47 C.F.R. § 90.273 Availability and use of frequencies in the 421–430 MHz band.
Title 47 - Telecommunication
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart K—Standards for Special Frequencies or Frequency Bands
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§ 90.273 Availability and use of frequencies in the 421–430 MHz band.
The frequency bands 422.1875–425.4875 MHz and 427.1875–429.9875 MHz are available for use in the Detroit, Michigan and Cleveland, Ohio areas. The bands 423.8125–425.4875 MHz and 428.8125–429.9875 MHz are available for use in the Buffalo, New York area. Sections 90.273 through 90.281 address the specific rules applicable to these bands. Use of these bands is also subject to the general technical standards and application procedures contained in other subparts of part 90. The technical standards applicable in this band are the same as those contained in subpart I of part 90 for the 450–470 MHz band. Private land mobile use of these frequencies is subject to accepting any interference from Federal Government radiolocation operations.
(a) The following tables list frequencies available for assignment in the Public Safety and Industrial/Business Pools as indicated. In the tables, the Public Safety Pool frequencies are denoted as “PS” and the Industrial/Business Pool frequencies are denoted as “IB.” The frequencies 422.19375 MHz through 424.99375 MHz are paired with frequencies 427.19375 MHz through 429.99375 MHz, respectively. Only the lower half of each frequency pair, available for base station operation, is listed in the tables. Corresponding mobile and control station frequencies are 5 MHz higher than the base station frequency. The frequencies 425.000 through 425.48125 are unpaired and are available for either single frequency dispatch or paging operations.
Table 1_Channels Available in Detroit and Cleveland Areas Only------------------------------------------------------------------------ Frequency (MHz) Pool in which assigned------------------------------------------------------------------------Paired channels: 422.19375 *............................. IB 422.200................................. IB 422.20625 *............................. IB 422.21250............................... IB 422.21875 *............................. IB 422.225................................. IB 422.23125 *............................. IB 422.23750............................... IB 422.24375 *............................. IB 422.250................................. IB 422.25625 *............................. IB 422.26250............................... IB 422.26875 *............................. IB 422.275................................. IB 422.28125 *............................. IB 422.28750............................... IB 422.29375 *............................. IB 422.300................................. IB 422.30625 *............................. IB 422.31250............................... IB 422.31875 *............................. IB 422.325................................. IB 422.33125 *............................. IB 422.33750............................... IB 422.34375 *............................. IB 422.350................................. IB 422.35625 *............................. IB 422.36250............................... IB 422.36875 *............................. IB 422.375................................. IB 422.38125 *............................. IB 422.38750............................... IB 422.39375 *............................. IB 422.400................................. IB 422.40625 *............................. IB 422.41250............................... IB 422.41875 *............................. IB 422.425................................. IB 422.43125 *............................. IB 422.43750............................... IB 422.44375 *............................. IB 422.450................................. IB 422.45625 *............................. IB 422.46250............................... IB 422.46875 *............................. IB 422.475................................. IB 422.48125 *............................. IB 422.48750............................... IB 422.49375 *............................. IB 422.500................................. IB 422.50625 *............................. IB 422.51250............................... IB 422.51875 *............................. IB 422.525................................. IB 422.53125 *............................. IB 422.53750............................... IB 422.54375 *............................. IB 422.550................................. IB 422.55625 *............................. IB 422.56250............................... IB 422.56875 *............................. IB 422.575................................. IB 422.58125 *............................. IB 422.58750............................... IB 422.59375 *............................. IB 422.600................................. IB 422.60625 *............................. IB 422.61250............................... IB 422.61875 *............................. IB 422.625................................. IB 422.63125 *............................. IB 422.63750............................... IB 422.64375 *............................. IB 422.650................................. IB 422.65625 *............................. IB 422.66250............................... IB 422.66875 *............................. IB 422.675................................. IB 422.68125 *............................. IB 422.68750............................... IB 422.69375 *............................. IB 422.700................................. IB 422.70625 *............................. IB 422.71250............................... IB 422.71875 *............................. IB 422.725................................. IB 422.73125 *............................. IB 422.73750............................... IB 422.74375 *............................. IB 422.750................................. IB 422.75625 *............................. IB 422.76250............................... IB 422.76875 *............................. IB 422.775................................. IB 422.78125 *............................. IB 422.78750............................... IB 422.79375 *............................. IB 422.800................................. IB 422.80625 *............................. IB 422.81250............................... IB 422.81875 *............................. IB 422.825................................. IB 422.83125 *............................. IB 422.83750............................... IB 422.84375 *............................. IB 422.850................................. IB 422.85625 *............................. IB 422.86250............................... IB 