 of the rules. NG166 The use of the band 19.3–19.7 GHz NG151 In the frequency bands 824–849 MHz by the fixed-satellite service (space-to- and 869–894 MHz, cellular land mobile licens- Earth) is limited to feeder links for the mo- ees are permitted to offer auxiliary services bile-satellite service. on a secondary basis subject to the provi- NG167 The use of the fixed-satellite serv- sions of part 22. ice (Earth-to-space) in the band 24.75–25.25 NG152 The band 219–220 MHz is also allo- GHz is limited to feeder links for the broad- cated to the amateur service on a secondary casting-satellite service operating in the basis for stations participating, as for- band 17.3–17.7 GHz. The allocation to the warding stations, in point-to-point fixed dig- fixed-satellite service (Earth-to-space) in the ital message forwarding systems, including band 24.75–25.25 shall come into effect on 1 intercity packet backbone networks. April 2007. NG153 The bands 2110–2150 MHz and 2160– NG168 The band 2165–2200 MHz is also allo- 2165 MHz are reserved for future emerging cated to the fixed and mobile services on a technologies on a co-primary basis with the primary basis for facilities where the receipt fixed and mobile services. Allocations to spe- date of the initial application was prior to cific services will be made in future pro- January 16, 1992, and on a secondary basis for ceedings. all other initial applications. Not later than NG155 The bands 159.500–159.675 MHz and September 6, 2010, the band 2165–2200 MHz is 161.375–161.550 MHz are allocated to the mari- allocated to the fixed and mobile services on time service as described in Part 80 of this a secondary basis. chapter. Additionally, the frequencies NG169 After December 1, 2000, operations 159.550, 159.575 and 159.600 MHz are available on a primary basis by the fixed-satellite for low-power intership communications. service (space-to-Earth) in the band 3650–3700 NG156 The band 1990–2025 MHz is also allo- MHz shall be limited to grandfathered earth cated to the fixed and mobile services on a stations. All other fixed-satellite service primary basis for facilities where the receipt earth station operations in the band 3650–3700 date of the initial application was prior to MHz shall be on a secondary basis. Grand- June 27, 2000, and on a secondary basis for all fathered earth stations are those authorized other initial applications. Not later than prior to December 1, 2000, or granted as a re- September 6, 2010, the band 1990–2025 MHz is sult of an application filed prior to December allocated to the fixed and mobile services on 1, 2000, and constructed within 12 months of a secondary basis. initial authorization. license applications for NG158 The frequency bands 764–776 MHz primary operations for new earth stations, and 794–806 MHz are available for assignment major amendments to pending earth station exclusively to the public safety services, to applications, or applications for major modi- be defined in Docket No. WT 96–86. fications to earth station facilities filed on NG159 Full power analog television sta- or after December 18, 1998, and prior to De- tions licensed and new digital television cember 1, 2000, shall not be accepted unless (DTV) broadcasting operations in the band the proposed facilities are in the vicinity 698–806 MHz shall be entitled to protection (i.e., within 10 miles) of an authorized pri- from harmful interference until the end of mary earth station operating in the band

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3650–3700 MHz. License applications for pri- ations are subject to local coordination to mary operations by new earth stations, ensure that harmful interference will not be major amendments to pending earth station caused to the services to which the bands are applications, and applications for major allocated. modifications to earth station facilities, G8 Low power Government radio control filed after December 1, 2000, shall not be ac- operations are permitted in the band 420–450 cepted, except for changes in polarization, MHz. antenna orientation or ownership of a grand- G11 Government fixed and mobile radio fathered earth station. services, including low power radio control NG170 In the band 3650–3700 MHz, the mo- operations, are permitted in the band 902–928 bile except aeronautical mobile service is MHz on a secondary basis. limited to base station operations. These G15 Use of the band 2700–2900 MHz by the base stations are subject to the same coordi- military fixed and shipborne air defense nation procedures as fixed service operations radiolocation installations will be fully co- in the band 3650–3700 MHz. ordinated with the meteorological aids and NG171 In the band 6875–7125 MHz, the fol- aeronautical radionavigation services. The lowing two channels should be used for air- military air defense installations will be borne TV pickup stations, wherever possible: moved from the band 2700–2900 MHz at the 7075–7100 MHz and 7100–7125 MHz. earliest practicable date. Until such time as NG172 In the band 7025–7075 MHz, the fixed- military air defense installations can be ac- satellite service (space-to-Earth) is allocated commodated satisfactorily elsewhere in the on a primary basis, but the use of this allo- spectrum, such operations will, insofar as cation shall be limited to two grandfathered practicable, be adjusted to meet the require- satellite systems. Associated earth stations ments of the aeronautical radionavigation located within 300 meters of the following lo- service. cations shall be grandfathered: (1) in the G19 Use of the band 9000–9200 MHz by mili- band 7025–7075 MHz, Brewster, Washington tary fixed and shipborne air defense radio- (48°08′46.7′ N, 119°42′8.0′ W); and, (2) in the location installations will be fully coordi- band 7025–7055 MHz, Clifton, Texas (31°47′58.5′ nated with the aeronautical radionavigation N, 97°36′46.7′ W) and Finca Pascual, Puerto service, recognizing fully the safety aspects Rico (17°58′41.8′ N, 67°8′12.6′ W). All coordi- of the latter. Military air defense installa- nates are specified in terms of the North tions will be accommodated ultimately out- American Datum of 1983. side this band. Until such time as military NG173 In the band 216–220 MHz, secondary defense installations can be accommodated telemetry operations are permitted subject satisfactorily elsewhere in the spectrum to the requirements of § 90.259 of this chap- such operations will, insofar as practicable, ter. After January 1, 2002, no new assign- be adjusted to meet the requirements of the ments shall be authorized in the band 216–217 aeronautical radionavigation services. MHz. G27 In the bands 255–328.6 MHz, 335.4–399.9 NG174 In Puerto Rico, frequencies within MHz, and 1350–1390 MHz, the fixed and mobile the band 2385–2390 MHz are not available for services are limited to the military services. assignment to stations in the aeronautical G30 In the bands 138–144 MHz, 148–149.9 mobile service. MHz, and 150.05–150.8 MHz, the fixed and mobile services are limited primarily to oper- FEDERAL GOVERNMENT (G) FOOTNOTES ations by the military services. (These footnotes, each consisting of the G31 In the 3300–3500 MHz, the Government letter ‘‘G’’ followed by one or more digits, radiolocation is limited to the military serv- denote stipulations applicable only to the ices, except as provided by footnote. Federal Government.) G32 Except for weather radars on mete- G2 In the bands 216–225 MHz, 420–450 MHz orological satellites in the band 9975–10025 (except as provided by US217), 890–902 MHz, MHz and for Government survey operations 928–942 MHz, 1300–1390 MHz, 2310–2385 MHz, (see footnote US108), Government radio- 2417–2450 MHz, 2700–2900 MHz, 5650–5925 MHz, location in the band 10000–10500 MHz is lim- and 9000–9200 MHz, the Government radio- ited to the military services. location service is limited to the military G34 In the band 34.4–34.5 GHz, weather ra- services. dars on board meteorological satellites for G5 In the bands 162.0125–173.2, 173.4–174, cloud detection are authorized to operate on 406.1–410 and 410–420 MHz, the fixed and mo- the basis of equality with military radio- bile services are all allocated on a primary location devices. All other non-military basis to the Government non-military agen- radiolocation in the band 33.4–36.0 GHz shall cies. be secondary to the military services. G6 Military tactical fixed and mobile op- G42 Space command, control, range and erations may be conducted nationally on a range rate systems for earth station trans- secondary basis: (1) To the meteorological mission only (including installations on cer- aids service in the band 403–406 MHz; and (2) tain Navy ships) may be accommodated on a to the radio astronomy service in the band co-equal basis with the fixed and mobile 406.1–410 MHz. Such fixed and mobile oper- services in the band 1761–1842 MHz. Specific

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frequencies required to be used at any loca- side the conterminous United States. Within tion will be satisfied on a coordinated case- the conterminous United States, assign- by-case basis. ments in the fixed service are permitted, and G56 Government radiolocation in the will be protected for national defense pur- bands 1215–1300, 2900–3100, 5350–5650 and 9300– poses or, if they are to be used only in an 9500 MHz is primarily for the military serv- emergency jeopardizing life, public safety, or ices; however, limited secondary use is per- important property under conditions calling mitted by other Government agencies in sup- for immediate communication where other port of experimentation and research pro- means of communication do not exist. grams. In addition, limited secondary use is G116 The band 7125–7155 MHz is also allo- permitted for survey operations in the band cated for earth-to-space transmissions in the 2900–3100 MHz. Space Operations Service at a limited num- G59 In the bands 902–928 MHz, 3100–3300 ber of sites (not to exceed two), subject to es- MHz, 3500–3650 MHz, 5250–5350 MHz, 8500–9000 tablished coordination procedures. MHz, 9200–9300 MHz, 13.4–14.0 GHz, 15.7–17.7 GHz and 24.05–24.25 GHz, all Government non- G117 In the bands 7.25–7.75 GHz, 7.9–8.4 GHz, military radiolocation shall be secondary to 17.8–21.2 GHz, 30–31 GHz, 33–36 GHz, 39.5–40.5 military radiolocation, except in the sub- GHz, 43.5–45.5 GHz, and 50.4–51.4 GHz, the band 15.7–16.2 GHz airport surface detection Government fixed-satellite and mobile-sat- equipment (ASDE) is permitted on a co- ellite services are limited to military sys- equal basis subject to coordination with the tems. military departments. G118 Government fixed stations may be G100 The bands 235–322 MHz and 335.4–399.9 authorized in the band 1700–1710 MHz only if MHz are also allocated on a primary basis to spectrum is not available in the band 1710– the mobile-satellite service, limited to mili- 1850 MHz. tary operations. G120 Development of airborne primary ra- G104 In the bands 7450–7550 and 8175–8215 dars in the band 2310–2385 MHz with peak MHz, it is agreed that although the military transmitter power in excess of 250 watts for space radio communication systems, which use in the United States is not permitted. include earth stations near the proposed me- G122 In the bands 2390–2400 MHz, 2402–2417 teorological-satellite installations will pre- MHz, and 4940–4990 MHz, Government oper- cede the meteorological-satellite installa- ations may be authorized on a non-inter- tions, engineering adjustments to either the ference basis to authorized non-Government military or the meteorological-satellite sys- operations, but shall not hinder the imple- tems or both will be made as mutually re- mentation of any non-Government oper- quired to assure compatible operations of the ations. systems concerned. G123 The bands 2300–2310 and 2400–2402 G106 The bands 2501–2502 kHz, 5003–5005 MHz were identified for reallocation, effec- kHz, 10003–10005 kHz, 15005–15010 kHz, 19990– tive August 10, 1995, for exclusive non-Gov- 19995 kHz, 20005–20010 kHz and 25005–25010 kHz ernment use under Title VI of the Omnibus are also allocated, on a secondary basis, to Budget Reconciliation Act of 1993. Effective the space research service. The space re- August 10, 1995, any Government operations search transmissions are subject to imme- in these bands are on a non-interference diate temporary or permanent shutdown in the event of interference to the reception of basis to authorized non-Government oper- the standard frequency and time broadcasts. ations and shall not hinder the implementa- G109 All assignments in the band 157.0375– tion of any non-Government operations. 157.1875 MHz are subject to adjustment to G124 The band 2417–2450 MHz was identi- other frequencies in this band as long term fied for reallocation, effective August 10, U.S. maritime VHF planning develops, par- 1995, for mixed Government and non-Govern- ticularly that planning incident to support ment use under Title VI of the Omnibus of the National VHF–FM Radiotelephone Budget Reconciliation Act of 1993. Safety and Distress System (See Doc. 15624/1– G128 Use of the band 56.9–57 GHz by inter- 1.9.111/1.9.125). satellite systems is limited to transmissions G110 Government ground-based stations between satellites in geostationary orbit, to in the aeronautical radionavigation service transmissions between satellites in geo- may be authorized between 3500–3650 MHz stationary satellite orbit and those in high- when accommodation in the band 2700–2900 Earth orbit, to transmissions from satellites MHz is not technically and/or economically in geostationary satellite orbit to those in feasible. low-Earth orbit, and to transmissions from G114 The band 1369.05–1390 MHz is also allo- non-geostationary satellites in high-Earth cated to the fixed-satellite service (space-to- orbit to those in low-Earth orbit. For links Earth) and to the mobile-satellite service between satellites in the geostationary sat- (space-to-Earth) on a primary basis for the ellite orbit, the single entry power flux-den- relay of nuclear burst data. sity at all altitudes from 0 km to 1000 km G115 In the band 13360–13410 kHz, the fixed above the Earth’s surface, for all conditions service is allocated on a primary basis out- and for all methods of modulation, shall not

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exceed –147 dB (W/m2/100 MHz) for all angles (c) Observations being conducted on of arrival. frequencies or frequency bands not al- [49 FR 2373, Jan. 19, 1984] located to the radio astronomy service should be reported as in paragraph (a) EDITORIAL NOTE 1: For FEDERAL REGISTER of this section for information pur- citations affecting § 2.106, see the List of CFR Sections Affected, which appears in the poses. Information in this category will Finding Aids section of the printed volume not be submitted for entry in the Mas- and on GPO Access. ter International Frequency Register and protection from interference will § 2.107 Radio astronomy station notifi- not be afforded such operations by sta- cation. tions in other services. (a) Pursuant to No. 1492 of Article 13 § 2.108 Policy regarding the use of the and Section F of Appendix 3 to the fixed-satellite allocations in the 3.6– international Radio Regulations 3.7, 4.5–4.8, and 5.85–5.925 GHz (Geneva, 1982), operators of radio as- bands. tronomy stations desiring inter- The use of the fixed-satellite alloca- national recognition of their use of spe- tions in the United States in the above cific radio astronomy frequencies or bands will be governed by footnote bands of frequencies for reception, US245. Use of the fixed-satellite service should file the following information allocations in these bands is for the with the Commission for inclusion in international fixed-satellite service, the Master International Frequency that is, for international inter-conti- Register: nental communications. Case-by-case (1) The center of the frequency band electromagnetic compatibility analysis observed, in kilohertz up to 28,000 kHz is required with all users of the bands. inclusive, in megahertz above 28,000 It is anticipated that one earth station kHz to 10,500 MHz inclusive and in on each coast can be successfully co- gigahertz above 10,500 MHz. ordinated. Specific locations of these (2) The date (actual or foreseen, as earth stations depend upon service re- appropriate) when reception of the fre- quirements and case-by-case EMC anal- quency band begins. yses that demonstrate compatible op- (3) The name and location of the sta- erations. tion, including geographical coordinates in degrees and minutes. Subpart C—Emissions (4) The width of the frequency band (in kHz) observed by the station. § 2.201 Emission, modulation, and (5) The antenna type and dimensions, transmission characteristics. effective area and angular coverage in The following system of designating azimuth and elevation. emission, modulation, and trans- (6) The regular hours of reception (in mission characteristics shall be em- UTC) of the observed frequency. ployed. (7) The overall receiving system (a) Emissions are designated accord- noise temperature (in kelvins) referred ing to their classification and their to the output of the receiving antenna. necessary bandwidth. (8) The class of observations to be (b) A minimum of three symbols are taken. Class A observations are those used to describe the basic characteris- in which the sensitivity of the equip- tics of radio waves. Emissions are clas- ment is not a primary factor. Class B sified and symbolized according to the observations are those of such a nature following characteristics: that they can be made only with ad- (1) First symbol—type of modulation vanced low-noise receivers using the of the main character; best techniques. (2) Second symbol—nature of sig- (9) The name and mailing address of nal(s) modulating the main carrier; the operator. (3) Third symbol—type of informa- (b) The permanent discontinuance of tion to be transmitted. observations, or any change to the in- NOTE: A fourth and fifth symbol are pro- formation above, should also be filed vided for additional information and are with the Commission. shown in Appendix 6, part A of the ITU Radio

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Regulations. Use of the fourth and fifth sym- (d) Second Symbol—nature of sig bol is optional. Therefore, the symbols may nal(s) modulating the main carrier: be used as described in Appendix 6, but are not required by the Commission. (1) No modulating signal ...... 0 (2) A single channel containing (c) First Symbol—types of modula- quantized or digital information tion of the main carrier: without the use of a modulating (1) Emission of an unmodulated sub-carrier, excluding time-divi- carrier ...... N sion muliplex ...... 1 (2) Emission in which the main (3) A single channel containing carrier is amplitude-modulated quantized or digital information (including cases where sub-car- with the use of a modulating sub- riers are angle-modulated):. carrier, excluding time-division —Double-sideband ...... A multiplex ...... 2 —Single-sideband, full carrier ..... H (4) A single channel containing —Single-sideband, reduced or analogue information ...... 3 variable level carrier ...... R (5) Two or more channels con- —Single-sideband, suppressed taining quantized or digital in- carrier ...... J formation ...... 7 —Independent sidebands ...... B (6) Two or more channels con- —Vestigial sideband ...... C taining analogue information ..... 8 (7) Composite system with one or (3) Emission in which the main more channels containing quan- carrier is angle-modulated:. tized or digital information, to- —Frequency modulation ...... F gether with one or more channels —Phase modulation ...... G containing analogue information 9 NOTE: Whenever frequency modulation ‘‘F’’ (8) Cases not otherwise covered ... X is indicated, Phase modulation ‘‘G’’ is also acceptable. (e) Third Symbol—type of information to be transmitted:2 (4) Emission in which the main carrier is amplitude and angle- (1) No information transmitted ... N modulated either simultaneously (2) Telegraphy—for aural recep- or in a pre-established sequence .. D tion ...... A (5) Emission of pulses:1. (3) Telegraphy—for automatic re- —Sequence of unmodulated ception ...... B pulses ...... P (4) Facsimile ...... C —A sequence of pulses: (5) Data transmission, telemetry, telecommand ...... D —Modulated in amplitude ...... K (6) Telephony (including sound —Modulated in width/duration L broadcasting) ...... E —Modulated in position/phase .. M (7) Television (video) ...... F —In which the carrier is angle- (8) Combination of the above ...... W modulated during the period (9) Cases not otherwise covered ... X of the pulse ...... Q —Which is a combination of the (f) Type B emission: As an exception foregoing or is produced by to the above principles, damped waves other means ...... V are symbolized in the Commission’s (6) Cases not covered above, in rules and regulations as type B emis- which an emission consists of the sion. The use of type B emissions is for- main carrier modulated, either bidden. simultaneously or in a pre-estab- (g) Whenever the full designation of lished sequence, in a combination an emission is necessary, the symbol of two or more of the following for that emission, as given above, shall modes: amplitude, angle, pulse ... W (7) Cases not otherwise covered ... X modulation) should be designated under (2) or (3). 2 In this context the word ‘‘information’’ does not include information of a constant, 1 Emissions where the main carrier is di- unvarying nature such as is provided by rectly modulated by a signal which has been standard frequency emissions, continuous coded into quantized form (e.g. pulse code wave and pulse radars, etc.

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be preceded by the necessary band- (c) The necessary bandwidth may be width of the emission as indicated in determined by one of the following § 2.202(b)(1). methods: (1) Use of the formulas included in [49 FR 48697, Dec. 14, 1984] the table, in paragraph (g) of this section, which also gives examples of nec- § 2.202 Bandwidths. essary bandwidths and designation of (a) Occupied bandwidth. The fre- corresponding emissions; quency bandwidth such that, below its (2) For frequency modulated radio lower and above its upper frequency systems which have a substantially lin- limits, the mean powers radiated are ear relationship between the value of each equal to 0.5 percent of the total input voltage to the modulator and the mean power radiated by a given emis- resulting frequency deviation of the sion. In some cases, for example multi- carrier and which carry either single channel frequency-division systems, sideband suppressed carrier frequency the percentage of 0.5 percent may lead division multiplex speech channels or to certain difficulties in the practical television, computation in accordance application of the definitions of occu- with provisions of paragraph (f) of this pied and necessary bandwidth; in such section and formulas and methods indi- cases a different percentage may prove cated in the table, in paragraph (g) of useful. this section; (b) Necessary bandwidth. For a given (3) Computation in accordance with Recommendations of the International class of emission, the minimum value Radio Consultative Committee of the occupied bandwidth sufficient to (C.C.I.R.); ensure the transmission of information (4) Measurement in cases not covered at the rate and with the quality re- by paragraph (c) (1), (2), or (3) of this quired for the system employed, under section. specified conditions. Emissions useful (d) The value so determined should be for the good functioning of the receiv- used when the full designation of an ing equipment as, for example, the emission is required. However, the nec- emission corresponding to the carrier essary bandwidth so determined is not of reduced carrier systems, shall be in- the only characteristic of an emission cluded in the necessary bandwidth. to be considered in evaluating the in- (1) The necessary bandwidth shall be terference that may be caused by that expressed by three numerals and one emission. letter. The letter occupies the position (e) In the formulation of the table in of the decimal point and represents the paragraph (g) of this section, the fol- unit of bandwidth. The first character lowing terms are employed: shall be neither zero nor K, M or G. Bn = Necessary bandwidth in hertz (2) Necessary bandwidths: B = Modulation rate in bauds between 0.001 and 999 Hz shall be expressed in N = Maximum possible number of black plus Hz (letter H); white elements to be transmitted per second, in facsimile between 1.00 and 999 kHz shall be expressed M = Maximum modulation frequency in in kHz (letter K); hertz between 1.00 and 999 MHz shall be expressed C = Sub-carrier frequency in hertz in MHz (letter M); D = Peak frequency deviation, i.e., half the between 1.00 and 999 GHz shall be expressed difference between the maximum and min- in GHz (letter G). imum values of the instantaneous fre- (3) Examples: quency. The instantaneous frequency in hertz is the time rate of change in phase in 0.002 Hz—H002 180.5 kHz—181K radians divided by 2 0.1 Hz—H100 180.7 kHz—181K t = Pulse duration in seconds at half-ampli- 25.3 Hz—25H3 1.25 MHz—1M25 tude 400 Hz—400H 2 MHz—2M00 tr = Pulse rise time in seconds between 10% 2.4 kHz—2K40 10 MHz—10M0 and 90% of maximum amplitude 6 kHz—6K00 K = An overall numerical factor which varies 202 MHz—202M 12.5 kHz—12K5 according to the emission and which de- 5.65 GHz—5G65 180.4 kHz—180K pends upon the allowable signal distortion.

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Nc = Number of baseband telephone channels (i) The rms value of the per-channel in radio systems employing multichannel deviation for the system shall be speci- multiplexing fied. (In the case of systems employing P = Continuity pilot sub-carrier frequency (Hz) (continuous signal utilized to verify preemphasis or phase modulation, this performance of frequency-division multi- value of per-channel deviation shall be plex systems). specified at the characteristic (f) Determination of values of D and baseband frequency.) (ii) The value of D is then calculated Bn for systems specified in paragraph (c)(2) of this section: by multiplying the rms value of the (1) Determination of D in systems for per-channel deviation by the appro- multichannel telephony: priate factors, as follows:

Number of message circuits Multiplying factors Limits of X (Pavg (dBmO))

More than 3, but less than 12 ...... 4.47 × [a factor specified by the equipment manufacturer or station licensee, subject to Com- mission approval].

3.76 antilog (X+2 log10 Nc) At least 12, but less than 60 ...... ————————————— X: ¥2 to +2.6. 20

3.76 antilog (X+4 log10 Nc) At least 60, but less than 240 ...... ————————————— X: ¥5.6 to ¥1.0. 20

3.76 antilog (X+10 log10 Nc) 240 or more ...... ————————————— X: ¥19.6 to ¥15.0. 20

Where X represents the average power in a message circuit in dBmO; Nc is the number of circuits in the multiplexed message load; 3.76 corresponds to a peak load factor of 11.5 dB.

(2) The necessary bandwidth (Bn) nor- merically equal to 2P or 2M+2DK, mally is considered to be numerically whichever is greater, provided the fol- equal to: lowing conditions are met: (i) 2M+2DK, for systems having no (i) The modulation index of the main continuity pilot subcarrier or having a carrier due to the continuity pilot sub- continuity pilot subcarrier whose fre- carrier does not exceed 0.25, and quency is not the highest modulating (ii) In a radio system of multichannel the main carrier; telephony, the rms frequency deviation (ii) 2P+2DK, for systems having a of the main carrier due to the con- continuity pilot subcarrier whose fre- tinuity pilot subcarrier does not exceed quency exceeds that of any other signal 70 percent of the rms value of the per- modulating the main carrier, unless channel deviation, or, in a radio sys- the conditions set forth in paragraph tem for television, the rms deviation of (f)(3) of this section are met. the main carrier due to the pilot does (3) As an exception to paragraph not exceed 3.55 percent of the peak de- (f)(2)(ii) of this section, the necessary viation of the main carrier. bandwidth (Bn) for such systems is nu- (g) Table of necessary bandwidths:

Necessary bandwidth Description of emission Designation of Formula Sample calculation emission

I. NO MODULATING SIGNAL

Continuous wave emis- N0N (zero) sion.

II. AMPLITUDE MODULATION 1. Signal With Quantized or Digital Information

Continuous wave teleg- Bn=BK, K=5 for fading circuits, 25 words per minute; B=20, K=5, Bandwidth: 100HA1A raphy. K=3 for non-fading circuits 100 Hz

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Necessary bandwidth Description of emission Designation of Formula Sample calculation emission

Telegraphy by on-off Bn=BK+2M, K=5 for fading circuits, 25 words per minute; B=20, M=1000, K=5, 2K10A2A keying of a tone mod- K=3 for non-fading circuits Bandwidth: 2100 Hz=2.1 kHz ulated carrier.

Selective calling signal, Bn=M Maximum code frequency is: 2110 Hz, 2K11H2B single-sideband full M=2110, Bandwidth: 2110 Hz=2.11 kHz carrier.

Direct-printing teleg- Bn=2M+2DK, M=B÷2 B=50, D=35 Hz (70 Hz shift), K=1.2, Band- 134HJ2B raphy using a fre- width: 134 Hz quency shifted modulating sub-carrier single-sideband suppressed carrier.

Telegraphy, single side- Bn=central frequency+M+DK, 15 channels; highest central frequency is: 2K89R7B band reduced carrier. M=B÷2 2805 Hz, B=100, D=42.5 Hz (85 Hz shift), K=0.7 Bandwidth: 2.885 Hz=2.885 kHz

2. Telephony (Commercial Quality)

Telephony double-side- Bn=2M M=3000, Bandwidth=6000 Hz=6 kHz 6K00A3E band.

