Goto Section: 78.17 | 78.19 | Table of Contents

FCC 78.18
Revised as of October 1, 2007
Goto Year:2006 | 2008
Sec.  78.18   Frequency assignments.

   (a) The Cable Television Relay Service is assigned the band of frequencies
   from  12.70 to 13.20 GHz. This band is shared with the Fixed-Satellite
   Service (earth-to-space) from 12.70 to 12.75 GHz and Television Auxiliary
   Broadcast Stations from 12.70 to 13.20 GHz. The following channels may be
   assigned  to CARS stations for the propagation of radio waves with the
   indicated polarization:

   (1) For CARS stations using FM transmission:

   Group A Channels
   Designation Channel boundaries (GHz)
   A01^1                  12.700–12.725
   A02^1                  12.725–12.750
   A03^1                  12.750–12.775
   A04^1                  12.775–12.800
   A05^1                  12.800–12.825
   A06^1                  12.825–12.850
   A07^1                  12.850–12.875
   A08^1                  12.875–12.900
   A09^1                  12.900–12.925
   A10^1                  12.925–12.950
   A11^1                  12.950–12.975
   A12^1                  12.975–13.000
   A13^1                  13.000–13.025
   A14^1                  13.025–13.050
   A15^1                  13.050–13.075
   A16^1                  13.075–13.100
   A17^1                  13.100–13.125
   A18^1                  13.125–13.150
   A19^1                ^213.150–13.175
   A20^1                ^213.170–13.200

   ^1Appropriate polarization designation:

   H=Horizontally polarized propagated radio wave.

   V=Vertically polarized propagated radio wave.

   R=Right-handed (clockwise) elliptically polarized propagated radio wave.

   L=Left-handed (counter-clockwise) elliptically polarized propagated radio
   wave.

   ^2See paragraph (l) of this section.

   Note: Polarization designations shall be in accordance with IEEE standard
   100–1972 as amended.

   Group B Channels
   Designation Channel boundaries (GHz)
   B01^1                12.7125–12.7375
   B02^1                12.7375–12.7625
   B03^1                12.7625–12.7875
   B04^1                12.7875–12.8125
   B05^1                12.8125–12.8375
   B06^1                12.8375–12.8625
   B07^1                12.8625–12.8875
   B08^1                12.8875–12.9125
   B09^1                12.9125–12.9375
   B10^1                12.9375–12.9625
   B11^1                12.9625–12.9875
   B12^1                12.9875–13.0125
   B13^1                13.0125–13.0375
   B14^1                13.0375–13.0625
   B15^1                13.0625–13.0875
   B16^1                13.0875–13.1125
   B17^1                13.1125–13.1375
   B18^1              ^213.1375–13.1625
   B19^1              ^213.1625–13.1875

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2See paragraph (l) of this section.

   Note: Polarization designations shall be in accordance with IEEE standard
   100–1972 as amended.

   (2)  CARS  stations  using  vestigal  sideband  AM transmission and FM
   transmission requiring a necessary bandwidth of no more than 6 MHz.

