Sec. 90.91 Railroad Radio Service.
(a) Eligibility. Railroad common carriers which are regularly
engaged in the transportation of passengers or property when such
passengers or property are transported over all or part of their route
by railroad are eligible to hold authorizations in the Railroad Radio
Service to operate radio stations for transmission of communications and
to assure safety of operations essential to such activities of the
licensee.
(b) Frequencies available. The following table indicates frequencies
available for assignment to stations in the Railroad 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 (d) of this section:
Railroad Radio Service Frequency Table
------------------------------------------------------------------------
Frequency or band Class of station(s) Limitations
------------------------------------------------------------------------
Megahertz
------------------------------------------------------------------------
72.0 to 76.0....................... Operational fixed..... 1
72.44.............................. Mobile................ 2
72.48.............................. ....do................ 2
72.52.............................. ....do................ 2
72.56.............................. ....do................ 2
72.60.............................. ....do................ 2
74.61.............................. ....do................ 21
74.63.............................. ....do................ 21
74.65.............................. ....do................ 21
74.67.............................. ....do................ 21
74.69.............................. ....do................ 21
74.71.............................. ....do................ 21
74.73.............................. ....do................ 21
74.75.............................. ....do................ 21
74.77.............................. ....do................ 21
74.79.............................. ....do................ 21
75.21.............................. ....do................ 21
75.23.............................. ....do................ 21
75.25.............................. ....do................ 21
75.27.............................. ....do................ 21
75.29.............................. ....do................ 21
75.31.............................. ....do................ 21
75.33.............................. ....do................ 21
[[Page 410]]
75.35.............................. ....do................ 21
75.37.............................. ....do................ 21
75.39.............................. ....do................ 21
75.44.............................. ....do................ 2
75.48.............................. ....do................ 2
75.52.............................. ....do................ 2
75.56.............................. ....do................ 2
75.60.............................. ....do................ 2
150 to 170......................... Base or mobile........ 23, 25
160.215............................ ....do................ 3, 4
160.2225........................... ....do................ 3, 4, 18
160.230............................ ....do................ 3, 4
160.2375........................... ....do................ 3, 4, 18
160.245............................ ....do................ 3, 4
160.2525........................... ....do................ 3, 4, 18
160.260............................ ....do................ 3, 4
160.2675........................... ....do................ 3, 4, 18
160.275............................ ....do................ 3, 4
160.2825........................... ....do................ 3, 4, 18
160.290............................ ....do................ 3, 4
160.2975........................... ....do................ 3, 4, 18
160.305............................ ....do................ 3, 4
160.3125........................... ....do................ 3, 4, 18
160.320............................ ....do................ 3, 4
160.3275........................... ....do................ 3, 4, 18
160.335............................ ....do................ 3, 4
160.3425........................... ....do................ 3, 4, 18
160.350............................ ....do................ 3, 4
160.3575........................... ....do................ 3, 4, 18
160.365............................ ....do................ 3, 4
160.3725........................... ....do................ 3, 4, 18
160.380............................ ....do................ 3, 4
160.3875........................... ....do................ 3, 4, 18
160.395............................ ....do................ 3, 4
160.4025........................... ....do................ 3, 4, 18
160.410............................ ....do................ 3, 4, 5
160.4175........................... ....do................ 3, 4, 5,
18
160.425............................ ....do................ 3, 4, 5
160.4325........................... ....do................ 3, 4, 5,
18
160.440............................ ....do................ 3, 4, 5
160.4475........................... ....do................ 3, 4, 5,
18
