Goto Section: 87.473 | 87.477 | Table of Contents

FCC 87.475
Revised as of October 1, 2006
Goto Year:2005 | 2007
Sec.  87.475   Frequencies.

   (a) Frequency coordination. The Commission will assign frequencies to
   radionavigation land stations and radionavigation land test stations after
   coordination with the FAA. The applicant must notify the appropriate
   Regional Office of the FAA prior to submission to the Commission of an
   application for a new station or for modification of an existing station to
   change frequency, power, location or emission. Each application must include
   the FAA Regional Office notified and date of notification.

   (b) Frequencies available for radionavigation land stations. (1) LORAN-C is
   a long range navigation system which operates in the 90–110 kHz band.

   (2) Radiobeacon stations enable an aircraft station to determine bearing or
   direction in relation to the radiobeacon station. Radiobeacons operate in
   the bands 190–285 kHz; 325–435 kHz; 510–525 kHz; and 525–535 kHz.
   Radiobeacons may be authorized, primarily for off-shore use, in the band
   525–535 kHz on a non-interference basis to travelers information stations.

   (3) Aeronautical marker beacon stations radiate a vertical distinctive
   pattern on 75 MHz which provides position information to aircraft.

   (4) The following table lists the specific frequencies in the
   108.100–111.950 MHz band which are assignable to localizer stations with
   simultaneous radiotelephone channels and their associated glide path station
   frequency from the 328.600–335.400 MHz band.


------------------------------------------------------------------------
          Localizer (MHz)                      Glide path (MHz)
------------------------------------------------------------------------
                108.100                              334.700
                108.150                              334.550
                108.300                              334.100
                108.350                              333.950
                108.500                              329.900
                108.550                              329.750
                108.700                              330.500
                108.750                              330.350
                108.900                              329.300
                108.950                              329.150
                109.100                              331.400
                109.150                              331.250
                109.300                              332.000
                109.350                              331.850
                109.500                              332.600
                109.550                              332.450
                109.700                              333.200
                109.750                              333.050
                109.900                              333.800
                109.950                              333.650
                110.100                              334.400
                110.150                              334.250
                110.300                              335.000
                110.350                              334.850
                110.500                              329.600
                110.550                              329.450
                110.700                              330.200
                110.750                              330.050
                110.900                              330.800
                110.950                              330.650
                111.100                              331.700
                111.150                              331.550
                111.300                              332.300
                111.350                              332.150
                111.500                              332.900
                111.550                              332.750
                111.700                              333.500
                111.750                              333.350
                111.900                              331.100
                111.950                              330.950
------------------------------------------------------------------------

   (5) VHF omni-range (VOR) stations are to be assigned frequencies in the
   112.050–117.950 MHz band (50 kHz channel spacing) and the following
   frequencies in the 108–112 MHz band:

   108.200
   108.250
   108.400
   108.450
   108.600
   108.650
   108.800
   108.850
   109.000
   109.050
   109.200
   109.250
   109.400
   109.450
   109.600
   109.650
   109.800
   109.850
   110.000
   110.050
   110.200
   110.250
   110.400
   110.450
   110.600
   110.650
   110.800
   110.850
   111.000
   111.050
   111.200
   111.250
   111.400
   111.450
   111.600
   111.650
   111.800
   111.850
   112.000

   (6) The band 960–1215 MHz is available for the use of land stations and
   associated airborne electronic aids to air navigation. When distance
   measuring equipment (DME) is intended to operate with a single VHF
   navigation station in the 108–117.975 MHz band, the DME operating channel
   must be paired with the VHF channel as shown in the following table:

                       DME Channeling and Pairing
                                  [MHz]
------------------------------------------------------------------------
                         Airborne interrogating
      VHF channel               frequency         Ground reply frequency
------------------------------------------------------------------------
          108.000                 1041.000                  978.000
          108.050                 1041.000                 1104.000
          108.100                 1042.000                  979.000
          108.150                 1042.000                 1105.000
          108.200                 1043.000                  980.000
          108.250                 1043.000                 1106.000
          108.300                 1044.000                  981.000
          108.350                 1044.000                 1107.000
          108.400                 1045.000                  982.000
          108.450                 1045.000                 1108.000
          108.500                 1046.000                  983.000
          108.550                 1046.000                 1109.000
          108.600                 1047.000                  984.000
          108.650                 1047.000                 1110.000
          108.700                 1048.000                  985.000
          108.750                 1048.000                 1111.000
          108.800                 1049.000                  986.000
          108.850                 1049.000                 1112.000
          108.900                 1050.000                  987.000
          108.950                 1050.000                 1113.000
          109.000                 1051.000                  988.000
          109.050                 1051.000                 1114.000
          109.100                 1052.000                  989.000
          109.150                 1052.000                 1115.000
          109.200                 1053.000                  990.000
          109.250                 1053.000                 1116.000
          109.300                 1054.000                  991.000
          109.350                 1054.000                 1117.000
          109.400                 1055.000                  992.000
          109.450                 1055.000                 1118.000
          109.500                 1056.000                  993.000
          109.550                 1056.000                 1119.000
          109.600                 1057.000                  994.000
          109.650                 1057.000                 1120.000
          109.700                 1058.000                  995.000
          109.750                 1058.000                 1121.000
          109.800                 1059.000                  996.000
          109.850                 1059.000                 1122.000
          109.900                 1060.000                  997.000
          109.950                 1060.000                 1123.000
          110.000                 1061.000                  998.000
          110.050                 1061.000                 1124.000
          110.100                 1062.000                  999.000
          110.150                 1062.000                 1125.000
          110.200                 1063.000                 1000.000
          110.250                 1063.000                 1126.000
          110.300                 1064.000                 1001.000
          110.350                 1064.000                 1127.000
          110.400                 1065.000                 1002.000
          110.450                 1065.000                 1128.000
          110.500                 1066.000                 1003.000
          110.550                 1066.000                 1129.000
          110.600                 1067.000                 1004.000
          110.650                 1067.000                 1130.000
          110.700                 1068.000                 1005.000
          110.750                 1068.000                 1131.000
          110.800                 1069.000                 1006.000
          110.850                 1069.000                 1132.000
          110.900                 1070.000                 1007.000
          110.950                 1070.000                 1133.000
          111.000                 1071.000                 1008.000
          111.050                 1071.000                 1134.000
          111.100                 1072.000                 1009.000
          111.150                 1072.000                 1135.000
          111.200                 1073.000                 1010.000
          111.250                 1073.000                 1136.000
          111.300                 1074.000                 1011.000
          111.350                 1074.000                 1137.000
          111.400                 1075.000                 1012.000
          111.450                 1075.000                 1138.000
          111.500                 1076.000                 1013.000
          111.550                 1076.000                 1139.000
          111.600                 1077.000                 1014.000
          111.650                 1077.000                 1140.000
          111.700                 1078.000                 1015.000
          111.750                 1078.000                 1141.000
          111.800                 1079.000                 1016.000
          111.850                 1079.000                 1142.000
          111.900                 1080.000                 1017.000
          111.950                 1080.000                 1143.000
          112.000                 1081.000                 1018.000
          112.050                 1081.000                 1144.000
          112.100                 1082.000                 1019.000
          112.150                 1082.000                 1145.000
          112.200                 1083.000                 1020.000
          112.250                 1083.000                 1146.000
          112.300                 1094.000                 1157.000
          112.350                 1094.000                 1031.000
          112.400                 1095.000                 1158.000
          112.450                 1095.000                 1032.000
          112.500                 1096.000                 1159.000
          112.550                 1096.000                 1033.000
          112.600                 1097.000                 1160.000
          112.650                 1097.000                 1034.000
          112.700                 1098.000                 1161.000
          112.750                 1098.000                 1035.000
          112.800                 1099.000                 1162.000
          112.850                 1099.000                 1036.000