Telephony, single-side- Bn=2M M=3000, Bandwidth: 3000 Hz=3 kHz 3K00H3E band, full carrier.

Telephony, single-side- Bn=M¥lowest modulation fre- M=3000, lowest modulation frequency is 3000 2K70J3E band suppressed car- quency Hz, 2700 Hz Bandwidth: 2700Hz=2.7 kHz rier.

Telephony with separate Bn=M Maximum control frequency is 2990 Hz, 2K99R3E frequency modulated M=2990, Bandwidth: 2990 Hz=2.99 kHz signal to control the level of demodulated speech signal, single- sideband, reduced carrier.

Telephony with privacy, Bn=Nc M¥lowest modulation fre- Nc=2, M=3000 lowest modulation frequency is 5K75J8E single-sideband, sup- quency in the lowest channel 250 Hz, Bandwidth: 5750 Hz=5.75 kHz pressed carrier (two or more channels).

Telephony, independent Bn=sum of M for each sideband 2 channels, M=3000, Bandwidth: 6000 Hz=6 6K00B8E sideband (two or more kHz channels).

3. Sound Broadcasting

Sound broadcasting, Bn=2M, M may vary between 4000 Speech and music, M=4000, Bandwidth: 8000 8K00A3E double-sideband. and 10000 depending on the Hz= 8 kHz quality desired

Sound broadcasting, sin- Bn=M, M may vary between 4000 Speech and music, M=4000, Bandwidth: 4000 4K00R3E gle-sideband reduced and 10000 depending on the Hz= 4 kHz carrier (single chan- quality desired nel).

Sound broadcasting, sin- Bn=M¥lowest modulation fre- Speech and music, M=4500, lowest modula- 4K45J3E gle-sideband, sup- quency tion frequency=50 Hz, Bandwidth: 4450 pressed carrier. Hz=4.45 kHz

4. Television

Television, vision and Refer to CCIR documents for the Number of lines=525; Nominal video band- 5M75C3F sound. bandwidths of the commonly width: 4.2 MHz, Sound carrier relative to used television systems video carrier=4.5 MHz Total vision bandwidth: 5.75 MHz; FM aural 250KF3E bandwidth including guardbands: 250,000 Hz Total bandwidth: 6 MHz 6M25C3F

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Necessary bandwidth Description of emission Designation of Formula Sample calculation emission

5. Facsimile

Analogue facsimile by Bn=C–N÷2+DK, K=1.1 (typically) N=1100, corresponding to an index of co- 2K89R3C sub-carrier frequency operation of 352 and a cycler rotation modulation of a sin- speed of 60 rpm. Index of cooperation is gle-sideband emission the product of the drum diameter and num- with reduced carrier. ber of lines per unit length C=1900, D=400 Hz, Bandwidth=2.890 Hz=2.89 kHz

Analogue facsimile; fre- Bn=2M+2DK, M=N/2, K=1.1 N=1100, D=400 Hz, Bandwidth: 1980 Hz=1.98 1K98J3C quency modulation of (typically) kHz an audio frequency sub-carrier which modulates the main carrier, single-sideband suppressed carrier.

6. Composite Emissions

Double-sideband, tele- Bn=2C+2M+2D Video limited to 5 MHz, audio on 6.5 MHz fre- 13M2A8W vision relay. quency modulated subcarrier deviation=50 kHz: C=6.5×106 D=50×103 Hz, M=15,000, Bandwidth: 13.13×106 Hz=13.13 MHz

Double-sideband radio Bn=2M 10 voice channels occupying baseband be- 328KA8E relay system. tween 1 kHz and 164 kHz; M=164,000 bandwith=328,000 Hz=328 kHz

Double-sideband emis- Bn=2Cmax+2M+2DK, K=1 The main carrier is modulated by: —a 30 Hz 20K9A9W sion of VOR with (typically) sub-carrier—a carrier resulting from a 9960 voice (VOR=VHF Hz tone frequency modulated by a 30 Hz omnidirectional radio tone—a telephone channel—a 1020 Hz range). keyed tone for continual Morse identification. Cmax=9960, M=30, D=480 Hz, Band- width: 20,940 Hz=20.94 kHz

Independent sidebands; Bn=sum of M for each sideband Normally composite systems are operated in 12K0B9W several telegraph accordance with standardized channel ar- channels together with rangements, (e.g. CCIR Rec. 348–2) 3 tele- several telephone phone channels and 15 telegraphy chan- channels. nels require the bandwidth 12,000 Hz=12 kHz

III–A. FREQUENCY MODULATION 1. Signal With Quantized or Digital Information

Telegraphy without Bn=2M+2DK, M=B÷2, K=1.2 B=100, D=85 Hz (170 Hz shift), Bandwidth: 304HF1B error-correction (single (typically) 304 Hz channel).

Four-frequency duplex Bn2M+2DK, B=Modulation rate in Spacing between adjacent frequencies=400 1K42F7B telegraphy. bands of the faster channel. If Hz; Synchronized channels; B=100, M=50, the channels are synchronized: D=600 Hz, Bandwidth: 1420 Hz=1.42 kHz M=B÷2, otherwise M=2B, K=1.1 (typically)

2. Telephony (Commercial Quality)

Commercial telephony ... Bn=2M+2DK, K=1 (typically, but For an average case of commercial teleph- 16K0F3E under conditions a higher value ony, M=3,000, Bandwidth: 16,000 Hz=16 may be necessary kHz

3. Sound Broadcasting

Sound broadcasting ...... Bn=2M+2DK, K=1 (typically) Monaural, D=75,000 Hz, M=15,000, Band- 180KF3E width: 18,000 Hz=180 kHz

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Necessary bandwidth Description of emission Designation of Formula Sample calculation emission

4. Facsimile

Facsimile by direct fre- Bn=2M+2DK, M=N÷2, K=1.1 N=1100 elements/sec; D=400 Hz, Bandwidth: 1K98F1C quency modulation of (typically) 1980 Hz=1.98 kHZ the carrier; black and white.

Analogue facsimile ...... Bn=2M+2DK, M=N÷2, K=1.1 N=1100 elements/sec; D=400 Hz, Bandwidth: 1K98F3C (typically) 1980 Hz=1.98 kHz

5. Composite Emissions (See Table III–B)

Radio-relay system, fre- Bn=2P+2DK, K=1 Microwave radio relay system specifications: 2M45F8E quency division multi- 60 telephone channels occupying baseband plex. between 60 and 300 kHz; rms per-channel deviation 200 kHz; pilot at 331 kHz produces 200 kHz rms deviation of main carrier. Computation of 3 Bn : D=(200×10 3×3.76×1.19), Hz=0.895×106, P=0.331×106 Hz; Bandwidth: 2.452×106 Hz

Radio-relay system fre- Bn=2M+2DK, K=1 Microwave radio relay relay systems speci- 16M6F8E quency division mul- fications: 1200 telephone channels occu- tiple. pying baseband between 60 and 5564 kHz; rms per channel deviation 200 kHz; continunity pilot at 6199 kHz produces 140 kHz rms deviation of main carrier. Computa- 0 3 tion of Bn : D=(20 ×10 × 3.76×3.63)=2.73×106; M=5.64×106 Hz; P=6.2×106 Hz; (2M+2DK<2P; Bandwidth 16.59×106 Hz

Radio-relay system, fre- Bn=2P Microwave radio relay system specifications: 17M0F8E quency division multi- Multiplex 600 telephone channels occupying plex. baseband between 60 and 2540 kHz; continuity pilot at 8500 kHz produces 140 kHz rms deviation of main carrier. Computation of Bn : D=(200×103×3.76 × 2.565)=1.93×106 Hz; M=2.54×106 Hz; 2DK)≤2P Bandwidth: 17×106 Hz

Unmodulated pulse Bn=2K÷t, K depends upon the Primary Radar Range resolution: 150 m, 3M00P0N emission. ratio of pulse rise time. Its value K=1.5 (triangular pulse where tùtr, only usually falls between 1 and 10 components down to 27 dB from the strong- and in many cases it does not est are considered) Then t=2× range resolu- need to exceed 6 tion÷velocity of light=2×150÷3×108=1×10¥6 seconds, Bandwidth: 3×106 Hz=3 MHz

6. Composite Emissions

Radio-relay system ...... Bn=2K÷t, K=1.6 Pulse position modulated by 36 voice channel 8M00M7E baseband; pulse width at half amplitude=0.4 us, Bandwidth: 8×106 Hz=8 MHz (Bandwidth independent of the number of voice channels)

[28 FR 12465, Nov. 22, 1963, as amended at 37 FR 8883, May 2, 1972; 37 FR 9996, May 18, 1972; 48 FR 16492, Apr. 18, 1983; 49 FR 48698, Dec. 14, 1984]

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Subpart D—Call Signs and Other § 2.302 Call signs. Forms of Identifying Radio The table which follows indicates the Transmissions composition and blocks of international call signs available for assign- AUTHORITY: Secs. 4, 5, 303, 48 Stat., as ment when such call signs are required amended, 1066, 1068, 1082; 47 U.S.C. 154, 155, by the rules pertaining to particular 303. classes of stations. When stations oper- § 2.301 Station identification require- ating in two or more classes are au- ment. thorized to the same licensee for the Each station using radio frequencies same location, the Commission may shall identify its transmissions accord- elect to assign a separate call sign to ing to the procedures prescribed by the each station in a different class. (In ad- rules governing the class of station to dition to the U.S. call sign allocations which it belongs with a view to the listed below, call sign blocks AAA elimination of harmful interference through AEZ and ALA through ALZ and the general enforcement of appli- have been assigned to the Department cable radio treaties, conventions, regu- of the Army; call sign block AFA lations, arrangements, and agreements through AKZ has been assigned to the in force, and the enforcement of the Department of the Air Force; and call Communications Act of 1934, as amend- sign block NAA through NZZ has been ed, and the Commission’s rules. assigned jointly to the Department of [34 FR 5104, Mar. 12, 1969] the Navy and the U.S. Coast. Guard.

Class of station Composition of call sign Call sign blocks

Coast (Class I) except for coast telephone in 3 letters ...... KAA through KZZ. Alaska. WAA through WZZ. Coast (Classes II and III) and maritime radio- 3 letters, 3 digits ...... KAA200 through KZZ999. determination. WAA200 through WZZ999. Coast telephone in Alaska ...... 3 letters, 2 digits. 3 letters, 3 digits (for stations assigned KAA20 through KZZ99. frequencies above 30 MHz). WAA20 through WZZ99. WZZ200 through WZZ999. Fixed ...... 3 letters, 2 digits ...... KAA20 through KZZ99. 3 letters, 3 digits (for stations assigned WAA20 through WZZ99. frequencies above 30 MHz). WAA200 through WZZ999. Marine receiver test ...... 3 letters, 3 digits (plus general geo- KAA200 through KZZ999. graphic location when required). WAA200 through WZZ999. Ship telegraph ...... 4 letters 1 ...... KAAA through KZZZ. WAAA through WZZZ. Ship telephone ...... 2 letters, 4 digits, or 3 letters, 4 digits 1 WA2000 through WZ9999, through WZZ9999. Ship telegraph plus telephone ...... 4 letters ...... KAAA through KZZZ. WAAA through WZZZ. Ship radar ...... Same as ship telephone and/or tele- WA2000 through WZ9999, through graph call sign, or, if ship has no WZZ9999. telephone or telegraph: 2 letters, 4 digits, or 3 letters, 4 digits. Ship survival craft ...... Call sign of the parent ship followed by KAAA20 through KZZZ99. 2 digits. WAAA20 through WZZZ99. Cable-repair ship marker buoy ...... Call sign of the parent ship followed by the letters ‘‘BT’’ and the identifying number of the buoy. Marine utility ...... 2 letters, 4 digits ...... KA2000 through KZ9999. Shipyard mobile ...... 2 letters, 4 digits ...... KA2000 through KZ9999. Aircraft telegraph ...... 5 letters ...... KAAAA through KZZZZ. WAAAA through WZZZZ. Aircraft telegraph and telephone ...... 5 letters 2 ...... KAAAA through KZZZZ. WAAAA through WZZZZ. Aircraft telephone ...... 5 letters 2 (whenever a call sign is as- KAAAA through KZZZZ. signed). WAAAA through WZZZZ. Aircraft survival craft ...... Whenever a call sign 2 is assigned, call sign of the parent aircraft followed by a single digit other than 0 or 1. Aeronautical ...... 3 letters, 1 digit 2 ...... KAA2 through KZZ9. WAA2 through WZZ9. Land mobile (base) ...... 3 letters, 3 digits ...... KAA200 through KZZ999. WAA200 through WZZ999

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Class of station Composition of call sign Call sign blocks

Land mobile (mobile telegraph) ...... 4 letters, 1 digit ...... KAAA2 through KZZZ9. WAAA2 through WZZZ9. Land mobile (mobile telephone) ...... 2 letters, 4 digits ...... KA2000 through KZ9999. WA2000 through WZ9999 Broadcasting (standard) ...... 4 letters 3 (plus location of station) ...... KAAA through KZZZ. WAAA through WZZZ. Broadcasting (FM) ...... 4 letters (plus location of station) ...... KAAA through KZZZ. WAAA through WZZZ. Broadcasting with suffix ‘‘FM’’ ...... 6 letters 3 (plus location of station) ...... KAAA–FM through KZZZ-–FM. WAAA–FM through WZZZ–FM. Broadcasting (television) ...... 4 letters (plus location of station) ...... KAAA through KZZZ. WAAA through WZZZ. Broadcasting with suffix ‘‘TV’’ ...... 6 letters 3 (plus location of station) ...... KAAA–TV through KZZZ–TV. WAAA–TV through WZZ–TV. Television broadcast translator ...... 1 letter—output channel number—2 let- K02AA through K83ZZ. ters. W02AA through W83ZZ. Disaster station, except U.S. Government ..... 4 letters, 1 digit ...... KAAA2 through KZZZ9. WAAA2 through WZZZ9. Experimental (letter ‘‘X’’ follows the digit) ...... 2 letters, 1 digit, 3 letters ...... KA2XAA through KZ9XZZ. WA2XAA through WZ9XZZ. Amateur (letter ‘‘X’’ may not follow digit) ...... 1 letter, 1 digit, 1 letter 4 ...... K1A through K0Z. N1A through N0Z. W1A through W0Z. Amateur ...... 1 letter, 1 digit, 2 letters 4 ...... K1AA through K0ZZ. N1AA through N0ZZ. W1AA through W0ZZ. Do ...... 1 letter, 1 digit, 3 letters 4 ...... K1AAA through K0ZZZ. N1AAA through N0ZZZ. W1AAA through W0ZZZ. Do ...... 2 letters, 1 digit, 1 letter 4 ...... AA1A through AI0Z. KA1A through KZ0Z. NA1A through NZ0Z. WA1A through WZ0Z. Do ...... 2 letters, 1 digit, 2 letters 4 ...... AA1AA through AL0ZZ. KA1AA through KZ0ZZ. NA1AA through NZ0ZZ. WA1AA through WZ0ZZ. Amateur (letter ‘‘X’’ may not follow digit) ...... 2 letters, 1 digit, 3 letters 4 ...... AA1AAA through AL0ZZZ. KA1AAA through KZ0ZZZ. NA1AAA through NZ0ZZZ. WA1AAA through WZ0ZZZ. Standard frequency ...... WWV, WWVB through WWVI, WWVL, WWVS. Personal radio ...... 3 letters, 4 digits, or 4 letters, 4 digits. KAA0001 through KZZ9999, WAA0001 through WPZ9999, KAAA0001 through KZZZ9999. Personal radio, temporary permit ...... 3 letters, 5 digits ...... KAA00000 through KZZ99999. Personal radio in trust territories...... 1 letter, 4 digits ...... K0001 through K9999. Business radio temporary permit ...... 2 letters, 7 digits ...... WT plus local telephone number. Part 90 temporary permit ...... 2 letters, 7 digits ...... WT plus local telephone number. Part 90 conditional permit ...... 2 letters, 7 digits ...... WT plus local telephone number. General Mobile Radio Service, temporary 2 letters, 7 digits ...... WT plus business or residence tele- permit. phone number.

NOTE: The symbol 0 indicates the digit zero. 1 Ships with transmitter-equipped survival craft shall be assigned four letter call signs. 2 See § 2.303. 3 A 3 letter call sign now authorized for and in continuous use by a licensee of a standard broadcasting station may continue to be used by that station. The same exception applies also to frequency modulation and television broadcasting stations using 5 letter call signs consisting of 3 letters with the suffix ‘‘FM’’ or ‘‘TV’’. 4 Plus other identifying data as may be specified. [34 FR 5104, Mar. 12, 1969; as amended at 54 50239, Dec. 5, 1989]

EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 2.302, see the List of CFR Sec- tions Affected in the Finding Aids section of this volume.

§ 2.303 Other forms of identification of used in lieu of call signs by the speci- stations. fied classes of stations. Such recog- (a) The following table indicates nized means of identification may be forms of identification which may be one or more of the following: name of station, location of station, operating

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agency, official registration mark, guishing form of identification readily flight identification number, selective recognized internationally. Reference call number or signal, selective call should be made to the appropriate part identification number or signal, char- of the rules for complete information acteristic signal, characteristic of on identification procedures for each emission or other clearly distin- service.

Class of station Identification, other than assigned call sign

Aircraft (U.S. registry) telephone ...... Registration number preceded by the type of the aircraft, or the radiotelephony designator of the aircraft operating agency followed by the flight identification number. Aircraft (foreign registry) telephone ...... Foreign registry identification consisting of five characters. This may be preceded by the radiotelephony designator of the aircraft operating agency or it may be preceded by the type of the aircraft. Aeronautical ...... Name of the city, area, or airdrome served together with such additional identification as may be required. Aircraft survival craft ...... Appropriate reference to parent aircraft, e.g., the air carrier parent aircraft flight number or identification, the aircraft registration number, the name of the aircraft manufacturer, the name of the aircraft owner, or any other pertinent information. Ship telegraph ...... When an official call sign is not yet assigned: Complete name of the ship and name of licensee. On 156.65 MHz: Name of ship. Digital selective call. Ship telegraph ...... Digital selective call. Public coast (radiotelephone) and Limited The approximate geographic location in a format approved by the Commission. Coast (Radiotelephone). Coast station identification number. Public coast (radiotelegraph) ...... Coast station identification number. Fixed ...... Geographic location. When an approved method of superimposed identification is used, QTT DE (abbreviated name of company or station). Fixed: Rural subscriber service ...... Assigned telephone number. Land mobile: Public safety, forestry conserva- Name of station licensee (in abbreviated form if practicable), or location of station, highway maintenance, local govern- tion, or name of city, area, or facility served. Individual stations may be identi- ment, shipyard, land transportation, and fied by additional digits following the more general identification. aviation services. Land mobile: Industrial service ...... Mobile unit cochannel with its base station: Unit identifier on file in the base station records. Mobile unit not cochannel with its base station: Unit identifier on file in the base station records and the assigned call sign of either the mobile or base station. Temporary base station: Unit designator in addition to base station identification. Land mobile: Domestic public and rural radio Special mobile unit designation assigned by licensee or by assigned telephone number. Land mobile: Railroad radio service ...... Name of railroad, train number, caboose number, engine number, or name of fixed wayside station or such other number or name as may be specified for use of railroad employees to identify a specific fixed point or mobile unit. A railroad’s abbreviated name or initial letters may be used where such are in general usage. Unit designators may be used in addition to the station identification to identify an individual unit or transmitter of a base station. Land mobile: Broadcasting (remote pickup) .... Identification of associated broadcasting station. Broadcasting (Emergency Broadcast System) State and operational area identification. Broadcasting (aural STL and intercity relay) ... Call sign of the broadcasting station with which it is associated. Broadcasting (television auxiliary) ...... Call sign of the TV broadcasting station with which it is licensed as an auxiliary, or call sign of the TV broadcasting station whose signals are being relayed, or by network identification. Broadcasting (television booster)...... Retransmission of the call sign of the primary station. Disaster station ...... By radiotelephony: Name, location, or other designation of station when same as that of an associated station in some other service. Two or more separate units of a station operated at different locations are separately identified by the addition of a unit name, number, or other designation at the end of its authorized means of identification.

(b) Digital selective calls will be au- (2) Ship station selective call num- thorized by the Commission and will be ber: 5 digits. formed by groups of numbers (0 (3) Predetermined group of ship sta- through 9), however, the first digit tions: 5 digits. must be other than 0, as follows: (c) Ship stations operating under a (1) Coast station identification num- temporary operating authority shall ber: 4 digits. identify by a call sign consisting of the

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letter ‘‘K’’ followed by the vessel’s Fed- vehicles carrying the station which in- eral or State registration number, or a tervenes believes that further help is call sign consisting of the letters necessary. ‘‘KUS’’ followed by the vessel’s docu- (c) In the case of other stations, when mentation number. However, if the ves- directed to do so by the station in con- sel has no registration number or docu- trol of distress traffic or when it has mentation number, the call sign shall reason to believe that a distress call consist of the name of the vessel and which it has intercepted has not been the name of the licensee as they appear received by any station in a position to on the station application form. render aid. [28 FR 12465, Nov. 22, 1963, as amended at 40 FR 57675, Dec. 11, 1975; 41 FR 44042, Oct. 6, § 2.404 Resumption of operation after 1976; 42 FR 31008, June 17, 1977; 44 FR 62284, distress. Oct. 30, 1979] No station having been notified to cease operation shall resume operation Subpart E—Distress, Disaster, and on frequency or frequencies which may Emergency Communications cause interference until notified by the station issuing the original notice that § 2.401 Distress messages. the station involved will not interfere Each station licensee shall give abso- with distress traffic as it is then being lute priority to radiocommunications routed or until the receipt of a general or signals relating to ships or aircraft notice that the need for handling dis- in distress; shall cease all sending on tress traffic no longer exists. frequencies which will interfere with hearing a radiocommunication or sig- § 2.405 Operation during emergency. nal of distress and except when en- The licensee of any station (except gaged in answering or aiding the ship amateur, standard broadcast, FM or aircraft in distress, shall refrain broadcast, noncommercial educational from sending any radio- FM broadcast, or television broadcast) communications or signals until there may, during a period of emergency in is assurance that no interference will which normal communication facilities be caused with the radio- are disrupted as a result of hurricane, communications or signals relating flood, earthquake, or similar disaster, thereto; and shall assist the ship or air- utilize such station for emergency craft in distress, so far as possible, by communication service in commu- complying with its instructions. nicating in a manner other than that § 2.402 Control of distress traffic. specified in the instrument of authorization: Provided: The control of distress traffic is the (a) That as soon as possible after the responsibility of the mobile station in beginning of such emergency use, no- distress or of the mobile station which, by the application of the provisions of tice be sent to the Commission at § 2.403, has sent the distress call. These Washington, D.C., and to the Engineer stations may, however, delegate the in Charge of the district in which the control of the distress traffic to an- station is located, stating the nature of other station. the emergency and the use to which the station is being put, and § 2.403 Retransmission of distress mes- (b) That the emergency use of the sage. station shall be discontinued as soon as Any station which becomes aware substantially normal communication that a mobile station is in distress may facilities are again available, and transmit the distress message in the (c) That the Commission at Wash- following cases: ington, D.C., and the Engineer in (a) When the station in distress is not Charge shall be notified immediately itself in a position to transmit the when such special use of the station is message. terminated: Provided further, (b) In the case of mobile stations, (d) That in no event shall any station when the master or the person in engage in emergency transmission on charge of the ship, aircraft, or other frequencies other than, or with power

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in excess of, that specified in the in- Subpart H—Prohibition Against strument of authorization or as other- Eavesdropping wise expressly provided by the Com- mission, or by law: And provided fur- § 2.701 Prohibition against use of a ther, radio device for eavesdropping. (e) That any such emergency commu- (a) No person shall use, either di- nication undertaken under this section rectly or indirectly, a device required shall terminate upon order of the Com- to be licensed by section 301 of the mission. Communications Act of 1934, as amended, for the purpose of overhearing or NOTE: Part 73 of this chapter contains provisions governing emergency operation of recording the private conversations of standard, FM, noncommercial educational others unless such use is authorized by FM, and television broadcast stations. Part all of the parties engaging in the con- 97 of this chapter contains such provisions versation. for amateur stations. (b) Paragraph (a) of this section shall [28 FR 13785, Dec. 18, 1963] not apply to operations of any law enforcement officers conducted under § 2.406 National defense; free service. lawful authority. Any common carrier subject to the [31 FR 3400, Mar. 4, 1966] Communications Act may render to any agency of the United States Gov- Subpart I—Marketing of Radio- ernment free service in connection frequency Devices with the preparation for the national defense. Every such carrier rendering SOURCE: 35 FR 7898, May 22, 1970, unless any such free service shall make and otherwise noted. file, in duplicate, with the Commission, on or before the 31st day of July and on § 2.801 Radiofrequency device defined. or before the 31st day of January in As used in this part, a radiofrequency each year, reports covering the periods device is any device which in its oper- of 6 months ending on the 30th day of ation is capable of emitting radio- June and the 31st day of December, re- frequency energy by radiation, conduc- spectively, next prior to said dates. tion, or other means. Radiofrequency These reports shall show the names of devices include, but are not limited to: the agencies to which free service was (a) The various types of radio com- rendered pursuant to this rule, the gen- munication transmitting devices de- eral character of the communications scribed throughout this chapter. handled for each agency, and the (b) The incidental, unintentional and charges in dollars which would have ac- intentional radiators defined in part 15 crued to the carrier for such service of this chapter. rendered to each agency if charges for (c) The industrial, scientific, and all such communications had been col- medical equipment described in part 18 lected at the published tariff rates. of this chapter. (d) Any part or component thereof § 2.407 National defense; emergency which in use emits radiofrequency en- authorization. ergy by radiation, conduction, or other The Federal Communications Com- means. mission may authorize the licensee of any radio station during a period of na- [35 FR 7898, May 22, 1970, as amended at 54 FR 17711, Apr. 25, 1989] tional emergency to operate its facilities upon such frequencies, with such § 2.803 Marketing of radio frequency power and points of communication, devices prior to equipment author- and in such a manner beyond that spec- ization. ified in the station license as may be (a) Except as provided elsewhere in requested by the Army, Navy, or Air this section, no person shall sell or Force. lease, or offer for sale or lease (including advertising for sale or Subparts F–G [Reserved] lease), or import, ship, or distribute for 561

