§ 90.101 47 CFR Ch. I (10±1±96 Edition) with an authorized bandwidth not to Subpart FÐRadiolocation Service exceed 6 kHz. (21) Assignment of frequencies in this § 90.101 Scope. band are subject to the provisions of The Radiolocation Service accommo- § 90.173 dates the use of radio methods for de- (22) This frequency will be authorized termination of direction, distance, a channel bandwidth of 25 kHz. speed, or position for purposes other (23) This frequency is available for than navigation. Rules as to eligibility systems first licensed prior to August for licensing, permissible communica- 18, 1995. No new systems will be author- tions, frequency available, and any spe- ized after August 18, 1995, but prior au- cial requirements are set forth in thorized systems may be modified, ex- § 90.103. Provisions for the Location and panded, and renewed. Monitoring Service (LMS) are con- (e) Limitation on number of frequencies tained in subpart M of this part. assignable. Normally only one fre- [60 FR 15252, Mar. 23, 1995] quency, or pair of frequencies in the paired frequency mode of operation, § 90.103 Radiolocation Service. will be assigned for mobile service op- (a) Eligibility. The following persons erations by a single applicant in a are eligible for authorizations in the given area. The assignment of an addi- Radiolocation Service to operate sta- tional frequency or pair of frequencies tions to determine distance, direction, will be made only upon a satisfactory speed, or position by means of radio- showing of need, except that: (See also location devices, for purposes other § 90.253.) than navigation: (1) [Reserved] (1) Any person engaged in a commer- (2) Frequencies in the 25±50 MHz, 150± cial, industrial, scientific, educational, 170 MHz, 450±512 MHz and 902±928 MHz or local government activity bands may be assigned for the oper- (2) A corporation or association that ation of Location and Monitoring Serv- will furnish radiolocation service to ice (LMS) systems in accordance with other persons. the provisions of subpart M of this (3) A corporation that will furnish a part, notwithstanding this limitation. nonprofit radio communication service to its parent corporation, to another (3) The frequency band 33.00±33.01 subsidiary of the same parent, or to its MHz may be used for developmental own subsidiary where the party to be operation subject to the provisions of served is regularly engaged in any of subpart Q. Any type of emission other the eligibility activities set forth in than pulsed emission may be used if this paragraph. the bandwidth occupied by the emis- (b) Frequencies available. The follow- sion is contained within the assigned ing table indicates frequencies avail- frequency band. able for assignment to stations in the (f) In addition to the frequencies Radiolocation Service, together with shown in the frequency table of this the class of station(s) to which they section, frequencies in the 421±430 MHz are normally assigned, and the specific band are available in the Detroit, assignment limitations, which are ex- Cleveland, and Buffalo areas in accord- plained in paragraph (c) of this section: ance with the rules in §§ 90.273 through 90.281. Radiolocation Service Frequency Table (Secs. 4(i) and 303(r), Communications Act of Frequency or band Class of station(s) Limitation 1934, as amended, §§ 0.131 and 0.331 of the Kilohertz: Commission's Rules and 5 U.S.C. 553 (b)(3)(B) 70 to 90 ................... Radiolocation land or 1 and (d)(3); 47 U.S.C. 154(i) and 303) mobile. 90 to 110 ................. Radiolocation land ...... 2 [43 FR 54791, Nov. 22, 1978] 110 to 130 ............... Radiolocation land or 1 mobile. EDITORIAL NOTE: For FEDERAL REGISTER ci- 1605 to 1715 ........... ......do ......................... 4, 5, 6, 28, tations affecting § 90.95, see the List of CFR and 29. Sections Affected in the Finding Aids sec- 1715 to 1750 ........... ......do ......................... 5, 6 tion of this volume. 1750 to 1800 ........... ......do ......................... 5, 6, 7 416 VerDate 10-JAN-97 14:07 Jan 17, 1997 Jkt 167186 PO 00000 Frm 00416 Fmt 8010 Sfmt 8010 E:\CFR\167186.041 167186 Federal Communications Commission § 90.103 Radiolocation Service Frequency TableÐ countries, frequency assignments in Continued this band may either be unavailable of may be subject to certain technical of Frequency or band Class of station(s) Limitation operational limitations. Therefore, ap- 1900 to 1950 ........... ......do ......................... 6, 25, 26, plications for frequency assignments in 27, and this band shall include information 30. concerning the transmitter output 1950 to 2000 ........... ......do ......................... 6, 25, 27, and 30. power; the type and directional charac- 3230 to 3400 ........... ......do ......................... 