§ 90.17 - Local Government Radio Service.

(a) Eligibility. Any territory, possession, state, city, county, town or similar governmental entity, including a district and an authority, but not including a school district or authority or a park district or authority except as provided for in § 90.242, is eligible to hold authorizations in the Local Government Radio Service to operate radio stations for transmission of communications essential to official activities of the licensee.

(b) Frequencies available. The following table indicates frequencies available for assignment to stations in the Local Government Radio Service, together with the class of station(s) to which they are normally assigned and the specific assignment limitations which are explained in paragraph (c) of this section.

Local Government Radio Service Frequency TableFrequency or bandClass of station(s)LimitationsKilohertz:530 Base (T.I.S.) 231610 ......do 232726 Base or mobile 12000 to 10,000 Fixed, base or mobile 25Megahertz:37.10 Base or mobile 237.18 ......do 237.26 ......do 239.06 Mobile 2, 339.10 Base or mobile 239.18 ......do 239.50 ......do 239.58 ......do 239.82 ......do 239.90 ......do 239.98 ......do 245.08 ......do 45.12 ......do 45.16 ......do 45.20 ......do 45.24 ......do 45.28 ......do 45.32 ......do 45.36 ......do 45.40 ......do 45.44 ......do 45.48 ......do 45.52 ......do 45.56 ......do 45.60 ......do 45.64 ......do 46.52 ......do 46.54 ......do 46.56 ......do 46.58 ......do 72.00 to 76.00 Operational fixed 6150 to 170 Base or mobile [phone] Mobile [phone] ......do 24153.755 ......do 153.7625 ......do 24153.785 ......do 153.7925 ......do 24153.800 ......do 153.8075 ......do 24153.815 ......do 153.8225 ......do 24153.845 ......do 153.8525 ......do 24153.860 ......do 153.8675 ......do 24153.875 ......do 153.8825 ......do 24153.905 ......do 153.9125 ......do 24153.920 ......do 153.9275 ......do 24153.935 ......do 153.9425 ......do 24153.965 ......do 153.9725 ......do 24153.980 ......do 153.9875 ......do 24153.995 ......do 154.0025 ......do 24154.025 Base or mobile [phone] ......do 24154.040 ......do 5154.0475 ......do 5, 24154.055 ......do 5154.0625 ......do 5, 24154.085 ......do 5154.0925 ......do 5, 24154.100 ......do 5154.1075 ......do 5, 24154.115 ......do 5154.1225 ......do 5, 24154.45625 Fixed or mobile 9, 20, 21, 22154.46375 ......do 7, 19, 20, 21, 22154.47125 ......do 7, 20, 21, 22154.47875 ......do 19, 20, 21, 22154.965 Base or mobile [phone] ......do 24154.980 ......do 154.9875 ......do 24154.995 ......do 155.0025 ......do 24155.025 ......do 155.0325 ......do 24155.040 ......do 155.0475 ......do 24155.055 ......do 155.0625 ......do 24155.085 ......do 155.0925 ......do 24155.100 ......do 155.1075 ......do 24155.115 ......do 155.1225 ......do 24155.145 ......do 155.1525 ......do 24155.715 ......do 155.7225 ......do 24155.745 ......do 155.7525 ......do 24155.760 ......do 155.7675 ......do 24155.775 ......do 155.7825 ......do 24155.805 ......do 155.8125 ......do 24155.820 ......do 155.8275 ......do 24155.835 ......do 155.8425 ......do 24155.865 ......do 155.8725 ......do 24155.880 ......do 155.8875 ......do 24155.895 ......do 155.9025 ......do 24155.925 ......do 155.9325 ......do 24155.940 ......do 155.9475 ......do 24155.955 ......do 155.9625 ......do 24155.985 Mobile [phone] ......do 24156.000 ......do 156.0075 ......do 24156.015 ......do 156.0225 ......do 24158.745 Base and mobile [phone] ......do 24158.760 ......do 158.7675 ......do 24158.775 ......do 158.7825 ......do 24158.805 ......do 158.8125 ......do 24158.820 ......do 158.8275 ......do 24158.835 ......do 158.8425 ......do 24158.865 Mobile [phone] ......do 24158.880 ......do 158.8875 ......do 24158.895 ......do 158.9025 ......do 24158.925 ......do 158.9325 ......do 24158.940 ......do 158.9475 ......do 24158.955 ......do 158.9625 ......do 24169-172 ......do 27173.20375 Fixed or mobile 7, 20, 21, 22173.2100 ......do 7, 8, 21, 22173.2375 ......do 9, 20, 21, 22173.2625 ......do 9, 20, 21, 22173.2875 ......do 9, 20, 21, 22173.3125 ......do 9, 20, 21, 22173.3375 ......do 9, 20, 21, 22173.3625 ......do 9, 20, 21, 22173.3900 ......do 7, 8, 21, 22173.39625 ......do 7, 20, 21, 22220 to 222 Base and mobile 4450 to 470 Fixed, base, or mobile 10, 29453.0125 Mobile [phone] Central control, fixed 11453.0375 Base or mobile [phone] ......do 12453.05625 ......do 12, 28453.06250 ......do 12, 24453.06875 ......do 12, 28453.075 Central control, fixed 11453.0875 Base or mobile [phone] ......do 12453.10625 ......do 12, 28453.11250 ......do 12, 24453.11875 ......do 12, 28453.125 Central control, fixed 11453.1375 Base or mobile [phone] ......do 12453.15625 ......do 12, 28453.16250 ......do 12, 24453.16875 ......do 12, 28453.175 Central control, fixed 11453.1875 Base or mobile [phone] ......do 12453.20625 ......do 12, 28453.21250 ......do 12, 24453.21875 ......do 12, 28453.225 ......do 453.23125 ......do 28453.23750 ......do 24453.24375 ......do 28453.250 ......do 12453.25625 ......do 12, 28453.26250 ......do 12, 24453.26875 ......do 12, 28453.275 ......do 453.28125 ......do 28453.28750 ......do 24453.29375 ......do 28453.300 ......do 12453.30625 ......do 12, 28453.31250 ......do 12, 24453.31875 ......do 12, 28453.325 ......do 453.33125 ......do 28453.33750 ......do 24453.34375 ......do 28453.350 ......do 12453.35625 ......do 12, 28453.36250 ......do 12, 24453.36875 ......do 12, 28453.375 ......do 453.38125 ......do 28453.38750 ......do 24453.39375 ......do 28453.400 ......do 12453.40625 ......do 12, 28453.41250 ......do 12, 24453.41875 ......do 12, 28453.425 ......do 453.43125 ......do 28453.43750 ......do 24453.44375 ......do 28453.450 ......do 12453.45625 ......do 12, 28453.46250 ......do 12, 24453.46875 ......do 12, 28453.475 ......do 453.48125 ......do 28453.48750 ......do 24453.49375 ......do 28453.500 ......do 12453.50625 ......do 12, 28453.51250 ......do 12, 24453.51875 ......do 12, 28453.525 ......do 453.53125 ......do 28453.53750 ......do 24453.54375 ......do 28453.550 ......do 12453.55625 ......do 12, 28453.56250 ......do 12, 24453.56875 ......do 12, 28453.575 ......do 453.58125 ......do 28453.58750 ......do 24453.59375 ......do 28453.600 Base or mobile [phone] ......do 12, 28453.61250 ......do 12, 24453.61875 ......do 12, 28453.625 ......do 453.63125 ......do 28453.63750 ......do 24453.64375 ......do 28453.650 ......do 12453.65625 ......do 12, 28453.66250 ......do 12, 24453.66875 ......do 12, 28453.675 ......do 453.68125 ......do 28453.68750 ......do 24453.69375 ......do 28453.700 ......do 12453.70625 ......do 12, 28453.71250 ......do 12, 24453.71875 ......do 12, 28453.725 ......do 453.73125 ......do 28453.73750 ......do 24453.74375 ......do 28453.750 ......do 12453.75625 ......do 12, 28453.76250 ......do 12, 24453.76875 ......do 12, 28453.775 ......do 453.78125 ......do 28453.78750 ......do 24453.79375 ......do 28453.800 ......do 12453.80625 ......do 12, 28453.81250 ......do 12, 24453.81875 ......do 12, 28453.825 ......do 453.83125 ......do 28453.83750 ......do 24453.84375 ......do 28453.850 ......do 12453.85625 ......do 12, 28453.86250 ......do 12, 24453.86875 ......do 12, 28453.875 ......do 453.88125 ......do 28453.88750 ......do 24453.89375 ......do 28453.900 ......do 12453.90625 ......do 12, 28453.91250 ......do 12, 24453.91875 ......do 12, 28453.925 ......do 453.93125 ......do 28453.93750 ......do 24453.94375 ......do 28453.950 ......do 12453.95625 ......do 12, 28453.96250 ......do 12, 24453.96875 ......do 12, 28453.975 ......do 453.98125 ......do 28453.98750 ......do 24453.99375 ......do 