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the purpose of selling or leasing or of- the notice stated in paragraph (c) in- fering for sale or lease, any radio fre- troductory text of this section: quency device unless: (1) In the case of a device subject to Prototype. Not for sale. certification, such device has been au- (2) Except as provided elsewhere in thorized by the Commission in accord- this chapter, devices displayed under ance with the rules in this chapter and the provisions of paragraphs (c) intro- is properly identified and labelled as ductory text, and (c)(1) of this section required by § 2.925 and other relevant may not be activated or operated. sections in this chapter; or (d) Notwithstanding the provisions of (2) In the case of a device that is not paragraph (a) of this section, the offer required to have a grant of equipment for sale solely to business, commercial, authorization issued by the Commis- sion, but which must comply with the industrial, scientific or medical users specified technical standards prior to (but not an offer for sale to other par- use, such device also complies with all ties or to end users located in a resi- applicable administrative (including dential environment) of a radio fre- verification of the equipment or au- quency device that is in the concep- thorization under a Declaration of Con- tual, developmental, design or pre-pro- formity, where required), technical, la- duction stage is permitted prior to belling and identification requirements equipment authorization or, for devices specified in this chapter. not subject to the equipment author- (b) The provisions of paragraph (a) of ization requirements, prior to a deter- this section do not prohibit conditional mination of compliance with the appli- sales contracts between manufacturers cable technical requirements provided and wholesalers or retailers where de- that the prospective buyer is advised in livery is contingent upon compliance writing at the time of the offer for sale with the applicable equipment author- that the equipment is subject to the ization and technical requirements, nor FCC rules and that the equipment will do they prohibit agreements between comply with the appropriate rules be- such parties to produce new products, fore delivery to the buyer or to centers manufactured in accordance with des- of distribution. If a product is mar- ignated specifications. keted in compliance with the provi- (c) Notwithstanding the provisions of sions of this paragraph, the product paragraphs (a), (b), (d) and (f) of this does not need to be labelled with the section, a radio frequency device may statement in paragraph (c) of this sec- be advertised or displayed, e.g., at a tion. trade show or exhibition, prior to equipment authorization or, for devices (e)(1) Notwithstanding the provisions not subject to the equipment author- of paragraph (a) of this section, prior ization requirements, prior to a deter- to equipment authorization or determination of compliance with the appli- mination of compliance with the applicable technical requirements provided cable technical requirements any radio that the advertising contains, and the frequency device may be operated, but display is accompanied by, a con- not marketed, for the following pur- spicuous notice worded as follows: poses and under the following conditions: This device has not been authorized as required by the rules of the Federal Commu- (i) Compliance testing; nications Commission. This device is not, (ii) Demonstrations at a trade show and may not be, offered for sale or lease, or provided the notice contained in para- sold or leased, until authorization is ob- graph (c) of this section is displayed in tained. a conspicuous location on, or imme- (1) If the product being displayed is a diately adjacent to, the device; prototype of a product that has been (iii) Demonstrations at an exhibition properly authorized and the prototype, conducted at a business, commercial, itself, is not authorized due to dif- industrial, scientific, or medical loca- ferences between the prototype and the tion, but excluding locations in a resi- authorized product, the following dis- dential environment, provided the no- claimer notice may be used in lieu of tice contained in paragraphs (c) or (d)

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of this section, as appropriate, is dis- licensee continues to remain respon- played in a conspicuous location on, or sible for complying with all of the op- immediately adjacent to, the device; erating conditions and requirements (iv) Evaluation of product perform- associated with its license. ance and determination of customer (4) Marketing, as used in this section, acceptability, provided such operation includes sale or lease, or offering for takes place at the manufacturer’s fa- sale or lease, including advertising for cilities during developmental, design, sale or lease, or importation, shipment, or pre-production states; or or distribution for the purpose of sell- (v) Evaluation of product performing or leasing or offering for sale or ance and determination of customer lease. acceptability where customer accept- (5) Products operating under the pro- ability of a radio frequency device can- visions of this paragraph (e) shall not not be determined at the manufactur- be recognized to have any vested or er’s facilities because of size or unique recognizable right to continued use of capability of the device, provided the any frequency. Operation is subject to device is operated at a business, com- the conditions that no harmful inter- mercial, industrial, scientific, or med- ference is caused and that any inter- ical user’s site, but not at a residential ference received must be accepted. Op- site, during the development, design or eration shall be required to cease upon pre-production stages. A product oper- notification by a Commission rep- ated under this provision shall be resentative that the device is causing labelled, in a conspicuous location, harmful interference and shall not re- with the notice in paragraph (c) of this sume until the condition causing the section. harmful interference is corrected. (2) For the purpose of paragraphs (f) For radio frequency devices sub- (e)(1)(iv) and (e)(1)(v) of this section, ject to verification and sold solely to the term manufacturer’s facilities in- business, commercial, industrial, sci- cludes the facilities of the party re- entific, and medical users (excluding sponsible for compliance with the regu- products sold to other parties or for op- lations and the manufacturer’s prem- eration in a residential environment), ises, as well as the facilities of other parties responsible for verification of entities working under the authoriza- the devices shall have the option of en- tion of the responsible party in connec- suring compliance with the applicable tion with the development and manu- technical specifications of this chapter facture, but not marketing, of the at each end user’s location after instal- equipment. lation, provided that the purchase or (e)(3) The provisions of paragraphs lease agreement includes a proviso that (e)(1)(i), (e)(1)(ii), (e)(1)(iii), (e)(1)(iv), such a determination of compliance be and (e)(1)(v) of this section do not made and is the responsibility of the eliminate any requirements for station party responsible for verification of the licenses for products that normally re- equipment. If the purchase or lease quire a license to operate, as specified agreement contains this proviso and elsewhere in this chapter. the responsible party has the product (i) Manufacturers should note that measured to ensure compliance at the station licenses are not required for end user’s location, the product does some products, e.g., products operating not need to be labelled with the state- under part 15 of this chapter and cer- ment in paragraph (c) of this section. tain products operating under part 95 (g) The provisions in paragraphs (b) of this chapter. through (f) of this section apply only to (ii) Instead of obtaining a special devices that are designed to comply temporary authorization or an experi- with, and to the best of the responsible mental license, a manufacturer may party’s knowledge will, upon testing, operate its product for demonstration comply with all applicable require- or evaluation purposes under the au- ments in this chapter. The provisions thority of a local FCC licensed service in paragraphs (b) through (f) of this provider. However, the licensee must section do not apply to radio frequency grant permission to the manufacturer devices that could not be authorized or to operate in this manner. Further, the legally operated under the current

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rules. Such devices shall not be oper- Service regulated under part 74 of this ated, advertised, displayed, offered for chapter, provided the conditions in sale or lease, sold or leased, or other- § 74.952 of this chapter for the accept- wise marketed absent a license issued ability of such transmitter for licens- under part 5 of this chapter or a special ing are met. temporary authorization issued by the Commission. [62 FR 10470, Mar. 7, 1997] (h) The provisions in subpart K of § 2.815 External radio frequency this part continue to apply to imported power amplifiers. radio frequency devices. (a) As used in this part, an external [62 FR 10468, Mar. 7, 1997, as amended at 63 radio frequency power amplifier is any FR 31646, June 10, 1998; 63 FR 36597, July 7, device which, (1) when used in conjunc- 1998] tion with a radio transmitter as a sig- § 2.807 Statutory exceptions. nal source is capable of amplification of that signal, and (2) is not an integral As provided by Section 302(c) of the part of a radio transmitter as manufac- Communications Act of 1934, as amend- tured. ed, § 2.803 shall not be applicable to: (a) Carriers transporting radio- (b) After April 27, 1978, no person frequency devices without trading in shall manufacture, sell or lease, offer them. for sale or lease (including advertising (b) Radiofrequency devices manufac- for sale or lease), or import, ship, or tured solely for export. distribute for the purpose of selling or (c) The manufacture, assembly, or in- leasing or offering for sale or lease, any stallation of radiofrequency devices for external radio frequency power ampli- its own use by a public utility engaged fier or amplifier kit capable of oper- in providing electric service: Provided, ation on any frequency or frequencies however, That no such device shall be between 24 and 35 MHz. operated if it causes harmful inter- NOTE: For purposes of this part, the ampli- ference to radio communications. fier will be deemed incapable of operation be- (d) Radiofrequency devices for use by tween 24 and 35 MHz if: the Government of the United States (1) The amplifier has no more than 6 deci- or any agency thereof: Provided, how- bels of gain between 24 and 26 MHz and be- ever, That this exception shall not be tween 28 and 35 MHz. (This gain is deter- applicable to any device after it has mined by the ratio of the input RF driving signal (mean power measurement) to the been disposed of by such Government mean RF output power of the amplifier.); or agency. and [35 FR 7898, May 22, 1970, as amended at 62 (2) The amplifier exhibits no amplification FR 10470, Mar. 7, 1997] (0 decibels of gain) between 26 and 28 MHz. (c) No person shall manufacture, sell § 2.811 Transmitters operated under part 73 of this chapter. or lease, offer for sale or lease (including advertising for sale or lease) Section 2.803(a) through (d) shall not or import, ship or distribute for the be applicable to a transmitter operated purpose of selling or leasing or offering in any of the Radio Broadcast Services for sale or lease, any external radio fre- regulated under part 73 of this chapter, quency power amplifier or amplifier provided the conditions set out in part kit capable of operation on any fre- 73 of this chapter for the acceptability quency or frequencies below 144 MHz of such transmitter for use under li- unless the amplifier has received a censing are met. grant of type acceptance in accordance [62 FR 10470, Mar. 7, 1997] with subpart J of this part and subpart C of part 97 or other relevant parts of § 2.813 Transmitters operated in the this chapter. No more than 10 external Instructional Television Fixed Serv- radio frequency power amplifiers or ice. amplifier kits may be constructed for Section 2.803 (a) through (d) shall not evaluation purposes in preparation for be applicable to a transmitter operated the submission of an application for a in the Instructional Television Fixed grant of type acceptance.

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NOTE: For the purposes of this part, an am- technical standards for radio frequency plifier will be deemed incapable of operation equipment and parts or components below 144 MHz if the amplifier is not capable thereof. The technical standards appli- of being easily modified to increase its amplification characteristics below 120 MHz, cable to individual types of equipment and either: are found in that part of the rules gov- (1) The mean output power of the amplifier erning the service wherein the equip- decreases, as frequency decreases from 144 ment is to be operated. In addition to MHz, to a point where 0 decibels or less gain the technical standards provided, the is exhibited at 120 MHz and below 120 MHz; or rules governing the service may re- (2) The amplifier is not capable of even quire that such equipment be verified short periods of operation below 120 MHz without sustaining permanent damage to its by the manufacturer or importer, be amplification circuitry. authorized under a Declaration of Con- formity, or receive an equipment au- (d) The proscription in paragraph (b) thorization from the Commission by of this section shall not apply to the one of the following procedures: certifi- marketing, as defined in paragraph (b) cation or registration. of this section, by a licensed amateur (b) The following sections describe radio operator to another licensed the verification procedure, the proce- amateur radio operator of an external dure for a Declaration of Conformity, radio frequency power amplifier fab- and the procedures to be followed in ricated in not more than one unit of obtaining certification from the Com- the same model in a calendar year by mission and the conditions attendant that operator provided the amplifier is to such a grant. for the amateur operator’s personal use at his licensed amateur radio station [61 FR 31045, June 19, 1996, as amended at 62 and the requirements of §§ 97.315 and FR 10470, Mar. 7, 1997; 63 FR 36597, July 7, 1998] 97.317 of this chapter are met. (e) The proscription in paragraph (c) § 2.902 Verification. of this section shall not apply in the marketing, as defined in paragraph (c) (a) Verification is a procedure where of this section, by a licensed amateur the manufacturer makes measure- radio operator to another licensed ments or takes the necessary steps to amateur radio operator of an external insure that the equipment complies radio frequency power amplifier if the with the appropriate technical stand- amplifier is for the amateur operator’s ards. Submittal of a sample unit or personal use at his licensed amateur representative data to the Commission radio station and the requirements of demonstrating compliance is not re- §§ 97.315 and 97.317 of this chapter are quired unless specifically requested by met. the Commission pursuant to § 2.957, of this part. [40 FR 1246, Jan. 7, 1975; 40 FR 6474, Feb. 12, (b) Verification attaches to all items 1975, as amended at 43 FR 12687, Mar. 27, 1978; subsequently marketed by the manu- 43 FR 33725, Aug. 1, 1978; 46 FR 18981, Mar. 27, facturer or importer which are iden- 1981; 62 FR 10470, Mar. 7, 1997] tical as defined in § 2.908 to the sample tested and found acceptable by the Subpart J—Equipment manufacturer. Authorization Procedures (Secs. 4, 303, 307, 48 Stat., as amended, 1066, 1082, 1083; 47 U.S.C. 154, 303, 307) SOURCE: 39 FR 5919, Feb. 15, 1974, unless otherwise noted. [46 FR 23249, Apr. 24, 1981]

GENERAL PROVISIONS § 2.906 Declaration of Conformity. (a) A Declaration of Conformity is a § 2.901 Basis and purpose. procedure where the responsible party, (a) In order to carry out its respon- as defined in § 2.909, makes measure- sibilities under the Communications ments or takes other necessary steps Act and the various treaties and inter- to ensure that the equipment complies national regulations, and in order to with the appropriate technical stand- promote efficient use of the radio spec- ards. Submittal of a sample unit or trum, the Commission has developed representative data to the Commission

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demonstrating compliance is not re- procedure, the manufacturer or, in the quired unless specifically requested case of imported equipment, the im- pursuant to § 2.1076. porter. If subsequent to manufacture (b) The Declaration of Conformity at- and importation, the radio frequency taches to all items subsequently mar- equipment is modified by any party not keted by the responsible party which working under the authority of the re- are identical, as defined in § 2.908, to sponsible party, the party performing the sample tested and found acceptable the modification becomes the new re- by the responsible party. sponsible party. [61 FR 31045, June 19, 1996] (c) In the case of equipment subject to authorization under the Declaration § 2.907 Certification. of Conformity procedure: (a) Certification is an equipment au- (1) The manufacturer or, if the equip- thorization issued by the Commission, ment is assembled from individual based on representations and test data component parts and the resulting sys- submitted by the applicant. tem is subject to authorization under a (b) Certification attaches to all units Declaration of Conformity, the assem- subsequently marketed by the grantee bler. which are identical (see § 2.908) to the sample tested except for permissive (2) If the equipment, by itself, is sub- changes or other variations authorized ject to a Declaration of Conformity and by the Commission pursuant to § 2.1043. that equipment is imported, the importer. [39 FR 5919, Feb. 15, 1974, as amended at 39 (3) Retailers or original equipment FR 27802, Aug. 1, 1974; 63 FR 36597, July 7, 1998] manufacturers may enter into an agreement with the responsible party § 2.908 Identical defined. designated in paragraph (c)(1) or (c)(2) As used in this subpart, the term of this section to assume the respon- identical means identical within the sibilities to ensure compliance of variation that can be expected to arise equipment and become the new respon- as a result of quantity production tech- sible party. niques. (4) If the radio frequency equipment (Secs. 4, 303, 307, 48 Stat., as amended, 1066, is modified by any party not working 1082, 1083; 47 U.S.C. 154, 303, 307) under the authority of the responsible [46 FR 23249, Apr. 24, 1981] party, the party performing the modifications, if located within the U.S., or § 2.909 Responsible party. the importer, if the equipment is im- The following parties are responsible ported subsequent to the modifica- for the compliance of radio frequency tions, becomes the new responsible equipment with the applicable stand- party. ards: (d) If, because of modifications per- (a) In the case of equipment which re- formed subsequent to authorization, a quires the issuance by the Commission new party becomes responsible for en- of a grant of equipment authorization, suring that a product complies with the party to whom that grant of au- the technical standards and the new thorization is issued (the grantee) If party does not obtain a new equipment the radio frequency equipment is modi- authorization, the equipment shall be fied by any party other than the grant- labelled, following the specifications in ee and that party is not working under § 2.925(d), with the following: ‘‘This the authorization of the grantee pursu- product has been modified by [insert ant to § 2.929(b), the party performing name, address and telephone number of the modification is responsible for the party performing the modifica- compliance of the product with the applicable administrative and technical tions].’’ provisions in this chapter. [54 FR 17712, Apr. 25, 1989, as amended at 61 (b) In the case of equipment subject FR 31045, June 19, 1996; 62 FR 10470, Mar. 7, to authorization under the verification 1997; 62 FR 41880, Aug. 4, 1997]

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APPLICATION PROCEDURES FOR cluding symbols formed by computer- EQUIPMENT AUTHORIZATIONS generated electronic impulses.

§ 2.911 Written application required. [39 FR 5919, Feb. 15, 1974, as amended at 39 FR 27802, Aug. 1, 1974; 52 FR 5294, Feb. 20, (a) An application for equipment au- 1987. Redesignated at 54 FR 17712, Apr. 25, thorization shall be filed on a form pre- 1989; 63 FR 36598, July 7, 1998] scribed by the Commission. (b) Each application shall be accom- § 2.913 Submittal of equipment authorization application or information panied by all information required by to the Commission. this subpart and by those parts of the rules governing operation of the equip- (a) Unless otherwise directed, appli- ment, and by requisite test data, dia- cations with fees attached for the grams, etc., as specified in this subpart equipment authorization, pursuant to and in those sections of rules § 1.1103 of this chapter, must be submitted following the procedures de- whereunder the equipment is to be op- scribed in § 0.401(b) of this chapter. The erated. address for applications submitted by (c) Each application including mail is: Federal Communications Com- amendments thereto, and related state- mission, Equipment Approval Services, ments of fact required by the Commis- P. O. Box 358315, Pittsburgh, PA 15251– sion, shall be personally signed by the 5315. If the applicant chooses to make applicant if the applicant is an indi- use of an air courier/package delivery vidual; by one of the partners if the ap- service, the following address must applicant is a partnership; by an officer, pear on the outside of the package/en- if the applicant is a corporation; or by velope: Federal Communications Com- a member who is an officer, if the ap- mission, c/o Mellon Bank, Three Mel- plicant is an unincorporated associa- lon Bank Center, 525 William Penn tion: Provided, however, That the appli- Way, 27th floor, Room 153–2713, Pitts- cation may be signed by the applicant’s burgh, Pennsylvania 15259–0001, Atten- authorized representative who shall in- tion: Wholesale Lockbox Supervisor. dicate his title, such as plant manager, (b) Any information or equipment project engineer, etc. samples requested by the Commission (d) Technical test data shall be pursuant to the provisions of subpart J signed by the person who performed or of this part shall, unless otherwise di- supervised the tests. The person sign- rected, be submitted to the Federal ing the test data shall attest to the ac- Communications Commission, Equip- curacy of such data. The Commission ment Authorization Division, 7435 Oak- may require such person to submit a land Mills Road, Columbia, Maryland statement showing that he is qualified 21046. to make or supervise the required (c) Effective October 5, 1999, all appli- measurements. cations for equipment authorization (e) The signatures of the applicant must be filed electronically. The Com- and the person certifying the test data mission will be amenable to consider- shall be made personally by those per- ation of waiver requests from small sons on the original application; copies businesses that find it a hardship to of such documents may be conformed. file applications electronically. Infor- Signatures and certifications need not mation on the procedures for electroni- be made under oath. cally filing equipment authorization (f) Each application shall be accom- applications can be obtained from the panied by the processing fee prescribed address in paragraph (b) of this section. in subpart G of part 1 of this chapter. [61 FR 31045, June 19, 1996, as amended at 62 (g) Signed, as used in this section, FR 10470, Mar. 7, 1997; 63 FR 36598, July 7, means an original handwritten signa- 1998] ture; however, the Office of Engineer- ing and Technology may allow signa- § 2.915 Grant of application. ture by any symbol executed or adopt- (a) The Commission will grant an ap- ed by the applicant with the intent plication for certification if it finds that such symbol be a signature, in- from an examination of the application

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and supporting data, or other matter as set out in subpart B of part 1 of this which it may officially notice, that: chapter. (1) The equipment is capable of complying with pertinent technical stand- § 2.923 Petition for reconsideration; ards of the rule part(s) under which it application for review. is to be operated; and, Persons aggrieved by virtue of an (2) A grant of the application would equipment authorization action may serve the public interest, convenience file with the Commission a petition for and necessity. reconsideration or an application for (b) Grants will be made in writing review. Rules governing the filing of showing the effective date of the grant petitions for reconsideration and appli- and any special condition(s) attaching cations for review are set forth in to the grant. §§ 1.106 and 1.115, respectively, of this (c) Certification shall not attach to chapter. any equipment, nor shall any equipment authorization be deemed effec- § 2.924 Marketing of electrically iden- tive, until the application has been tical equipment having multiple granted. trade names and models or type numbers under the same FCC Iden- [39 FR 5919, Feb. 15, 1974, as amended at 48 tifier. FR 3621, Jan. 26, 1983; 62 FR 10470, Mar. 7, 1997; 63 FR 36598, July 7, 1998] The grantee of an equipment authorization may market devices having dif- § 2.917 Dismissal of application. ferent model/type numbers or trade names without additional authoriza- (a) An application which is not in action from the Commission, provided cordance with the provisions of this that such devices are electrically iden- subpart may be dismissed. tical and the equipment bears an FCC (b) Any application, upon written re- Identifier validated by a grant of quest signed by the applicant or his at- equipment authorization. A device will torney, may be dismissed prior to a de- be considered to be electrically iden- termination granting or denying the tical if no changes are made to the de- authorization requested. vice authorized by the Commission, or (c) If an applicant is requested by the if the changes made to the device Commission to file additional docu- would be treated as class I permissive ments or information and fails to sub- changes within the scope of mit the requested material within 60 § 2.1043(b)(1). Changes to the model days, the application may be dismissed. number or trade name by anyone other [39 FR 5919, Feb. 15, 1974, as amended at 62 than the grantee, or under the author- FR 10470, Mar. 7, 1997] ization of the grantee, shall be performed following the procedures in § 2.919 Denial of application. § 2.933. If the Commission is unable to make the findings specified in § 2.915(a), it [62 FR 10470, Mar. 7, 1997, as amended at 63 FR 36598, July 7, 1998] will deny the application. Notification to the applicant will include a state- § 2.925 Identification of equipment. ment of the reasons for the denial. (a) Each equipment covered in an ap- § 2.921 Hearing on application. plication for equipment authorization shall bear a nameplate or label listing Whenever it is determined that an the following: application for equipment authorization presents substantial factual ques- (1) FCC Identifier consisting of the tions relating to the qualifications of two elements in the exact order speci- the applicant or the equipment (or the fied in § 2.926. The FCC Identifier shall effects of the use thereof), the Commis- be preceded by the term FCC ID in cap- sion may designate the application for ital letters on a single line, and shall hearing. A hearing on an application be of a type size large enough to be leg- for an equipment authorization shall ible without the aid of magnification. be conducted in the same manner as a Example: FCC ID XXX123. XXX—Grantee hearing on a radio station application Code 123—Equipment Product Code

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(2) Any other statements or labeling time period will constitute de-facto ac- requirements imposed by the rules gov- ceptance of the nameplate/label design erning the operation of the specific for that particular equipment. Such de class of equipment, except that such facto acceptance will be limited to the statement(s) of compliance may appear equipment covered by the particular on a separate label at the option of the application and will not be considered applicant/grantee. to establish a precedent for other appli- (3) Equipment subject only to reg- cations. This review deadline applies istration will be identified pursuant to only to the proposed nameplate/label part 68 of this chapter. design, not to the remainder of the ap- (b) Any device subject to more than plication. one equipment authorization procedure (4) For a transceiver, the receiver may be assigned a single FCC Identi- portion of which is subject to fier. However, a single FCC Identifier is verification pursuant to § 15.101 of this required to be assigned to any device chapter, the FCC Identifier required for consisting of two or more sections assembled in a common enclosure, on a the transmitter portion shall be pre- common chassis or circuit board, and ceded by the term FCC ID. with common frequency controlling (c) [Reserved] circuits. Devices to which a single FCC (d) In order to validate the grant of Identifier has been assigned shall be equipment authorization, the name- identified pursuant to paragraph (a) of plate or label shall be permanently af- this section. fixed to the equipment and shall be (1) Separate FCC Identifiers may be readily visible to the purchaser at the assigned to a device consisting of two time of purchase. or more sections assembled in a com- (1) As used here, permanently affixed mon enclosure, but constructed on sep- means that the required nameplate arate sub-units or circuit boards with data is etched, engraved, stamped, in- independent frequency controlling cir- delibly printed, or otherwise perma- cuits. The FCC Identifier assigned to nently marked on a permanently at- any transmitter section shall be pre- tached part of the equipment enclo- ceded by the term TX FCC ID, the FCC sure. Alternatively, the required infor- Identifier assigned to any receiver sec- mation may be permanently marked on tion shall be preceded by the term RX a nameplate of metal, plastic, or other FCC ID and the identifier assigned to material fastened to the equipment en- any remaining section(s) shall be pre- closure by welding, riveting, etc., or ceded by the term FCC ID. with a permanent adhesive. Such a (2) Where telephone equipment sub- nameplate must be able to last the ex- ject to part 68 of this chapter, and a ra- pected lifetime of the equipment in the diofrequency device subject to equip- environment in which the equipment ment authorization requirements are will be operated and must not be read- assembled in a common enclosure, the ily detachable. nameplate/label shall display the FCC Registration Number in the format (2) As used here, readily visible means specified in part 68 and the FCC Identi- that the nameplate or nameplate data fier in the format specified in para- must be visible from the outside of the graph (a) of this section. equipment enclosure. It is preferable (3) Applications filed on or after May that it be visible at all times during 1, 1981, and applications filed earlier re- normal installation or use, but this is questing equipment authorization not a prerequisite for grant of equip- using the single system of identifica- ment authorization. tion pursuant to section (a)(1) will re- (e) A software defined radio may be ceive a review of the identification por- equipped with a means such as a user tion by the Commission’s Laboratory display screen to display the FCC iden- with respect to nameplate/label design tification number normally contained within 30 days after receipt at the Lab- in the nameplate or label. The informa- oratory. Failure by the Laboratory to tion must be readily accessible, and the reject a nameplate design proposed in user manual must describe how to ac- any particular application within this cess the electronic display.

