250 Subpart A—General Information
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§ 90.1 47 CFR Ch. I (10±1±96 Edition) 90.909 License grant, denial, default, and proceedings, and rule making proceed- disqualification for spectrum blocks A, ings; procedures for reconsideration B, and C. and review of the Commission's ac- 90.910 Installment payments for licenses for spectrum blocks A, B, and C. tions; provisions concerning violation 90.911 Procedures for partitioned licenses in notices and forfeiture proceedings; and spectrum blocks A, B, and C. the environmental processing require- 90.912 Definitions for spectrum blocks A, B, ments that, if applicable, must be com- and C. plied with prior to initiating construc- 90.913 Eligibility for small business status tion. for spectrum blocks A, B, and C. (c) Part 2 contains the table of fre- AUTHORITY: Secs. 4, 251±2, 303, 309, and 332, quency allocations and special require- 48 Stat. 1066, 1082, as amended; 47 U.S.C. 154, ments in International regulations, 251±2, 303, 309 and 332, unless otherwise noted. agreements, and treaties. This part SOURCE: 43 FR 54791, Nov. 22, 1978, unless also contains standards and procedures otherwise noted. concerning marketing of radio fre- quency devices, and for obtaining Subpart AÐGeneral Information equipment type acceptance and type approval. § 90.1 Basis and purpose. (d) Part 5 contains standards and pro- (a) Basis. The rules in this part are cedures for obtaining experimental au- promulgated under Title III of the thorizations. Communications Act of 1934, as amend- (e) Part 15 provides for the operation ed which vests authority in the Federal of incidental and restricted radio fre- Communications Commission to regu- late radio transmission and to issue li- quency devices that do not require an censes for radio stations. All rules in individual license. this part are in accordance with appli- (f) Part 17 contains detailed require- cable treaties and agreements to which ments for construction, marking, and the United States is a party. lighting of antenna towers. (b) Purpose. This part states the con- (g) Part 18 deals with the operation ditions under which radio communica- of industrial, scientific, and medical tions systems may be licensed and used (ISM) devices that are not intended for in the Public Safety, Special Emer- radio communication, gency, Industrial, Land Transpor- (h) Part 20 of this chapter contains tation, and Radiolocation Radio Serv- rules relating to commercial mobile ices. These rules do not govern radio radio services. systems employed by agencies of the (i) Part 20 of this chapter which gov- Federal Government. erns commercial mobile radio service applicable to certain providers in the § 90.5 Other applicable rule parts. following services in this part: Other Commission rule parts of im- (1) Business radio service; portance that may be referred to with (2) Private paging; respect to licensing and operations in (3) Land mobile service on 220±222 radio services governed under this part MHz; include the following: (4) Specialized Mobile Radio Service. (a) Part 0 of the Commission's Rules describes the Commission's organiza- (j) Part 22 contains regulations for tion and delegations of authority. This public (common carrier) mobile radio part also lists available Commission services. publications, and standards and proce- (k) Part 51 contains rules relating to dures for access to Commission interconnection. records, and location of Commission (l) Part 68 contains technical stand- Field Offices. ards for connection of private land mo- (b) Part 1 of this chapter includes bile radio equipment to the public rules of practice and procedure for ap- switched telephone network. plication signature requirements, adju- (m) Part 94 governs licensing and op- dicatory proceedings including hearing eration of private operational-fixed 250 VerDate 10-JAN-97 14:07 Jan 17, 1997 Jkt 167186 PO 00000 Frm 00250 Fmt 8010 Sfmt 8010 E:\CFR\167186.035 167186 Federal Communications Commission § 90.7 radio stations on frequencies in the Las Marias, Maricao, Maunabo, Maya- microwave spectrum above 928 MHz. guez, Moca, Patillas, Penuelas, Ponce, Quebradillas, Rincon, Sabana Grande, [43 FR 54791, Nov. 22, 1978, as amended at 50 FR 39677, Sept. 30, 1985; 55 FR 20398, May 16, Salinas, San German, Santa Isabel, 1990; 58 FR 21407, Apr. 21, 1993; 59 FR 18499, Villalba, and Yauco. The San Juan Apr. 19, 1994; 59 FR 59957, Nov. 21, 1994; 61 FR BTA-like service area consists of all 45635, Aug. 29, 1996] other municipios in Puerto Rico. Carrier frequency. The frequency of an § 90.7 Definitions. unmodulated electromagnetic wave. Antenna height above average terrain Channel loading. The number of mo- (AAT). Height of the center of the radi- bile transmitters authorized to operate ating element of the antenna above the on a particular channel within the average terrain. (See § 90.309(a)(4) for same