28458.025 Radio call boxes, fixed 11, 13458.03750 Mobile [phone] ......do 12458.05625 ......do 12, 28458.06250 ......do 12, 24458.06875 ......do 12, 28458.075 Radio call boxes, fixed 11, 13458.08750 Mobile [phone] ......do 12458.10625 ......do 12, 28458.11250 ......do 12, 24458.11875 ......do 12, 28458.125 Radio call boxes, fixed 11, 13458.13750 Mobile [phone] ......do 12458.15625 ......do 12, 28458.16250 ......do 12, 24458.16875 ......do 12, 28458.175 Radio call boxes, fixed 11, 13458.18750 Mobile [phone] ......do 12458.20625 ......do 12, 28458.21250 ......do 12, 24458.21875 ......do 12, 28458.225 ......do 458.23125 ......do 28458.23750 ......do 24458.24375 ......do 28458.250 ......do 12458.25625 ......do 12, 28458.26250 ......do 12, 24458.26875 ......do 12, 28458.275 ......do 458.28125 ......do 28458.28750 ......do 24458.29375 ......do 28458.300 ......do 12458.30625 ......do 12, 28458.31250 ......do 12, 24458.31875 ......do 12, 28458.325 ......do 458.33125 ......do 28458.33750 ......do 24458.34375 ......do 28458.350 ......do 12458.35625 ......do 12, 28458.36250 ......do 12, 24458.36875 ......do 12, 28458.375 ......do 458.38125 ......do 28458.38750 ......do 24458.39375 ......do 28458.400 ......do 12458.40625 ......do 12, 28458.41250 ......do 12, 24458.41875 ......do 12, 28458.425 ......do 458.43125 ......do 28458.43750 ......do 24458.44375 ......do 28458.450 ......do 12458.45625 ......do 12, 28458.46250 ......do 12, 24458.46875 ......do 12, 28458.475 ......do 458.48125 ......do 28458.48750 ......do 24458.49375 ......do 28458.500 ......do 12458.50625 ......do 12, 28458.51250 ......do 12, 24458.51875 ......do 12, 28458.525 ......do 458.53125 ......do 28458.53750 ......do 24458.54375 ......do 28458.550 ......do 12458.55625 ......do 12, 28458.56250 ......do 12, 24458.56875 ......do 12, 28458.575 ......do 458.58125 ......do 28458.58750 ......do 24458.59375 ......do 28458.600 ......do 12458.60625 ......do 12, 28458.61250 ......do 12, 24458.61875 ......do 12, 28458.625 ......do 458.63125 ......do 28458.63750 ......do 24458.64375 ......do 28458.650 ......do 12458.65625 ......do 12, 28458.66250 ......do 12, 24458.66875 ......do 12, 28458.675 ......do 458.68125 ......do 28458.68750 ......do 24458.69375 ......do 28458.700 ......do 12458.70625 ......do 12, 28458.71250 ......do 12, 24458.71875 ......do 12, 28458.725 ......do 458.73125 ......do 28458.73750 ......do 24458.74375 ......do 28458.750 ......do 12458.75625 ......do 12, 28458.76250 ......do 12, 24458.76875 ......do 12, 28458.775 ......do 458.78125 ......do 28458.78750 ......do 24458.79375 ......do 28458.800 ......do 12458.80625 ......do 12, 28458.81250 ......do 12, 24458.81875 ......do 12, 28458.825 ......do 458.83125 ......do 28458.83750 ......do 24458.84375 ......do 28458.850 ......do 12458.85625 ......do 12, 28458.86250 ......do 12, 24458.86875 ......do 12, 28458.875 ......do 458.88125 ......do 28458.88750 ......do 24458.89375 ......do 28458.900 ......do 12458.90625 ......do 12, 28458.91250 ......do 12, 24458.91875 ......do 12, 28458.925 ......do 458.93125 ......do 28458.93750 ......do 24458.94375 ......do 28458.950 ......do 12458.95625 ......do 12, 28458.96250 ......do 12, 24458.96875 ......do 12, 28458.975 ......do 458.98125 ......do 28458.98750 ......do 24458.99375 ......do 28470 to 512 Base or mobile 14806 to 824 Mobile 15851 to 869 Base or mobile 15928 and above Operational-fixed 16929-930 Base only 261427 to 1435 Operational fixed, base or mobile 172450 to 2500 Base or mobile 1810,550 to 10,680* ......do * The frequencies in the band 10.55-10.68 GHz are available for Digital Termination Systems and for associated internodal links in the Point-to-Point Microwave Radio Service. No new licenses will be issued under this subpart but current licenses will be renewed.

