Federal Communications Commission § 90.103

§ 90.103. Provisions for the Location and RADIOLOCATION SERVICE FREQUENCY TABLE— Monitoring Service (LMS) are con- Continued tained in subpart M of this part. Frequency or band Class of station(s) Limitation [60 FR 15252, Mar. 23, 1995] 5350 to 5460 ...... do ...... 10, 14 5460 to 5470 ...... do ...... 10, 15 § 90.103 Radiolocation Service. 5470 to 5600 ...... do ...... 10, 11 (a) Eligibility. The following persons 5600 to 5650 ...... do ...... 10, 16 8500 to 9000 ...... do ...... 12, 17 are eligible for authorizations in the 9000 to 9200 ...... do ...... 10, 14 Radiolocation Service to operate sta- 9200 to 9300 ...... do ...... 12 tions to determine distance, direction, 9300 to 9500 ...... do ...... 10, 15, 18 speed, or position by means of radio- 9500 to 10,000 ...... do ...... 12 10,000 to 10,500 ...... do ...... 12, 13, 19 location devices, for purposes other 10,500 to 10,550 ...... do ...... 20, 22, 24 than navigation: 13,400 to 13,750 ...... do ...... 12 (1) Any person engaged in a commer- 13,750 to 14,000 ...... do ...... 31 15,700 to 17,700 ...... do ...... 12 cial, industrial, scientific, educational, 24,050 to 24,250 ...... do ...... 12, 22, 24 or local government activity 33,400 to 36,000 ...... do ...... 12 (2) A corporation or association that will furnish radiolocation service to (c) Explanation of assignment limita- other persons. tions appearing in the frequency table (3) A corporation that will furnish a of paragraph (b) of this section: nonprofit radio communication service (1) This frequency band is shared to its parent corporation, to another with and stations operating in this fre- subsidiary of the same parent, or to its quency band in this service are on a own subsidiary where the party to be secondary basis to stations licensed in served is regularly engaged in any of the International Fixed Service and the eligibility activities set forth in the Maritime Mobile Service. this paragraph. (2) This frequency band is shared (b) Frequencies available. The fol- with and stations operating in this fre- lowing table indicates frequencies quency band in this service are on a available for assignment to stations in secondary basis to the LORAN Naviga- the Radiolocation Service, together tion System; all operations are limited with the class of station(s) to which to radiolocation lands stations in ac- they are normally assigned, and the cordance with footnote US104, § 2.106 of specific assignment limitations, which this chapter. are explained in paragraph (c) of this (3) [Reserved] section: (4) The non-Federal Government radiolocation service in this band is on RADIOLOCATION SERVICE FREQUENCY TABLE a secondary basis to stations in the aeronautical radionavigation service Frequency or band Class of station(s) Limitation operating on 1708 kHz. Kilohertz (5) Station assignments on frequencies in this band will be made sub- 70 to 90 ...... Radiolocation land or 1 ject to the conditions that the max- mobile. imum output power shall not exceed 90 to 110 ...... Radiolocation land ...... 2 110 to 130 ...... Radiolocation land or 1 375 watts and the maximum authorized mobile. bandwidth shall not exceed 2 kHz. 1705 to 1715 ...... do ...... 4, 5, 6 (6) Because of the operation of sta- 1715 to 1750 ...... do ...... 5, 6 1750 to 1800 ...... do ...... 5, 6, 7 tions having priority on the same or 1900 to 1950 ...... do ...... 6, 25, 26, adjacent frequencies in this or in other 27, and 30 countries, frequency assignments in 1950 to 2000 ...... do ...... 6, 25, 27, and 30 this band may either be unavailable of 3230 to 3400 ...... do ...... 6, 8 may be subject to certain technical of Megahertz operational limitations. Therefore, ap- 420 to 450 ...... do ...... 21 plications for frequency assignments in 2450 to 2500 ...... do ...... 9, 22, 23 this band shall include information 2900 to 3100 ...... do ...... 10, 11 concerning the transmitter output 3100 to 3300 ...... do ...... 12 power; the type and directional charac- 3300 to 3500 ...... do ...... 12, 13 3500 to 3650 ...... do ...... 12 teristics of the antenna and the min- 5250 to 5350 ...... do ...... 12 imum hours of operation (GMT).