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(f) Where it is shown that a perma- applicant will be notified to make any nently affixed nameplate is not desir- necessary label revisions in order to able or is not feasible, an alternative comply fully with application proce- method of positively identifying the dural rules. equipment may be used if approved by (1) After assignment of a grantee the Commission. The proposed alter- code each grantee will continue to use native method of identification and the the same grantee code for subsequent justification for its use must be in- equipment authorization applications. cluded with the application for equip- In the event the grantee name is ment authorization. changed or ownership is transferred, NOTE: As an example, a device intended to the circumstances shall be reported to be implanted within the body of a test ani- the Commission so that a new grantee mal or person would probably require an al- code can be assigned, if appropriate. ternate method of identification. See §§ 2.934 and 2.935 for additional in- (g) The term FCC ID and the coded formation. identification assigned by the Commis- (2) [Reserved] sion shall be in a size of type large (d) The equipment product code as- enough to be readily legible, consistent signed by the grantee shall consist of a with the dimensions of the equipment series of Arabic numerals, capital let- and its nameplate. However, the type ters or a combination thereof, and may size for the FCC Identifier is not re- include the dash or hyphen (-). The quired to be larger than eight-point. total of Arabic numerals, capital let- [44 FR 17177, Mar. 21, 1979, as amended at 44 ters and dashes or hyphens shall not FR 55574, Sept. 27, 1979; 46 FR 21013, Apr. 8, exceed 14 and shall be one which has 1981; 52 FR 21687, June 9, 1987; 54 FR 1698, not been previously used in conjunc- Jan. 17, 1989; 62 FR 10470, Mar. 7, 1997; 66 FR 50840, Oct. 5, 2001] tion with: (1) The same grantee code, or § 2.926 FCC identifier. (2) An application denied pursuant to (a) A grant of equipment authoriza- § 2.919 of this chapter. tion issued by the Commission will list (e) No FCC Identifier may be used on the validated FCC Identifier consisting equipment to be marketed unless that of the grantee code assigned by the specific identifier has been validated FCC pursuant to paragraph (b) of this by a grant of equipment authorization section, and the equipment product issued by the Commission. This shall code assigned by the grantee pursuant not prohibit placement of an FCC iden- to paragraph (c) of this section. See tifier on a transceiver which includes a § 2.925. verified receiver subject to § 15.101, pro- (b) The grantee code assigned pursu- vided that the transmitter portion of ant to paragraph (c) of this section is such transceiver is covered by a valid assigned permanently to applicants/ grant of type acceptance or certifi- grantees and is valid only for the party cation. The FCC Identifier is uniquely specified as the applicant/grantee in assigned to the grantee and may not be the code assignment(s). placed on the equipment without au- (c) A grantee code will have three thorization by the grantee. See § 2.803 characters consisting of Arabic numer- for conditions applicable to the display als, capital letters, or combination at trade shows of equipment which has thereof. A prospective grantee or his not been granted equipment authoriza- authorized representative may submit a written request to the Commission tion where such grant is required prior for assignment of a grantee code at any to marketing. Labelling of such equip- time. However, it is preferred that ment may include model or type num- grantee codes be requested prior to fil- bers, but shall not include a purported ing applications for equipment author- FCC Identifier. ization. If a grantee code is not re- [44 FR 17179, Mar. 21, 1979, as amended at 46 quested in advance, one will be as- FR 21014, Apr. 8, 1981; 52 FR 21687, June 9, signed at the time an application is re- 1987; 54 FR 1698, Jan. 17, 1989; 62 FR 10471, ceived by the FCC Laboratory and the Mar. 7, 1997]

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CONDITIONS ATTENDANT TO AN NOTE TO PARAGRAPH (b)(1): Any change in EQUIPMENT AUTHORIZATION the FCC Identifier desired as a result of such production or marketing agreement will re- § 2.927 Limitations on grants. quire the filing of a new application for an (a) A grant of equipment authoriza- equipment authorization as specified in § 2.933. tion is valid only when the FCC Identi- fier is permanently affixed on the de- (2) The grantee of the equipment au- vice and remains effective until re- thorization shall continue to be respon- voked or withdrawn, rescinded, surren- sible to the Commission for the equip- dered, or a termination date is other- ment produced pursuant to such an wise established by the Commission. agreement. (b) A grant of an equipment author- (c) Whenever there is a change in the ization signifies that the Commission name and/or address of the grantee of has determined that the equipment has an equipment authorization, written been shown to be capable of compliance notice of such change(s) shall be sub- with the applicable technical standards mitted to the Commission within 30 if no unauthorized change is made in days after the grantee starts using the the equipment and if the equipment is properly maintained and operated. The new name and/or address. issuance of a grant of equipment au- (d) In the case of transactions affect- thorization shall not be construed as a ing the grantee, such as a transfer of finding by the Commission with re- control or sale to another company, spect to matters not encompassed by mergers, or transfer of manufacturing the Commission’s rules, especially with rights, notice must be given to the respect to compliance with 18 U.S.C. Commission in writing within 60 days 2512. after the consummation of the trans- (c) No person shall, in any adver- action. Depending on the cir- tising matter, brochure, etc., use or cumstances in each case, the Commis- make reference to an equipment au- sion may require new applications for thorization in a deceptive or mis- equipment authorization. In reaching a leading manner or convey the impres- decision the Commission will consider sion that such equipment authoriza- whether the acquiring party can ade- tion reflects more than a Commission quately ensure and accept responsi- determination that the device or prod- bility for continued compliance with uct has been shown to be capable of the regulations. In general, new appli- compliance with the applicable tech- cations for each device will not be re- nical standards of the Commission’s quired. A single application for equip- rules. ment authorization may be filed cov- [39 FR 5919, Feb. 15, 1974, as amended at 44 ering all the affected equipment. FR 29066, May 18, 1979; 62 FR 10471, Mar. 7, 1997] [63 FR 36598, July 7, 1998]

§ 2.929 Changes in name, address, own- § 2.931 Responsibility of the grantee. ership or control of grantee. In accepting a grant of an equipment (a) An equipment authorization authorization, the grantee warrants issued by the Commission may not be that each unit of equipment marketed assigned, exchanged or in any other under such grant and bearing the iden- way transferred to a second party, ex- tification specified in the grant will cept as provided in this section. conform to the unit that was measured (b) The grantee of an equipment au- and that the data (design and rated thorization may license or otherwise operational characteristics) filed with authorize a second party to manufac- the application for certification con- ture the equipment covered by the tinues to be representative of the grant of the equipment authorization equipment being produced under such provided: grant within the variation that can be (1) The equipment manufactured by expected due to quantity production such second party bears the FCC Iden- and testing on a statistical basis. tifier as is set out in the grant of the equipment authorization. [63 FR 36598, July 7, 1998]

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§ 2.932 Modification of equipment. to be a change in identification and does not require additional authoriza- (a) A new application for an equip- tion from the Commission. ment authorization shall be filed when- (b) An application filed pursuant to ever there is a change in the design, paragraph (a) of this section where no circuitry or construction of an equip- change in design, circuitry or construc- ment or device for which an equipment tion is involved, need not be accom- authorization has been issued, except panied by a resubmission of equipment as provided in paragraphs (b) through or measurement or test data custom- (d) of this section. arily required with a new application, (b) Permissive changes may be made unless specifically requested by the in certificated equipment, and equip- Commission. In lieu thereof, the appli- ment that was authorized under the cant shall attach a statement setting former type acceptance procedure, pur- out: suant to § 2.1043. (1) The original identification used (c) Permissive changes may be made on the equipment prior to the change in equipment that was authorized in identification. under the former notification proce- (2) The date of the original grant of dure without submittal of information the equipment authorization. to the Commission, unless the equip- (3) How the equipment bearing the ment is currently subject to authoriza- modified identification differs from the tion under the certification procedure. original equipment. However, the grantee shall submit in- (4) Whether the original test results formation documenting continued continue to be representative of and compliance with the pertinent require- applicable to the equipment bearing ments upon request. the changed identification. (d) All requests for permissive (5) The photographs required by changes submitted to the Commission § 2.1033(b)(7) or § 2.1033(c)(12) showing must be accompanied by the anti-drug the exterior appearance of the equip- abuse certification required under ment, including the operating controls § 1.2002 of this chapter. available to the user and the identi- (e) Manufacturers must take steps to fication label. Photographs of the con- ensure that only software that has struction, the component placement on been approved with a software defined the chassis, and the chassis assembly radio can be loaded into such a radio. are not required to be submitted unless The software must not allow the user specifically requested by the Commis- to operate the transmitter with fre- sion. quencies, output power, modulation (c) If the change in the FCC Identifier types or other parameters outside of also involves a change in design or cir- those that were approved. Manufactur- cuitry which falls outside the purview ers may use authentication codes or of a permissive change described in any other means to meet these require- § 2.1043, a complete application shall be ments, and must describe the methods filed pursuant to § 2.911. in their application for equipment authorization. [63 FR 36598, July 7, 1998] [63 FR 36598, July 7, 1998, as amended at 66 § 2.936 FCC inspection. FR 50840, Oct. 5, 2001] Upon reasonable request, each re- § 2.933 Change in identification of sponsible party shall submit the fol- equipment. lowing to the Commission or shall (a) A new application for equipment make the following available for in- authorization shall be filed whenever spection: there is a change in the FCC Identifier (a) The records required by §§ 2.938, for the equipment with or without a 2.955, and 2.1075. change in design, circuitry or construc- (b) A sample unit of the equipment tion. However, a change in the model/ covered under an authorization. type number or trade name performed (c) The manufacturing plant and fa- in accordance with the provisions in cilities. § 2.924 of this chapter is not considered [62 FR 10471, Mar. 7, 1997]

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§ 2.937 Equipment defect and/or design clusion of an investigation or a pro- change. ceeding if the responsible party (or, When a complaint is filed with the under paragraph (b) of this section, the Commission concerning the failure of manufacturer) is officially notified equipment subject to this chapter to that an investigation or any other ad- comply with pertinent requirements of ministrative proceeding involving its the Commission’s rules, and the Com- equipment has been instituted. mission determines that the complaint (d) If radio frequency equipment is modified by any party other than the is justified and arises out of an equip- original responsible party, and that ment fault attributable to the respon- party is not working under the author- sible party, the Commission may re- ization of the original responsible quire the responsible party to inves- party, the party performing the modi- tigate such complaint and report the fications is not required to obtain the results of such investigation to the original design drawings specified in Commission. The report shall also indi- paragraph (a)(1) of this section. How- cate what action if any has been taken ever, the party performing the modi- or is proposed to be taken by the re- fications must maintain records show- sponsible party to correct the defect, ing the changes made to the equipment both in terms of future production and along with the records required in with reference to articles in the posses- paragraphs (a)(3) of this section. A new sion of users, sellers and distributors. equipment authorization may also be [61 FR 31046, June 19, 1996] required. See, for example, §§ 2.909, 2.924, 2.933, and 2.1043. § 2.938 Retention of records. [62 FR 10471, Mar. 7, 1997, as amended at 63 (a) For each equipment subject to the FR 36599, July 7, 1998] Commission’s equipment authorization standards, the responsible party shall § 2.939 Revocation or withdrawal of maintain the records listed as follows: equipment authorization. (1) A record of the original design (a) The Commission may revoke any drawings and specifications and all equipment authorization: changes that have been made that may (1) For false statements or represen- affect compliance with the standards tations made either in the application and the requirements of § 2.931. or in materials or response submitted (2) A record of the procedures used in connection therewith or in records for production inspection and testing required to be kept by § 2.938. to ensure conformance with the stand- (2) If upon subsequent inspection or ards and the requirements of § 2.931. operation it is determined that the (3) A record of the test results that equipment does not conform to the per- demonstrate compliance with the ap- tinent technical requirements or to the propriate regulations in this chapter. representations made in the original (b) The provisions of paragraph (a) of application. this section shall also apply to a manu- (3) If it is determined that changes facturer of equipment produced under have been made in the equipment other the provisions of § 2.929(b). The reten- than those authorized by the rules or tion of the records by the manufac- otherwise expressly authorized by the turer under these circumstances shall Commission. satisfy the grantee’s responsibility (4) Because of conditions coming to under paragraph (a) of this section. the attention of the Commission which (c) The records listed in paragraph (a) would warrant it in refusing to grant of this section shall be retained for one an original application. year for equipment subject to author- (b) Revocation of an equipment au- ization under the certification proce- thorization shall be made in the same dure or former type acceptance proce- manner as revocation of radio station dure, or for two years for equipment licenses. subject to authorization under any (c) The Commission may withdraw other procedure, after the manufacture any equipment authorization in the of said equipment has been perma- event of changes in its technical stand- nently discontinued, or until the con- ards. The procedure to be followed will

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be set forth in the order promulgating sion. Failure to comply with such a re- such new technical standards (after ap- quest within 14 days or such additional propriate rulemaking proceedings) and time as the Commission may allow will provide a suitable amortization pe- may be cause for denial of authoriza- riod for equipment in hands of users tion, forfeiture pursuant to § 1.80 of this and in the manufacturing process. chapter, or other administrative sanc- tions. [39 FR 5919, Feb. 15, 1974, as amended at 51 FR 39535, Oct. 29, 1986] [66 FR 50840, Oct. 5, 2001]

§ 2.941 Availability of information re- § 2.945 Sampling tests of equipment lating to grants. compliance. (a) Grants of equipment authoriza- The Commission will, from time to tion, other than for receivers and time, request the responsible party to equipment authorized for use under submit equipment subject to this chap- parts 15 or 18 of this chapter, will be ter to determine the extent to which publicly announced in a timely manner subsequent production of such equip- by the Commission. Information about ment continues to comply with the the authorization of a device using a data filed by the applicant (or on file particular FCC Identifier may be ob- with the responsible party for equip- tained by contacting the Commission’s ment subject to notification or a Dec- Office of Engineering and Technology laration of Conformity). Shipping costs Laboratory. to the Commission’s laboratory and re- (b) Information relating to equip- turn shall be borne by the responsible ment authorizations, such as data sub- party. mitted by the applicant in connection with an authorization application, lab- [61 FR 31046, June 19, 1996] oratory tests of the device, etc., shall be available in accordance with §§ 0.441 § 2.946 Penalty for failure to provide through 0.470 of this chapter. test samples and data. (a) Any responsible party, as defined [62 FR 10472, Mar. 7, 1997] in § 2.909, or any party who markets § 2.943 Submission of equipment for equipment subject to the provisions of testing. this chapter, shall provide test sample(s) or data upon request by the Com- (a) The Commission may require an mission. Failure to comply with such a applicant to submit one or more sam- request within 14 days may be cause for ple units for measurement at the Com- forfeiture, pursuant to § 1.80 of this mission’s laboratory. chapter, or other administrative sanc- (b) In the event the applicant be- tions such as suspending action on any lieves that shipment of the sample to applications for equipment authoriza- the Commission’s laboratory is imprac- tion submitted by such party while the tical because of the size or weight of matter is being resolved. the equipment, or the power requirement, or for any other reason, the ap- (b) The Commission may consider ex- plicant may submit a written expla- tensions of time upon submission of a nation why such shipment is imprac- showing of good cause. tical and should not be required. [63 FR 36599, July 7, 1998] [39 FR 5919, Feb. 15, 1974, as amended at 48 FR 3621, Jan. 26, 1983; 63 FR 36599, July 7, § 2.947 Measurement procedure. 1998] (a) The Commission will accept data which have been measured in accord- § 2.944 Submission of radio software. ance with the following standards or The grantee or other party respon- measurement procedures: sible for compliance of a software de- (1) Those set forth in bulletins or re- fined radio, or the applicant for author- ports prepared by the Commission’s Of- ization of a software defined radio shall fice of Engineering and Technology. submit a copy of the software that con- These will be issued as required, and trols the radio frequency operating pa- specified in the particular part of the rameters upon request by the Commis- rules where applicable.

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(2) Those acceptable to the Commis- upon the description of the measure- sion and published by national engi- ment facilities retained by or placed on neering societies such as the Electronic file with the Commission by that lab- Industries Association, the Institute of oratory. In this situation, the party re- Electrical and Electronic Engineers, sponsible for verification of the equip- Inc., and the American National Stand- ment is not required to retain a dupli- ards Institute. cate copy of the description of the (3) Any measurement procedure ac- measurement facilities. ceptable to the Commission may be (ii) If the equipment is verified based used to prepare data demonstrating on measurements performed at the in- compliance with the requirements of stallation site of the equipment, no this chapter. specific site calibration data is re- (b) Information submitted pursuant quired. It is acceptable to retain the to paragraph (a) of this section shall description of the measurement facili- completely identify the specific stand- ties at the site at which the measure- ard or measurement procedure used. ments were performed. (c) In the case of equipment requiring (2) If the equipment is to be author- measurement procedures not specified ized by the Commission under the cer- in the references set forth in para- tification procedure, the description of graphs (a) (1) and (2) of this section, the the measurement facilities shall be applicant shall submit a detailed de- filed with the Commission’s Labora- scription of the measurement proce- tory in Columbia, Maryland. The data dures actually used. describing the measurement facilities (d) A listing of the test equipment need only be filed once but must be up- used shall be submitted. dated as changes are made to the meas- (e) If deemed necessary, the Commis- urement facilities or as otherwise de- sion may require additional informa- scribed in this section. At least every tion concerning the measurement pro- three years, the organization respon- cedures employed in obtaining the data sible for filing the data with the Com- submitted for equipment authorization mission shall certify that the data on purposes. file is current. [42 FR 44987, Sept. 8, 1977, as amended at 44 (3) If the equipment is to be author- FR 39181, July 5, 1979; 51 FR 12616, Apr. 14, ized under a Declaration of Con- 1986] formity, the description of the measurement facilities shall be retained by § 2.948 Description of measurement fa- the party performing the measure- cilities. ments. (a) Each party making measurements (b) The description shall contain the of equipment that is subject to an following information: equipment authorization under part 15 (1) Location of the test site. or part 18 of this chapter, regardless of (2) Physical description of the test whether the measurements are filed site accompanied by photographs of with the Commission or kept on file by size A4 (21 cm × 29.7 cm) or 8×10 inches the party responsible for compliance of (20.3 cm × 25.4 cm). Smaller photo- equipment marketed within the U.S. or graphs may be used if they clearly its possessions, shall compile a descrip- show the details of the test site and are tion of the measurement facilities em- mounted on full size sheets of paper. ployed. (3) A drawing showing the dimensions (1) If the measured equipment is sub- of the site, physical layout of all sup- ject to the verification procedure, the porting structures, and all structures description of the measurement facili- within 5 times the distance between ties shall be retained by the party re- the measuring antenna and the device sponsible for verification of the equip- being measured. ment. (4) Description of structures used to (i) If the equipment is verified support the device being measured and through measurements performed by the test instrumentation. an independent laboratory, it is accept- (5) List of measuring equipment used. able for the party responsible for (6) Information concerning the cali- verification of the equipment to rely bration of the measuring equipment,

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i.e., the date the equipment was last (iii) This requirement does not apply calibrated and how often the equip- to equipment that is not measured on ment is calibrated. an open field test site. (7) If desired, a statement as to (9) A description of the types of whether the test site is available to do equipment intended to be measured or measurement services for the public on other information regarding the types a fee basis. of measurements that would be per- (8) A plot of site attenuation data. formed at the test facility. (i) For a measurement facility that (c) The Commission will publish a will be used for testing radiated emis- list of those parties who have filed the sions from a digital device on or after information required by this section, May 1, 1994, or for testing intentional provided they indicate that they wish and other unintentional radiators au- to perform measurement services for thorized under part 15 of the rules on or the public on a fee basis. However, it after June 1, 1995, the site attenuation should be noted that the Commission data shall be taken pursuant to the does not endorse or approve any facil- procedures contained in Sections 5.4.6 ity on this list. through 5.5 of the following procedure: (d) If the equipment is to be author- American National Standards Institute ized under a Declaration of Con- (ANSI) C63.4–1992, entitled ‘‘Methods of formity, the party performing the measurements shall be accredited for Measurement of Radio-Noise Emissions performing such measurements by an from Low-Voltage Electrical and Elec- authorized accreditation body based on tronic Equipment in the Range of 9 the International Organization for kHz to 40 GHz,’’ published by the Insti- Standardization/International Electro- tute of Electrical and Electronics Engi- technical Commission (ISO/IEC) Guide neers, Inc. on July 17, 1992 as document 25, ‘‘General Requirements for the number SH15180. This incorporation by Competence of Calibration and Testing reference was approved by the Director Laboratories.’’ Accreditation bodies of the Federal Register in accordance must be approved by the FCC’s Office with 5 U.S.C. 552(a) and 1 CFR part 51. of Engineering and Technology, as in- Copies of ANSI C63.4–1992 may be ob- dicated in § 0.241 of this chapter, to per- tained from: IEEE Standards Depart- form such accreditation based on ISO/ ment, 455 Hoes Lane, P.O. Box 1331, IEC 58, ‘‘Calibration and Testing Lab- Piscataway, NJ 08855–1331, telephone 1– oratory Accreditation Systems—Gen- 800–678–4333. Copies of ANSI C63.4–1992 eral Requirements for Operation and may be inspected at the following loca- Recognition.’’ The frequency for re- tions: validation of the test site and the in- (A) Federal Communications Com- formation required to be filed or re- mission, 445 12th Street, SW., Office of tained by the testing party shall com- Engineering and Technology, Wash- ply with the requirements established ington, DC 20554, by the accrediting organization. (B) Federal Communications Com- (1) In addition to meeting the above mission Laboratory, 7435 Oakland Mills requirements, the accreditations of Road, Columbia, MD 21046, or laboratories located outside of the (C) Office of the Federal Register, 800 United States or its possessions will be North Capitol Street, NW., suite 700, acceptable only under one of the fol- Washington, DC. lowing conditions: (ii) For a measurement facility that (i) If there is a mutual recognition will be used for testing radiated emis- agreement between that country and sions from a digital device prior to May the United States and that laboratory 1, 1994, or from intentional and other is covered by the agreement; unintentional radiators authorized (ii) If there is an agreement between under part 15 prior to June 1, 1995, or accrediting bodies that permits similar from devices authorized under part 18 accreditation of U.S. facilities to per- of the rules, the site attenuation data form testing for products marketed in shall be taken pursuant to either ANSI that country; or C63.4–1992, Sections 5.4.6 through 5.5, or (iii) If the country already accepts FCC/OET Bulletin 55. the accreditation of U.S. laboratories.

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(2) Organizations outside of the § 2.952 Limitation on verification. United States that seek to become (a) Verification signifies that the accreditors may seek agreements with manufacturer or importer has deter- approved United States accrediting mined that the equipment has been bodies to mutually recognize the ac- shown to be capable of compliance with creditation of laboratories. The Com- the applicable technical standards if no mission will review such agreements unauthorized change is made in the and will consult with the Office of the equipment and if the equipment is United States Trade Representative properly maintained and operated. and other Executive Branch agencies Compliance with these standards shall before accepting them for purposes of not be construed to be a finding by the the DoC procedure in order to ensure manufacturer or importer with respect that the respective foreign countries to matters not encompassed by the accept United States accreditations Commission’s rules. and do not impose additional barriers (b) Verification of the equipment by upon United States companies. Accred- the manufacturer or importer is effec- iting bodies located outside of the tive until a termination date is other- United States will only be permitted to wise established by the Commission. accredit laboratories within their own (c) No person shall, in any adver- country for DoC testing. tising matter, brochure, etc., use or (3) To facilitate use of the DoC proce- make reference to a verification in a dure, the FCC will accept a laboratory deceptive or misleading manner or con- that submits documentation to OET’s vey the impression that such Equipment Authorization Division verification reflects more than a deter- stating that it has filed an application mination by the manufacturer or im- for accreditation with an approved lab- porter that the device or product has oratory accreditation body and pro- been shown to be capable of compliance vides evidence that it meets all aspects with the applicable technical standards of ISO/IEC Guide 25. Such labs will be of the Commission’s rules. provisionally accepted by the FCC for a period of one year (until August 19, § 2.953 Responsibility for compliance. 1997) or until the application for ac- (a) In verifying compliance, the re- creditation has been acted upon, sponsible party, as defined in § 2.909 whichever is sooner. A laboratory that warrants that each unit of equipment is denied accreditation by an approved marketed under the verification proce- accreditation body will lose its provi- dure will be identical to the unit tested sional acceptance. However, any DoCs and found acceptable with the stand- that were issued will remain valid. ards and that the records maintained [54 FR 17712, Apr. 25, 1989, as amended at 57 by the responsible party continue to FR 24990, June 12, 1992; 58 FR 37430, July 12, reflect the equipment being produced 1993; 58 FR 44893, Aug. 25, 1993; 61 FR 31046, under such verification within the vari- June 19, 1996; 62 FR 41880, Aug. 4, 1997; 63 FR ation that can be expected due to quan- 36599, July 7, 1998; 65 FR 58466, Sept. 29, 2000] tity production and testing on a statistical basis. VERIFICATION (b) The importer of equipment subject to verification may upon receiving AUTHORITY: Sections 2.951 through 2.957 are a written statement from the manufac- issued under secs. 4, 303, 307, 48 Stat., as turer that the equipment complies amended, 1066, 1082, 1083; 47 U.S.C. 154, 303, with the appropriate technical stand- 307. ards rely on the manufacturer or inde- SOURCE: Sections 2.951 through 2.957 appear pendent testing agency to verify com- at 46 FR 23249, Apr. 24, 1981, unless otherwise pliance. The test records required by noted. § 2.955 however should be in the English language and made available to the § 2.951 Cross reference. Commission upon a reasonable request, The provisions of § 2.901, et seq., shall in accordance with § 2.956. apply to equipment subject to (c) In the case of transfer of control verification. of equipment, as in the case of sale or