(c) Explanation of assignment limitations appearing in the frequency table of paragraph (b) of this section:

(1) This frequency is shared with the Special Emergency Radio Services and is available for assignment to the official state guard or comparable organization of a State, territory, possession, or the District of Columbia which is shown to be duly created by law and subject to the control of the highest official of the governmental entity involved, and may be used for emergency communications and for essential communications related to training and maintenance of an efficient organization. In addition to base and mobile stations, this frequency may be assigned to fixed stations on a secondary basis to base or mobile stations. Upon a showing of need, the use of a second frequency in the band 2505-3500 kHz may be made available to these organizations through appropriate arrangements with Government agencies for restricted area use on a shared basis with maximum power output, emission, and hours of operation determined on the basis of the technical conditions involved in using the selected frequency in the particular area.

(2) This frequency is shared with the Police Radio Service.

(3) The maximum output power of any transmitter authorized to operate on this frequency shall not exceed 2 watts.

(4) Subpart T contains rules for assignment of frequencies in the 220-222 MHz band.

(5) This frequency is not available for assignment in this service in Puerto Rico or the Virgin Islands.

(6) Assignment and use of frequencies in the band 72-76 MHz are governed by § 90.257 for operational-fixed stations and by § 90.241 for emergency call box operations. Specific frequencies are listed at § 90.257(a)(1).

(7) The maximum power output of the transmitter may not exceed 50 watts for fixed stations and 1 watt for mobile stations. A1A, A1D, A2B, A2D, F1B, F1D, F2D, G1B, G1D, G2B, or G2D emission may be authorized.

(8) For FM transmitters, the sum of the highest modulating frequency in hertz and the amount of the frequency deviation or swing in hertz may not exceed 1700 Hz and the maximum deviation may not exceed 1.2 kHz. For AM transmitters, the highest modulating frequency may not exceed 1200 Hz. The carrier frequency must be maintained within .0005 percent of the center of the frequency band, and the authorized bandwidth may not exceed 3 kHz.

(9) The maximum effective radiated power (ERP) may not exceed 20 watts for fixed stations and 2 watts for mobile stations. The height of the antenna system may not exceed 15.24 meters (50 ft.) above ground. All such operation is on a secondary basis to adjacent channel land mobile operations.

(10) The requirements for secondary fixed use of frequencies in this band are set forth in § 90.261.

(11) This frequency is available for systems first licensed prior to March 31, 1980, for radio call box communications related to safety on highways in accordance with the provisions of § 90.241(c). No new systems will be authorized of this nature, but systems authorized prior to March 31, 1980 may be modified, expanded, and renewed. Also, effective April 2, 1993, this frequency is shared with EMRS systems in accordance with § 90.27.

(12) This frequency is available in this service on a shared basis with all other Public-Safety Radio Services.

(13) Available for medical services mobile operations in the Emergency Medical Radio Service in accordance with § 90.27(c)(22).

(14) Subpart L contains rules for assignment of frequencies in the 470-512 MHz band.

(15) Subpart S contains rules for assignment of frequencies in the 806-824 MHz and 851-869 MHz bands.

(16) Assignment of frequencies above 928 MHz for operational-fixed stations is governed by part 94 of this chapter.

(17) This frequency band is available to stations in this service subject to the provisions of § 90.259.

(18) Available only on a shared basis with stations in other services, and subject to no protection from interference due to the operation of industrial, scientific, or medical (ISM) devices. In the 2483.5-2500 MHz band, no applications for new stations or modification to existing stations to increase the number of transmitters will be accepted. Existing licensees as of July 25, 1985, or on a subsequent date following as a result of submitting an application for license on or before July 25, 1985, are grandfathered and their operation is co-primary with the Radiodetermination Satellite Service.