   Group C Channels
   Designation Channel
   boundaries (GHz)
   [C channels] Alternate
   change boundaries (GHz)
   [Ca channels]
   C01^1 12.7005–12.7065 12.7005–12.7065
   C02^1 12.7065–12.7125 12.7065–12.7125
   C03^1 12.7125–12.7185 12.7125–12.7185
   C04^1 12.7185–12.7225^2 12.7185–12.7245
   C05^1 12.7225–12.7285 12.7245–12.7305
   C06^1 12.7285–12.7345 12.7305–12.7365
   C07^1 12.7345–12.7405 12.7365–12.7425
   C08^1 12.7405–12.7465 12.7425–12.7485
   C09^1 12.7465–12.7525 12.7485–12.7545
   C10^1 12.7525–12.7545^2
   C11^1 12.7545–12.7605 12.7545–12.7605
   C12^1 12.7605–12.7665 12.7605–12.7665
   C13^1 12.7665–12.7725 12.7665–12.7725
   C14^1 12.7725–12.7785 12.7725–12.7785
   C15^1 12.7785–12.7845 12.7785–12.7845
   C16^1 12.7845–12.7905 12.7845–12.7905
   C17^1 12.7905–12.7965 12.7905–12.7965
   C18^1 12.7965–12.8025 12.7965–12.8025
   C19^1 12.8025–12.8085 12.8025–12.8085
   C20^1 12.8085–12.8145 12.8085–12.8145
   C21^1 12.8145–12.8205 12.8145–12.8205
   C22^1 12.8205–12.8265 12.8205–12.8265
   C23^1 12.8265–12.8325 12.8265–12.8325
   C24^1 12.8325–12.8385 12.8325–12.8385
   C25^1 12.8385–12.8445 12.8385–12.8445
   C26^1 12.8445–12.8505 12.8445–12.8505
   C27^1 12.8505–12.8565 12.8505–12.8565
   C28^1 12.8565–12.8625 12.8565–12.8625
   C29^1 12.8625–12.8685 12.8625–12.8685
   C30^1 12.8685–12.8745 12.8685–12.8745
   C31^1 12.8745–12.8805 12.8745–12.8805
   C32^1 12.8805–12.8865 12.8805–12.8865
   C33^1 12.8865–12.8925 12.8865–12.8925
   C34^1 12.8925–12.8985 12.8925–12.8985
   C35^1 12.8985–12.9045 12.8985–12.9045
   C36^1 12.9045–12.9105 12.9045–12.9105
   C37^1 12.9105–12.9165 12.9105–12.9165
   C38^1 12.9165–12.9225 12.9165–12.9225
   C39^1 12.9225–12.9285 12.9225–12.9285
   C40^1 12.9285–12.9345 12.9285–12.9345
   C41^1 12.9345–12.9405 12.9345–12.9405
   C42^1 12.9405–12.9465 12.9405–12.9465
   C43^1 12.9465–12.9525 12.9465–12.9525

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2For transmission of pilot subcarriers or other authorized narrow band
   signals.

   Group D Channels
   Designation Channel boundaries (GHz) [D channels] Alternate channel
   boundaries (GHz) [Da channels]
   D01^1 12.7597–12.7657 12.7597–12.7657
   D02^1 12.7657–12.7717 12.7657–12.7717
   D03^1 12.7717–12.7777 12.7717–12.7777
   D04^1 12.7777–12.7817^2 12.7777–12.7837
   D05^1 12.7817–12.7877 12.7837–12.7897
   D06^1 12.7877–12.7937 12.7897–12.7957
   D07^1 12.7937–12.7997 12.7957–12.8017
   D08^1 12.7997–12.8057 12.8017–12.8077
   D09^1 12.8057–12.8117 12.8077–12.8137
   D10^1 12.8117–12.8137^2 N/A
   D11^1 12.8137–12.8197 12.8137–12.8197
   D12^1 12.8197–12.8257 12.8197–12.8257
   D13^1 12.8257–12.8317 12.8257–12.8317
   D14^1 12.8317–12.8377 12.8317–12.8377
   D15^1 12.8377–12.8437 12.8377–12.8437
   D16^1 12.8437–12.8497 12.8437–12.8497
   D17^1 12.8497–12.8557 12.8497–12.8557
   D18^1 12.8557–12.8617 12.8557–12.8617
   D19^1 12.8617–12.8677 12.8617–12.8677
   D20^1 12.8677–12.8737 12.8677–12.8737
   D21^1 12.8737–12.8797 12.8737–12.8797
   D22^1 12.8797–12.8857 12.8797–12.8857
   D23^1 12.8857–12.8917 12.8857–12.8917
   D24^1 12.8917–12.8977 12.8917–12.8977
   D25^1 12.8977–12.9037 12.8977–12.9037
   D26^1 12.9037–12.9097 12.9037–12.9097
   D27^1 12.9097–12.9157 12.9097–12.9157
   D28^1 12.9157–12.9217 12.9157–12.9217
   D29^1 12.9217–12.9277 12.9217–12.9277
   D30^1 12.9277–12.9337 12.9277–12.9337
   D31^1 12.9337–12.9397 12.9337–12.9397
   D32^1 12.9397–12.9457 12.9397–12.9457
   D33^1 12.9457–12.9517 12.9457–12.9517
   D34^1 12.9517–12.9577 12.9517–12.9577
   D35^1 12.9577–12.9637 12.9577–12.9637
   D36^1 12.9637–12.9697 12.9637–12.9697
   D37^1 12.9697–12.9757 12.9697–12.9757
   D38^1 12.9757–12.9817 12.9757–12.9817
   D39^1 12.9817–12.9877 12.9817–12.9877
   D40^1 12.9877–12.9937 12.9877–12.9937
   D41^1 12.9937–12.9997 12.9937–12.9997
   D42^1 12.9997–13.0057 12.9997–13.0057
   D43^1 13.0057–13.0117 13.0057–13.0117