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(7) This band is shared with the Dis- frequency allocations contained in aster Communications Service (part 99) § 2.106 of this chapter. and operations are on a secondary basis (9) This band is allocated to the to that service between local sunset Radiolocation Service on a secondary and local sunrise, or at any time dur- basis to other fixed or mobile services ing an actual or imminent disaster. and must accept any harmful inter- Local sunrise and sunset times shall be ference that may be experienced from derived from the 1946 American Nau- such services or from the industrial, tical Almanac. Each frequency assign- scientific, and medical (ISM) equipment in this band is on an exclusive ment operating in accordance with basis within the daytime primary serv- part 18 of this chapter. In the 2483.5– ice area to which assigned. The day- 2500 MHz band, no applications for new time primary service area is the area or modification to existing stations to where the signal intensities are ade- increase the number of transmitters quate for radiolocation purposes during will be accepted. Existing licensees as the hours from sunrise to sunset from of July 25, 1985, or on a subsequent date all stations in the radiolocation system following as a result of submitting an of which the station in question is a application for license on or before part; that is, the primary service area of the station coincides with the pri- July 25, 1985, are grandfathered and mary service area of the system. The their operation is co-primary with the normal minimum geographical separa- Radiodetermination Satellite Service. tion between stations of different li- (10) Speed measuring devices will not censees shall be at least 580 km. (360 be authorized in this band. mi.) when the stations are operated on (11) This frequency band is shared the same frequency or on different fre- with and is on a secondary basis to the quencies separated by less than 3 kHz. Maritime Radionavigation Stations Where geographical separation of less (part 80) and to the Government Radio- than 580 km. (360 mi.) is desired under location Service. these circumstances it must be shown (12) This frequency is shared with and that the desired separation will result is on a secondary basis to the Govern- in protection ratio of at least 20 deci- ment Radiolocation Service. bels throughout the daytime primary (13) Operations in this band are lim- service area of other stations. Applica- ited to survey operations using trans- tions in this band are placed on public mitters with a peak power not to ex- notice in accordance with § 1.962 of this ceed 5 watts into the antenna. chapter. Where the number of appli- (14) This frequency band is shared cants requesting authority to serve an with and is on a secondary basis to the area exceeds the number of frequencies Aeronautical Radionavigation Service available for assignment; or where it (part 87) and to the Government Radio- appears that fewer applicants or licens- location Service. ees than the number before it should be (15) The non-Government Radio- given authority to serve a particular location Service in this band is sec- area; or where it appears that an appli- ondary to the Maritime Radio- cant, either directly or indirectly, navigation Stations (part 80), the Aero- seeks to use more than 25 kHz of the nautical Radionavigation Service (part available spectrum space in this band, 87) and the Government Radiolocation the applications may be designated for hearing. Service. (8) Frequencies in this band may only (16) This frequency band is shared be assigned to radiolocation stations with and is on a secondary basis to the which are also assigned frequencies in Maritime Radionavigation Stations the 1605–1800 kHz band, provided the (part 80) and the Government Meteoro- use of frequencies in this band is nec- logical Aids Service. essary for the proper functioning of the (17) Operation in this frequency band particular radiolocation system. Oper- is on a secondary basis to airborne ations in this band are on a secondary Doppler radars at 8800 MHz. basis to stations operating in accord- (18) Radiolocation installations will ance with the Commission’s table of be coordinated with the Government

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Meteorological Aids Service, and inso- than 50,000 microvolts per meter at 30 far as practicable, will be adjusted to meters, on a fundamental frequency, meet the needs of that service. will not be licensed or certificated for (19) Operations in this band are on a use under this part. Such equipment secondary basis to the Amateur Radio must comply with the requirements for Service (part 97). Pulsed emissions are field disturbance sensors as set forth in prohibited. part 15 of this chapter. (20) This band is restricted to radio- (24) Devices designed to operate as location systems using type N0N emis- field disturbance sensors on fre- sion with a power not to exceed 40 quencies between 10,500 and 10,550 MHz watts into the antenna. and between 24,050 and 24,250 MHz, with (21) Non-Government radiolocation field strength equal to or less than stations in the band are secondary to 250,000 microvolts per meter at 30 me- the Government Radiolocation Service, ters, on the fundamental frequency, the Amateur Radio Service and the will not be licensed or certificated for Amateur-Satellite Service. Pulse-rang- use under this part. Such equipment ing radiolocation stations in this band must comply with the requirements for may be authorized along the shorelines field disturbance sensors as set forth in of Alaska and the contiguous 48 states. part 15 of this chapter. Radiolocation stations using spread (25) Station assignments on fre- spectrum techniques may be author- quencies in this band will be made sub- ized in the band 420–435 MHz for oper- ject to the conditions that the max- ation within the contiguous 48 states imum output power shall not exceed and Alaska. Also, stations using spread 375 watts and the maximum authorized spectrum techniques shall be limited bandwidth shall not exceed 1.0 kHz. to a maximum output power of 50 (26) Each frequency assignment in watts, shall be subject to the applica- this band is on an exclusive basis with- ble technical standards in § 90.209 until in the primary service area to which such time as more definitive standards assigned. The primary service area is are adopted by the Commission and the area where the signal intensities shall identify in accordance with are adequate for radiolocation purposes § 90.425(c)(3). Authorizations will be from all stations in the radiolocation granted on a case-by-case basis; how- system of which the station in question ever, operations proposed to be located is a part; that is, the primary service within the zones set forth in § 90.177(e) area of the station coincides with the should not expect to be accommodated. primary service area of the system. (22) For frequencies 2455 MHz, 10,525 The normal minimum geographical MHz, and 24,125 MHz, only separation between stations of dif- unmodulated, continuous wave (NON) ferent licensees shall be at least 1931 emission shall be employed. The fre- km (1200 miles) when the stations are quency 24.10 GHz, and frequencies in operated on the same frequency or on the 24.20–24.25 GHz band may use NON different frequencies separated by less emission along with an ancillary FM than 1.0 kHz. Where geographical sepa- digital emission. The frequency 24.10 ration of less than 1931 km (1200 miles) GHz will be used for the purpose of is requested under these cir- alerting motorists of hazardous driving cumstances, it must be shown that the conditions and the presence of emer- desired separation will result in a pro- gency vehicles. Equipment operating tection ratio of at least 20 decibels on 24.10 GHz must keep the deviation of throughout the primary service area of the FM digital signal within ± 5 MHz. other stations. Equipment operating on this frequency (27) Notwithstanding the bandwidth must have a frequency stability of at limitations otherwise set forth in this least 2000 ppm and is exempt from the section of the rules, wideband systems requirements of §§ 90.403(c), 90.403(f), desiring to operate in this band may and 90.429 of this part. use such bandwidth as is necessary for (23) Devices designed to operate as proper operation of the system pro- field disturbance sensors on fre- vided that the field strength does not quencies between 2450 and 2500 MHz exceed 120 microvolts per meter per with a field strength equal to or less square root Hertz (120 uv/m/Hz1⁄2) at 1.6