(19) Use of this frequency is limited to stations located at least 120.7 km (75 miles) from the center of any urbanized area of 200,000 or more population (U.S. Census of Population 1970). Operation is on a secondary basis to that of the Power Radio Service.

(20) For FM transmitters, the sum of the highest modulating frequency in Hertz and the amount of the frequency deviation or swing in Hertz may not exceed 2800 Hz and the maximum deviation may not exceed 2.5 kHz. For AM transmitters, the highest modulation frequency may not exceed 2000 Hz. The carrier frequency must be maintained within .0005 percent of the center of the frequency band, and the authorized bandwidth may not exceed 6 kHz.

(21) This frequency is available on a shared basis with the Power, Petroleum, Forest Products, Special Industrial, Business, and Manufacturers Radio Services for remote control and telemetry operations.

(22) Operational fixed stations must employ directional antennas having a front-to-back ratio of at least 20 dB. Omnidirectional antennas having unity gain may be employed for stations communicating with at least three receiving locations separated by 160° of azimuth.

(23) This frequency is available for use by Travelers’ Information Stations in accordance with § 90.242.

(24) This frequency is not available in the 150-170 MHz band until August 18, 1996. This frequency will be assigned with an authorized bandwidth not to exceed 11.25 kHz. In the 450-470 MHz band, secondary telemetry operations pursuant to § 90.238(e) will be authorized on this frequency.

(25) Only the central governments of the fifty individual States, the District of Columbia, and the insular areas of the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and the unincorporated territories of American Samoa, Guam and the United States Virgin Islands are eligible to be licensed to use this spectrum, and then only for disaster communications purposes. Licensees may not use this spectrum to provide operational communications circuits. See also, § 90.264.

(26) Frequencies in this band are available only for one-way paging operations in accordance with § 90.494.

(27) Frequencies in this band will be assigned for low power wireless microphones in accordance with the provisions of § 90.265.

(28) This frequency is not available until August 18, 1996. After August 18, 1996 this frequency will be assigned with an authorized bandwidth not to exceed 6 kHz.

(29) Assignment of frequencies in this band are subject to the provisions of § 90.173.

(30) This frequency is available for systems first licensed prior to August 18, 1995. No new systems will be authorized after August 18, 1995, but prior authorized systems may be modified, expanded, and renewed.

(d) Additional frequencies available. In addition to the frequencies shown in the frequency table of this section, the following frequencies are available in this service. (See also § 90.253.)

(1) Substitution of frequencies available below 25 MHz may be made in accordance with the provisions of § 90.263.

(2) [Reserved]

(3) Frequencies in the band 73.0-74.6 MHz may be assigned to stations authorized their use on or before December 1, 1961, but no new stations will be authorized in this band, nor will expansion of existing systems be permitted. See also § 90.257.

(4) The frequency bands 31.99 to 32.00 MHz, 33.00 to 33.01 MHz, 33.99 to 34.00 MHz, 37.93 to 38.00 MHz, 39.00 to 39.01 MHz, 39.99 to 40.00 MHz and 42.00 to 42.01 MHz, are available for assignment for developmental operation subject to the provisions of subpart Q.

(5) Frequencies in the 421-430 MHz band are available in the Detroit, Cleveland, and Buffalo areas in accordance with the rules in §§ 90.273 through 90.281.

(e) Limitation on number of frequencies assignable. Normally only two frequencies or pairs of frequencies in the paired frequency mode of operation will be assigned for mobile service operations by a single applicant in a given area. The assignment of an additional frequency or pair of frequencies will be made only upon a satisfactory showing of need, except that:

(1) Additional frequencies above 25 MHz may be assigned in connection with the operation of mobile repeaters in accordance with § 90.247 notwithstanding this limitation.

(2) The frequency 39.06 MHz may be assigned notwithstanding this limitation.

(3) Frequencies in the 25-50 MHz, 150-170 MHz, 450-512 MHz and 902-928 MHz bands may be assigned for the operation of Location and Monitoring Service (LMS) systems in accordance with the provisions of subpart M of this part, notwithstanding this limitation.

(4) A licensee of a radio station in this service may operate radio units for the purpose of determining distance, direction, speed, or position by means of a radiolocation device on any frequency available for radiolocation purposes without specific authorization from the Commission, provided type accepted equipment or equipment authorized pursuant to § 90.203(b) (4) and (5) is used and all other rule requirements are satisfied.