160.455............................ ....do................ 3, 4, 5
160.4625........................... ....do................ 3, 4, 5,
18
160.470............................ ....do................ 3, 4, 5
160.4775........................... ....do................ 3, 4, 5,
18
160.485............................ ....do................ 3, 4, 5
160.4925........................... ....do................ 3, 4, 5,
18
160.500............................ ....do................ 3, 4, 5
160.5075........................... ....do................ 3, 4, 5,
18
160.515............................ ....do................ 3, 4, 5
160.5225........................... ....do................ 3, 4, 5,
18
160.530............................ ....do................ 3, 4, 5
160.5375........................... ....do................ 3, 4, 5,
18
160.545............................ ....do................ 3, 4, 5
160.5525........................... ....do................ 3, 4, 5,
18
160.560............................ ....do................ 3, 4, 5
160.5675........................... ....do................ 3, 4, 5,
18
160.575............................ ....do................ 3, 4, 5
160.5825........................... ....do................ 3, 4, 5,
18
160.590............................ ....do................ 3, 4, 5
160.5975........................... ....do................ 3, 4, 5,
18
160.605............................ ....do................ 3, 4, 5
160.6125........................... ....do................ 3, 4, 5,
18
160.620............................ ....do................ 3, 4
160.6275........................... ....do................ 3, 4, 18
160.635............................ ....do................ 3, 4
160.6425........................... ....do................ 3, 4, 18
160.650............................ ....do................ 3, 4
160.6575........................... ....do................ 3, 4, 18
160.665............................ ....do................ 3, 4
160.6725........................... ....do................ 3, 4, 18
160.680............................ ....do................ 3, 4
160.6875........................... ....do................ 3, 4, 18
160.695............................ ....do................ 3, 4
160.7025........................... ....do................ 3, 4, 18
160.710............................ ....do................ 3, 4
160.7175........................... ....do................ 3, 4, 18
160.725............................ ....do................ 3, 4
160.7325........................... ....do................ 3, 4, 18
160.740............................ ....do................ 3, 4
160.7475........................... ....do................ 3, 4, 18
160.755............................ ....do................ 3, 4
160.7625........................... ....do................ 3, 4, 18
160.770............................ ....do................ 3, 4
160.7775........................... ....do................ 3, 4, 18
160.785............................ ....do................ 3, 4
160.7925........................... ....do................ 3, 4, 18
160.800............................ ....do................ 3, 4
160.8075........................... ....do................ 3, 4, 18
160.815............................ ....do................ 3, 4
160.8225........................... ....do................ 3, 4, 18
160.830............................ ....do................ 3, 4
160.8375........................... ....do................ 3, 4, 18
160.845............................ ....do................ 3, 4
160.8525........................... ....do................ 3, 4, 18
160.860............................ ....do................ 3, 4, 6
160.8675........................... ....do................ 3, 4, 6,
18
160.875............................ ....do................ 3, 4, 6
160.8825........................... ....do................ 3, 4, 6,
18
160.890............................ ....do................ 3, 4, 6
160.8975........................... ....do................ 3, 4, 6,
18
160.905............................ ....do................ 3, 4, 6
160.9125........................... ....do................ 3, 4, 6,
18
160.920............................ ....do................ 3, 4, 6
160.9275........................... ....do................ 3, 4, 6,
18
160.935............................ ....do................ 3, 4, 6
160.9425........................... ....do................ 3, 4, 6,
18
160.950............................ ....do................ 3, 4, 6
160.9575........................... ....do................ 3, 4, 6,
18
160.965............................ ....do................ 3, 4, 6
160.9725........................... ....do................ 3, 4, 6,
18
160.980............................ ....do................ 3, 4, 6
160.9875........................... ....do................ 3, 4, 6,
18
160.995............................ ....do................ 3, 4, 6
161.0025........................... ....do................ 3, 4, 6,
18
161.010............................ ....do................ 3, 4, 6
161.0175........................... ....do................ 3, 4, 6,