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km (1 mile). Such wideband operations Subpart G—Applications and shall be authorized on a secondary Authorizations basis to stations operating within otherwise applicable technical standards. § 90.111 Scope. Applications for wideband systems in This subpart supplements Title 47, this band will be accepted beginning chapter 1, subpart F of the Code of Fed- December 15, 1985. eral Regulations which establishes the (28) Until July 1, 1988, this band will requirements and conditions under be available only for licensees of exist- which commercial and private radio ing systems operating in the 1605–1705 stations may be licensed and used in kHz portion of the 1605–1715 kHz band the Wireless Telecommunications requesting modification of their au- Services. The provisions of this subpart thorizations to change frequencies to contain additional pertinent informa- this band and for licensees of wideband tion for current and prospective licens- systems. On July 1, 1988, requests for ees specific to the services governed by new station authorizations in this band this part 90. will be accepted and, if necessary, will [63 FR 68963, Dec. 14, 1998] be subject to the random selection pro- cedures outlined in § 1.972 of the Com- § 90.115 Foreign government and alien mission’s Rules. eligibility. (29) This frequency band is shared (a) No station authorization in the with and is on secondary basis to the radio services governed by this part Fixed-Satellite Service and to the Gov- shall be granted to or held by a foreign ernment’s Radiolocation, Space Re- government or its representative. search and Earth Exploration-Satellite (b) No station authorization in the Services. After January 1, 2000, the radio services governed by this part Government’s Space Research and shall be granted to or held by an entity Earth Exploration-Satellite Services providing or seeking to provide com- shall operate on a co-equal secondary mercial mobile radio services (except basis with the non-Government Radio- such entities meeting the requirements location Service, except that grand- of § 20.9(c) of this chapter) if such enti- fathered space stations in the Tracking ty is: and Data Relay Satellite System shall (1) An alien or the representative of continue to be protected from harmful any alien; interference. (2) A corporation organized under the (d) Other additional frequencies avail- laws of any foreign government; able. Radiolocation stations in this (3) A corporation of which more than service may be authorized, on request, one-fifth of the capital stock is owned to use frequencies allocated exclusively of record or voted by aliens or their to Federal Government stations, in representatives or by a foreign govern- those instances where the Commission ment or representative thereof, or by finds, after consultation with the ap- any corporation organized under the laws of a foreign country; propriate Government agency or agen- cies, that such assignment is necessary (4) A corporation directly or indirectly controlled by any other corpora- or required for coordination with Gov- tion of which more than one-fourth of ernment activities. the capital stock is owned of record or [43 FR 54791, Nov. 22, 1978] voted by aliens, their representatives, or by a foreign government or rep- EDITORIAL NOTE: For FEDERAL REGISTER ci- resentative thereof, or by any corpora- tations affecting § 90.103, see the List of CFR Sections Affected, which appears in the tion organized under the laws of a for- Finding Aids section of the printed volume eign country, if the Commission finds and on GPO Access. that the public interest will be served by the refusal or revocation of such license. [59 FR 59957, Nov. 21, 1994, as amended at 61 FR 55581, Oct. 28, 1996]

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