          112.900                 1100.000                 1163.000
          112.950                 1100.000                 1037.000
          113.000                 1101.000                 1164.000
          113.050                 1101.000                 1038.000
          113.100                 1102.000                 1165.000
          113.150                 1102.000                 1039.000
          113.200                 1103.000                 1166.000
          113.250                 1103.000                 1040.000
          113.300                 1104.000                 1167.000
          113.350                 1104.000                 1041.000
          113.400                 1105.000                 1168.000
          113.450                 1105.000                 1042.000
          113.500                 1106.000                 1169.000
          113.550                 1106.000                 1043.000
          113.600                 1107.000                 1170.000
          113.650                 1107.000                 1044.000
          113.700                 1108.000                 1171.000
          113.750                 1108.000                 1045.000
          113.800                 1109.000                 1172.000
          113.850                 1109.000                 1046.000
          113.900                 1110.000                 1173.000
          113.950                 1110.000                 1047.000
          114.000                 1111.000                 1174.000
          114.050                 1111.000                 1048.000
          114.100                 1112.000                 1175.000
          114.150                 1112.000                 1049.000
          114.200                 1113.000                 1176.000
          114.250                 1113.000                 1050.000
          114.300                 1114.000                 1177.000
          114.350                 1114.000                 1051.000
          114.400                 1115.000                 1178.000
          114.450                 1115.000                 1052.000
          114.500                 1116.000                 1179.000
          114.550                 1116.000                 1053.000
          114.600                 1117.000                 1180.000
          114.650                 1117.000                 1054.000
          114.700                 1118.000                 1181.000
          114.750                 1118.000                 1055.000
          114.800                 1119.000                 1182.000
          114.850                 1119.000                 1056.000
          114.900                 1120.000                 1183.000
          114.950                 1120.000                 1057.000
          115.000                 1121.000                 1184.000
          115.050                 1121.000                 1058.000
          115.100                 1122.000                 1185.000
          115.150                 1122.000                 1059.000
          115.200                 1123.000                 1186.000
          115.250                 1123.000                 1060.000
          115.300                 1124.000                 1187.000
          115.350                 1124.000                 1061.000
          115.400                 1125.000                 1188.000
          115.450                 1125.000                 1062.000
          115.500                 1126.000                 1189.000
          115.550                 1126.000                 1063.000
          115.600                 1127.000                 1190.000
          115.650                 1127.000                 1064.000
          115.700                 1128.000                 1191.000
          115.750                 1128.000                 1065.000
          115.800                 1129.000                 1192.000
          115.850                 1129.000                 1066.000
          115.900                 1130.000                 1193.000
          115.950                 1130.000                 1067.000
          116.000                 1131.000                 1194.000
          116.050                 1131.000                 1068.000
          116.100                 1132.000                 1195.000
          116.150                 1132.000                 1069.000
          116.200                 1133.000                 1196.000
          116.250                 1133.000                 1070.000
          116.300                 1134.000                 1197.000
          116.350                 1134.000                 1071.000
          116.400                 1135.000                 1198.000
          116.450                 1135.000                 1072.000
          116.500                 1136.000                 1199.000
          116.550                 1136.000                 1073.000
          116.600                 1137.000                 1200.000
          116.650                 1137.000                 1074.000
          116.700                 1138.000                 1201.000
          116.750                 1138.000                 1075.000
          116.800                 1139.000                 1202.000
          116.850                 1139.000                 1076.000
          116.900                 1140.000                 1203.000
          116.950                 1140.000                 1077.000
          117.000                 1141.000                 1204.000
          117.050                 1141.000                 1078.000
          117.100                 1142.000                 1205.000
          117.150                 1142.000                 1079.000
          117.200                 1143.000                 1206.000
          117.250                 1143.000                 1080.000
          117.300                 1144.000                 1207.000
          117.350                 1144.000                 1081.000
          117.400                 1145.000                 1208.000
          117.450                 1145.000                 1082.000
          117.500                 1146.000                 1209.000
          117.550                 1146.000                 1083.000
          117.600                 1147.000                 1210.000
          117.650                 1147.000                 1084.000
          117.700                 1148.000                 1211.000
          117.750                 1148.000                 1085.000
          117.800                 1149.000                 1212.000
          117.850                 1149.000                 1086.000
          117.900                 1150.000                 1213.000
          117.950                 1150.000                 1087.000
------------------------------------------------------------------------