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merger of the grantee, the new manu- formation regarding the test site, the facturer or importer shall bear the re- test equipment or the qualifications of sponsibility of continued compliance of the company or individual performing the equipment. the verification tests; (d) Verified equipment shall be (iii) Contain a description of how the reverified if any modification or device was actually tested, identifying change adversely affects the emanation the measurement procedure and test characteristics of the modified equip- equipment that was used; ment. The party designated in § 2.909 (iv) Contain a description of the bears responsibility for continued com- equipment under test (EUT) and sup- pliance of subsequently produced port equipment connected to, or in- equipment. stalled within, the EUT; (v) Identify the EUT and support [39 FR 5919, Feb. 15, 1974, as amended at 62 FR 10472, Mar. 7, 1997] equipment by trade name and model number and, if appropriate, by FCC § 2.954 Identification. Identifier and serial number; Devices subject only to verification (vi) Indicate the types and lengths of shall be uniquely identified by the per- connecting cables used and how they son responsible for marketing or im- were arranged or moved during testing; porting the equipment within the (vii) Contain at least two drawings or United States. However, the identifica- photographs showing the test set-up tion shall not be of a format which for the highest line conducted emission could be confused with the FCC Identi- and showing the test set-up for the fier required on certified, notified or highest radiated emission. These draw- type accepted equipment. The importer ings or photographs must show enough or manufacturer shall maintain ade- detail to confirm other information quate identification records to facili- contained in the test report. Any pho- tate positive identification for each tographs used must be focused origi- verified device. nals without glare or dark spots and must clearly show the test configura- [62 FR 10472, Mar. 7, 1997] tion used; (viii) List all modifications, if any, § 2.955 Retention of records. made to the EUT by the testing com- (a) For each equipment subject to pany or individual to achieve compli- verification, the responsible party, as ance with the regulations in this chap- shown in § 2.909 shall maintain the ter; records listed as follows: (ix) Include all of the data required (1) A record of the original design to show compliance with the appro- drawings and specifications and all priate regulations in this chapter; and changes that have been made that may (x) Contain, on the test report, the affect compliance with the require- signature of the individual responsible ments of § 2.953. for testing the product along with the (2) A record of the procedures used name and signature of an official of the for production inspection and testing responsible party, as designated in (if tests were performed) to insure the § 2.909. conformance required by § 2.953. (4) For equipment subject to the pro- (Statistical production line emission visions in part 15 of this chapter, the testing is not required.) records shall indicate if the equipment (3) A record of the measurements was verified pursuant to the transition made on an appropriate test site that provisions contained in § 15.37 of this demonstrates compliance with the ap- chapter. plicable regulations in this chapter. (b) The records listed in paragraph The record shall: (a) of this section shall be retained for (i) Indicate the actual date all test- two years after the manufacture of said ing was performed; equipment item has been permanently (ii) State the name of the test labora- discontinued, or until the conclusion of tory, company, or individual per- an investigation or a proceeding if the forming the verification testing. The manufacturer or importer is officially Commission may request additional in- notified that an investigation or any

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other administrative proceeding in- (NVCASE) program, or other recog- volving his equipment has been insti- nized programs based on ISO/IEC Guide tuted. 65, to comply with the Commission’s qualification criteria for TCBs. NIST [54 FR 17713, Apr. 25, 1989, as amended at 62 FR 10472, Mar. 7, 1997] may, in accordance with its procedures, allow other appropriately quali- § 2.956 FCC inspection and submission fied accrediting bodies to accredit of equipment for testing. TCBs and testing laboratories. TCBs shall comply with the requirements in (a) Each responsible party shall upon § 2.962 of this part. receipt of reasonable request: (c) In accordance with the terms of (1) Submit to the Commission the an effective bilateral or multilateral records required by § 2.955. mutual recognition agreement or ar- (2) Submit one or more sample units rangement (MRA) to which the United for measurements at the Commission’s States is a party, bodies outside the Laboratory. United States shall be permitted to au- (i) Shipping costs to the Commis- thorize equipment in lieu of the Com- sion’s Laboratory and return shall be mission. A body in an MRA partner borne by the responsible party. economy may authorize equipment to (ii) In the event the responsible party U.S. requirements only if that econ- believes that shipment of the sample to omy permits bodies in the United the Commission’s Laboratory is im- States to authorize equipment to its practical because of the size or weight requirements. The authority desig- of the equipment, or the power require- nating these telecommunication cer- ment, or for any other reason, the re- tification bodies shall meet the fol- sponsible party may submit a written lowing criteria. explanation why such shipment is im- (1) The organization accrediting the practical and should not be required. prospective telecommunication certifi- (b) Requests for the submission of the cation body shall be capable of meeting records in § 2.955 or for the submission the requirements and conditions of of sample units are covered under the ISO/IEC Guide 61. provisions of § 2.946. (2) The organization assessing the [62 FR 10472, Mar. 7, 1997] telecommunication certification body shall appoint a team of qualified ex- § 2.960 Designation of Telecommuni- perts to perform the assessment cov- cation Certification Bodies (TCBs). ering all of the elements within the (a) The Commission may designate scope of accreditation. For assessment Telecommunication Certification Bod- of telecommunications equipment, the ies (TCBs) to approve equipment as re- areas of expertise to be used during the quired under this part. Certification of assessment shall include, but not be equipment by a TCB shall be based on limited to, electromagnetic compat- an application with all the information ibility and telecommunications equip- specified in this part. The TCB shall ment (wired and wireless). process the application to determine [64 FR 4995, Feb. 2, 1999] whether the product meets the Com- mission’s requirements and shall issue § 2.962 Requirements for Tele- a written grant of equipment author- communication Certification Bod- ization. The grant shall identify the ies. TCB and the source of authority for (a) Telecommunication certification issuing it. bodies (TCBs) designated by the Com- (b) The Federal Communications mission, or designated by another au- Commission shall designate TCBs in thority pursuant to an effective bilat- the United States to approve equip- eral or multilateral mutual recogni- ment subject to certification under the tion agreement or arrangement to Commission’s rules. TCBs shall be ac- which the United States is a party, credited by the National Institute of shall comply with the following re- Standards and Technology (NIST) quirements. under its National Voluntary Con- (b) Certification methodology. (1) The formity Assessment Evaluation certification system shall be based on

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type testing as identified in sub-clause (6) The Commission will provide pub- 1.2(a) of ISO/IEC Guide 65. lic notice of the specific methods that (2) Certification shall normally be will be used to accredit TCBs, con- based on testing no more than one un- sistent with these qualification cri- modified representative sample of each teria. product type for which certification is (d) Sub-contractors. (1) In accordance sought. Additional samples may be re- with the provisions of sub-clause 4.4 of quested if clearly warranted, such as ISO/IEC Guide 65, the testing of a prod- when certain tests are likely to render uct, or a portion thereof, may be per- a sample inoperative. formed by a sub-contractor of a des- (c) Criteria for Designation. (1) To be ignated TCB, provided the laboratory designated as a TCB under this section, has been assessed by the TCB as com- an entity shall, by means of accredita- petent and in compliance with the ap- tion, meet all the appropriate speci- plicable provisions of ISO/IEC Guide 65 fications in ISO/IEC Guide 65 for the and other relevant standards and scope of equipment it will certify. The guides. accreditation shall specify the group of (2) When a subcontractor is used, the equipment to be certified and the ap- TCB shall be responsible for the test plicable regulations for product evalua- results and shall maintain appropriate tion. oversight of the subcontractor to ensure reliability of the test results. (2) The TCB shall demonstrate expert Such oversight shall include periodic knowledge of the regulations for each audits of products that have been test- product with respect to which the body ed. seeks designation. Such expertise shall (e) Designation of TCBs. (1) The Com- include familiarity with all applicable mission will designate as a TCB any or- technical regulations, administrative ganization that meets the qualification provisions or requirements, as well as criteria and is accredited by NIST or the policies and procedures used in the its recognized accreditor. application thereof. (2) The Commission will withdraw (3) The TCB shall have the technical the designation of a TCB if the TCB’s expertise and capability to test the accreditation by NIST or its recognized equipment it will certify and shall also accreditor is withdrawn, if the Com- be accredited in accordance with ISO/ mission determines there is just cause IEC Guide 25 to demonstrate it is com- for withdrawing the designation, or if petent to perform such tests. the TCB requests that it no longer hold (4) The TCB shall demonstrate an the designation. The Commission will ability to recognize situations where provide a TCB with 30 days notice of its interpretations of the regulations or intention to withdraw the designation test procedures may be necessary. The and provide the TCB with an oppor- appropriate key certification and lab- tunity to respond. oratory personnel shall demonstrate a (3) A list of designated TCBs will be knowledge of how to obtain current published by the Commission. and correct technical regulation inter- (f) Scope of responsibility. (1) TCBs pretations. The competence of the tele- shall certify equipment in accordance communication certification body with the Commission’s rules and poli- shall be demonstrated by assessment. cies. The general competence, efficiency, ex- (2) A TCB shall accept test data from perience, familiarity with technical any source, subject to the require- regulations and products included in ments in ISO/IEC Guide 65, and shall those technical regulations, as well as not unnecessarily repeat tests. compliance with applicable parts of the (3) TCBs may establish and assess ISO/IEC Guides 25 and 65, shall be fees for processing certification appli- taken into consideration. cations and other tasks as required by (5) A TCB shall participate in any the Commission. consultative activities, identified by (4) A TCB may rescind a grant of cer- the Commission or NIST, to facilitate tification within 30 days of grant for a common understanding and interpre- administrative errors. After that time, tation of applicable regulations. a grant can only be revoked by the

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Commission through the procedures in Rules. If the application file is not pro- § 2.939 of this part. A TCB shall notify vided within 30 calendar days, a state- both the applicant and the Commission ment shall be provided to the Commis- when a grant is rescinded. sion as to why it cannot be provided. (5) A TCB may not: (h) In case of a dispute with respect (i) Grant a waiver of the rules, or cer- to designation or recognition of a TCB tify equipment for which the Commis- and the testing or certification of prod- sion rules or requirements do not exist ucts by a TCB, the Commission will be or for which the application of the the final arbiter. Manufacturers and rules or requirements is unclear. designated TCBs will be afforded at (ii) Take enforcement actions; or least 30 days to comment before a deci- (iii) Authorize a transfer of control of sion is reached. In the case of a TCB a grantee. designated or recognized, or a product (6) All TCB actions are subject to certified pursuant to an effective bilat- Commission review. eral or multilateral mutual recogni- (g) Post-certification requirements. (1) A tion agreement or arrangement (MRA) TCB shall supply an electronic copy of to which the United States is a party, each approved application form and the Commission may limit or withdraw grant of certification to the Commis- its recognition of a TCB designated by sion. an MRA party and revoke the certifi- (2) In accordance with ISO/IEC Guide cation of products using testing or cer- 65, a TCB is required to conduct appro- tification provided by such a TCB. The priate post-market surveillance activi- Commission shall consult with the Of- ties. These activities shall be based on fice of the United States Trade Rep- type testing a few samples of the total number of product types which the cer- resentative (USTR), as necessary, con- tification body has certified. Other cerning any disputes arising under an types of surveillance activities of a MRA for compliance with the Tele- product that has been certified are per- communications Trade Act of 1988 mitted, provided they are no more on- (Section 1371–1382 of the Omnibus erous than testing type. The Commis- Trade and Competitiveness Act of 1988). sion may at any time request a list of [64 FR 4995, Feb. 2, 1999, as amended at 66 FR products certified by the certification 27601, May 18, 2001] body and may request and receive copies of product evaluation reports. The CERTIFICATION Commission may also request that a TCB perform post-market surveillance, § 2.1031 Cross reference. under Commission guidelines, of a spe- The general provisions of this sub- cific product it has certified. part § 2.901 et seq. shall apply to appli- (3) If during post market surveillance cations for and grants of certification. of a certified product, a certification body determines that a product fails to § 2.1033 Application for certification. comply with the applicable technical (a) An application for certification regulations, the certification body shall be filed on FCC Form 731 with all shall immediately notify the grantee questions answered. Items that do not and the Commission. A follow-up re- apply shall be so noted. port shall also be provided within thir- ty days of the action taken by the (b) Applications for equipment oper- grantee to correct the situation. ating under Parts 11, 15 and 18 of the (4) Where concerns arise, the TCB rules shall be accompanied by a tech- shall provide a copy of the application nical report containing the following file to the Commission within 30 cal- information: endar days of a request for the file (1) The full name and mailing address made by the Commission to the TCB of the manufacturer of the device and and the manufacturer. Where appro- the applicant for certification. priate, the file should be accompanied (2) FCC identifier. by a request for confidentiality for any (3) A copy of the installation and op- material that may qualify for confiden- erating instructions to be furnished the tial treatment under the Commission’s user. A draft copy of the instructions

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may be submitted if the actual docu- this label shall be on the same size ment is not available. The actual docu- paper. ment shall be furnished to the FCC (8) If the equipment for which certifi- when it becomes available. cation is being sought must be tested (4) A brief description of the circuit with peripheral or accessory devices functions of the device along with a connected or installed, a brief descrip- statement describing how the device tion of those peripherals or accessories. operates. This statement should con- The peripheral or accessory devices tain a description of the ground system shall be unmodified, commercially and antenna, if any, used with the de- available equipment. vice. (9) For equipment subject to the pro- (5) A block diagram showing the fre- visions of part 15 of this chapter, the quency of all oscillators in the device. application shall indicate if the equip- The signal path and frequency shall be ment is being authorized pursuant to indicated at each block. The tuning the transition provisions in § 15.37 of range(s) and intermediate fre- this chapter. quency(ies) shall be indicated at each (10) Applications for the certification block. A schematic diagram is also re- of scanning receivers shall include a quired for intentional radiators. statement describing the methods used to comply with the design require- (6) A report of measurements show- ments of all parts of § 15.121 of this ing compliance with the pertinent FCC chapter. The application must specifi- technical requirements. This report cally include a statement assessing the shall identify the test procedure used vulnerability of the equipment to pos- (e.g., specify the FCC test procedure, or sible modification and describing the industry test procedure that was used), design features that prevent the modi- the date the measurements were made, fication of the equipment by the user the location where the measurements to receive transmissions from the Cel- were made, and the device that was lular Radiotelephone Service. The ap- tested (model and serial number, if plication must also demonstrate com- available). The report shall include pliance with the signal rejection re- sample calculations showing how the quirement of § 15.121 of this chapter, in- measurement results were converted cluding details on the measurement for comparison with the technical re- procedures used to demonstrate com- quirements. pliance. (7) A sufficient number of photo- (11) Applications for certification of graphs to clearly show the exterior ap- transmitters operating within the 59.0– pearance, the construction, the compo- 64.0 GHz band under part 15 of this nent placement on the chassis, and the chapter shall also be accompanied by chassis assembly. The exterior views an exhibit demonstrating compliance shall show the overall appearance, the with the provisions of § 15.255 (g) and (i) antenna used with the device (if any), of this chapter. the controls available to the user, and (c) Applications for equipment other the required identification label in suf- than that operating under parts 15 and ficient detail so that the name and FCC 18 of the rules shall be accompanied by identifier can be read. In lieu of a pho- a technical report containing the fol- tograph of the label, a sample label (or lowing information: facsimile thereof) may be submitted (1) The full name and mailing address together with a sketch showing where of the manufacturer of the device and this label will be placed on the equip- the applicant for certification. ment. Photographs shall be of size A4 (2) FCC identifier. (21 cm × 29.7 cm) or 8×10 inches (20.3 cm (3) A copy of the installation and op- × 25.4 cm). Smaller photographs may be erating instructions to be furnished the submitted provided they are sharp and user. A draft copy of the instructions clear, show the necessary detail, and may be submitted if the actual docu- are mounted on A4 (21 cm × 29.7 cm) or ment is not available. The actual docu- 8.5×11 inch (21.6 cm × 27.9 cm) paper. A ment shall be furnished to the FCC sample label or facsimile together with when it becomes available. the sketch showing the placement of (4) Type or types of emission.

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(5) Frequency range. with the technical specifications in (6) Range of operating power values subpart C of part 97 of this chapter and or specific operating power levels, and such information as required by § 2.1060 description of any means provided for of this part. variation of operating power. (16) An application for certification (7) Maximum power rating as defined of an AM broadcast stereophonic ex- in the applicable part(s) of the rules. citer-generator intended for inter- (8) The dc voltages applied to and dc facing with existing certified, or for- currents into the several elements of merly type accepted or notified trans- the final radio frequency amplifying mitters must include measurements device for normal operation over the made on a complete stereophonic power range. transmitter. The instruction book (9) Tune-up procedure over the power must include complete specifications range, or at specific operating power and circuit requirements for inter- levels. connecting with existing transmitters. (10) A schematic diagram and a de- The instruction book must also provide scription of all circuitry and devices a full description of the equipment and provided for determining and stabi- measurement procedures to monitor lizing frequency, for suppression of spu- modulation and to verify that the com- rious radiation, for limiting modula- bination of stereo exciter-generator tion, and for limiting power. and transmitter meet the emission (11) A photograph or drawing of the limitations of § 73.44. equipment identification plate or label (17) A single application may be filed showing the information to be placed for a composite system that incor- thereon. porates devices subject to certification (12) Photographs (8″×10″) of the equip- under multiple rule parts, however, the ment of sufficient clarity to reveal appropriate fee must be included for equipment construction and layout, in- each device. Separate applications cluding meters, if any, and labels for must be filed if different FCC Identi- controls and meters and sufficient fiers will be used for each device. views of the internal construction to define component placement and chas- [63 FR 36599, July 7, 1998, as amended at 63 FR 42278, Aug. 7, 1998; 64 FR 22561, Apr. 27, sis assembly. Insofar as these require- 1999; 67 FR 42734, June 25, 2002] ments are met by photographs or drawings contained in instruction manuals § 2.1035 [Reserved] supplied with the certification request, additional photographs are necessary § 2.1041 Measurement procedure. only to complete the required showing. For equipment operating under parts (13) For equipment employing digital 15 and 18, the measurement procedures modulation techniques, a detailed de- are specified in the rules governing the scription of the modulation system to particular device for which certifi- be used, including the response charac- cation is requested. For equipment op- teristics (frequency, phase and ampli- erating in the authorized radio serv- tude) of any filters provided, and a de- ices, measurements are required as scription of the modulating wavetrain, specified in §§ 2.1046, 2.1047, 2.1049, shall be submitted for the maximum 2.1051, 2.1053, 2.1055 and 2.1057. See also rated conditions under which the § 2.947. equipment will be operated. (14) The data required by §§ 2.1046 [63 FR 36600, July 7, 1998] through 2.1057, inclusive, measured in accordance with the procedures set out § 2.1043 Changes in certificated equip- in § 2.1041. ment. (15) The application for certification (a) Except as provided in paragraph of an external radio frequency power (b)(3) of this section, changes to the amplifier under part 97 of this chapter basic frequency determining and stabi- need not be accompanied by the data lizing circuitry (including clock or required by paragraph (b)(14) of this data rates), frequency multiplication section. In lieu thereof, measurements stages, basic modulator circuit or max- shall be submitted to show compliance imum power or field strength ratings

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shall not be performed without applica- plies with the applicable rules with the tion for and authorization of a new new software loaded, including compli- grant of certification. Variations in ance with the applicable RF exposure electrical or mechanical construction, requirements. The modified software other than these indicated items, are shall not be loaded into equipment, and permitted provided the variations ei- the equipment shall not be marketed ther do not affect the characteristics with the modified software under the required to be reported to the Commis- existing grant of certification, prior to sion or the variations are made in com- acknowledgement by the Commission pliance with the other provisions of that the change is acceptable. A copy this section. Changes to the software of the software shall be submitted to installed in a transmitter that do not the Commission upon request. Class III affect the radio frequency emissions do changes are permitted only for equip- not require a filing with the Commis- ment in which no Class II changes have sion and may be made by parties other been made from the originally ap- than the holder of the grant of certifi- proved device. cation. NOTE TO PARAGRAPH (b)(3): Any software (b) Three classes of permissive change that degrades spurious and out-of- changes may be made in certificated band emissions previously reported to the equipment without requiring a new ap- Commission at the time of initial certification would be considered a change in fre- plication for and grant of certification. quency or modulation and would require a None of the classes of changes shall re- Class III permissive change or new equip- sult in a change in identification. ment authorization application. (1) A Class I permissive change in- (4) Class I and Class II permissive cludes those modifications in the changes may only be made by the hold- equipment which do not degrade the er of the grant of certification, except characteristics reported by the manu- as specified below. facturer and accepted by the Commis- (c) A grantee desiring to make a sion when certification is granted. No change other than a permissive change filing with the Commission is required shall file an application on FCC Form for a Class I permissive change. 731 accompanied by the required fees. (2) A Class II permissive change in- The grantee shall attach a description cludes those modifications which de- of the change(s) to be made and a grade the performance characteristics statement indicating whether the as reported to the Commission at the change(s) will be made in all units time of the initial certification. Such (including previous production) or will degraded performance must still meet be made only in those units produced the minimum requirements of the ap- after the change is authorized. plicable rules. When a Class II permis- (d) A modification which results in a sive change is made by the grantee, the change in the identification of a device grantee shall supply the Commission with or without change in circuitry re- with complete information and the requires a new application for, and grant sults of tests of the characteristics af- of certification. If the changes affect fected by such change. The modified the characteristics required to be re- equipment shall not be marketed under ported, a complete application shall be the existing grant of certification prior filed. If the characteristics required to to acknowledgement by the Commis- be reported are not changed the abbre- sion that the change is acceptable. viated procedure of § 2.933 may be used. (3) A Class III permissive change in- (e) Equipment that has been certifi- cludes modifications to the software of cated or formerly type accepted for use a software defined radio transmitter in the Amateur Radio Service pursuant that change the frequency, modulation to the requirements of part 97 of this type, output power or maximum field chapter may be modified without re- strength outside the parameters pre- gard to the conditions specified in viously approved. When a Class III per- paragraph (b) of this section, provided missive change is made, the grantee the following conditions are met: shall supply the Commission with a de- (1) Any person performing such modi- scription of the changes and test re- fications on equipment used under part sults showing that the equipment com- 97 of this chapter must possess a valid

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amateur radio operator license of the quirements applicable thereto is de- class required for the use of the equip- fined as a Class I permissive change for ment being modified. compliance with this section. (2) Modifications made pursuant to (i) The addition of TV broadcast sub- this paragraph are limited to equip- carrier generators to a certificated or ment used at licensed amateur radio formerly type accepted TV broadcast stations. transmitter or the addition of FM (3) Modifications specified or per- broadcast subcarrier generators to a formed by equipment manufacturers or type accepted FM broadcast trans- suppliers must be in accordance with mitter, provided the transmitter ex- the requirements set forth in para- citer is designed for subcarrier oper- graph (b) of this section. ation without mechanical or electrical (4) Modifications specified or per- alterations to the exciter or other formed by licensees in the Amateur transmitter circuits. Radio Service on equipment other than (j) The addition of TV broadcast that at specific licensed amateur radio stereophonic generators to a certifi- stations must be in accordance with cated or formerly type accepted TV the requirements set forth in para- broadcast transmitter or the addition graph (b) of this section. of FM broadcast stereophonic genera- (5) The station licensee shall be re- tors to a certificated or formerly type sponsible for ensuring that modified accepted FM broadcast transmitter, equipment used at his station will com- provided the transmitter exciter is de- ply with the applicable technical signed for stereophonic sound oper- standards in part 97 of this chapter. ation without mechanical or electrical (f) For equipment other than that op- alterations to the exciter or other erating under parts 15 or 18, when a transmitter circuits. Class II permissive change is made by (k) The addition of subscription TV other than the grantee of certification, encoding equipment for which the FCC the information and data specified in has granted advance approval under paragraph (b)(2) of this section shall be the provisions of § 2.1400 in subpart M supplied by the person making the and § 73.644(c) of part 73 to a certifi- change. The modified equipment shall cated or formerly type accepted trans- not be operated under an authorization mitter is considered a Class I permis- of the Commission prior to acknowl- sive change. edgement by the Commission that the (l) Notwithstanding the provisions of change is acceptable. this section, broadcast licensees or per- (g) The interconnection of a certifi- mittees are permitted to modify cer- cated or formerly type accepted AM tificated or formerly type accepted broadcast stereophonic exciter-gener- equipment pursuant to § 73.1690 of the ator with a certificated or formerly FCC’s rules. type accepted AM broadcast transmitter in accordance with the manu- [63 FR 36600, July 7, 1998, as amended at 66 facturer’s instructions and upon com- FR 50840, Oct. 5, 2001] pletion of measurements showing that the modified transmitter meets the § 2.1046 Measurements required: RF emission limitation requirements of power output. § 73.44 is defined as a Class I permissive (a) For transmitters other than sin- change for compliance with this sec- gle sideband, independent sideband and tion. controlled carrier radiotelephone, (h) The interconnection of a multi- power output shall be measured at the plexing exciter with a certificated or RF output terminals when the trans- formerly type accepted AM broadcast mitter is adjusted in accordance with transmitter in accordance with the the tune-up procedure to give the val- manufacturer’s instructions without ues of current and voltage on the cir- electrical or mechanical modification cuit elements specified in § 2.1033(c)(8). of the transmitter circuits and comple- The electrical characteristics of the tion of equipment performance meas- radio frequency load attached to the urements showing the transmitter output terminals when this test is meets the minimum performance re- made shall be stated.