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2For transmission of pilot subcarriers or other authorized narrow band
   signals.

   Group E Channels
   Designation Channel boundaries (GHz) [E channels] Alternate channel
   boundaries (GHz) [Ea channels]
   E01^1 12.9525–12.9585 12.9525–12.9585
   E02^1 12.9585–12.9645 12.9585–12.9645
   E03^1 12.9645–12.9705 12.9645–12.9705
   E04^1 12.9705–12.9745^2 12.9705–12.9765
   E05^1 12.9745–12.9805 12.9765–12.9825
   E06^1 12.9805–12.9865 12.9825–12.9885
   E07^1 12.9865–12.9925 12.9885–12.9945
   E08^1 12.9925–12.9985 12.9945–13.0005
   E09^1 12.9985–13.0045 13.0005–13.0065
   E10^1 13.0045–13.0065^2 N/A
   E11^1 13.0065–13.0125 13.0065–13.0125
   E12^1 13.0125–13.0185 13.0125–13.0185
   E13^1 13.0185–13.0245 13.0185–13.0245
   E14^1 13.0245–13.0305 13.0245–13.0305
   E15^1 13.0305–13.0365 13.0305–13.0365
   E16^1 13.0365–13.0425 13.0365–13.0425
   E17^1 13.0425–13.0485 13.0425–13.0485
   E18^1 13.0485–13.0545 13.0485–13.0545
   E19^1 13.0545–13.0605 13.0545–13.0605
   E20^1 13.0605–13.0665 13.0605–13.0665
   E21^1 13.0665–13.0725 13.0665–13.0725
   E22^1 13.0725–13.0785 13.0725–13.0785
   E23^1 13.0785–13.0845 13.0785–13.0845
   E24^1 13.0845–13.0905 13.0845–13.0905
   E25^1 13.0905–13.0965 13.0905–13.0965
   E26^1 13.0965–13.1025 13.0965–13.1025
   E27^1 13.1025–13.1085 13.1025–13.1085
   E28^1 13.1085–13.1145 13.1085–13.1145
   E29^1 13.1145–13.1205 13.1145–13.1205
   E30^1 13.1205–13.1265 13.1205–13.1265
   E31^1 13.1265–13.1325 13.1265–13.1325
   E32^1 13.1325–13.1385 13.1325–13.1385
   E33^1 13.1385–13.1445 13.1385–13.1445
   E34^1 13.1445–13.1505^3 13.1445–13.1505^3
   E35^1 13.1505–13.1565^3 13.1505–13.1565^3
   E36^1 13.1565–13.1625^3 13.1565–13.1625^3
   E37^1 13.1625–13.1685^3 13.1625–13.1685^3
   E38^1 13.1685–13.1745^3 13.1685–13.1745^3
   E39^1 13.1745–13.1805^3 13.1745–13.1805^3
   E40^1 13.1805–13.1865^3 13.1805–13.1865^3
   E41^1 13.1865–13.1925^3 13.1865–13.1925^3
   E42^1 13.1925–13.1985^3 13.1925–13.1985^3

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2For transmission of pilot subcarriers or other authorized narrow band
   signals.

