§ 78.18 Frequency assignments.

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Title 47—Telecommunication > CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION > SUBCHAPTER C—BROADCAST RADIO SERVICES > PART 78—CABLE TELEVISION RELAY SERVICE > Subpart B—Applications and Licenses

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(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

2 13.150-13.175

A20 1

2 13.170-13.200

1 Appropriate 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.

2 See 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

2 13.1375-13.1625

B19 1

2 13.1625-13.1875

1 See footnote 1 following GROUP A CHANNELS.

2 See 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

Channelboundaries (GHz)[C channels]

Alternatechange boundaries (GHz)[Ca channels]

C01 1

12.7005-12.7065

C02 1

12.7065-12.7125

C03 1

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

C12 1

12.7605-12.7665

C13 1

12.7665-12.7725

C14 1

12.7725-12.7785

C15 1

12.7785-12.7845

C16 1

12.7845-12.7905

C17 1

12.7905-12.7965

C18 1

12.7965-12.8025

C19 1

12.8025-12.8085

C20 1

12.8085-12.8145

C21 1

12.8145-12.8205

C22 1

12.8205-12.8265

C23 1

12.8265-12.8325

C24 1

12.8325-12.8385

C25 1

12.8385-12.8445

C26 1

12.8445-12.8505

C27 1

12.8505-12.8565

C28 1

12.8565-12.8625

C29 1

12.8625-12.8685

C30 1

12.8685-12.8745

C31 1

12.8745-12.8805

C32 1

12.8805-12.8865

C33 1

12.8865-12.8925

C34 1

12.8925-12.8985

C35 1

12.8985-12.9045

C36 1

12.9045-12.9105

C37 1

12.9105-12.9165

C38 1

12.9165-12.9225

C39 1

12.9225-12.9285

C40 1

12.9285-12.9345

C41 1

12.9345-12.9405

C42 1

12.9405-12.9465

C43 1

12.9465-12.9525

1 See footnote 1 following GROUP A CHANNELS.

2 For 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

D02 1

12.7657-12.7717

D03 1

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

D12 1

12.8197-12.8257

D13 1

12.8257-12.8317

D14 1

12.8317-12.8377

D15 1

12.8377-12.8437

D16 1

12.8437-12.8497

D17 1

12.8497-12.8557

D18 1

12.8557-12.8617

D19 1

12.8617-12.8677

D20 1

12.8677-12.8737

D21 1

12.8737-12.8797

D22 1

12.8797-12.8857

D23 1

12.8857-12.8917

D24 1

12.8917-12.8977

D25 1

12.8977-12.9037

D26 1

12.9037-12.9097

D27 1

12.9097-12.9157

D28 1

12.9157-12.9217

D29 1

12.9217-12.9277

D30 1

12.9277-12.9337

D31 1

12.9337-12.9397

D32 1

12.9397-12.9457

D33 1

12.9457-12.9517

D34 1

12.9517-12.9577

D35 1

12.9577-12.9637

D36 1

12.9637-12.9697

D37 1

12.9697-12.9757

D38 1

12.9757-12.9817

D39 1

12.9817-12.9877

D40 1

12.9877-12.9937

D41 1

12.9937-12.9997

D42 1

12.9997-13.0057

D43 1

13.0057-13.0117

1 See footnote 1 following GROUP A CHANNELS.

2 For 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

E02 1

12.9585-12.9645

E03 1

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

E12 1

13.0125-13.0185

E13 1

13.0185-13.0245

E14 1

13.0245-13.0305

E15 1

13.0305-13.0365

E16 1

13.0365-13.0425

E17 1

13.0425-13.0485

E18 1

13.0485-13.0545

E19 1

13.0545-13.0605

E20 1

13.0605-13.0665

E21 1

13.0665-13.0725

E22 1

13.0725-13.0785

E23 1

13.0785-13.0845

E24 1

13.0845-13.0905

E25 1

13.0905-13.0965

E26 1

13.0965-13.1025

E27 1

13.1025-13.1085

E28 1

13.1085-13.1145

E29 1

13.1145-13.1205

E30 1

13.1205-13.1265

E31 1

13.1265-13.1325

E32 1

13.1325-13.1385

E33 1

13.1385-13.1445

E34 1

13.1445-13.1505 3

E35 1

13.1505-13.1565 3

E36 1

13.1565-13.1625 3

E37 1

13.1625-13.1685 3

E38 1

13.1685-13.1745 3

E39 1

13.1745-13.1805 3

E40 1

13.1805-13.1865 3

E41 1

13.1865-13.1925 3

E42 1

13.1925-13.1985 3

1 See footnote 1 following GROUP A CHANNELS.