18
161.025............................ ....do................ 3, 4, 6
161.0325........................... ....do................ 3, 4, 6,
18
161.040............................ ....do................ 3, 4, 6
161.0475........................... ....do................ 3, 4, 6,
18
161.055............................ ....do................ 3, 4, 6
161.0625........................... ....do................ 3, 4, 6, 18
161.070............................ ....do................ 3, 4, 6
161.0775........................... ....do................ 3, 4, 6, 18
161.085............................ ....do................ 3, 4, 6
161.0925........................... ....do................ 3, 4, 6, 18
161.100............................ ....do................ 3, 4, 6
161.1075........................... ....do................ 3, 4, 6, 18
161.115............................ ....do................ 3, 4, 6
161.1225........................... ....do................ 3, 4, 6, 18
161.130............................ ....do................ 3, 4, 6
161.1375........................... ....do................ 3, 4, 6, 18
161.145............................ ....do................ 3, 4, 6
161.1525........................... ....do................ 3, 4, 6, 18
161.160............................ ....do................ 3, 4, 6
161.1675........................... ....do................ 3, 4, 6, 18
161.175............................ ....do................ 3, 4, 6
161.1825........................... ....do................ 3, 4, 6, 18
161.190............................ ....do................ 3, 4, 6
161.1975........................... ....do................ 3, 4, 6, 18
161.205............................ ....do................ 3, 4, 6
[[Page 411]]
161.2125........................... ....do................ 3, 4, 6, 18
161.220............................ ....do................ 3, 4, 6
161.2275........................... ....do................ 3, 4, 6, 18
161.235............................ ....do................ 3, 4, 6
161.2425........................... ....do................ 3, 4, 6, 18
161.250............................ ....do................ 3, 4, 6
161.2575........................... ....do................ 3, 4, 6, 18
161.265............................ ....do................ 3, 4, 6
161.2725........................... ....do................ 3, 4, 6, 18
161.280............................ ....do................ 3, 4, 6
161.2875........................... ....do................ 3, 4, 6, 18
161.295............................ ....do................ 3, 4, 6
161.3025........................... ....do................ 3, 4, 6, 18
161.310............................ ....do................ 3, 4, 6
161.3175........................... ....do................ 3, 4, 6, 18
161.325............................ ....do................ 3, 4, 6
161.3325........................... ....do................ 3, 4, 6, 18
161.340............................ ....do................ 3, 4, 6
161.3475........................... ....do................ 3, 4, 6, 18
161.355............................ ....do................ 3, 4, 6
161.3625........................... ....do................ 3, 4, 6, 18
161.370............................ ....do................ 3, 4, 6
161.3775........................... ....do................ 3, 4, 6, 18
161.385............................ ....do................ 3, 4, 7
161.3925........................... ....do................ 3, 4, 7, 18
161.400............................ ....do................ 3, 4, 7
161.4075........................... ....do................ 3, 4, 7, 18
161.415............................ ....do................ 3, 4, 7
161.4225........................... ....do................ 3, 4, 7, 18
161.430............................ ....do................ 3, 4, 7
161.4375........................... ....do................ 3, 4, 7, 18
161.445............................ ....do................ 3, 4, 7
161.4525........................... ....do................ 3, 4, 7, 18
161.460............................ ....do................ 3, 4, 7
161.4675........................... ....do................ 3, 4, 7, 18
161.475............................ ....do................ 3, 4, 7
161.4825........................... ....do................ 3, 4, 7, 18
161.490............................ ....do................ 3, 4, 7
161.4975........................... ....do................ 3, 4, 7, 18
161.505............................ ....do................ 3, 4, 7
161.5125........................... ....do................ 3, 4, 7, 18
161.520............................ ....do................ 3, 4, 7
161.5275........................... ....do................ 3, 4, 7, 18
161.535............................ ....do................ 3, 4, 7
161.5425........................... ....do................ 3, 4, 7, 18
161.550............................ ....do................ 3, 4, 7
161.5575........................... ....do................ 3, 4, 7, 18
161.565............................ ....do................ 3, 4, 7
169 to 172......................... Mobile, operational 8
fixed.