   ^3See paragraph (l) of this section.

   Group F Channels
   Designation Channel boundaries (GHz) [F channels] Alternate channel
   boundaries (GHz) [Fa channels]
   F01^1 13.0125–13.0185 13.0125–13.0185
   F02^1 13.0185–13.0245 13.0185–13.0245
   F03^1 13.0245–13.0305 13.0245–13.0305
   F04^1 13.0305–13.0345^2 13.0305–13.0365
   F05^1 13.0345–13.0405 13.0365–13.0425
   F06^1 13.0405–13.0465 13.0425–13.0485
   F07^1 13.0465–13.0525 13.0485–13.0545
   F08^1 13.0525–13.0585 13.0545–13.0605
   F09^1 13.0585–13.0645 13.0605–13.0665
   F10^1 13.0645–13.0665^2 N/A
   F11^1 13.0665–13.0725 13.0665–13.0725
   F12^1 13.0725–13.0785 13.0725–13.0785
   F13^1 13.0785–13.0845 13.0785–13.0845
   F14^1 13.0845–13.0905 13.0845–13.0905
   F15^1 13.0905–13.0965 13.0905–13.0965
   F16^1 13.0965–13.1025 13.0965–13.1025
   F17^1 13.1025–13.1085 13.1025–13.1085
   F18^1 13.1085–13.1145 13.1085–13.1145
   F19^1 13.1145–13.1205 13.1145–13.1205
   F20^1 13.1205–13.1265 13.1205–13.1265
   F21^1 13.1265–13.1325 13.1265–13.1325
   F22^1 13.1325–13.1385 13.1325–13.1385
   F23^1 13.1385–13.1445 13.1385–13.1445
   F24^1 13.1445–13.1505^3 13.1445–13.1505^3
   F25^1 13.1505–13.1565^3 13.1505–13.1565^3
   F26^1 13.1565–13.1625^3 13.1565–13.1625^3
   F27^1 13.1625–13.1685^3 13.1625–13.1685^3
   F28^1 13.1685–13.1745^3 13.1685–13.1745^3
   F29^1 13.1745–13.1805^3 13.1745–13.1805^3
   F30^1 13.1805–13.1865^3 13.1805–13.1865^3
   F31^1 13.1865–13.1925^3 13.1865–13.1925^3
   F32^1 13.1925–13.1985^3 13.1925–13.1985^3

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2For transmission of pilot subcarriers or other authorized narrow band
   signals.

   ^3See paragraph (l) of this section.

   (3) For CARS stations using AM and FM transmission requiring a necessary
   bandwidth of no more than 12.5 MHz.

   Group K Channel
   Designation Channel boundaries (GHz)
   K01^1                12.7000–12.7125
   K02^1                12.7125–12.7250
   K03^1                12.7250–12.7375
   K04^1                12.7375–12.7500
   K05^1                12.7500–12.7625
   K06^1                12.7625–12.7750
   K07^1                12.7750–12.7875
   K08^1                12.7875–12.8000
   K09^1                12.8000–12.8125
   K10^1                12.8125–12.8250
   K11^1                12.8250–12.8375
   K12^1                12.8375–12.8500
   K13^1                12.8500–12.8625
   K14^1                12.8625–12.8750
   K15^1                12.8750–12.8875
   K16^1                12.8875–12.9000
   K17^1                12.9000–12.9125
   K18^1                12.9125–12.9250
   K19^1                12.9250–12.9375
   K20^1                12.9375–12.9500
   K21^1                12.9500–12.9625
   K22^1                12.9625–12.9750
   K23^1                12.9750–12.9875
   K24^1                12.9875–13.0000
   K25^1                13.0000–13.0125
   K26^1                13.0125–13.0250
   K27^1                13.0250–13.0375
   K28^1                13.0375–13.0500
   K29^1                13.0500–13.0625
   K30^1                13.0625–13.0750
   K31^1                13.0750–13.0875
   K32^1                13.0875–13.1000
   K33^1                13.1000–13.1125
   K34^1                13.1125–13.1250
   K35^1                13.1250–13.1375
   K36^1                13.1375–13.1500
   K37^1,2              13.1500–13.1625
   K38^1,2              13.1625–13.1750
   K39^1,2              13.1750–13.1875
   K40^1,2              13.1875–13.2000

   ^1See footnote 1 following GROUP A CHANNELS.