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(b) For single sideband, independent (5) Independent sideband transmit- sideband, and single channel, con- ters having more than two channels by trolled carrier radiotelephone trans- an appropriate signal or signals applied mitters the procedure specified in para- to all channels simultaneously. The graph (a) of this section shall be em- input signal or signals shall simulate ployed and, in addition, the trans- the input signals specified by the man- mitter shall be modulated during the ufacturer for normal operation. test as follows. In all tests, the input (6) Single-channel controlled-carrier level of the modulating signal shall be transmitters in the A3 emission mode— such as to develop rated peak envelope by a 2500 Hz tone. power or carrier power, as appropriate, (c) For measurements conducted pur- for the transmitter. suant to paragraphs (a) and (b) of this (1) Single sideband transmitters in section, all calculations and methods the A3A or A3J emission modes—by used by the applicant for determining carrier power or peak envelope power, two tones at frequencies of 400 Hz and as appropriate, on the basis of meas- 1800 Hz (for 3.0 kHz authorized band- ured power in the radio frequency load width), or 500 Hz and 2100 Hz (3.5 kHz attached to the transmitter output ter- authorized bandwidth), or 500 Hz and minals shall be shown. Under the test 2400 Hz (for 4.0 kHz authorized band- conditions specified, no components of width), applied simultaneously, the the emission spectrum shall exceed the input levels of the tones so adjusted limits specified in the applicable rule that the two principal frequency com- parts as necessary for meeting occu- ponents of the radio frequency signal pied bandwidth or emission limita- produced are equal in magnitude. tions. (2) Single sideband transmitters in the A3H emission mode—by one tone at [39 FR 5919, Feb. 15, 1974. Redesignated and a frequency of 1500 Hz (for 3.0 kHz au- amended at 63 FR 36599, July 7, 1998] thorized bandwidth), or 1700 Hz (for 3.5 § 2.1047 Measurements required: Mod- kHz authorized bandwidth), or 1900 Hz ulation characteristics. (for 4.0 kHz authorized bandwidth), the (a) Voice modulated communication level of which is adjusted to produce a equipment. A curve or equivalent data radio frequency signal component showing the frequency response of the equal in magnitude to the magnitude audio modulating circuit over a range of the carrier in this mode. of 100 to 5000 Hz shall be submitted. For (3) As an alternative to paragraphs equipment required to have an audio (b) (1) and (2) of this section other low-pass filter, a curve showing the fre- tones besides those specified may be quency response of the filter, or of all used as modulating frequencies, upon a circuitry installed between the modu- sufficient showing of need. However, lation limiter and the modulated stage any tones so chosen must not be har- shall be submitted. monically related, the third and fifth (b) Equipment which employs modula- order intermodulation products which tion limiting. A curve or family of occur must fall within the ¥25 dB step curves showing the percentage of mod- of the emission bandwidth limitation ulation versus the modulation input curve, the seventh and ninth order voltage shall be supplied. The informa- intermodulation product must fall tion submitted shall be sufficient to within the 35 dB step of the referenced show modulation limiting capability curve and the eleventh and all higher throughout the range of modulating order products must fall beyond the frequencies and input modulating sig- ¥35 dB step of the referenced curve. nal levels employed. (4) Independent sideband transmit- (c) Single sideband and independent ters having two channels by 1700 Hz sideband radiotelephone transmitters tones applied simultaneously in both which employ a device or circuit to limit channels, the input levels of the tones peak envelope power. A curve showing so adjusted that the two principal fre- the peak envelope power output versus quency components of the radio fre- the modulation input voltage shall be quency signal produced are equal in supplied. The modulating signals shall magnitude. be the same in frequency as specified in

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paragraph (c) of § 2.1049 for the occupied or 1700 Hz (for 3.5 kHz authorized band- bandwidth tests. width), or 1900 Hz (for 4.0 kHz author- (d) Other types of equipment. A curve ized bandwidth), the level of which is or equivalent data which shows that adjusted to produce a radio frequency the equipment will meet the modula- signal component equal in magnitude tion requirements of the rules under to the magnitude of the carrier in this which the equipment is to be licensed. mode. [39 FR 5919, Feb. 15, 1974. Redesignated and (4) As an alternative to paragraphs amended at 63 FR 36599, July 7, 1998] (c) (2) and (3) of this section, other tones besides those specified may be § 2.1049 Measurements required: Occu- used as modulating frequencies, upon a pied bandwidth. sufficient showing of need. However, The occupied bandwidth, that is the any tones so chosen must not be har- frequency bandwidth such that, below monically related, the third and fifth its lower and above its upper frequency order intermodulation products which limits, the mean powers radiated are occur must fall within the ¥25 dB step each equal to 0.5 percent of the total of the emission bandwidth limitation mean power radiated by a given emis- curve, the seventh and ninth order sion shall be measured under the fol- products must fall within the ¥35 dB lowing conditions as applicable: step of the referenced curve and the (a) Radiotelegraph transmitters for eleventh and all higher order products manual operation when keyed at 16 must fall beyond the ¥35 dB step of the dots per second. referenced curve. (b) Other keyed transmitters—when (5) Independent sideband transmit- keyed at the maximum machine speed. ters having two channels—when modu- (c) Radiotelephone transmitters lated by 1700 Hz tones applied simulta- equipped with a device to limit modu- neously to both channels. The input lation or peak envelope power shall be levels of the tones shall be so adjusted modulated as follows. For single side- that the two principal frequency com- band and independent sideband trans- ponents of the radio frequency signal mitters, the input level of the modu- produced are equal in magnitude. lating signal shall be 10 dB greater (d) Radiotelephone transmitters than that necessary to produce rated without a device to limit modulation peak envelope power. or peak envelope power shall be modu- (1) Other than single sideband or lated as follows. For single sideband independent sideband transmitters— and independent sideband transmitters, when modulated by a 2500 Hz tone at an the input level of the modulating sig- input level 16 dB greater than that nec- nal should be that necessary to produce essary to produce 50 percent modula- rated peak envelope power. tion. The input level shall be estab- (1) Other than single sideband or lished at the frequency of maximum re- independent sideband transmitters— sponse of the audio modulating circuit. when modulated by a 2500 Hz tone of (2) Single sideband transmitters in sufficient level to produce at least 85 A3A or A3J emission modes—when percent modulation. If 85 percent mod- modulated by two tones at frequencies ulation is unattainable, the highest of 400 Hz and 1800 Hz (for 3.0 kHz au- percentage modulation shall be used. thorized bandwidth), or 500 Hz and 2100 (2) Single sideband transmitters in Hz (for 3.5 kHz authorized bandwidth), A3A or A3J emission modes—when or 500 Hz and 2400 Hz (for 4.0 kHz au- modulated by two tones at frequencies thorized bandwidth), applied simulta- of 400 Hz and 1800 Hz (for 3.0 kHz au- neously. The input levels of the tones thorized bandwidth), or 500 Hz and 2100 shall be so adjusted that the two prin- Hz (for 3.5 kHz authorized bandwidth), cipal frequency components of the or 500 Hz and 2400 Hz (for 4.0 kHz au- radio frequency signal produced are thorized bandwidth), applied simulta- equal in magnitude. neously. The input levels of the tones (3) Single sideband transmitters in shall be so adjusted that the two prin- the A3H emission mode—when modu- cipal frequency components of the lated by one tone at a frequency of 1500 radio frequency signal produced are Hz (for 3.0 kHz authorized bandwidth), equal in magnitude.

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(3) Single sideband transmitters in simultaneously by a 67 kHz subcarrier the A3H emission mode—when modu- (unmodulated). lated by one tone at a frequency of 1500 (5) FM broadcast transmitter for Hz (for 3.0 kHz authorized bandwidth), stereophonic operation—when modu- or 1700 Hz (for 3.5 kHz authorized band- lated by a 15 kHz input signal to the width), or 1900 Hz (for 4.0 kHz author- main channel, a 15 kHz input signal to ized bandwidth), the level of which is the stereophonic subchannel, and the adjusted to produce a radio frequency pilot subcarrier simultaneously. The signal component equal in magnitude input signals to the main channel and to the magnitude of the carrier in this stereophonic subchannel each shall mode. produce 38 percent modulation of the (4) As an alternative to paragraphs carrier. The pilot subcarrier should (d) (2) and (3) of this section, other produce 9 percent modulation of the tones besides those specified may be carrier. used as modulating frequencies, upon a (6) Television broadcast monaural sufficient showing of need. However transmitters—when modulated 85% by any tones so chosen must not be har- a 15 kHz input signal. monically related, the third and fifth (7) Television broadcast stereophonic order intermodulation products which sound transmitters—when the trans- occur must fall within the ¥25 dB step mitter is modulated with a 15 kHz of the emission bandwidth limitation input signal to the main channel and curve, the seventh and ninth order the stereophonic subchannel, any pilot products must fall within the ¥35 dB subcarrier(s) and any unmodulated step of the referenced curve and the auxiliary subcarrier(s) which may be eleventh and all higher order products provided. The signals to the main chan- must fall beyond the ¥35 dB step of the nel and the stereophonic subchannel referenced curve. must be representative of the system (5) Independent sideband transmit- being tested and when combined with ters having two channels—when modu- any pilot subcarrier(s) or other auxil- lated by 1700 Hz tones applied simulta- iary subcarriers shall result in 85% de- neously to both channels. The input viation of the maximum specified aural levels of the tones shall be so adjusted carrier deviation. that the two principal frequency com- (f) Transmitters for which peak fre- ponents of the radio frequency signal quency deviation (D) is determined in produced are equal in magnitude. accordance with § 2.202(f), and in which (e) Transmitters for use in the Radio the modulating baseband comprises Broadcast Services: more than 3 independent speech chan- (1) AM broadcast transmitters for nels—when modulated by a test signal monaural operation—when amplitude determined in accordance with the fol- modulated 85% by a 7,500 Hz input sig- lowing: nal. (1) A modulation reference level is es- (2) AM broadcast stereophonic oper- tablished for the characteristic ation—when the transmitter operated baseband frequency. (Modulation ref- under any stereophonic modulation erence level is defined as the average condition not exceeding 100% on nega- power level of a sinusoidal test signal tive peaks and tested under the condi- delivered to the modulator input which tions specified in § 73.128 in part 73 of provides the specified value of per- the FCC rules for AM broadcast sta- channel deviation.) tions. (2) Modulation reference level being (3) FM broadcast transmitter not established, the total rms deviation of used for multiplex operation—when the transmitter is measured when a modulated 85 percent by a 15 kHz input test signal consisting of a band of ran- signal. dom noise extending from below 20 kHz (4) FM broadcast transmitters for to the highest frequency in the multiplex operation under Subsidiary baseband, is applied to the modulator Communication Authorization (SCA)— input through any preemphasis net- when carrier is modulated 70 percent works used in normal service. The av- by a 15 kHz main channel input signal, erage power level of the test signal and modulated an additional 15 percent shall exceed the modulation reference

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level by the number of decibels determined using the appropriate formula in the following table:

Number of message circuits that Number of dB by which the average power (Pavg) level test sig- modulate the transmitter nal shall exceed the modulation reference level Limits of Pavg (dBm0)

More than 3, but less than 12 ...... To be specified by the equipment manufacturer subject to FCC approval. At least 12, but less than 60 ...... X+2 log10 Nc ...... X: ¥2 to +2.6 At least 60, but less than 240 ...... X+4 log10 Nc ...... X: ¥5.6 to ¥1.0 240 or more ...... X+10 log10 Nc ...... X: ¥19.6 to ¥15.0

Where X represents the average power in a message circuit in dBm0; Nc is the number of circuits in the multiplexed message load. Pavg shall be selected by the transmitter manufacturer and included with the technical data submitted with the application for type acceptance. (See § 2.202(e) in this chapter.)

(g) Transmitters in which the modu- § 2.1051 Measurements required: Spu- lating baseband comprises not more rious emissions at antenna termi- than three independent channels— nals. when modulated by the full com- The radio frequency voltage or pow- plement of signals for which the trans- ers generated within the equipment mitter is rated. The level of modula- and appearing on a spurious frequency tion for each channel should be set to shall be checked at the equipment out- that prescribed in rule parts applicable put terminals when properly loaded to the services for which the trans- with a suitable artificial antenna. mitter is intended. If specific modula- Curves or equivalent data shall show tion levels are not set forth in the the magnitude of each harmonic and rules, the tests should provide the other spurious emission that can be de- manufacturer’s maximum rated condi- tected when the equipment is operated tion. under the conditions specified in (h) Transmitters employing digital § 2.1049 as appropriate. The magnitude of spurious emissions which are attenu- modulation techniques—when modu- ated more than 20 dB below the permis- lated by an input signal such that its sible value need not be specified. amplitude and symbol rate represent the maximum rated conditions under [39 FR 5919, Feb. 15, 1974. Redesignated and which the equipment will be operated. amended at 63 FR 36599, July 7, 1998] The signal shall be applied through any § 2.1053 Measurements required: Field filter networks, pseudo-random genera- strength of spurious radiation. tors or other devices required in normal service. Additionally, the occupied (a) Measurements shall be made to bandwidth shall be shown for operation detect spurious emissions that may be radiated directly from the cabinet, with any devices used for modifying control circuits, power leads, or inter- the spectrum when such devices are op- mediate circuit elements under normal tional at the discretion of the user. conditions of installation and oper- (i) Transmitters designed for other ation. Curves or equivalent data shall types of modulation—when modulated be supplied showing the magnitude of by an appropriate signal of sufficient each harmonic and other spurious amplitude to be representative of the emission. For this test, single side- type of service in which used. A de- band, independent sideband, and con- scription of the input signal should be trolled carrier transmitters shall be supplied. modulated under the conditions specified in paragraph (c) of § 2.1049, as ap- (Secs. 4, 303, 307, 48 Stat., as amended, 1066, 1082, 1083; 47 U.S.C. 154, 303, 307) propriate. For equipment operating on frequencies below 890 MHz, an open [39 FR 5919, Feb. 15, 1974, as amended at 39 field test is normally required, with FR 35664, Oct. 3, 1974; 47 FR 13164, Mar. 29, the measuring instrument antenna lo- 1982; 48 FR 16493, Apr. 18, 1983; 49 FR 18105, cated in the far-field at all test fre- Apr. 27, 1984. Redesignated at 63 FR 36599, quencies. In the event it is either im- July 7, 1998] practical or impossible to make open

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field measurements (e.g. a broadcast (3) From 0° to +50° centigrade for transmitter installed in a building) equipment to be licensed for use in the measurements will be accepted of the Radio Broadcast Services under part 73 equipment as installed. Such measure- of this chapter. ments must be accompanied by a de- (b) Frequency measurements shall be scription of the site where the meas- made at the extremes of the specified urements were made showing the loca- temperature range and at intervals of tion of any possible source of reflec- not more than 10° centigrade through tions which might distort the field the range. A period of time sufficient strength measurements. Information to stabilize all of the components of submitted shall include the relative ra- the oscillator circuit at each tempera- diated power of each spurious emission ture level shall be allowed prior to fre- with reference to the rated power out- quency measurement. The short term put of the transmitter, assuming all transient effects on the frequency of emissions are radiated from halfwave the transmitter due to keying (except dipole antennas. for broadcast transmitters) and any (b) The measurements specified in heating element cycling normally oc- paragraph (a) of this section shall be made for the following equipment: curring at each ambient temperature level also shall be shown. Only the por- (1) Those in which the spurious emissions are required to be 60 dB or more tion or portions of the transmitter con- below the mean power of the trans- taining the frequency determining and mitter. stabilizing circuitry need be subjected (2) All equipment operating on fre- to the temperature variation test. quencies higher than 25 MHz. (c) In addition to all other require- (3) All equipment where the antenna ments of this section, the following in- is an integral part of, and attached di- formation is required for equipment in- rectly to the transmitter. corporating heater type crystal oscilla- (4) Other types of equipment as re- tors to be used in mobile stations, for quired, when deemed necessary by the which type acceptance is first re- Commission. quested after March 25, 1974, except for battery powered, hand carried, portable [39 FR 5919, Feb. 15, 1974. Redesignated and equipment having less than 3 watts amended at 63 FR 36599, July 7, 1998] mean output power. § 2.1055 Measurements required: Fre- (1) Measurement data showing vari- quency stability. ation in transmitter output frequency from a cold start and the elapsed time (a) The frequency stability shall be necessary for the frequency to stabilize measured with variation of ambient within the applicable tolerance. Tests temperature as follows: shall be made after temperature sta- (1) From ¥30° to +50° centigrade for bilization at each of the ambient tem- all equipment except that specified in paragraphs (a) (2) and (3) of this sec- perature levels; the lower temperature ° ° tion. limit, 0 centigrade and +30 centigrade (2) From ¥20° to +50° centrigrade for with no primary power applied. equipment to be licensed for use in the (2) Beginning at each temperature Maritime Services under part 80 of this level specified in paragraph (c)(1) of chapter, except for Class A, B, and S this section, the frequency shall be Emergency Position Indicating measured within one minute after ap- Radiobeacons (EPIRBS), and equip- plication of primary power to the ment to be licensed for use above 952 transmitter and at intervals of no more MHz at operational fixed stations in all than one minute thereafter until ten services, stations in the Local Tele- minutes have elapsed or until suffi- vision Transmission Service and Point- cient measurements are obtained to in- to-Point Microwave Radio Service dicate clearly that the frequency has under part 21 of this chapter, and stabilized within the applicable toler- equipment licensed for use aboard air- ance, whichever time period is greater. craft in the Aviation Services under During each test, the ambient tempera- part 87 of this chapter. ture shall not be allowed to rise more

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than 10° centigrade above the respec- lowest radio frequency signal gen- tive beginning ambient temperature erated in the equipment, without going level. below 9 kHz, up to at least the fre- (3) The elapsed time necessary for the quency shown below: frequency to stabilize within the appli- (1) If the equipment operates below 10 cable tolerance from each beginning GHz: to the tenth harmonic of the ambient temperature level as deter- highest fundamental frequency or to 40 mined from the tests specified in this GHz, whichever is lower. paragraph shall be specified in the in- (2) If the equipment operates at or struction book for the transmitter fur- above 10 GHz and below 30 GHz: to the nished to the user. fifth harmonic of the highest funda- (4) When it is impracticable to sub- mental frequency or to 100 GHz, which- ject the complete transmitter to this ever is lower. test because of its physical dimensions (3) If the equipment operates at or or power rating, only its frequency de- above 30 GHz: to the fifth harmonic of termining and stabilizing portions need the highest fundamental frequency or be tested. to 200 GHz, whichever is lower. (d) The frequency stability shall be (b) Particular attention should be measured with variation of primary paid to harmonics and subharmonics of supply voltage as follows: the carrier frequency as well as to (1) Vary primary supply voltage from those frequencies removed from the 85 to 115 percent of the nominal value carrier by multiples of the oscillator for other than hand carried battery frequency. Radiation at the frequencies equipment. of multiplier stages should also be (2) For hand carried, battery powered checked. equipment, reduce primary supply volt- (c) The amplitude of spurious emis- age to the battery operating end point sions which are attenuated more than which shall be specified by the manu- 20 dB below the permissible value need facturer. not be reported. (3) The supply voltage shall be meas- (d) Unless otherwise specified, measured at the input to the cable normally urements above 40 GHz shall be per- provided with the equipment, or at the formed using a minimum resolution power supply terminals if cables are bandwidth of 1 MHz. not normally provided. Effects on frequency of transmitter keying (except [61 FR 14502, Apr. 2, 1996. Redesignated and for broadcast transmitters) and any amended at 63 FR 36599, July 7, 1998] heating element cycling at the nominal supply voltage and at each extreme § 2.1060 Equipment for use in the ama- also shall be shown. teur radio service. (e) When deemed necessary, the Com- (a) The general provisions of §§ 2.925, mission may require tests of frequency 2.1031, 2.1033, 2.1041, 2.1043, 2.1051, 2.1053 stability under conditions in addition and 2.1057 shall apply to applications to those specifically set out in para- for, and grants of, certification for graphs (a), (b), (c), and (d) of this sec- equipment operated under the require- tion. (For example measurements ments of part 97 of this chapter, the showing the effect of proximity to Amateur Radio Service. large metal objects, or of various types (b) When performing the tests speci- of antennas, may be required for port- fied in §§ 2.1051 and 2.1053 of this part, able equipment.) the center of the transmitted bandwidth shall be within the operating fre- [39 FR 5919, Feb. 14, 1974, as amended at 51 FR 31304, Sept. 2, 1986; 56 FR 11682, Mar. 20, quency band by an amount equal to 50 1991. Redesignated at 63 FR 36599, July 7, percent of the bandwidth utilized for 1998.] the tests. In addition, said tests shall be made on at least one frequency in § 2.1057 Frequency spectrum to be in- each of the bands within which the vestigated. equipment is capable of tuning. (a) In all of the measurements set (c) Any supplier of an external radio forth in §§ 2.1051 and 2.1053, the spec- frequency power amplifier kit as de- trum shall be investigated from the fined by § 97.3(a)(17) of this chapter

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shall comply with the following re- these amplifiers in services other than quirements: the Amateur Radio Service. Other uses (1) Assembly of one unit of a specific of these amplifiers, such as in the Citi- type shall be made in exact accordance zens Band Radio Service, are prohib- with the instructions being supplied ited (§ 95.411 of this chapter). Examples with the product being marketed. If all of features which may result in the de- of the necessary components are not nial of certification are contained in normally furnished with the kit, as- § 97.317 of this chapter. sembly shall be made using the recommended components. [63 FR 36601, July 7, 1998] (2) The measurement data required FILING FOR APPLICATION REFERENCE for certification shall be obtained for this unit and submitted with the cer- § 2.1061 Submission of technical infor- tification application. Unless otherwise mation for application reference. requested, it is not necessary to submit An application for station authoriza- this unit with the application. tion in some services requires a de- (3) A copy of the exact instructions tailed technical description of the which will be provided for assembly of equipment proposed to be used. In the equipment shall be provided in ad- order to simplify the preparation and dition to other material required by processing of applications by elimi- § 2.1033 of this part. nating the need for the submission of (4) The identification label required equipment specifications with each ap- by § 2.925 of this part shall be perma- plication, the Commission will accept nently affixed to the assembled unit for application reference purposes de- and shall be of sufficient size so as to tailed technical specifications of equip- be easily read. The following information shall be shown on the label: ment designed for use in these services. Manufacturers desiring to avail them- (Name of Grantee of Certification) selves of this procedure should submit FCC ID: (The number assigned to the equip- all information required by the appli- ment by the grantor) cation form and the rules for the serv- This amplifier can be expected to comply ices in which the equipment is to be with part 97 of the FCC Regulations when as- used. An application for a station au- sembled and aligned in strict accordance thorization submitted subsequent to with the instruction manual using compo- such filing may refer to the technical nents with the kit or an exact equivalent thereof. information so filed. (Title and signature of responsible represent- § 2.1063 Disclaimer re technical infor- ative of Grantee) mation filed for application ref- Statement of Compliance erence. I state that I have constructed this equip- Receipt by the Commission of data ment in accordance with the instruction manual and using the parts furnished by the for application purposes does not imply supplier of this kit. that the Commission has made or in- (Signature) tends to make any finding regarding (Date) the acceptability of the equipment for licensing and such equipment will not (Amateur call sign) (Class of license) be included on the list of equipment ac- (Expiration date of license) ceptable for licensing. Each applicant (To be signed by the person responsible for is expected to exercise appropriate care proper assembly of kit.) in the selection of equipment to insure (5) If requested, an unassembled unit that the unit selected will comply with shall be provided for assembly and test the rules governing the service in by the Commission. Shipping charges which it is proposed to operate. to and from the Commission’s Labora- tory shall be borne by the applicant. § 2.1065 Identification and changes in (d) Certification of external radio fre- equipment information filed for ap- quency power amplifiers and amplifier plication reference. kits may be denied when denial serves (a) Each type of equipment, for which the public interest, convenience and information is filed for application ref- necessity by preventing the use of erence purposes, shall be identified by

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a type number assigned by the manu- make reference to a Declaration of facturer of the equipment. The type Conformity in a deceptive or mis- number shall consist of a series of Ara- leading manner or convey the impres- bic numerals or capital letters or a sion that such a Declaration of Con- combination thereof, and may include formity reflects more than a deter- punctuation marks and spaces. The mination by the responsible party that total of Arabic numerals, capital let- the device or product has been shown ters, punctuation marks and spaces in to be capable of complying with the ap- any assigned type number shall not ex- plicable technical standards of the ceed 17. The type number shall be Commission’s rules. shown on an identification plate or [61 FR 31046, June 19, 1996] label affixed in a conspicuous place to such equipment. § 2.1073 Responsibilities. (b) If the assignment of a different (a) The responsible party, as defined type number is required as a result of in § 2.909, must warrant that each unit equipment modification, a new identi- of equipment marketed under a Dec- fication plate or label bearing the new laration of Conformity is identical to type number shall be affixed to the the unit tested and found acceptable modified equipment. with the standards and that the records NOTE: It is recommended that such equip- maintained by the responsible party ment be identified with a nameplate pursu- continue to reflect the equipment ant to § 2.925, except for deletion of the FCC being produced under the Declaration Identifier, which will not be assigned to nor of Conformity within the variation listed for such equipment. that can be expected due to quantity (Secs. 4, 303, 48 Stat., as amended, 1066, 1082, production and testing on a statistical sec. 302, 82 Stat., 290 (47 U.S.C. 154, 302, 303)) basis. (b) The responsible party, if different [39 FR 28160, Aug. 5, 1974, as amended at 44 FR 17180, Mar. 21, 1979] from the manufacturer, may upon receiving a written statement from the DECLARATION OF CONFORMITY manufacturer that the equipment complies with the appropriate technical § 2.1071 Cross reference. standards rely on the manufacturer or The general provisions of this sub- independent testing agency to deter- part, shall apply to equipment subject mine compliance. However, the test to a Declaration of Conformity. records required by § 2.1075 shall be in the English language and shall be made [61 FR 31046, June 19, 1996] available to the Commission upon a reasonable request in accordance with § 2.1072 Limitation on Declaration of the provisions of § 2.1076. Conformity. (c) In the case of transfer of control (a) The Declaration of Conformity of the equipment, as in the case of sale signifies that the responsible party, as or merger of the responsible party, the defined in § 2.909, has determined that new responsible party shall bear the re- the equipment has been shown to com- sponsibility of continued compliance of ply with the applicable technical the equipment. standards if no unauthorized change is (d) Equipment shall be retested to made in the equipment and if the demonstrate continued compliance equipment is properly maintained and with the applicable technical standards operated. Compliance with these stand- if any modifications or changes that ards shall not be construed to be a find- could adversely affect the emanation ing by the responsible party with re- characteristics of the equipment are spect to matters not encompassed by made by the responsible party. The re- the Commission’s rules. sponsible party bears responsibility for (b) A Declaration of Conformity by the continued compliance of subse- the responsible party is effective until quently produced equipment. a termination date is otherwise estab- (e) If any modifications or changes lished by the Commission. are made by anyone other than the re- (c) No person shall, in any adver- sponsible party for the Declaration of tising matter, brochure, etc., use or Conformity, the party making the

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modifications or changes, if located measurement procedure and test equip- within the U.S., becomes the new re- ment that was used; sponsible party. The new responsible (iv) A description of the equipment party must comply with all provisions under test (EUT) and support equip- for the Declaration of Conformity, in- ment connected to, or installed within, cluding having test data on file dem- the EUT; onstrating that the product continues (v) The identification of the EUT and to comply with all of the applicable support equipment by trade name and technical standards. model number and, if appropriate, by [61 FR 31046, June 19, 1996] FCC Identifier and serial number; (vi) The types and lengths of con- § 2.1074 Identification. necting cables used and how they were Devices subject only to a Declaration arranged or moved during testing; of Conformity shall be uniquely identi- (vii) At least two photographs show- fied by the responsible party. This ing the test set-up for the highest line identification shall not be of a format conducted emission and showing the which could be confused with the FCC test set-up for the highest radiated Identifier required on certified, noti- emission. These photographs must be fied, type accepted or type approved focused originals which show enough equipment. The responsible party shall detail to confirm other information maintain adequate identification contained in the test report; records to facilitate positive identifica- (viii) A description of any modification for each device. tions made to the EUT by the testing company or individual to achieve com- [61 FR 31047, June 19, 1996] pliance with the regulations; § 2.1075 Retention of records. (ix) All of the data required to show compliance with the appropriate regu- (a) Except as shown in paragraph (b) lations; of this section, for each product subject to a Declaration of Conformity, the re- (x) The signature of the individual responsible party, as shown in § 2.909, sponsible for testing the product along shall maintain the following records: with the name and signature of an offi- (1) A record of the original design cial of the responsible party, as des- drawings and specifications and all ignated in § 2.909; and changes that have been made that may (xi) A copy of the compliance infor- affect compliance with the require- mation, as described in § 2.1077, re- ments of § 2.1073. quired to be provided with the equip- (2) A record of the procedures used ment. for production inspection and testing (b) If the equipment is assembled (if tests were performed) to insure the using modular components that, by conformance required by § 2.1073. themselves, are subject to authoriza- (Statistical production line emission tion under a Declaration of Conformity testing is not required.) and/or a grant of certification, and the (3) A record of the measurements assembled product is also subject to made on an appropriate test site that authorization under a Declaration of demonstrates compliance with the ap- Conformity but, in accordance with the plicable regulations. The record shall applicable regulations, does not require contain: additional testing, the assembler shall (i) The actual date or dates testing maintain the following records in order was performed; to show the basis on which compliance (ii) The name of the test laboratory, with the standards was determined: company, or individual performing the (1) A listing of all of the components testing. The Commission may request used in the assembly; additional information regarding the (2) Copies of the compliance informa- test site, the test equipment or the tion, as described in § 2.1077 for all of qualifications of the company or indi- the modular components used in the vidual performing the tests; assembly; (iii) A description of how the device (3) A listing of the FCC Identifier was actually tested, identifying the numbers for all of the components used