220-222............................ Base and mobile....... 20
406 to 413......................... Operational fixed..... 8
450 to 470......................... Fixed, base, or mobile 9, 23
452.3125........................... Mobile................ 24
452.325............................ Base or mobile........ 10
452.33125.......................... ....do................ 10, 22
452.33750.......................... ....do................ 10, 18
452.34375.......................... ....do................ 10, 22
452.3625........................... Mobile................ 24
452.375............................ Base or mobile........ 10
452.38125.......................... ....do................ 10, 22
452.38750.......................... ....do................ 10, 18
452.39375.......................... ....do................ 10, 22
452.4125........................... Mobile................ 24
452.425............................ Base or mobile........ 10
452.43125.......................... ....do................ 10, 22
452.43750.......................... ....do................ 10, 18
452.44375.......................... ....do................ 10, 22
452.4625........................... Mobile................ 24
452.475............................ Base or mobile........ 10
452.48125.......................... ....do................ 10, 22
452.48750.......................... ....do................ 10, 18
452.49375.......................... ....do................ 10, 22
452.7625........................... Mobile................ 24
452.775............................ Base or mobile........ 10
452.78125.......................... ....do................ 10, 22
452.78750.......................... ....do................ 10, 18
452.79375.......................... ....do................ 10, 22
452.8125........................... Mobile................ 24
452.825............................ Base or mobile........ 10
452.83125.......................... ....do................ 10, 22
452.83750.......................... ....do................ 10, 18
452.84375.......................... ....do................ 10, 22
452.8625........................... Mobile................ 24
452.875............................ Base or mobile........ 10
452.88125.......................... ....do................ 10, 22
452.88750.......................... ....do................ 10, 18
452.89375.......................... ....do................ 10, 22
452.900............................ ....do................ ...........
452.90625.......................... ....do................ 22
452.91250.......................... ....do................ 18
452.91875.......................... ....do................ 22
452.925............................ ....do................ 11
452.93125.......................... ....do................ 11, 22
452.93750.......................... ....do................ 11, 18
452.94375.......................... ....do................ 11, 22
452.950............................ ....do................ 11
452.95625.......................... ....do................ 11, 22
452.96250.......................... ....do................ 11, 18
452.96875.......................... ....do................ 11, 22
457.3125........................... Mobile................ 24
457.325............................ ....do................ 10
457.33125.......................... ....do................ 10, 22
457.33750.......................... ....do................ 10, 18
457.34375.......................... ....do................ 10, 22
457.3625........................... ....do................ 24
457.375............................ ....do................ 10
457.38125.......................... ....do................ 10, 22
457.38750.......................... ....do................ 10, 18
457.39375.......................... ....do................ 10, 22
457.4125........................... ....do................ 24
457.425............................ ....do................ 10
457.43125.......................... ....do................ 10, 22
457.43750.......................... ....do................ 10, 18
457.44375.......................... ....do................ 10, 22
457.4625........................... ....do................ 24
457.475............................ ....do................ 10
457.48125.......................... ....do................ 10, 22
457.48750.......................... ....do................ 10, 18
457.49375.......................... ....do................ 10, 22
457.7625........................... ....do................ 24
457.775............................ ....do................ 10
457.78125.......................... ....do................ 10, 22
457.78750.......................... ....do................ 10, 18
457.79375.......................... ....do................ 10, 22
457.8125........................... ....do................ 24
457.825............................ ....do................ 10
457.83125.......................... ....do................ 10, 22
457.83750.......................... ....do................ 10, 18
457.84375.......................... ....do................ 10, 22
457.8625........................... ....do................ 24
457.875............................ ....do................ 10
457.88125.......................... ....do................ 10, 22
457.88750.......................... ....do................ 10, 18
457.89375.......................... ....do................ 10, 22
457.900............................ ....do................ ...........