   ^2See paragraph (l) of this section.

   (4)  The Cable Television Relay Service is also assigned the following
   frequencies in the 17,700–19,700 MHz band. These frequencies are co-equally
   shared with stations in other services under parts 25, 74, and 101 of this
   chapter. Cable Television Relay Service stations operating on frequencies in
   the sub-bands 18.318.58 GHz and 19.2619.3 GHz that were licensed or had
   applications pending before the Commission as of September 18, 1998 may
   continue those operations on a shared co-primary basis with other services
   under parts 25, 74, and 101 of this chapter. Such stations, however, are
   subject to relocation by licensees in the fixed-satellite service. Such
   relocation is subject to the provisions of  Sec.  Sec. 101.85 through 101.97 of this
   chapter. No new applications for part 78 licenses will be accepted in the
   19.26–19.3 GHz band after June 8, 2000, and no new applications for part 78
   licenses will be accepted in the 18.3–18.58 GHz band after November 19,
   2002.

   (i) 2 MHz maximum authorized bandwidth channel:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
   18141.0                                       n/a

   (ii) 6 MHz maximum authorized bandwidth channels:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
                  216 MHz Separation
   18145.0                                       n/a
   18151.0                                   18367.0
   18157.0                                   18373.0
   18163.0                                   18379.0
   18169.0                                   18385.0
   18175.0                                   18391.0
   18181.0                                   18397.0
   18187.0                                   18403.0
   18193.0                                   18409.0
   18199.0                                   18415.0
   18205.0                                   18421.0
   18211.0                                   18427.0
   18217.0                                   18433.0
   18223.0                                   18439.0
   18229.0                                   18445.0
   18235.0                                   18451.0
   18241.0                                   18457.0
   18247.0                                   18463.0
   18253.0                                   18469.0
   18259.0                                   18475.0
   18265.0                                   18481.0
   18271.0                                   18487.0
   18277.0                                   18493.0
   18283.0                                   18499.0
   18289.0                                   18505.0
   18295.0                                   18511.0
   18301.0                                   18517.0
   18307.0                                   18523.0
   18313.0                                   18529.0
   18319.0                                   18535.0
   18325.0                                   18541.0
   18331.0                                   18547.0
   18337.0                                   18553.0
   18343.0                                   18559.0
   18349.0                                   18565.0
   18355.0                                   18571.0
   18361.0                                   18577.0

   (iii) 10 MHz maximum authorized bandwidth channels:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
                 1560 MHz Separation
   17705.0                                   19265.0
   17715.0                                   19275.0
   17725.0                                   19285.0
   17735.0                                   19295.0
   17745.0                                   19305.0
   17755.0                                   19315.0
   17765.0                                   19325.0
   17775.0                                   19335.0
   17785.0                                   19345.0
   17795.0                                   19355.0
   17805.0                                   19365.0
   17815.0                                   19375.0
   17825.0                                   19385.0
   17835.0                                   19395.0
   17845.0                                   19405.0
   17855.0                                   19415.0
   17865.0                                   19425.0
   17875.0                                   19435.0
   17885.0                                   19445.0
   17895.0                                   19455.0
   17905.0                                   19465.0
   17915.0                                   19475.0
   17925.0                                   19485.0
   17935.0                                   19495.0
   17945.0                                   19505.0
   17955.0                                   19515.0
   17965.0                                   19525.0
   17975.0                                   19535.0
   17985.0                                   19545.0
   17995.0                                   19555.0
   18005.0                                   19565.0
   18015.0                                   19575.0
   18025.0                                   19585.0
   18035.0                                   19595.0
   18045.0                                   19605.0
   18055.0                                   19615.0
   18065.0                                   19625.0
   18075.0                                   19635.0
   18085.0                                   19645.0
   18095.0                                   19655.0
   18105.0                                   19665.0
   18115.0                                   19675.0
   18125.0                                   19685.0
   18135.0                                   19695.0

