Allocations

 
U.S. Non-Federal-Government Allocations
5150 - 5250 MHz
FIXED-SATELLITE (Earth-to-space) 5.447A US344
AERONAUTICAL RADIONAVIGATION US260


U.S. Federal Government Allocations
5150 - 5250 MHz
AERONAUTICAL RADIONAVIGATION US260


ITU Region 1 Allocations
5150 - 5250 MHz
FIXED-SATELLITE (Earth-to-space) 5.447A
MOBILE except aeronautical mobile 5.446A 5.446B
AERONAUTICAL RADIONAVIGATION


ITU Region 2 Allocations
5150 - 5250 MHz
FIXED-SATELLITE (Earth-to-space) 5.447A
MOBILE except aeronautical mobile 5.446A 5.446B
AERONAUTICAL RADIONAVIGATION


ITU Region 3 Allocations
5150 - 5250 MHz
FIXED-SATELLITE (Earth-to-space) 5.447A
MOBILE except aeronautical mobile 5.446A 5.446B
AERONAUTICAL RADIONAVIGATION


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Footnotes


5.446 Additional allocation: in the countries listed in Nos. 5.369 and 5.400, the band 5150-5216 MHz is also allocated to the radiodetermination-satellite service (space-to-Earth) on a primary basis, subject to agreement obtained under No. 9.21. In Region 2, the band is also allocated to the radiodetermination-satellite service (space-to-Earth) on a primary basis. In Regions 1 and 3, except those countries listed in Nos. 5.369 and 5.400, the band is also allocated to the radiodetermination-satellite service (space-to-Earth) on a secondary basis. The use by the radiodetermination-satellite service is limited to feeder links in conjunction with the radiodetermination-satellite service operating in the bands 1610-1626.5 MHz and/or 2483.5-2500 MHz. The total power flux-density at the Earth’s surface shall in no case exceed -159 dB(W/m²) in any 4 kHz band for all angles of arrival.

5.446A The use of the bands 5150-5350 MHz and 5470-5725 MHz by the stations in the mobile, except aeronautical mobile, service shall be in accordance with Resolution 229 (WRC 03). (WRC-07)

5.446B In the band 5150-5250 MHz, stations in the mobile service shall not claim protection from earth stations in the fixed-satellite service. No. 5.43A does not apply to the mobile service with respect to fixed-satellite service earth stations.

5.446C Additional allocation: in Region 1 (except in Algeria, Saudi Arabia, Bahrain, Egypt, United Arab Emirates, Jordan, Kuwait, Lebanon, Morocco, Oman, Qatar, Syrian Arab Republic, Sudan and Tunisia) and in Brazil, the band 5150-5250 MHz is also allocated to the aeronautical mobile service on a primary basis, limited to aeronautical telemetry transmissions from aircraft stations (see No. 1.83), in accordance with Resolution 418 (WRC-07). These stations shall not claim protection from other stations operating in accordance with Article 5. No. 5.43A does not apply. (WRC-07)

5.447 Additional allocation: in Côte d’Ivoire, Israel, Lebanon, Pakistan, the Syrian Arab Republic and Tunisia, the band 5150-5250 MHz is also allocated to the mobile service, on a primary basis, subject to agreement obtained under No. 9.21. In this case, the provisions of Resolution 229 (WRC 03) do not apply. (WRC-07)

5.447A The allocation to the fixed-satellite service (Earth-to-space) is limited to feeder links of nongeostationary-satellite systems in the mobile-satellite service and is subject to coordination under No. 9.11A.

5.447B Additional allocation: the band 5150-5216 MHz is also allocated to the fixed-satellite service (space-to-Earth) on a primary basis. This allocation is limited to feeder links of non-geostationary-satellite systems in the mobile-satellite service and is subject to provisions of No. 9.11A. The power flux-density at the Earth’s surface produced by space stations of the fixed-satellite service operating in the space-to-Earth direction in the band 5150-5216 MHz shall in no case exceed –164 dB(W/m2) in any 4 kHz band for all angles of arrival.

5.447C Administrations responsible for fixed-satellite service networks in the band 5150-5250 MHz operated under Nos. 5.447A and 5.447B shall coordinate on an equal basis in accordance with No. 9.11A with administrations responsible for non-geostationary-satellite networks operated under No. 5.446 and brought into use prior to 17 November 1995. Satellite networks operated under No. 5.446 brought into use after 17 November 1995 shall not claim protection from, and shall not cause harmful interference to, stations of the fixed-satellite service operated under Nos. 5.447A and 5.447B.

US211 In the bands 1670-1690, 5000-5250 MHz and 10.7-11.7, 15.1365-15.35, 15.4-15.7, 22.5-22.55, 24-24.05, 31.0-31.3, 31.8-32.0, 40.5-42.5, 116-122.25, 123-130, 158.5-164, 167-168, 191.8-200, and 252-265 GHz, applicants for airborne or space station assignments are urged to take all practicable steps to protect radio astronomy observations in the adjacent bands from harmful interference; however, US74 applies.

US260 Aeronautical mobile communications which are an integral part of aeronautical radionavigation systems may be satisfied in the bands 1559-1626.5 MHz, 5000-5250 MHz and 15.4-15.7 GHz.

US307 The band 5150-5216 MHz is also allocated to the fixed-satellite service (space-to-Earth) for feeder links in conjunction with the radiodetermination-satellite service operating in the bands 1610-1626.5 MHz and 2483.5-2500 MHz. The total power flux-density at the Earth’s surface shall in no case exceed -159 dBW/m² per 4 kHz for all angles of arrival.

US344 In the band 5091-5250 MHz, the FCC shall coordinate earth stations in the fixed-satellite service (Earth-to-space) with NTIA (see Recommendation ITU-R S.1342). In order to better protect the operation of the international standard system (microwave landing system) in the band 5000-5091 MHz, non-Federal tracking and telecommand operations should be conducted in the band 5150-5250 MHz.

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Related Documents, Links, and Multimedia:
FCC Proceeding (3)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 5.15 GHz 5.2 GHz 5.25 GHz
Wavelength 5.8 cm 5.8 cm 5.7 cm
Band designator(s) SHF; C-band (IEEE) SHF; C-band (IEEE) SHF; C-band (IEEE)
Isotropic collecting area 2.7 cm2 2.6 cm2 2.6 cm2
Free space loss (1 m) 46.7 dB 46.8 dB 46.9 dB
Free space loss (1 km) 106.7 dB 106.8 dB 106.9 dB
Free space loss (10 km) 126.7 dB 126.8 dB 126.9 dB
Free space loss (100 km) 146.7 dB 146.8 dB 146.9 dB
Free space loss (1000 km) 166.7 dB 166.8 dB 166.9 dB
Free space loss
(35,786 km = GEO orbit)
197.8 dB 197.8 dB 197.9 dB
Free space loss (378,370 km = Moon) 218.2 dB 218.3 dB 218.4 dB