Allocations

 
U.S. Non-Federal-Government Allocations
7250 - 8025 MHz


U.S. Federal Government Allocations
7375 - 7450 MHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE except aeronautical mobile
MARITIME MOBILE-SATELLITE (space-to-Earth) 5.461AA 5.461AB
Mobile-satellite except maritime mobile-satellite (space-to-Earth)


ITU Region 1 Allocations
7375 - 7450 MHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE except aeronautical mobile
MARITIME MOBILE-SATELLITE (space-to-Earth) 5.461AA 5.461AB


ITU Region 2 Allocations
7375 - 7450 MHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE except aeronautical mobile
MARITIME MOBILE-SATELLITE (space-to-Earth) 5.461AA 5.461AB


ITU Region 3 Allocations
7375 - 7450 MHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE except aeronautical mobile
MARITIME MOBILE-SATELLITE (space-to-Earth) 5.461AA 5.461AB


SpectrumWiki



Footnotes

5.461AA   The use of the frequency band 7 375-7 750 MHz by the maritime mobile-satellite service is limited to geostationary-satellite networks. (WRC 15)

5.461AB   In the frequency band 7 375-7 750 MHz, earth stations in the maritime mobile-satellite service shall not claim protection from, nor constrain the use and development of, stations in the fixed and mobile, except aeronautical mobile, services. No. 5.43A does not apply. (WRC 15)

G117   In the bands 7.25-7.75 GHz, 7.9-8.4 GHz, 17.375-17.475 GHz, 17.6-21.2 GHz, 30-31 GHz, 33-36 GHz, 39.5-41 GHz, 43.5-45.5 GHz and 50.4-51.4 GHz, the Federal fixed-satellite and mobile-satellite services are limited to military systems.


SpectrumWiki

 
Wideband Global SATCOM (WGS) System
Defense Satellite Communication System 3 (DSCS III)
IEEE 802.15.4 HRP UWB
Unlicensed Level Probing Radars
Wideband Systems under 15.250
Possible allocations for FSS and maritime mobile-satellite service, 2015 World Radiocommunication Conference (WRC-15) Agenda Item 1.9
Possible new FSS and maritime mobile-satellite allocations, 2015 World Radiocommunication Conference (WRC-15) Agenda Item 1.9
Possible new primary EESS allocation (WRC-15 Agenda Item 1.11)
WRC-27 study for potential IMT use




Related Documents, Links, and Multimedia:
FCC Proceeding (2)
Other (1)




Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 7.25 GHz 7.6375 GHz 8.025 GHz
Wavelength 4.1 cm 3.9 cm 3.7 cm
Band designator(s) SHF; C-band (IEEE) SHF; C-band (IEEE) SHF; X-band (IEEE)
Isotropic collecting area 1.4 cm2 1.2 cm2 1.1 cm2
Free space loss (1 m) 49.8 dB 50.1 dB 49.9 dB
Free space loss (1 km) 109.8 dB 110.1 dB 109.9 dB
Free space loss (10 km) 129.8 dB 130.1 dB 129.9 dB
Free space loss (100 km) 149.8 dB 150.1 dB 149.9 dB
Free space loss (1000 km) 169.8 dB 170.1 dB 169.9 dB
Free space loss
(35,786 km = GEO orbit)
200.9 dB 201.2 dB 201.0 dB
Free space loss (378,370 km = Moon) 221.4 dB 221.7 dB 221.5 dB
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