   (iv) 20 MHz maximum authorized bandwidth channels:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
                 1560 MHz Separation
   17710.0                                   19270.0
   17730.0                                   19290.0
   17750.0                                   19310.0
   17770.0                                   19330.0
   17790.0                                   19350.0
   17810.0                                   19370.0
   17830.0                                   19390.0
   17850.0                                   19410.0
   17870.0                                   19430.0
   17890.0                                   19450.0
   17910.0                                   19470.0
   17930.0                                   19490.0
   17950.0                                   19510.0
   17970.0                                   19530.0
   17990.0                                   19550.0
   18010.0                                   19570.0
   18030.0                                   19590.0
   18050.0                                   19610.0
   18070.0                                   19630.0
   18090.0                                   19650.0
   18110.0                                   19670.0
   18130.0                                   19690.0

   (v) 40 MHz maximum authorized bandwidth channels:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
                 1560 MHz Separation
   17720.0                                   19280.0
   17760.0                                   19320.0
   17800.0                                   19360.0
   17840.0                                   19400.0
   17880.0                                   19440.0
   17920.0                                   19480.0
   17960.0                                   19520.0
   18000.0                                   19560.0
   18040.0                                   19600.0
   18080.0                                   19640.0
   18120.0                                   19680.0

   (vi) 80 MHz maximum authorized bandwidth channels:
   Transmit (receive) (MHz) Receive (transmit) (MHz)
                 1560 MHz Separation
   17740.0                                   19300.0
   17820.0                                   19380.0
   17900.0                                   19460.0
   17980.0                                   19540.0
   18060.0                                   19620.0

   (5) 6425 to 6525 MHz—Mobile only. Paired and unpaired operations permitted.
   Use of this spectrum for direct delivery of video programs to the general
   public or multi-channel cable distribution is not permitted. This band is
   co-equally shared with mobile stations licensed pursuant to Parts 74 and 101
   of the Commission's Rules. The following channel plans apply.

   (i) 1 MHz maximum authorized bandwidth channels.
   Transmit (or receive) (MHz) Receive (or transmit) (MHz)
   6425.5                      6475.5
   6450.5                      6500.5

   (ii) 8 MHz maximum authorized bandwidth channels.
   Transmit (or receive) (MHz) Receive (or transmit) (MHz)
   6430.0                      6480.0
   6438.0                      6488.0
   6446.0                      6596.0
   6455.0                      6505.0
   6463.0                      6513.0
   6471.0                      6521.0

   (iii) 25 MHz maximum authorized bandwidth channels.
   Transmit (or receive) (MHz) Receive (or transmit) (MHz)
   6437.5                      6487.5
   6462.5                      6512.5

   (6) 1990–2110 MHz—Mobile only. (i) Use of this spectrum for direct delivery
   of video programs to the general public or multi-channel cable distribution
   is not permitted. This band is co-equally shared with stations licensed
   pursuant to parts 74 and 101 of the Commission's Rules. (Common carriers may
   use  this  band  pursuant to provisions of  Sec. 101.803(b)). The following
   channeling plan applies subject to the provisions of  Sec. 74.604.