   (7) 1300–1350 MHz: The use of this band is restricted to surveillance radar
   stations and associated airborne transponders.

   (8) 1559–1626.5 MHz: The use of this band is limited to airborne electronic
   aids to air navigation and any associated land stations.

   (c) Frequencies available for radionavigation land test stations. (1) The
   frequencies set forth in  Sec. 87.187(c), (e) through (j), (r), and (t) and
    Sec. 87.475(b) (6) through (10), and (12) may be assigned to radionavigation
   land test stations for the testing of aircraft transmitting equipment that
   normally operate on these frequencies and for the testing of land-based
   receiving equipment that operate with airborne radionavigation equipment.

   (2) The frequencies available for assignment to radionavigation land test
   stations for the testing of airborne receiving equipment are 108.000 and
   108.050 MHz for VHF omni-range; 108.100 and 108.150 MHz for localizer;
   334.550 and 334.700 MHz for glide slope; 978 and 979 MHz (X channel)/1104
   MHz (Y channel) for DME; 1030 MHz for air traffic control radar beacon
   transponders; 1090 MHz for Traffic Alert and Collision Avoidance Systems
   (TCAS); and 5031.0 MHz for microwave landing systems. Additionally, the
   frequencies in paragraph (b) of this section may be assigned to
   radionavigation land test stations after coordination with the FAA. The
   following conditions apply:

   (i) The maximum power authorized on the frequencies 108.150 and 334.550 MHz
   is 1 milliwatt. The maximum power authorized on all other frequencies is one
   watt.

   (ii) The pulse repetition rate (PRR) of the 1030 MHz ATC radar beacon test
   set will be 235 pulses per second (pps)  ±5pps.

   (iii) The assignment of 108.000 MHz is subject to the condition that no
   interference will be caused to the reception of FM broadcasting stations and
   stations using the frequency are not protected against interference from FM
   broadcasting stations.

   (d) Frequencies available for ELT test stations. The frequencies available
   for assignment to ELT test stations are 121.600, 121.650, 121.700, 121.750,
   121.800, 121.850, and 121.900 MHz. Licensees must:

   (1) Not cause harmful interference to voice communications on these
   frequencies or any harmonically related frequency.

   (2) Coordinate with the appropriate FAA Regional Spectrum Management Office
   prior to each activation of the transmitter.

   (e) Frequencies available for differential GPS stations. Frequencies in the
   112–118 MHz band may be assigned to Special Category I (SCAT-I) ground
   stations for differential GPS data links.

   (1) The frequencies available are on 25 kHz centers with the lowest
   assignable frequency being centered at 112.000 MHz and the highest
   assignable frequency being centered at 117.950 MHz.

   (2) Applicants must coordinate a frequency, time slot assignment, and
   three-letter identifier with the FAA and provide this information to the
   Commission upon application.

   [ 53 FR 28940 , Aug. 1, 1988, as amended at  54 FR 11721 , Mar. 22, 1989;  63 FR 68958 , Dec. 14, 1998;  64 FR 27476 , May 20, 1999;  69 FR 32886 , June 14, 2004]


Goto Section: 87.473 | 87.477

Goto Year: 2005 | 2007
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