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in the assembly that are authorized product at the time of marketing or under a grant of certification; importation, containing the following (4) A listing of equipment modifica- information: tions, if any, that were made during as- (1) Identification of the product, e.g., sembly; and name and model number; (5) A copy of any instructions in- (2) A statement, similar to that con- cluded with the components that were tained in § 15.19(a)(3) of this chapter, required to be followed to ensure the that the product complies with part 15 assembly of a compliant product, along with a statement, signed by the assem- of this chapters; and bler, that these instructions were fol- (3) The identification, by name, ad- lowed during assembly. This statement dress and telephone number, of the re- shall also contain the name and signa- sponsible party, as defined in § 2.909. ture of an official of the responsible The responsible party for a Declaration party, as designated in § 2.909. of Conformity must be located within (c) The records listed in paragraphs the United States. (a) and (b) of this section shall be re- (b) If a product is assembled from tained for two years after the manufac- modular components that, by them- ture or assembly, as appropriate, of selves, are authorized under a Declara- said equipment has been permanently tion of Conformity and/or a grant of discontinued, or until the conclusion of certification, and the assembled prod- an investigation or a proceeding if the uct is also subject to authorization responsible party is officially notified under a Declaration of Conformity but, that an investigation or any other ad- in accordance with the applicable regu- ministrative proceeding involving the lations, does not require additional equipment has been instituted. Re- quests for the records described in this testing, the product shall be supplied, section and for sample units also are at the time of marketing or importa- covered under the provisions of § 2.946. tion, with a compliance information statement containing the following in- [61 FR 31047, June 19, 1996] formation: § 2.1076 FCC inspection and submis- (1) Identification of the assembled sion of equipment for testing. product, e.g., name and model number. (a) Each responsible party, upon re- (2) Identification of the modular ceipt of a reasonable request, shall sub- components used in the assembly. A mit to the Commission the records re- modular component authorized under a quired by § 2.1075 or one or more sample Declaration of Conformity shall be units for measurements at the Com- identified as specified in paragraph mission’s laboratory. (a)(1) of this section. A modular compo- (b) Shipping costs to the Commis- nent authorized under a grant of cer- sion’s Laboratory and return shall be tification shall be identified by name borne by the responsible party. In the and model number (if applicable) along event the responsible party believes with the FCC Identifier number. that shipment of the sample to the (3) A statement that the product Commission’s Laboratory is imprac- complies with part 15 of this chapter. tical because of the size or weight of (4) The identification, by name, ad- the equipment, or the power require- dress and telephone number, of the re- ment, or for any other reason, the responsible party who assembled the sponsible party may submit a written product from modular components, as explanation why such shipment is im- defined in § 2.909. The responsible party practical and should not be required. for a Declaration of Conformity must [61 FR 31047, June 19, 1996] be located within the United States. (5) Copies of the compliance informa- § 2.1077 Compliance information. tion statements for each modular com- (a) If a product must be tested and ponent used in the system that is au- authorized under a Declaration of Con- thorized under a Declaration of Con- formity, a compliance information formity. statement shall be supplied with the

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(c) The compliance information 1.5 GHz and their ERP is 3 watts or statement shall be included in the more. Unlicensed personal communica- user’s manual or as a separate sheet. tions service devices, unlicensed milli- meter wave devices and unlicensed NII [61 FR 31048, June 19, 1996, as amended at 62 FR 41880, Aug. 4, 1997] devices authorized under § 15.253, § 15.255, and subparts D and E of part 15 RADIOFREQUENCY RADIATION EXPOSURE of this chapter are also subject to routine environmental evaluation for RF § 2.1091 Radiofrequency radiation ex- exposure prior to equipment authoriza- posure evaluation: mobile devices. tion or use if their ERP is 3 watts or (a) Requirements of this section are a more or if they meet the definition of consequence of Commission respon- a portable device as specified in § 2.1093 sibilities under the National Environ- (b) requiring evaluation under the pro- mental Policy Act to evaluate the en- visions of that section. All other mo- vironmental significance of its actions. bile and unlicensed transmitting de- See subpart I of part 1 of this chapter, vices are categorically excluded from in particular § 1.1307(b). routine environmental evaluation for (b) For purposes of this section, a RF exposure prior to equipment au- mobile device is defined as a transmit- thorization or use, except as specified ting device designed to be used in other in §§ 1.1307(c) and 1.1307(d) of this chap- than fixed locations and to generally ter. Applications for equipment author- be used in such a way that a separation ization of mobile and unlicensed trans- distance of at least 20 centimeters is mitting devices subject to routine en- normally maintained between the vironmental evaluation must contain a transmitter’s radiating structure(s) statement confirming compliance with and the body of the user or nearby per- the limits specified in paragraph (d) of sons. In this context, the term ‘‘fixed this section as part of their applica- location’’ means that the device is tion. Technical information showing physically secured at one location and the basis for this statement must be is not able to be easily moved to an- submitted to the Commission upon re- other location. Transmitting devices quest. designed to be used by consumers or (d) The limits to be used for evalua- workers that can be easily re-located, tion are specified in § 1.1310 of this such as wireless devices associated chapter. All unlicensed personal com- with a personal computer, are consid- munications service (PCS) devices and ered to be mobile devices if they meet unlicensed NII devices shall be subject the 20 centimeter separation require- to the limits for general population/un- ment. controlled exposure. (c) Mobile devices that operate in the (1) For purposes of analyzing mobile Cellular Radiotelephone Service, the transmitting devices under the occupa- Personal Communications Services, tional/controlled criteria specified in the Satellite Communications Serv- § 1.1310 of this chapter, time-averaging ices, the General Wireless Communica- provisions of the guidelines may be tions Service, the Wireless Commu- used in conjunction with typical max- nications Service, the Maritime Serv- imum duty factors to determine max- ices and the Specialized Mobile Radio imum likely exposure levels. Service authorized under subpart H of (2) Time-averaging provisions may part 22 of this chapter, part 24 of this not be used in determining typical ex- chapter, part 25 of this chapter, part 26 posure levels for devices intended for of this chapter, part 27 of this chapter, use by consumers in general popu- part 80 of this chapter (ship earth sta- lation/uncontrolled environments as tions devices only) and part 90 of this defined in § 1.1310 of this chapter. How- chapter are subject to routine environ- ever, ‘‘source-based’’ time-averaging mental evaluation for RF exposure based on an inherent property or duty- prior to equipment authorization or cycle of a device is allowed. An exam- use if they operate at frequencies of 1.5 ple of this is the determination of expo- GHz or below and their effective radi- sure from a device that uses digital ated power (ERP) is 1.5 watts or more, technology such as a time-division or if they operate at frequencies above multiple-access (TDMA) scheme for

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transmission of a signal. In general, tion devices only), part 90 of this chap- maximum average power levels must ter, subparts H and I of part 95, and un- be used to determine compliance. licensed personal communication serv- (3) If appropriate, compliance with ice, unlicensed NII devices and milli- exposure guidelines for devices in this meter wave devices authorized under section can be accomplished by the use subparts D and E, § 15.253 and § 15.255 of of warning labels and by providing part 15 of this chapter are subject to users with information concerning routine environmental evaluation for minimum separation distances from RF exposure prior to equipment au- transmitting structures and proper in- thorization or use. All other portable stallation of antennas. transmitting devices are categorically (4) In some cases, e.g., modular or desktop transmitters, the potential excluded from routine environmental conditions of use of a device may not evaluation for RF exposure prior to allow easy classification of that device equipment authorization or use, except as either mobile or portable (also see as specified in §§ 1.1307(c) and 1.1307(d) § 2.1093). In such cases, applicants are of this chapter. Applications for equip- responsible for determining minimum ment authorization of portable trans- distances for compliance for the in- mitting devices subject to routine en- tended use and installation of the de- vironmental evaluation must contain a vice based on evaluation of either spe- statement confirming compliance with cific absorption rate (SAR), field the limits specified in paragraph (d) of strength or power density, whichever is this section as part of their applica- most appropriate. tion. Technical information showing the basis for this statement must be [61 FR 41017, Aug. 7, 1996, as amended at 62 FR 4655, Jan. 31, 1997; 62 FR 9658, Mar. 3, 1997; submitted to the Commission upon re- 62 FR 47966, Sept. 12, 1997] quest. (d) The limits to be used for evalua- § 2.1093 Radiofrequency radiation ex- tion are based generally on criteria posure evaluation: portable devices. published by the American National (a) Requirements of this section are a Standards Institute (ANSI) for local- consequence of Commission respon- ized specific absorption rate (‘‘SAR’’) sibilities under the National Environ- in Section 4.2 of ‘‘IEEE Standard for mental Policy Act to evaluate the en- Safety Levels with Respect to Human vironmental significance of its actions. Exposure to Radio Frequency Electro- See subpart I of part 1 of this chapter, magnetic Fields, 3 kHz to 300 GHz,’’ in particular § 1.1307(b). ANSI/IEEE C95.1–1992, Copyright 1992 (b) For purposes of this section, a by the Institute of Electrical and Elec- portable device is defined as a trans- tronics Engineers, Inc., New York, New mitting device designed to be used so York 10017. These criteria for SAR that the radiating structure(s) of the evaluation are similar to those rec- device is/are within 20 centimeters of ommended by the National Council on the body of the user. Radiation Protection and Measure- (c) Portable devices that operate in ments (NCRP) in ‘‘Biological Effects the Cellular Radiotelephone Service, the Personal Communications Service and Exposure Criteria for Radio- (PCS), the Satellite Communications frequency Electromagnetic Fields,’’ Services, the General Wireless Commu- NCRP Report No. 86, Section 17.4.5. nications Service, the Wireless Com- Copyright NCRP, 1986, Bethesda, Mary- munications Service, the Maritime land 20814. SAR is a measure of the Services, the Specialized Mobile Radio rate of energy absorption due to expo- Service, the Wireless Medical Telem- sure to an RF transmitting source. etry Service (WMTS) and the Medical SAR values have been related to Implant Communications Service threshold levels for potential biological (MICS), authorized under subpart H of hazards. The criteria to be used are part 22 of this chapter, part 24 of this specified in paragraphs (d)(1) and (d)(2) chapter, part 25 of this chapter, part 26 of this section and shall apply for port- of this chapter, part 27 of this chapter, able devices transmitting in the fre- part 80 of this chapter (ship earth sta- quency range from 100 kHz to 6 GHz.

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Portable devices that transmit at fre- putational modeling. Methodologies quencies above 6 GHz are to be evalu- and references for SAR evaluation are ated in terms of the MPE limits speci- described in numerous technical publi- fied in § 1.1310 of this chapter. Measure- cations including ‘‘IEEE Recommended ments and calculations to demonstrate Practice for the Measurement of Po- compliance with MPE field strength or tentially Hazardous Electromagnetic power density limits for devices oper- Fields—RF and Microwave,’’ IEEE ating above 6 GHz should be made at a C95.3–1991. minimum distance of 5 cm from the ra- (4) For purposes of analyzing portable diating source. transmitting devices under the occupa- (1) Limits for Occupational/Con- tional/controlled criteria, the time- trolled exposure: 0.4 W/kg as averaged averaging provisions of the MPE guide- over the whole-body and spatial peak lines identified in § 1.1310 of this chap- SAR not exceeding 8 W/kg as averaged ter can be used in conjunction with over any 1 gram of tissue (defined as a typical maximum duty factors to de- tissue volume in the shape of a cube). termine maximum likely exposure lev- Exceptions are the hands, wrists, feet els. and ankles where the spatial peak SAR (5) Time-averaging provisions of the shall not exceed 20 W/kg, as averaged MPE guidelines identified in § 1.1310 of over an 10 grams of tissue (defined as a this chapter may not be used in deter- tissue volume in the shape of a cube). mining typical exposure levels for port- Occupational/Controlled limits apply able devices intended for use by con- when persons are exposed as a consumers, such as hand-held cellular tele- sequence of their employment provided phones, that are considered to operate these persons are fully aware of and ex- in general population/uncontrolled en- ercise control over their exposure. vironments as defined above. However, Awareness of exposure can be accom- ‘‘source-based’’ time-averaging based plished by use of warning labels or by on an inherent property or duty-cycle specific training or education through of a device is allowed. An example of appropriate means, such as an RF safe- this would be the determination of ex- ty program in a work environment. posure from a device that uses digital (2) Limits for General Population/Un- technology such as a time-division controlled exposure: 0.08 W/kg as aver- multiple-access (TDMA) scheme for aged over the whole-body and spatial transmission of a signal. In general, peak SAR not exceeding 1.6 W/kg as maximum average power levels must averaged over any 1 gram of tissue be used to determine compliance. (defined as a tissue volume in the shape [61 FR 41017, Aug. 7, 1996, as amended at 62 of a cube). Exceptions are the hands, FR 4655, Jan. 31, 1997; 62 FR 9658, Mar. 3, 1997; wrists, feet and ankles where the spa- 62 FR 47967, Sept. 12, 1997; 65 FR 44007, July tial peak SAR shall not exceed 4 W/kg, 17, 2000] as averaged over any 10 grams of tissue (defined as a tissue volume in the shape Subpart K—Importation of Devices of a cube). General Population/Uncon- Capable of Causing Harmful trolled limits apply when the general Interference public may be exposed, or when persons that are exposed as a consequence of § 2.1201 Purpose. their employment may not be fully (a) In order to carry out its respon- aware of the potential for exposure or sibilities under the Communications do not exercise control over their expo- Act and the various treaties and inter- sure. Warning labels placed on con- national regulations, and in order to sumer devices such as cellular tele- promote efficient use of the radio spec- phones will not be sufficient reason to trum, the Commission has developed allow these devices to be evaluated technical standards for radio frequency subject to limits for occupational/con- equipment. The technical standards ap- trolled exposure in paragraph (d)(1) of plicable to individual types of equip- this section. ment are found in that part of the rules (3) Compliance with SAR limits can governing the service wherein the be demonstrated by either laboratory equipment is to be operated. In addi- measurement techniques or by com- tion to the technical standards, the

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rules governing the service may re- addition of cabinets, knobs, speakers, quire that such equipment receive an or similar minor attachments before equipment authorization from the marketing or use. Form 740 informa- Commission as a prerequisite for mar- tion will be required to be submitted keting and importing this equipment for computer circuit boards that are into the U.S.A. The marketing rules, actually peripheral devices as defined § 2.801 et seq., were adopted pursuant to in § 15.3(r) of this chapter and all de- the authority in section 302 of the vices that, by themselves, are subject Communications Act of 1934, as amend- to FCC marketing rules. ed (47 U.S.C. 302). (b) The rules in this section set out [56 FR 26619, June 10, 1991] the conditions under which radio frequency devices as defined in § 2.801 that § 2.1203 General requirement for entry are capable of causing harmful inter- into the U.S.A. ference to radio communications may (a) No radio frequency device may be be imported into the U.S.A. imported into the Customs territory of (c) Nothing in this section prevents the United States unless the importer importers from shipping goods into for- or ultimate consignee, or their des- eign trade zones or Customs bonded ignated customs broker, declares that warehouses, such as is the prescribed the device meets one of the conditions procedure under § 2.1204(a)(5). Radio fre- for entry set out in this section. quency devices capable of causing (b) A separate declaration shall be harmful interference, however, cannot used for each line item in the entry or be withdrawn from these areas except entry summary containing an RF de- in accordance with the provisions of vice, or for each different radio fre- this section. quency device within a line item when [41 FR 25904, June 23, 1976, as amended at 54 the elements of the declaration are not FR 17714, Apr. 25, 1989; 56 FR 26619, June 10, identical. 1991; 57 FR 38286, Aug. 24, 1992] (c) Failure to properly declare the importation category for an entry of § 2.1202 Exclusions. radio frequency devices may result in The provisions of this section do not refused entry, refused withdrawal for apply to the importation of: consumption, required redelivery to (a) Cameras, musical greeting cards, the Customs port, and other adminis- quartz watches and clocks, modules of trative, civil and criminal remedies quartz watches and clocks, hand-held provided by law. calculators and electronic games, and (d) Whoever makes a declaration pur- other similar unintentional radiators suant to § 2.1203(a) must provide, upon which utilize low level battery power request made within one year of the and which do not contain provisions for date of entry, documentation on how operation while connected to AC power an imported radio frequency device was lines. determined to be in compliance with (b) Unintentional radiators which are Commission requirements. exempted from technical standards and other requirements as specified in [56 FR 26619, June 10, 1991; 56 FR 32474, July 16, 1991] § 15.103 of this chapter. (c) Radio frequency devices manufac- § 2.1204 Import conditions. tured and assembled in the U.S.A. that meet applicable FCC technical stand- (a) Radio frequency devices may be ards and which have not been modified imported only if one or more of these or received further assembly. conditions are met: (d) Radio frequency devices pre- (1) The radio frequency device has viously properly imported that have been issued an equipment authoriza- been exported for repair and re-im- tion by the FCC. ported for use. (2) The radio frequency device is not (e) Subassemblies, parts, or compo- required to have an equipment author- nents of radio frequency devices unless ization and the device complies with they constitute an essentially com- FCC technical administrative regula- pleted device which requires only the tions.

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(3) The radio frequency device is under the Commission’s rules and a being imported in limited quantities component (or components) of the for testing and evaluation to determine handset is a foreign standard cellular compliance with the FCC Rules and phone solely capable of functioning Regulations or suitability for mar- outside the U.S. keting. The devices will not be offered (6) The radio frequency device is for sale or marketed. The phrase being imported for use exclusively by ‘‘limited quantities,’’ in this context the U.S. Government. means: (7) Three or fewer radio receivers, (i) 2000 or fewer units, provided the computers, or other unintentional radi- product is designed solely for operation ators as defined in part 15 of this chap- within one of the Commission’s author- ter, are being imported for the individ- ized radio services for which an oper- ual’s personal use and are not intended ating license is required to be issued by for sale. the Commission; or (8) The radio frequency device is (ii) 200 or fewer units for all other being imported for repair and will not products. be offered for sale or marketed. (iii) Prior to importation of a greater number of units than shown above, (9) The radio frequency device is a written approval must be obtained medical implant transmitter inserted from the Chief, Office of Engineering in a person granted entry into the and Technology, FCC. United States or is a medical implant (iv) Distinctly different models of a programmer/controller transmitter as- product and separate generations of a sociated with such an implanted trans- particular model under development mitter, provided, however that the are considered to be separate devices. transmitters covered by this provision (4) The radio frequency device is otherwise comply with the technical being imported in limited quantities requirements applicable to transmit- for demonstration at industry trade ters authorized to operate in the Med- shows and the device will not be offered ical Implant Communications Service for sale or marketed. The phrase under part 95 of this chapter. Such ‘‘limited quantities,’’ in this context transmitters are permitted to be im- means: ported without the issuance of a grant (i) 200 or fewer units, provided the of equipment authorization only for product is designed solely for operation the personal use of the person in whom within one of the Commission’s author- the medical implant transmitter has ized radio services for which an oper- been inserted. ating license is required to be issued by (b) The ultimate consignee must be the Commission; or able to document compliance with the (ii) 10 or fewer units for all other selected import condition and the basis products. for determining the import condition (iii) Prior to importation of a greater applied. number of units than shown above, written approval must be obtained [56 FR 26619, June 10, 1991, as amended at 57 from the Chief, Office of Engineering FR 38286, Aug. 24, 1992; 61 FR 8477, Mar. 5, and Technology, FCC. 1996; 63 FR 31646, June 10, 1998; 64 FR 69929, Dec. 15, 1999; 64 FR 72572, Dec. 28, 1999] (iv) Distinctly different models of a product and separate generations of a § 2.1205 Filing of required declaration. particular model under development are considered to be separate devices. (a) For points of entry where elec- (5) The radio frequency device is tronic filing with Customs has not been being imported solely for export. The implemented, use FCC Form 740 to pro- device will not be marketed or offered vide the needed information and dec- for sale in the U.S., except: larations. Attach a copy of the com- (i) If the device is a foreign standard pleted FCC Form 740 to the Customs cellular phone solely capable of func- entry papers. tioning outside the U.S. (b)(1) For points of entry where elec- (ii) If the device is a multi-mode tronic filing with Customs is available, wireless handset that has been certified submit the following information to

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Customs when filing the entry docu- (STV) system and one copy thereof mentation and the entry summary doc- must be filed by the party who will be umentation electronically. Follow pro- responsible for the conformance of the cedures established by Customs for system with the subscription TV stand- electronic filing. ards specified in part 73 of the Rules. (i) The terms under which the device The application must include informa- is being imported, as indicated by cit- tion to show that the system conforms ing the import condition number speci- to the requirements of § 73.644(b). fied in § 2.1204(a). (b) Advance approval may be applied (ii) The FCC identifier as specified in for and granted in accordance with and § 2.925, if the device has been granted an subject to the following conditions and equipment authorization; limitations: (iii) The quantity of devices being (1) A separate request for each dif- imported, regardless of what unit is ferent technical system must be made specified in the Harmonized Tariff by the applicant in writing. Schedule of the United States; and (2) The applicant must certify that (iv) A commercial product descrip- the application was prepared by or tion which is to include the trade under the direction of the applicant name, a model/type number (or model/ and that the facts set forth are true type name) and other descriptive infor- and correct to the best of the appli- mation about the device being im- cant’s knowledge and belief. ported. (3) The applicant must identify the (2) For importers unable to partici- technical system by a name or type pate in the electronic filing process number and define the system in terms with Customs for good cause, declara- of its technical characteristics; a functions are to be made in accordance tional block diagram must be included. with paragraph (a) of this section. In addition, a complete description of [56 FR 26619, June 10, 1991, as amended at 64 the encoded aural and visual baseband FR 72572, Dec. 28, 1999] and transmitted signals and of the encoding equipment used by the appli- § 2.1207 Examination of imported cant must be supplied. These descrip- equipment. tions must include equipment circuit In order to determine compliance diagrams and photographs, and dia- with its regulations, Commission rep- grams or oscillographs of both resentatives may examine or test any baseband and transmitted aural and radio frequency device that is im- visual signal waveforms and of the sig- ported. If such radio frequency device nal basebands and occupied has already entered the U.S., the ulti- bandwidths. If aural subcarriers are to mate consignee or subsequent owners be used for transmitting aural portion of that device must, upon request, of the subscription program, for de- made within one year of the date of coder control, or for other purposes, a entry, make that device available for full description and specifications of examination or testing by the Commis- the multiplex subcarrier signals and all sion. modulation levels must be included. (4) Preliminary test data must be [56 FR 26620, June 10, 1991] submitted to show system capability with regard to compliance with the cri- Subpart L [Reserved] teria set forth in § 73.644(b). (5) The applicant must identify the Subpart M—Advance Approval of specific requirements of §§ 73.682, 73.687 Subscription TV Transmission and 73.699 (Figures 6 and 7) from which Systems the transmitted signal will normally deviate. ADVANCE APPROVAL PROCEDURE (6) The applicant must specify the method to be used in determining and § 2.1400 Application for advance ap- maintaining the operating power of the proval under part 73. transmitter if the procedures given in (a) An original application for ad- § 73.663 cannot be used due to suppres- vance approval of a subscription TV sion of the synchronizing pulses or for

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other reasons. If the operating power of Subpart N—FCC Procedure for the station must be reduced to accom- Testing Class A, B and S Emer- modate the encoded aural or video sig- gency Position Indicating nal, the operating power limitations Radiobeacons (EPIRBs) must be specified. (7) The applicant must supply any ad- SOURCE: 56 FR 11683, Mar. 20, 1991, unless ditional information and test data re- otherwise noted. quested by the FCC, to show to its sat- isfaction that the criteria given in GENERAL § 73.644(b) are met. (8) The information submitted by the § 2.1501 Introduction. applicant may be subject to check by The procedure described herein sets field tests conducted without expense forth uniform methods for testing to the FCC or, if deemed necessary, at Class A, B and S Emergency Position the laboratory or in the field by FCC Indicating Radiobeacons (EPIRBs) for personnel. This may include the actual compliance with the applicable por- submission of equipment for system tions of the FCC Rules and Regula- tions. Other methods and test results testing under the provisions of § 2.945 of may be used provided they are fully part 2 of the Rules. documented and deemed by the Com- (9) No technical system will be mission to yield results equivalent to deemed approved unless and until the the procedures set forth in this section. FCC has notified the applicant in writing of the approval. Such notification § 2.1503 Test environment. of approval will be by letter to the ap- (a) Measurement sites. Radiated emis- plicant. sion tests for peak effective radiated (10) Approval by the FCC is limited power (PERP), spurious emissions and to a determination that the particular power in the test mode are to be per- technical system (the scheme for en- formed on an open field test site as coding and decoding the subscription shown in Figure 1. The site is to be lo- TV signal) is capable of meeting the cated on level ground with an obstruc- criteria given in § 73.644(b). tion-free, 60 m by 52 m, elliptical area. (11) The FCC will maintain a listing The site is to be equipped with an an- of approved technical systems. tenna mast capable of adjustment from (c) Multichannel sound may be trans- 1 to 4 m. The center of a metal ground mitted for stereophonic or bilingual plane at least one wavelength in di- service with encoded subscription pro- ameter at 121.5 MHz (2.47 m) is to be located 30 m from the receiving antenna. grams provided the technical operating The ground plane is to have provisions specifications for this service are infor mounting removable quarter-wave cluded in the application for advance verticle elements to produce a system approval. monopole antenna at both 121.5 and 243 (d) Subscriber decoder devices must MHz with the VSWR of less than 1.5. comply with any applicable provisions of subpart H, part 15 of the FCC Rules NOTE: It is desirable that the level of radiated ambient EME at the test site be at least for TV interface devices. 6 dB below the FCC limits applicable to the (e) No modifications may be made by EPIRB. It is, of course, not always possible either the applicant or the user of a to meet this condition. If the ambient field system having advance FCC approval strength at some frequencies within the that would change any of the operating specified measurement ranges is too high, it conditions as submitted in the applica- is recommended that one or more of the following corrective steps be employed: tion for advance approval. Should sys- (1) Perform measurements in critical fre- tem modifications be necessary, a new quency bands during hours when broadcast application must be submitted in ac- and other radio stations are off-the-air and cordance with the requirements of this ambients from industrial equipment are section. lower. (2) Insofar as is possible, orient the axis of [48 FR 56391, Dec. 21, 1983] an open area test site to discriminate against strong ambient signals.