service area. calculation method.) Control point. Any place from which a Antenna height above sea level. The transmitter's functions may be con- height of the topmost point of the an- trolled. tenna above mean sea level. Control station. An Operational Fixed Structure on Antenna structure. Station, the transmissions of which are which an antenna is mounted. used to control automatically the Assigned frequency. Center of a fre- emissions or operation of another radio quency band assigned to a station. station at a specified location. Assigned frequency band. The fre- quency band the center of which coin- Conventional radio system. A method cides with the frequency assigned to of operation in which one or more radio the station and the width of which frequency channels are assigned to mo- equals the necessary bandwidth plus bile and base stations but are not em- twice the absolute value of the fre- ployed as a trunked group. An ``urban- quency tolerance. conventional system'' is one whose Authorized bandwidth. The frequency transmitter site is located within 24 band, specified in kilohertz and cen- km (15 miles) of the geographic center tered on the carrier frequency contain- of any of the first 50 urbanized areas ing those frequencies upon which a (ranked by population) of the United total of 99 percent of the radiated States. A ``sub-urban-conventional sys- power appears, extended to include any tem'' is one whose transmitter site is discrete frequency upon which the located more than 24 km (15 miles) power is at least 0.25 percent of the from the geographic center of the first total radiated power. 50 urbanized areas. See Table 21, Rank Average terrain. The average ele- of Urbanized Areas in the United vation of terrain between 3.2 and 16 km States by Population, page 1±87, U.S. (2 and 10 miles) from the antenna site. Census (1970); and table 1 of § 90.635. Base station. A station at a specified Developmental operation. A specially site authorized to communicate with licensed operation for the purpose of mobile stations. testing concepts in the use of radio ap- Basic trading areas. Service areas that propriate to the radio services gov- are based on the Rand McNally 1992 erned by this part. Commercial Atlas & Marketing Guide, Dispatch point. Any place from which 123rd Edition, at pages 38±39, with the radio messages can be originated under following additions licensed separately the supervision of a control point. as BTA-like areas: American Samoa; EA-based or EA license. A license au- Guam, Northern Mariana Islands; Ma- thorizing the right to use a specified yaguez/Aguadilla-Ponce, Puerto Rico; block of SMR spectrum within one of San Juan, Puerto Rico; and the United the 175 Economic Areas (EAs) as de- States Virgin Islands. The Mayaguez/ fined by the Department of Commerce Aguadilla-Ponce BTA-like service area Bureau of Economic Analysis. The EA consists of the following municipios: Listings and the EA Map are available Adjuntas, Aguada, Aguadilla, Anasco, for public inspection at the Wireless Arroyo, Cabo Rojo, Coamo, Guanica, Telecommunications Bureau's public Guayama, Guayanilla, Hormigueros, reference room, Room 5608, 2025 M St. Isabela, Jayuya, Juana Diaz, Lajas, NW., Washington, DC 20554 and Office 251 VerDate 10-JAN-97 14:07 Jan 17, 1997 Jkt 167186 PO 00000 Frm 00251 Fmt 8010 Sfmt 8010 E:\CFR\167186.036 167186 § 90.7 47 CFR Ch. I (10±1±96 Edition) of OperationsÐGettysburg, 1270 Fair- other authorized persons for transmit- field Road, Gettysburg, PA 17325. ter control (including dial-up transmit- Economic Areas (EAs). A total of 175 ter control circuits) or as an integral licensing regions based on the United part of an authorized, private, internal States Department of Commerce Bu- system of communication or as an in- reau of Economic Analysis Economic tegral part of dispatch point circuits in Areas available from the Bureau of a private land mobile radio station are Economic Analysis at (202±606±3700) de- not considered to be interconnection fined as of February 1995, with the fol- for purposes of this rule part. lowing exceptions: Internal System. An internal system (1) Guam and Northern Mariana Is- of communication is one in which all lands are licensed as a single EA-like messages are transmitted between the area. fixed operating positions located on (2) Puerto Rico and the U.S. Virgin premises controlled by the licensee and Islands are licensed as a single EA-like the associated mobile stations or pag- area. ing receivers of the licensee. (See sub- (3) American Samoa is licensed as a part O). single EA-like area. Itinerant Operation. Operation of a Effective radiated power (ERP). The radio station at unspecified locations power supplied to an antenna multi- for varying periods of time. plied by the relative gain of the an- Land mobile radio service. A mobile tenna in a given direction. service between base stations and land Fixed relay station.