6, 8 teristics of the antenna and the mini- Megahertz: mum hours of operation (GMT). 420 to 450 ............... ......do ......................... 21 2450 to 2500 ........... ......do ......................... 9, 22, 23 (7) This band is shared with the Dis- 2900 to 3100 ........... ......do ......................... 10, 11 aster Communications Service (part 99) 3100 to 3300 ........... ......do ......................... 12 and operations are on a secondary basis 3300 to 3500 ........... ......do ......................... 12, 13 3500 to 3700 ........... ......do ......................... 12 to that service between local sunset 5250 to 5350 ........... ......do ......................... 12 and local sunrise, or at any time dur- 5350 to 5460 ........... ......do ......................... 10, 14 ing an actual or imminent disaster. 5460 to 5470 ........... ......do ......................... 10, 15 5470 to 5600 ........... ......do ......................... 10, 11 Local sunrise and sunset times shall be 5600 to 5650 ........... ......do ......................... 10, 16 derived from the 1946 American Nau- 8500 to 9000 ........... ......do ......................... 12, 17 tical Almanac. Each frequency assign- 9000 to 9200 ........... ......do ......................... 10, 14 9200 to 9300 ........... ......do ......................... 12 ment in this band is on an exclusive 9300 to 9500 ........... ......do ......................... 10, 15, 18 basis within the daytime primary serv- 9500 to 10,000 ........ ......do ......................... 12 ice area to which assigned. The day- 10,000 to 10,500 ..... ......do ......................... 12, 13, 19 10,500 to 10,550 ..... ......do ......................... 20, 22, 24 time primary service area is the area 13,400 to 14,000 ..... ......do ......................... 12 where the signal intensities are ade- 15,700 to 17,700 ..... ......do ......................... 12 quate for radiolocation purposes during 24,050 to 24,250 ..... ......do ......................... 12, 22, 24 33,400 to 36,000 ..... ......do ......................... 12 the hours from sunrise to sunset from all stations in the radiolocation system (c) Explanation of assignment limita- of which the station in question is a tions appearing in the frequency table part; that is, the primary service area of paragraph (b) of this section: of the station coincides with the pri- (1) This frequency band is shared mary service area of the system. The with and stations operating in this fre- normal minimum geographical separa- quency band in this service are on a tion between stations of different li- secondary basis to stations licensed in censees shall be at least 580 km. (360 the International Fixed Service and mi.) when the stations are operated on the Maritime Mobile Service. the same frequency or on different fre- (2) This frequency band is shared quencies separated by less than 3 kHz. with and stations operating in this fre- Where geographical separation of less quency band in this service are on a than 580 km. (360 mi.) is desired under secondary basis to the LORAN Naviga- these circumstances it must be shown tion System; all operations are limited that the desired separation will result to radiolocation lands stations in ac- in protection ratio of at least 20 deci- cordance with footnote US104, § 2.106 of bels throughout the daytime primary this chapter. service area of other stations. Applica- (3) [Reserved] tions in this band are placed on public (4) Non-Government radiolocation notice in accordance with § 1.962 of this service in this band is on a secondary chapter. Where the number of appli- basis to stations in the Aeronautical cants requesting authority to serve an Radionavigation Service operating on area exceeds the number of frequencies 1638 or 1708 kHz. available for assignment; or where it (5) Station assignments on fre- appears that fewer applicants or licens- quencies in this band will be made sub- ees than the number before it should be ject to the conditions that the maxi- given authority to serve a particular mum output power shall not exceed 375 area; or where it appears that an appli- watts and the maximum authorized cant, either directly or indirectly, bandwidth shall not exceed 2 kHz. seeks to use more than 25 kHz of the (6) Because of the operation of sta- available spectrum space in this band, tions having priority on the same or the applications may be designated for adjacent frequencies in this or in other hearing. 417 VerDate 10-JAN-97 14:07 Jan 17, 1997 Jkt 167186 PO 00000 Frm 00417 Fmt 8010 Sfmt 8010 E:\CFR\167186.042 167186 § 90.103 47 CFR Ch. I (10±1±96 Edition) (8) Frequencies in this band may only (part 80) and the Government Meteoro- be assigned to radiolocation