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

3 See 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

F02 1

13.0185-13.0245

F03 1

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

F12 1

13.0725-13.0785

F13 1

13.0785-13.0845

F14 1

13.0845-13.0905

F15 1

13.0905-13.0965

F16 1

13.0965-13.1025

F17 1

13.1025-13.1085

F18 1

13.1085-13.1145

F19 1

13.1145-13.1205

F20 1

13.1205-13.1265

F21 1

13.1265-13.1325

F22 1

13.1325-13.1385

F23 1

13.1385-13.1445

F24 1

13.1445-13.1505 3

F25 1

13.1505-13.1565 3

F26 1

13.1565-13.1625 3

F27 1

13.1625-13.1685 3

F28 1

13.1685-13.1745 3

F29 1

13.1745-13.1805 3

F30 1

13.1805-13.1865 3

F31 1

13.1865-13.1925 3

F32 1

13.1925-13.1985 3

1 See footnote 1 following GROUP A CHANNELS.

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

3 See 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

1 See footnote 1 following GROUP A CHANNELS.

2 See paragraph (l) of this section.

(4) The Cable Television Relay Service is also assigned frequencies in the 17,700-18,300 MHz and 19,300-19,700 MHz bands as listed in the tables found in the following paragraphs. These frequencies are co-equally shared with stations in other services under parts 25, 74, and 101 of this chapter. Licensees in the fixed-satellite service may require that licensees of grandfathered stations operating in the 18.3-18.58 GHz and 19.26-19.3 GHz bands cease operations in accordance with the provisions in § 101.95 of this chapter.

(i) 2 MHz maximum authorized bandwidth channel:

Transmit (receive) (MHz)

Receive (transmit) (MHz)

18141.0

n/a

(ii) [Reserved]

(iii) 10 MHz maximum authorized bandwidth channels:

Table 10 to Paragraph (a)(4)(iii)

Transmit (receive)

(MHz)

Receive (transmit)

(MHz)

1560 MHz Separation

17705.0

n/a

17715.0

n/a

17725.0

n/a

17735.0

n/a

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:

Table 11 to Paragraph (a)(4)(iv)

Transmit (receive)

(MHz)

Receive (transmit)

(MHz)

1560 MHz Separation

17710.0

n/a

17730.0

n/a

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:

Table 12 to Paragraph (a)(4)(v)

Transmit (receive)

(MHz)

Receive (transmit)

(MHz)

1560 MHz Separation

17720.0

n/a

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:

Table 13 to Paragraph (a)(4)(vi)

Transmit (receive)

(MHz)

Receive (transmit)

(MHz)

1560 MHz Separation

17740.0

n/a

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

6496.0

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 § 101.803(b)). The following channeling plan applies subject to the provisions of § 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 § 78.40, operations will be in the band 2025-2110 MHz. The following channel plan will apply, subject to the provisions of § 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 § 101.803(b)). The following channeling plan applies subject to the provisions of § 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 12.70-13.20 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 13.15-13.20 GHz is reserved for television pickup and CARS pickup stations inside a 50 km radius of the 100 television markets delineated in § 76.51 of this chapter. Outside a 50 km radius of the 100 television markets delineated in § 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 13.20-13.2125 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 § 76.51 of this chapter. Outside a 50 km radius of the 100 markets delineated in § 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:For Federal Register citations affecting § 78.18, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.