Goto Section: 87.473 | 87.477 | Table of Contents

FCC 87.475
Revised as of October 1, 2008
Goto Year:2007 | 2009
  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]
   VHF channel Airborne interrogating 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.

   (9) 978.0 MHz is authorized for Universal Access Transceiver service.

   (c) Frequencies available for radionavigation land test stations. (1) The
   frequencies set forth in  Sec. 87.187(c), (e) through (j), (r), (t), and (ff) and
    Sec. 87.475(b)(6)   through  (b)(10),  and  (b)(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; 978 MHz for Universal Access Transceiver; 1030 MHz
   for  air traffic control radar beacon transponders; 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;
    71 FR 70680 , Dec. 6, 2006]


Goto Section: 87.473 | 87.477

Goto Year: 2007 | 2009
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