   Frequency Band (MHz)

   1990–2008

   2008–2025

   2025–2042

   2042–2059

   2059–2076

   2076–2093

   2093–2110

   (ii) After a licensee has been relocated in accordance with the provisions
   of  Sec. 78.40, operations will be in the band 2025–2110 MHz. The following
   channel plan will apply, subject to the provisions of  Sec. 74.604 of this part:

   Frequency Band (MHz)

   2025.5–2037.5

   2037.5–2049.5

   2049.5–2061.5

   2061.5–2073.5

   2073.5–2085.5

   2085.5–2097.5

   2097.5–2109.5

   (7) 6875–7125 MHz—Mobile only. Use of this spectrum for direct delivery of
   video programs to the general public or multi-channel cable distribution is
   not  permitted.  This band is co-equally shared with stations licensed
   pursuant to parts 74 and 101 of the Commission's Rules. (Common carriers may
   use  this  band  pursuant to provisions of  Sec. 101.803(b)). The following
   channeling plan applies subject to the provisions of  Sec. 74.604.

   Frequency Band (MHz)

   6875—6900

   6900—6925

   6925—6950

   6950—6975

   6975—7000

   7000—7025

   7025—7050

   7050—7075

   7075—7100

   7100—7125

   (b) Television Auxiliary Broadcast Service stations may be assigned channels
   in  the  band 12.7013.20 GHz subject to the condition that no harmful
   interference is caused to fixed CARS stations authorized at the time of such
   grants. Translator Relay stations are assigned on a secondary basis. New
   CARS stations shall not cause harmful interference to television STL and
   intercity relay stations authorized at the time of such grants. Television
   pickup stations and CARS pickup stations will be assigned channels in the
   band  on  a  co-equal basis subject to the conditions that they accept
   interference from and cause no interference to existing or subsequently
   authorized  television  STL, television intercity relay, or fixed CARS
   stations.  Channels  in  the  13.150–13.200  GHz band will be assigned
   exclusively to television pickup and CARS pickup stations on a co-equal
   basis. A cable television system operator will normally be limited in any
   one area to the assignment of not more than three channels for CARS pickup
   use: Provided, however, That additional channels may be assigned upon a
   satisfactory  showing  that  additional channels are necessary and are
   available.

   (c) An application for a CARS station shall be specific with regard to the
   channel  or  channels  requested.  Channels shall be identified by the
   appropriate designations set forth in paragraph (a) of this section.

   (d)  For  CARS Fixed stations using FM transmission with an authorized
   bandwidth  per  channel of 25 MHz, to conserve spectrum applicants are
   encouraged  to  use alternate A and B channels such that adjacent R.F.
   carriers are spaced 12.5 MHz. As example, a fixed station in the CARS,
   relaying several channels, would use A01, B01, A02, B02, A03, etc.

   (e) For CARS stations using vestigial sideband AM transmissions, channels
   from only the Groups C, D, E or F and those frequencies listed in paragraph
   (a)(4)(ii) of this section normally will be assigned a station, although
   upon adequate showing variations in the use of channels in Groups C, D, E or
   F and those frequencies listed in paragraph (a)(4)(ii) of this section may
   be  authorized  on  a  case-by-case  basis in order to avoid potential
   interference or to permit a more efficient use. In situations where the
   number or the arrangement of channels available in these groups is not
   adequate,  or in order to avoid potential interference, or in order to
   achieve the required VHF channelization arrangement on the cable television
   system or for repeated operations, or for two way transmission, or upon the
   showing of other good cause, the use of channels in the Groups C, D, E or F
   and those frequencies listed in paragraph (a)(4)(ii) of this section may be
   authorized. Applicants are encouraged to apply for adjacent channels within
   each group of channels, except that different channel arrangements may be
   authorized  when  required  to  conform to the required channelization
   arrangement at VHF on the cable television system, when it is necessary to
   transmit non-adjacent off-the-air channels or signals intended to fill
   non-adjacent slots in the spectrum, or to avoid potential interference, or
   upon other showing of good cause.

   (f) For vestigial sideband AM transmission, the assigned visual carrier
   frequency  for  each  channel  listed in Groups C, D, E or F and those
   frequencies listed in paragraph (a)(4)(ii) of this section shall be 1.25 MHz
   above  the  lower channel-edge frequency. The center frequency for the
   accompanying FM aural carrier in each channel shall be 4.5 MHz above the
   corresponding visual carrier frequency.