457.90625.......................... ....do................ 22
457.91250.......................... ....do................ 18
457.91875.......................... ....do................ 22
457.925............................ ....do................ 11
457.93125.......................... ....do................ 11, 22
457.93750.......................... ....do................ 11, 18
[[Page 412]]
457.94375.......................... ....do................ 11, 22
457.950............................ ....do................ 11
457.95625.......................... ....do................ 11, 22
457.96250.......................... ....do................ 11, 18
457.96875.......................... ....do................ 11, 22
470 to 512......................... Base or mobile........ 12
806 to 821......................... Mobile................ 13
851 to 866......................... Base or mobile........ 13
896 to 901......................... Mobile................ 13
928 and above...................... Operational fixed..... 14
929-930............................ Base only............. 19
935 to 940......................... Base or mobile........ 13
1427 to 1435....................... Operational fixed, 15
base or mobile.
2450 to 2500....................... Base or mobile........ 16
8400 to 8500....................... ....do................ 17
10,550 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 (c) of this section:
(1) The frequencies available for assignment to operational fixed
stations in the band 72.0 to 76.0 MHz are listed in Sec. 90.257(a)(1).
These frequencies which are shared with other services, are available
only in accordance with the provisions of Sec. 90.257.
(2) This frequency is available on a shared basis in the
Manufacturers, Forest Products, Special Industrial, Railroad, and Fire
Radio Services and interservice coordination is required. All
communications must be within the boundaries or confines of railroad
terminals or yards. All operations on this frequency are subject to the
provisions of Sec. 90.257(b).
(3) This frequency may be used for the following:
(i) End-to-end, fixed point-to-train, or train-to-train
communications in connection with the operation or railroad trains over
a track, in yards, or tracks extending through yards and between
stations upon which trains are operated by timetable, train order, or
both, or the use of which is governed by block signals.
(ii) Intercommunication between adjacent base stations, provided
interference is not caused to communications involving radio stations
aboard railroad rolling stock.
(iii) Transmission of tone signals for signaling purposes or for
remote control of locomotives, including slave locomotives placed within
a train to assist the lead locomotive by providing, among other
functions auxiliary starting, pulling, and braking actions; and radio
controlled cab indicator devices that are placed within a locomotive to
give visual signals to the operator of the locomotive.
(4) This frequency may also be used for the transmission of tone or
voice communications, including such communications when prerecorded,
for purposes of automatically indicating abnormal conditions of trackage
and railroad rolling stock when in motion, on a secondary basis to other
stations on this frequency. All such operations shall be subject to the
following:
(i) The output power shall not exceed 30 watts.
(ii) The bandwidth used shall not exceed that authorized to the
licensee for voice transmissions on the frequency concerned.
(iii) The station shall be so designed and installed that it can
normally be activated only by its associated automatic control equipment
and, in addition, it shall be equipped with a time delay or clock device
which will deactivate the station within three (3) minutes following
activation by the last car in the train.
(iv) Stations authorized pursuant to the provisions of this
subparagraph are exempt from the station identification requirements of
Sec. 90.425.
(5) This frequency is shared with and must be coordinated with the
Special Industrial Radio Service in Puerto Rico and the Virgin Islands.
(6) In Puerto Rico and the Virgin Islands only, this frequency is
available on a shared basis with remote pickup broadcast stations.
(7) In Puerto Rico and the Virgin Islands only, this frequency is
not available to stations operating in the Railroad Radio Service.
(8) Frequencies in this band will be assigned only for transmitting
hydrological or meteorological data or for low power wireless
microphones in accordance with the provisions of Sec. 90.265.
[[Page 413]]
(9) The requirements for secondary fixed use of frequencies in this
band are set forth in Sec. 90.261.
(10) This frequency is shared in the Motor Carrier and Railroad
Radio Services. It may be assigned only when all of the frequencies in
the 450-470 MHz band allocated to the service in which the applicant is
primarily eligible are assigned within 56 km. (35 mi.) of the proposed
base station.