422.86875 *............................. IB 422.875................................. IB 422.88125 *............................. IB 422.88750............................... IB 422.89375 *............................. IB 422.900................................. IB 422.90625 *............................. IB 422.91250............................... IB 422.91875 *............................. IB 422.925................................. IB 422.93125 *............................. IB 422.93750............................... IB 422.94375 *............................. IB 422.950................................. IB 422.95625 *............................. IB 422.96250............................... IB 422.96875 *............................. IB 422.975................................. IB 422.98125 *............................. IB 422.98750............................... IB 422.99375 *............................. IB 423.000................................. PS 423.00625 *............................. PS 423.01250............................... PS 423.01875 *............................. PS 423.025................................. PS 423.03125 *............................. PS 423.03750............................... PS 423.04375 *............................. PS 423.050................................. PS 423.05625 *............................. PS 423.06250............................... PS 423.06875 *............................. PS 423.075................................. PS 423.08125 *............................. PS 423.08750............................... PS 423.09375 *............................. PS 423.100................................. PS 423.10625 *............................. PS 423.11250............................... PS 423.11875 *............................. PS 423.125................................. PS 423.13125 *............................. PS 423.13750............................... PS 423.14375 *............................. PS 423.150................................. PS 423.15625 *............................. PS 423.16250............................... PS 423.16875 *............................. PS 423.175................................. PS 423.18125 *............................. PS 423.18750............................... PS 423.19375 *............................. PS 423.200................................. PS 423.20625 *............................. PS 423.21250............................... PS 423.21875 *............................. PS 423.225................................. PS 423.23125 *............................. PS 423.23750............................... PS 423.24375 *............................. PS 423.250................................. PS 423.25625 *............................. PS 423.26250............................... PS 423.26875 *............................. PS 423.275................................. PS 423.28125 *............................. PS 423.28750............................... PS 423.29375 *............................. PS 423.300................................. PS 423.30625 *............................. PS 423.31250............................... PS 423.31875 *............................. PS 423.325................................. PS 423.33125 *............................. PS 423.33750............................... PS 423.34375 *............................. PS 423.350................................. PS 423.35625 *............................. PS 423.36250............................... PS 423.36875 *............................. PS 423.375................................. PS 423.38125 *............................. PS 423.38750............................... PS 423.39375 *............................. PS 423.400................................. PS 423.40625 *............................. PS 423.41250............................... PS 423.41875 *............................. PS 423.425................................. PS 423.43125 *............................. PS 423.43750............................... PS 423.44375 *............................. PS 423.450................................. PS 423.45625 *............................. PS 423.46250............................... PS 423.46875 *............................. PS 423.475................................. PS 423.48125 *............................. PS 423.48750............................... PS 423.49375 *............................. PS 423.500................................. PS 423.50625 *............................. PS 423.51250............................... PS 423.51875 *............................. PS 423.525................................. PS 423.53125 *............................. PS 423.53750............................... PS 423.54375 *............................. PS 423.550................................. PS 423.55625 *............................. PS 423.56250............................... PS 423.56875 *............................. PS 423.575................................. PS 423.58125 *............................. PS 423.58750............................... PS 423.59375 *............................. PS 423.600................................. PS 423.60625 *............................. PS 423.61250............................... PS 423.61875 *............................. PS 423.625................................. PS 423.63125 *............................. PS 423.63750............................... PS 423.64375 *............................. PS 423.650................................. PS 423.65625 *............................. PS 423.66250............................... PS 423.66875 *............................. PS 423.675................................. PS 423.68125 *............................. PS 423.68750............................... PS 423.69375 *............................. PS 423.700................................. PS 423.70625 *............................. PS 423.71250............................... PS 423.71875 *............................. PS 423.725................................. PS 423.73125 *............................. PS 423.73750............................... PS 423.74375 *............................. PS 423.750................................. PS 423.75625 *............................. PS 423.76250............................... PS 423.76875 *............................. PS 423.775................................. PS 423.78125 *............................. PS 423.78750............................... PS 423.79375 *............................. PS 423.800................................. PS 423.80625 *............................. PS------------------------------------------------------------------------* This frequency will be assigned with an authorized bandwidth not to exceed 6 kHz.