   (g)  For  CARS  stations  using  double sideband AM transmission or FM
   transmission with authorized bandwidth of no more than 12.5 MHz, Group K
   channels normally will be assigned to a station, although upon adequate
   showing variations in the use of channels in Group K may be authorized on a
   case-by-case basis in order to avoid potential interference or to permit a
   more efficient use.

   (h) For double sideband AM transmission, the assigned carrier frequency for
   each channel listed in Group K shall be 6.25 MHz above the lower boundary
   frequency for each channel, and the sideband frequencies corresponding to
   the carrier frequency of the accompanying FM aural signal shall be 4.5 MHz
   above and below the visual carrier frequency.

   (i) All stations shall employ no more than a 12.5 MHz authorized bandwidth
   per channel except in any one or more of the following circumstances:

   (1) The station is a CARS pickup station;

   (2) The transmission path is more than 16.1 km (10 miles) in length;

   (3) The station was authorized or an application was on file therefor prior
   to July 26, 1973.

   (4) Other good cause has been shown that use of a bandwidth of 12.5 MHz or
   less per channel would be inefficient, impractical, or otherwise contrary to
   the public interest.

   (j) Should any conflict arise among applications for stations in this band,
   priority will be based on the filing date of an application completed in
   accordance with the instructions thereon.

   (k) Applicants for Group K channels shall apply for adjacent channels and
   the requested channels shall overlap the least possible number of Group A
   channels, except that different channel arrangements may be authorized upon
   an adequate showing that the foregoing arrangement cannot be used or would
   be  contrary  to  the  public interest, or in order to avoid potential
   interference or to permit a more efficient use.

   (l) The band 13.1513.20 GHz is reserved for television pickup and CARS
   pickup  stations  inside  a 50 km radius of the 100 television markets
   delineated in  Sec. 76.51 of this chapter. Outside a 50 km radius of the 100
   television markets delineated in  Sec. 76.51 of this chapter, television pickup
   stations, CARS stations and NGSO FSS gateway earth stations shall operate on
   a  primary  co-equal basis. The band 13.2013.2125 GHz is reserved for
   television pickup stations on a primary basis and CARS pickup stations on a
   secondary  basis  inside  a 50 km radius of the 100 television markets
   delineated in  Sec. 76.51 of this chapter. Outside a 50 km radius of the 100
   markets delineated in  Sec. 76.51 of this chapter, television pickup stations and
   NGSO FSS gateway earth stations shall operate on a co-primary basis, CARS
   stations shall operate on a secondary basis. Fixed television auxiliary
   stations  licensed pursuant to applications accepted for filing before
   September 1, 1979, may continue operation on channels in the 13.15–13.25 GHz
   band,  subject  to  periodic license renewals. NGSO FSS gateway uplink
   transmissions in the 13.15–13.2125 GHz segment shall be limited to a maximum
   EIRP of 3.2 dBW towards 0 degrees on the radio horizon. These provisions
   shall not apply to GSO FSS operations in the 12.75–13.25 GHz band.

   (m) CARS stations may be authorized for use of the band from 13.20 to 13.25
   GHz on a secondary basis to Television Broadcast Auxiliary Stations. CARS
   stations  are  also secondary to NGSO FSS gateway earth station uplink
   operations. Any CARS application seeking authorization for use of the 13.20
   to 13.25 GHz band must demonstrate that the applicant has exhausted all
   spectrum available to it in the 12.70 to 13.20 GHz band. Applications for
   use of this band must specify whether the channels are 6 MHz, 12.5 MHz, or
   25 MHz wide and give the upper and lower boundaries and the polarization for
   each channel.

   [ 37 FR 3292 , Feb. 12, 1972. Redesignated at  37 FR 15926 , Aug. 8, 1972]

   Editorial Note:   ForFederal Registercitations affecting  Sec. 78.18, see the
   List of CFR Sections Affected, which appears in the Finding Aids section of
   the printed volume and on GPO Access.


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