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(3) Vary the bandwidth of the measuring table must be capable of varying the instrument to separate ambient EME from frequency of vibration either linearly emissions from the EPIRB. or logarithmically over a range of 4 to (b) Temperature. Except as otherwise 33 Hz with maximum peak amplitudes noted, the ambient temperature during of up to 2.5 mm. testing is to be within the range of 4 to (i) Salt fog chamber. A chamber capa- 35 °C (40 to 95 °F). ble of producing salt fog at a temperature of 35 °C for 48 hours is required. § 2.1505 Test instrumentation and This chamber is to be of sufficient size equipment. to accommodate the EPIRB under test. (a) Receiver (field intensity meter). A (j) Drop test facility. A facility which calibrated field intensity meter (FIM) will permit dropping an EPIRB from a with a frequency range of 30 to 1000 height of 20 m into water is required. MHz is required for measuring radiated The water must be deep enough so that emission levels. This instrument the EPIRB will not touch bottom when should be capable of making peak dropped. measurements with a bandwidth of 100 ENVIRONMENTAL AND OPERATIONAL TEST kHz. PROCEDURES (b) Spectrum analyzer. Spectral measurements are to be made with a spec- § 2.1507 Test frequencies. trum analyzer with a minimum resolu- Testing of an EPIRB for compliance tion bandwidth no greater than 10 Hz. outside a shielded room on a distress The video filter, if used, should have a frequency is prohibited, since this may bandwidth wide enough so as to not af- interfere with emergency communica- fect peak readings. A linear video out- tions. Therefore, all compliance testing put is desirable for performing meas- outside a shielded room should be con- urements of modulation characteris- ducted on one of the pairs of alternate tics. (c) Storage oscilloscope. Measurements frequencies specified below: of modulation characteristics are to be 121.600/243.200 MHz made using a calibrated storage os- 121.650/243.300 MHz cilloscope. This instrument is to be DC 121.700/243.400 MHz coupled and capable of manually trig- 121.750/243.500 MHz 121.800/243.600 MHz gered single sweeps. 121.850/243.700 MHz (d) Frequency counter. A frequency 121.900/243.800 MHz counter with an accuracy of at least 5 parts per million is required for meas- The above frequencies are to be used uring the carrier frequency. for limited testing of EPIRBs for com- (e) Signal generator. A calibrated sig- pliance with FCC Rules, subject to the nal generator with an output of at following conditions: least 75 mW at 121.5 and 243 MHz is re- (a) The testing shall not cause harm- quired for generating a reference signal ful interference to authorized commu- for site calibration. nications on these frequencies. (f) Antenna. Radiated emissions are (b) The testing shall be coordinated to be measured with calibrated, tuned, with the nearest FCC district office. half-wave dipole antennas covering the For simplicity, 121.5 MHz and 243 MHz frequency range of 30 to 1000 MHz. will be used throughout this test proce- (g) Temperature chamber. Tests which dure to indicate the alternate test fre- call for subjecting the EPIRB to tem- quency. perature levels other than the ambient temperature are to be performed in a § 2.1509 Environmental and duration temperature test chamber which can be tests. adjusted to stable temperatures from The environmental and operational ¥20 to +55 °C. This chamber is to be of tests in § 2.1509 (a) through (e) are to be sufficient size to accommodate the conducted on a single test unit in the EPIRB under test. order given below. This sequence of (h) Vibration table. A vibration table tests also includes the electrical tests capable of vibrating the EPIRB with a in §§ 2.1511, 2.1513 and 2.1515 of this part. sinusoidal motion is required. The The test unit is not to be adjusted, nor

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is the battery to be replaced during Step (2) Immediately float the EPIRB in these tests, and a log of battery on- water that is maintained at +25 degrees C or time should be maintained. The above colder. Step (3) After 15 minutes, perform an exte- tests are to be performed on the same rior mechanical inspection and verify oper- test unit. The tests in § 2.1509 (f) ation by turning the unit on and observing through (i) may be run in any sequence the RF power indicator on the unit or moni- or may be performed on separate test toring the transmission with a receiver. units. Record test results. (a) Vibration test. (c) Salt fog test. Step (1) Secure the EPIRB to the vibration Step (1) Place the EPIRB in a salt fog table. The EPIRB is not to be operated and chamber for a period of at least 2 hours at a should not activate while being vibrated. temperature of 35 °C (±2 °C) before exposing it Step (2) Subject the EPIRB to sinusoidal to salt fog. The EPIRB is to be turned off motion parallel to one of the three major or- during this test. thogonal axes under the following condi- Step (2) With the chamber temperature tions: maintained at 35 °C, introduce salt fog at the saturation point for 48 hours. The salt fog is A. Frequency (Hz) Peak amplitude (mm) to be prepared from a 5% (±1%) salt (sodium chloride solution. For detailed guidance on 4–10 2.5 the preparation of the solution and the appa- 10–15 0.8 ratus for generating salt fog, refer to MIL– 15–25 0.4 STD–810D (19 July 1983), method 509.2. 25–33 0.2 Step (3) Upon completion of the salt fog exposure, the EPIRB is to be airdried at room B. The frequency is to be changed either temperature for 12 hours and operation linearly or logarithmically with time be- verified by turning the unit on and observing tween 4 Hz and 33 Hz such that a complete the RF power indicator on the unit or moni- cycle (4 Hz to 33 Hz to 4 Hz) takes approxi- toring the transmission with a receiver. mately 5 minutes. Record observations. C. The EPIRB is to be vibrated for at least 30 minutes or six complete cycles. (d) Drop test. This test is to be per- Step (3) Remount the EPIRB, if necessary, formed on EPIRB which are required or and repeat step 2 for each of the other two intended to float. major orthogonal axes. Step (4) Upon completion of the test, per- Step (1) Turn the EPIRB on, log the time form an exterior mechanical inspection and and drop it three times into water from a verify operation by turning the unit on and height of 20 meters. The water is to be deep observing the RF power indicator on the unit enough so that the EPIRB does not touch or monitoring the transmission with a re- bottom when dropped. Each drop should be ceiver. Record test results. initiated from a different orientation as follows: antenna vertical up; antenna vertical (b) Thermal shock tests. These tests down; antenna horizontal. are to be performed on EPIRBs which Step (2) Upon completion of the drop test, are required or intended to float. an exterior mechanical inspection is to be (1) Low temperature thermal shock test. performed and operation verified by observing the RF power indicator on the unit or Step (1) Place the EPIRB in a temperature monitoring the transmission with a receiver. chamber for at least 3 hours at ¥20 °C or Record observations. Turn the test unit off colder. The EPIRB is not to be operated and log the total on-time. while being cooled. Step (2) Immediately place the EPIRB in (e) Forty-eight hour operational test. water that has been maintained at +10 °C or This test includes the battery life test warmer. and all the electrical tests given in Step (3) After 15 minutes, perform as exte- §§ 2.1511, 2.1513 and 2.1515 of this part, at rior mechanical inspection and verify oper- various temperatures. The tests are to ation by turning the unit on and observing be performed on the same EPIRB in the the RF power indicator on the unit or moni- sequence specified herein. Be sure to toring the transmission with a receiver. record the on-time of the unit during Record test results. each test. No more than 8 hours of (2) High temperature thermal shock test. total on-time is permitted before com- Step (1) Place the EPIRB in a temperature mencing step 4. When operating the chamber for at least 3 hours at +55 degrees C EPIRB in the environmental chamber, or warmer. The EPIRB is not to be operated a non-radiating load may be sub- while being heated. stituted for the antenna provided it is

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electrically equivalent to the standard minimum of 5 cm above the water. antenna and does not reduce the bat- Record the time required for the test tery current drain. unit to right itself. (h) Temperature/frequency test. The Step (1) Perform the radiated emissions test in § 2.1511 of this part. frequency stability shall be measured Step (2) Perform the modulation char- over an ambient temperature from acteristic tests in § 2.1513 of this part. ¥20° to +55 °C at intervals of not more Step (3) Perform the spectral tests in than 10 °C. A period of time sufficient § 2.1515 of this part. to stabilize all of the components of Step (4) With the EPIRB off, place unit in the oscillator circuit at each an environmental chamber at a temperature temperture level shall be allowed prior of ¥20 °C for at least 2 hours. Step (5) With the EPIRB in the chamber, to frequency measurement. repeat the carrier frequency test in § 2.1515(d) Step (1) Place the EPIRB in the environ- of this part. (Leave the EPIRB turned on.) mental test chamber. Step (6) Near the end of 48 hours of total Step (2) Adjust the temperature in the on-time for the EPIRB, repeat the carrier chamber to +20 °C and allow sufficient time frequency test in § 2.1515(d) of this part. for the oscillator to stabilize at that tem- Step (7) At the end of 48 hours of total on- perature. time, remove EPIRB from the chamber and Step (3) Measure the carrier frequency in immediately repeat the PERP test for the accordance with the procedure in § 2.1515(d) fundamental emissions in § 2.1511(c) of this of this part. Record the carrier frequency in part. The unit should be maintained at ¥20 Hertz. The carrier frequency at +20 °C is the °C to the extent possible for this test. reference for determining the frequency tol- (f) Float free and activation test. This erance. test is required only for Class A Step (4) Increase the temperature in the chamber to +55 °C and allow sufficient time EPIRBs. for the oscillator to stabilize at that tem- Step (1) The EPIRB is to be installed in the perature. Measure the carrier frequency automatic release mechanism and the as- using the procedure in § 2.1515(d) of this part. sembly is to be mounted on a fixture simu- Step (5) Reduce the temperature in the lating a deck or bulkhead as per manufac- chamber in 10 °C maximum increments until turer’ installation instructions. ¥20 °C is reached. At each new temperature, Step (2) Submerge the fixture in water in allow sufficient time for the oscillator to its normal mounted orientation. The EPIRB stabilize at that temperature. Measure the must float free before reaching a depth of 4 temperature and frequency in each case and meters and should automatically activate. plot the frequency vs temperature from ¥20° Activation is to be verified by observing the to +55 °C. RF power indicator on the unit or moni- (i) Leakage and immersion test. toring the transmission with a receiver. Step (1) Completely submerge the EPIRB If the EPIRB is equipped with an auto- in water for 48 hours. The EPIRB is to be matically deployable antenna, the an- turned off during this test. tenna must properly deploy during Step (2) Remove the EPIRB from the water each immersion. Record observations. and wipe dry. (g) Stability and buoyancy test. This Step (3) Verify operation by briefly turning test is to be performed on EPIRBs the EPIRB on and observing the RF power which are required or intended to float. indicator on the unit or monitoring the transmission with a receiver. This test is to be conducted in fresh Step (4) Open the EPIRB for examination. water. There is to be no water inside the unit. Step (1) With the antenna deployed in its Record observations. normal operating position, submerge the EPIRB in a horizontal position just below § 2.1511 Measurements of radiated the surface of the water. emissions. Step (2) Release the EPIRB and observe the The Commission’s Rules require that amount of time required for it to come to an the peak efficetive radiated power upright position. It must reach its upright (PERP) of a Class A, B or S EPIRB not position within one second from each position. be less than 75 mW under certain specified conditions. The PERP of an EPIRB The EPIRB must have a reserve buoy- transmitter is determined by com- ancy of at least 5% of its gross weight. paring its level to a reference PERP It must also float upright in calm generated by a standard quarter-wave water with the base of the antenna a monopole antenna located on a one

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wavelength minimum diameter metal maximum radiation, antenna polarization ground plane. The Rules also require and conversion factors, if any, associated that all spurious and harmonic emis- with that reading. sions be attenuated by a specified Step (6) Repeat Step 5 with the EPIRB amount with respect to the reference switch in the test position. Return the PERP. In addition, there is a limit on switch to the normal operation position. the PERP of radiated emissions with Step (7) Rotate the EPIRB 30 degrees and the switch in the test mode. These repeat Steps 5 and 6. Repeat this step for all measurements are to be made in ac- successive 30 degrees segments of a full, 360 degree rotation of the EPIRB. cordance with the following procedure. Step (8) Repeat § 2.1511(b) and Steps 1 (a) General set-up instructions. Meas- through 7 for 243 MHz. urements of radiated electromagnetic Step (9) Compute the peak effective radi- emissions (EME) are to be performed ated power for the maximum level of each on the 30 meter open field test site de- measured emission using the following for- scribed in § 2.1503(a) of this part and on mula: one of the pair of frequencies listed in § 2.1507 of this part. A receiver, tuned   =× −1 dBm meas− dBmref dipole antennas and a calibrated signal PERP 75 log10   generator as described in § 2.1505 of this  10  part are required. The EPIRB should be where: powered by its own internal battery dBmmeas is the measured receiver reading in with its standard antenna attached and dBm, and deployed. dBmref is the reference receiver reading found (b) Set-up for radiated EME tests. in step 2 of § 2.1511(c). Step (1) Place a 121.5 MHz quarter-wave Step (10) Record the PERP in mW. The vertical antenna element at the center of the FCC limit for minimum power in the normal ground plane and connect the output of the operation mode (i.e., with the EPIRB switch calibrated signal generator to the antenna. in the normal operating position) is 75 mW. Step (2) Mount the tuned dipole antenna on The FCC limit for maximum power in the the antenna mast, tune the elements to 121.5 test mode is 0.0001 mW. MHz and connect the antenna to the receiver. Spurious emissions Step (3) After an appropriate warm up, turn the receiver to the frequency of the test Step (11) Reset the signal generator to op- unit, set the detector to peak mode and the erate at 121.5 MHz. bandwidth to 100 kHz. Step (12) For each spurious and harmonic (NOTE: It is sometimes helpful to monitor emission to be measured, retune the receive the receiver audio output with a speaker. antenna to the appropriate frequency and re- The EPIRB signal may be identified by its peat Steps 5 and 7. distinctive modulation.) Step (13) Determine the FCC limit on (c) Radiated EME tests. power for spurious emissions on the frequency of each measured emission as follows: Fundamental emissions-peak effective radiated The rules require that spurious emissions power be attenuated at least 30 decibels below the Step (1) Turn on the signal generator and transmit power level. Therefore, the max- adjust the output to 75 mW at 121.5 MHz. imum received power limit for a spurious Step (2) Vary the antenna height from one emission can be calculated from the formula: to four meters in both vertical and hori- ¥ ¥ zontal polarization. Record the highest re- dBmspur = dBmmeas+AF121.5 AFspurfreq 30 ceiver reading in dBm as the reference level. where: Step (3) Disconnect the signal generator and replace the quarter-wave vertical ele- dBmmeas = measured receiver reading ment on the ground plane with the EPIRB (Section 2.1511(c), step 5). under test. The EPIRB is to be positioned di- AF121.5 = tuned dipole antenna factor at 121.5 rectly on the surface of and in the center of MHz. the metal ground plane. AFspurfreq = tuned dipole antenna factor at Step (4) Activate the EPIRB. spurious freq. Step (5) Vary the receive antenna height Step (14) Record in dB below the funda- from one to four meters in both vertical and mental emissions the level of all spurious horizontal polarization. Record the highest and harmonic emissions within 10 dB of the receiver reading in dBm and the instrument FCC limits. settings, antenna height and direction for

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§ 2.1513 Measurements of modulation Step (3) Measure the maximum voltage characteristics. (Vmax), and the minimum voltage (Vmin) for the cycle. The modulation factor (M) is cal- (a) Set-up. Test of modulation charac- culated from the following formula: teristics are to be performed in an RF shielded room. VV− M = max min Step (1) Place the EPIRB directly on a VV+ metal ground plane, such as the shielded max min room floor. See Figure 2. Step (2) Place a suitable receiving antenna Step (4) Repeat Steps 2 and 3 until the low- at a convenient distance from the EPIRB est modulation factor is found. and connect it to the input of the spectrum Step (5) Record instrument settings and analyzer or receiver to observe the radiated the lowest modulation factor, expressed as a signal from the EPIRB. ratio between 0 and 1. Step (3) Set the spectrum analyzer or re- Step (6) Repeat the above measurements ceiver controls as follows: for 243 MHz. I.F. bandwidth: 300 kHz minimum (d) Modulation duty cycle. Video filter: OFF or as wide as possible Amplitude scale: Linear Step (1) Activate the EPIRB. Frequency: 121.5 MHz Step (2) Trigger the oscilloscope and store Scan width: 0 Hz at least one complete cycle of the audio Step (4) Connect the detected output of the waveform. spectrum analyzer or receiver to the input of Step (3) Measure the period (T) of the the storage oscilloscope. waveform. The period is the time difference Step (5) Set the oscilloscope controls as between the half voltage points at the begin- necessary to allow the demodulated wave- ning and end of one cycle of the waveform. form to be viewed. The input signal is to be See Figure 2. DC coupled. Step (4) Measure the pulse width (tp) of the (b) Measurement of Audio Frequencies. waveform. The pulse width is the time difference between the half voltage points on Step (1) Activate the EPIRB. the rising and falling portions of the wave- Step (2) Trigger the oscilloscope and store form. See Figure 2. at least one complete cycle of the audio Step (5) Calculate the duty cycle (D) as fol- waveform. lows: Step (3) Measure the period (T) of the waveform. The period is the time difference t p between the half voltage points at the begin- D = ning and end of one complete cycle of the T waveform. See Figure 2. Step (6) Repeat Steps 2 through 5 a suffi- Step (4) Calculate the frequency (F), cient number of times to determine the high- where: est and lowest duty cycles. F=1/T. Step (7) Record instrument settings and Step (5) Repeat Steps 2 through 4 until the the highest and lowest duty cycles in per- highest and lowest audio frequencies are cent. found. Step (8) Repeat Steps 1–7 for 243 MHz.

NOTE: The lowest and highest frequencies (e) Sweep repetition rate. may occur several cycles before or after the Step (1) Connect a speaker to the detected transition from low to high frequency.) output of the spectrum analyzer or receiver Step (6) Determine the audio frequency so the audio frequencies are audible. Alter- range (Frange), where: natively, an FM radio tuned to 108 MHz placed in the vicinity of the EPIRB may be Frange=Fhigh¥Flow used. Step (7) Record instrument settings and Step (2) Activate the EPIRB. the lowest and highest audio frequencies. Step (3) Time the number of audio sweeps Record the audio frequency range in Hertz. (N) for a one minute interval. Step (8) Repeat Steps 1–7, above, for 243 Step (4) Calculate the audio sweep rate (R) MHz. using R=N/60. (c) Modulation factor. Step (5) Record instrument settings and the sweep repetition rate in Hertz. Step (1) Activate the EPIRB. Step (2) Trigger the oscilloscope and store § 2.1515 Spectral measurements. at least one complete cycle of the audio waveform. The input signal is to be DC cou- (a) Set-up. Spectral measurements pled or erroneous results will be obtained. are to be performed in a shielded room.

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Step (1) Place the EPIRB directly on a trum analyzer. Adjust location of receiving metal ground plane, such as the shielded antenna and spectrum analyzer controls to room floor. The EPIRB should be powered by obtain a suitable signal level (i.e., a level its own internal battery with its standard which will not overload the analyzer, but is antenna attached and deployed. far enough above the noise floor to allow Step (2) Place a suitable receiving antenna sidebands at least 40 dB below the carrier to at a convenient distance from the EPIRB be viewed). and connect it to the input of the spectrum Step (2) Set the spectrum analyzer controls analyzer to observe the radiated signal from as follows: the EPIRB. A signal generator and frequency I.F. bandwidth: 10 kHz counter capable of operating at 121.5 and 243 Video filter: OFF or as wide as possible MHz are also required for these tests. Scan time: 100 ms./div. (b) Occupied bandwidth test. Amplitude scale: 5 dB/div. Scan width: 10 kHz/div. Step (1) Activate the EPIRB and observe Center frequency: 121.5 MHz the fundamental frequency on a spectrum Step (3) Record the amplitude in dBm. analyzer. Adjust location of receiving an- Step (4) Calculate the total power output tenna and spectrum analyzer controls to ob- by adding 10 log(D), where D is the modula- tain a suitable signal level (i.e., a level tion duty cycle determined in § 2.1513(d) of which will not overload the spectrum ana- this part, to the recorded signal level. lyzer, but is far enough above the noise floor Step (5) Set the spectrum analyzer controls to allow determination of whether or not the as follows: sidebands are attenuated by at least the amount required in the rules). I.F. bandwidth: 60 Hz or less Step (2) Set spectrum analyzer controls as Video filter: OFF or as wide as possible follows: Scan time: 10 sec./div. Amplitude scale: 5 dB/div. I.F. bandwidth: 10 kHz Video filter: OFF or as wide as possible Scan width: 20 Hz/div. Scan time: 100 ms./div. Center frequency: 121.5 MHz Amplitude scale: 10 dB/div. Step (6) Measure and record the carrier Scan width: 20 Hz/div. power dBm as displayed on the spectrum an- Center frequency: 121.5 MHz alyzer. Step (3) Record the signal level in dbm. Step (7) Calculate the ratio of carrier Step (4) Calculate the mean power ref- power to total power from Steps 4 and 6 using the following formula: erence level by adding 10 log10 (D), where D is the modulation duty cycle determined in  −  section 2.1513(d) of this part, to the recorded carrier power = −1 dBcT dB signal level. log10   Step (5) Set spectrum analyzer controls as total power  10 

follows: dBC = carrier power in step 6 I.F. bandwidth: 100 Hz dBT = total power in step 4 Video filter: OFF or as wide as possible Step (8) Record instrument settings, sam- Scan time: 10 sec./div. ple calculation and the percent of power Amplitude scale: 10 dB/div. within ≤30 Hz at 121.5 MHz or ≤60 Hz at 243 Scan width: 20 kHz/div. MHz of the carrier frequency. Step (6) Check the modulation sidebands Step (9) Repeat the above measurement for compliance with the required attenuation Steps 1 through 8 for 243 MHz. For the higher below the mean power reference level speci- frequency, the I.F. bandwidth in step 5 must fied in § 80.211 of the rules. be 120 Hz or less. Step (7) Record how the test was performed, instrument settings and the occu- (d) Carrier frequency test. The setup pied bandwidth in kHz and the 3 dB band- specified in § 2.1515(a) is to be used in width of the carrier in Hz. (See § 2.1517 of this measuring the carrier frequency. part). Step (8) Repeat Steps 1 through 7 for the Step (1) Activate the EPIRB and locate the signal at 243 MHz. 121.5 MHz signal on the spectrum analyzer. Adjust location of receiving antenna and (c) Signal enhancement test. The setup spectrum analyzer controls to obtain a suit- specified in § 2.1515(a) is to be used in able signal level. this method of measuring signal en- Step (2) Set the spectrum analyzer controls hancement. Other methods may be as follows: used if shown to give results equivalent I.F. bandwidth: 100 Hz to or more accurate than this method. Video filter: OFF or as wide as possible Scan time: 10 sec./div. Step (1) Activate the EPIRB and locate the Amplitude scale: 10 dB/div. carrier frequency at 121.5 MHz on the spec- Scan width: 20 Hz/div.

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Center frequency: 121.5 MHz (c) A description of the instrumenta- Step (3) Combine the output of the signal tion and equipment, including anten- generator with the EPIRB signal at the nas, used to perform the tests. For pur- input to the spectrum analyzer. chased equipment, the type, manufac- Step (4) Adjust amplitude and frequency of signal generator output to determine center turer and model number are generally of carrier frequency component. sufficient as a description. Step (5) Measure signal generator fre- (d) The test results and associated quency with frequency counter with accu- comparative information. racy of 5 PPM or better and record as carrier (e) A description of any modifica- frequency. Step (6) If applicable, change the type of tions made to the EUT or other system modulation of the EPIRB and record the components during the testing. shift in carrier frequency as observed on the (f) A description and justification of spectrum analyzer display. all deviations from the procedures de- Step (7) Repeat the above measurement Steps 1 through 6 for 243 MHz. scribed herein. (g) The name and qualifications of [56 FR 11683, Mar. 20, 1991; 60 FR 47302, Sept. the person responsible for the tests. 12, 1995] (h) The date the tests were per- DATA RECORDING/REPORTING formed. REQUIREMENTS (i) A statement signed by the individual responsible for the test that the § 2.1517 Data recording/reporting re- EPIRB as tested complies or does not quirements. comply with the applicable FCC rules. The test report for an EPIRB shall (j) A statement signed by the indi- contain the following information: vidual responsible, either directly or (a) Specific identification, including indirectly, for production or marketing the FCC ID, model and serial numbers, of the device tested that the unit test- of the EPIRB under test. (b) The name and location of the test ed is representative of the equipment sites used for the measurements. that all be marketed.

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PART 3—AUTHORIZATION AND AD- 3.28 Denial of privilege. MINISTRATION OF ACCOUNTING 3.29 Notifications. AUTHORITIES IN MARITIME AND SETTLEMENT OPERATIONS MARITIME MOBILE-SATELLITE 3.40 Operational requirements. RADIO SERVICES 3.41 Amount of time allowed before initial settlements. GENERAL 3.42 Location of processing facility. 3.43 Applicable rules and regulations. Sec. 3.44 Time to achieve settlements. 3.1 Scope, basis, purpose. 3.45 Amount of charges. 3.2 Terms and definitions. 3.46 Use of gold francs. 3.47 Use of SDRs. ELIGIBILITY 3.48 Cooperation with the Commission. 3.10 Basic qualifications. 3.49 Agreement to be audited. 3.11 Location of settlement operation. 3.50 Retention of settlement records. 3.51 Cessation of operations. APPLICATION PROCEDURES 3.52 Complaint/inquiry resolution proce- 3.20 Application form. dures. 3.21 Order of consideration. 3.53 FCC notification of refusal to provide 3.22 Number of accounting authority identi- telecommunications service to U.S. reg- fication codes per applicant. istered vessel(s). 3.23 Legal applicant. 3.54 Notification of change in address. 3.24 Evidence of financial responsibility. REPORTING REQUIREMENTS 3.25 Number of copies. 3.26 Where application is to be mailed. 3.60 Reports. 3.27 Amended application. 3.61 Reporting address.

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