Table 2_Channels Available in Buffalo, Detroit and Cleveland Areas------------------------------------------------------------------------ Frequency (MHz) Pool in which assigned------------------------------------------------------------------------Paired channels: 423.81875 *............................ PS 423.825................................ PS 423.83125 *............................ PS 423.83750.............................. PS 423.84375 *............................ PS 423.850................................ PS 423.85625 *............................ PS 423.86250.............................. PS 423.86875 *............................ PS 423.875................................ PS 423.88125 *............................ PS 423.88750.............................. PS 423.89375 *............................ PS 423.900................................ PS 423.90625 *............................ PS 423.91250.............................. PS 423.91875 *............................ PS 423.925................................ PS 423.93125 *............................ PS 423.93750.............................. PS 423.94375 *............................ PS 423.950................................ PS 423.95625 *............................ PS 423.96250.............................. PS 423.96875 *............................ PS 423.975................................ PS 423.98125 *............................ PS 423.98750.............................. PS 423.99375 *............................ PS 424.000................................ PS 424.00625 *............................ PS 424.01250.............................. PS 424.01875 *............................ PS 424.025................................ PS 424.03125 *............................ PS 424.03750.............................. PS 424.04375 *............................ PS 424.050................................ PS 424.05625 *............................ PS 424.06250.............................. PS 424.06875 *............................ PS 424.075................................ PS 424.08125 *............................ PS 424.08750.............................. PS 424.09375 *............................ PS 424.100................................ PS 424.10625 *............................ PS 424.11250.............................. PS 424.11875 *............................ PS 424.125................................ PS 424.13125 *............................ PS 424.13750.............................. PS 424.14375 *............................ PS 424.150................................ PS 424.15625 *............................ PS 424.16250.............................. PS 424.16875 *............................ PS 424.175................................ PS 424.18125 *............................ PS 424.18750.............................. PS 424.19375 *............................ PS 424.200................................ PS 424.20625 *............................ PS 424.21250.............................. PS 424.21875 *............................ PS 424.225................................ PS 424.23125 *............................ PS 424.23750.............................. PS 424.24375 *............................ PS 424.250................................ PS 424.25625 *............................ PS 424.26250.............................. PS 424.26875 *............................ PS 424.275................................ PS 424.28125 *............................ PS 424.28750.............................. PS 424.29375 *............................ PS 424.300................................ PS 424.30625 *............................ PS 424.31250.............................. PS 424.31875 *............................ PS 424.325................................ PS 424.33125 *............................ PS 424.33750.............................. PS 424.34375 *............................ PS 424.350................................ PS 424.35625 *............................ PS 424.36250.............................. PS 424.36875 *............................ PS 424.375................................ PS 424.38125 *............................ PS 424.38750.............................. PS 424.39375 *............................ PS 424.400................................ IB 424.40625 *............................ IB 424.41250.............................. IB 424.41875 *............................ IB 424.425................................ IB 424.43125 *............................ IB 424.43750.............................. IB 424.44375 *............................ IB 424.450................................ IB 424.45625 *............................ IB 424.46250.............................. IB 424.46875 *............................ IB 424.475................................ IB 424.48125 *............................ IB 424.48750.............................. IB 424.49375 *............................ IB 424.500................................ IB 424.50625 *............................ IB 424.51250.............................. IB 424.51875 *............................ IB 424.525................................ IB 424.53125 *............................ IB 424.53750.............................. IB 424.54375 *............................ IB 424.550................................ IB 424.55625 *............................ IB 424.56250.............................. IB 424.56875 *............................ IB 424.575................................ IB 424.58125 *............................ IB 424.58750.............................. IB 424.59375 *............................ IB 424.600................................ IB 424.60625 *............................ IB 424.61250.............................. IB 424.61875 *............................ IB 424.625................................ IB 424.63125 *............................ IB 424.63750.............................. IB 424.64375 *............................ IB 424.650................................ IB 424.65625 *............................ IB 424.66250.............................. IB 424.66875 *............................ IB 424.675................................ IB 424.68125 *............................ IB 424.68750.............................. IB 424.69375 *............................ IB 424.700................................ IB 424.70625 *............................ IB 424.71250.............................. IB 424.71875 *............................ IB 424.725................................ IB 424.73125 *............................ IB 424.73750.............................. IB 424.74375 *............................ IB 424.750................................ IB 424.75625 *............................ IB 424.76250.............................. IB 424.76875 *............................ IB 424.775................................ IB 424.78125 *............................ IB 424.78750.............................. IB 424.79375 *............................ IB 424.800................................ IB 424.80625 *............................ IB 424.81250.............................. IB 424.81875 *............................ IB 424.825................................ IB 424.83125 *............................ IB 424.83750.............................. IB 424.84375 *............................ IB 424.850................................ IB 424.85625 *............................ IB 424.86250.............................. IB 424.86875 *............................ IB 424.875................................ IB 424.88125 *............................ IB 424.88750.............................. IB 424.89375 *............................ IB 424.900................................ IB 424.90625 *............................ IB 424.91250.............................. IB 424.91875 *............................ IB 424.925................................ IB 424.93125 *............................ IB 424.93750.............................. IB 424.94375 *............................ IB 424.950................................ IB 424.95625 *............................ IB 424.96250.............................. IB 424.96875 *............................ IB 424.975................................ IB 424.98125 *............................ IB 424.98750.............................. IB 424.99375 *............................ IBSingle channels: 425.000................................ IB 425.00625 *............................ IB 425.01250.............................. IB 425.01875 *............................ IB 425.025................................ IB 425.03125 *............................ IB 425.03750.............................. IB 425.04375 *............................ IB 425.050................................ IB 425.05625 *............................ IB 425.06250.............................. IB 425.06875 *............................ IB 425.075................................ IB 425.08125 *............................ IB 425.08750.............................. IB 425.09375 *............................ IB 425.100................................ IB 425.10625 *............................ IB 425.11250.............................. IB 425.11875 *............................ IB 425.125................................ IB 425.13125 *............................ IB 425.13750.............................. IB 425.14375 *............................ IB 425.150................................ IB 425.15625 *............................ IB 425.16250.............................. IB 425.16875 *............................ IB 425.175................................ IB 425.18125 *............................ IB 425.18750.............................. IB 425.19375 *............................ IB 425.200................................ IB 425.20625 *............................ IB 425.21250.............................. IB 425.21875 *............................ IB 425.225................................ IB 425.23125 *............................ IB 425.23750.............................. IB 425.24375 *............................ IB 425.250................................ PS 425.25625 *............................ PS 425.26250.............................. PS 425.26875 *............................ PS 425.275................................ PS 425.28125 *............................ PS 425.28750.............................. PS 425.29375 *............................ PS 425.300................................ PS 425.30625 *............................ PS 425.31250.............................. PS 425.31875 *............................ PS 425.325................................ PS 425.33125 *............................ PS 425.33750.............................. PS 425.34375 *............................ PS 425.350................................ PS 425.35625 *............................ PS 425.36250.............................. PS 425.36875 *............................ PS 425.375................................ PS 425.38125 *............................ PS 425.38750.............................. PS 425.39375 *............................ PS 425.400................................ PS 425.40625 *............................ PS 425.41250.............................. PS 425.41875 *............................ PS 425.425................................ PS 425.43125 *............................ PS 425.43750.............................. PS 425.44375 *............................ PS 425.450................................ PS 425.45625 *............................ PS 425.46250.............................. PS 425.46875 *............................ PS 425.475................................ PS 425.48125 *............................ PS------------------------------------------------------------------------* This frequency will be assigned with an authorized bandwidth not to exceed 6 kHz.
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(b) [Reserved]
(c) Base or control stations shall be located within 48 km (30 miles) of the center of Buffalo or 80 km (50 miles) of the center of Detroit. In Cleveland, base or control stations will be allowed at locations north of line A that are within 48 km (30 miles) of the city center. In addition, low power (2 watts or less) base stations may locate within 80 km (50 miles) of the center of Buffalo. The following coordinates shall be used for the centers of these areas (coordinates are referenced to North American Datum 1983 (NAD83)):
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Buffalo, NY.................. 42°52[min]52.2[sec] North latitude. 78°52[min]20.1[sec] West longitude.Cleveland, OH................ 41°29[min]51.2[sec] North latitude. 81°41[min]49.5[sec] West longitude.Detroit, MI.................. 42°19[min]48.1[sec] North latitude. 83°02[min]56.7[sec] West longitude.
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(d) Mobile operation shall be confined to within 80 km (50 miles) of the centers of Detroit, Cleveland, or Buffalo.
[52 FR 6156, Mar. 2, 1987, as amended at 54 FR 38681, Sept. 20, 1989; 58 FR 31476, June 3, 1993; 58 FR 44957, Aug. 25, 1993; 60 FR 37269, July 19, 1995; 61 FR 6576, Feb. 21, 1996; 62 FR 18929, Apr. 17, 1997; 63 FR 68965, Dec. 14, 1998]
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