(11) This frequency may be assigned primarily for stations used for
the purpose of controlling slave locomotives that are placed within a
train to assist the lead locomotive by providing, among other functions,
auxiliary starting, pulling, and braking actions. Additionally, on a
secondary basis this frequency may be assigned for remote control of all
types of locomotives and, within a railroad yard or terminal area, for
remote control of cab indicator devices placed with a locomotive to give
visual signals to the operator of the locomotive. (A1, A2, F1 or F2
emissions may be authorized.)
(12) Subpart L contains rules for assignment of frequencies in the
470-512 MHz band.
(13) Subpart S contains rules for assignment of frequencies in the
806-821/851-866 and 896-901/935-940 MHz bands.
(14) Assignment of frequencies above 928 MHz for operational-fixed
stations is governed by part 94 of this chapter.
(15) This frequency band is available to stations in this services
subject to the provisions of Sec. 90.259.
(16) 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 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.
(17) Use of this frequency band is limited to developmental
operation and is subject to the provisions of subpart Q.
(18) 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 Sec. 90.238(e) will be authorized on
this frequency.
(19) Frequencies in this band are available only for one-way paging
operations in accordance with Sec. 90.494.i
(20) Subpart T contains rules for assignment of frequencies in the
220-222 MHz band.
(21) This frequency is available on a shared basis in the Power,
Petroleum, Business, and Manufacturers Radio Services and interservice
coordination is required. All communications must be within the
boundaries or confines of railroad terminals or yards. All operations on
this frequency are subject to the provisions of Sec. 90.257(b). Pulsed
modulations will not be authorized.
(22) 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.
(23) Assignment of frequencies in this band are subject to the
provisions of Sec. 90.173
(24) 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.
(25) Licensees as of August 18, 1995 who operate systems that are
2.5 kHz removed from regularly assignable frequencies may continue to
operate on a secondary, non-interference basis after August 1, 2003.
(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 Sec. 90.253).
(1) [Reserved]
(2) 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 Sec. 90.257.)
(3) Base and mobile stations authorized as of April 1, 1968, to
operate on
[[Page 414]]
frequency 161.61 MHz may continue to be authorized for such operation on
a secondary basis to the Maritime Mobile Service. The licensees of such
stations may renew, modify, reinstate, or assign their licenses in those
cases where such assignment accompanies a change of ownership of the
licensee's business to the assignee, and may expand existing systems
when using that frequency; however, they will not be authorized to
establish any new systems on the frequency.
(4) Stations authorized for operation on or before June 11, 1962, on
the frequencies 169.575, 170.375, 171.175, 171.975, or 406.050 MHz may
continue to be authorized for such operation on a secondary basis to
Government stations.
(5) The frequency band 33.00-33.01 MHz may be used for developmental
operation subject to the provisions of subpart Q. Any type of emission
other than pulsed emission may be used if the bandwidth occupied by the
emission is contained within the assigned frequency band.
(6) Frequencies in the 421-430 MHz band are available in the
Detroit, Cleveland, and Buffalo areas in accordance with the rules in
Secs. 90.273 through 90.281.
(e) Limitation on number of frequencies assignable. Normally only
one frequency, or pair of frequencies in the paired frequency mode of
operation, will be assigned from 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 operation of mobile repeaters in accordance with
Sec. 90.247 notwithstanding this limitation.
(2) 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.
(Secs. 4(i) and 303(r), Communications Act of 1934, as amended,
Secs. 0.131 and 0.331 of the Commission's Rules and 5 U.S.C. 553
(b)(3)(B) and (d)(3); 47 U.S.C. 154(i) and )
[43 303 FR 54791 , Nov. 22, 1978]
Editorial Note: For Federal Register citations affecting
Sec. 90.91, see the List of CFR Sections Affected in the Finding Aids
section of this volume.
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