Allocations

 
U.S. Non-Federal-Government Allocations
50.4 - 51.4 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) US156
MOBILE
MOBILE-SATELLITE (Earth-to-space)


U.S. Federal Government Allocations
50.4 - 51.4 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) US156
MOBILE
MOBILE-SATELLITE (Earth-to-space)


ITU Region 1 Allocations
50.4 - 51.4 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) 5.338A
MOBILE
Mobile-satellite (Earth-to-space)


ITU Region 2 Allocations
50.4 - 51.4 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) 5.338A
MOBILE
Mobile-satellite (Earth-to-space)


ITU Region 3 Allocations
50.4 - 51.4 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) 5.338A
MOBILE
Mobile-satellite (Earth-to-space)


SpectrumWiki


Footnotes


5.338A In the bands 1350-1400 MHz, 1427-1452 MHz, 22.55-23.55 GHz, 30-31.3 GHz, 49.7-50.2 GHz, 50.4-50.9 GHz and 51.4-52.6 GHz, Resolution 750 (WRC-07) applies. (WRC-07)

Could not find US156

G117 In the bands 7.25-7.75 GHz, 7.9-8.4 GHz, 17.3-17.7 GHz, 17.8-21.2 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

 
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.6
WRC-27 study for aeronautical and maritime earth stations in motion for Earth-to-space transmissions
WRC-27 agenda item regarding NGSO FSS gateway earth stations (Earth-to-space)
WRC-27 agenda item regarding technical/regulatory rules for FSS networks for equitable access


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

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 50.4 GHz 50.9 GHz 51.4 GHz
Wavelength 5.9 mm 5.9 mm 5.8 mm
Band designator(s) EHF (millimeter wave); V-band (IEEE) EHF (millimeter wave); V-band (IEEE) EHF (millimeter wave); V-band (IEEE)
Isotropic collecting area 2.8 mm2 2.8 mm2 2.7 mm2
Free space loss (1 m) 66.5 dB 66.6 dB 66.7 dB
Free space loss (1 km) 126.5 dB 126.6 dB 126.7 dB
Free space loss (10 km) 146.5 dB 146.6 dB 146.7 dB
Free space loss (100 km) 166.5 dB 166.6 dB 166.7 dB
Free space loss (1000 km) 186.5 dB 186.6 dB 186.7 dB
Free space loss
(35,786 km = GEO orbit)
217.6 dB 217.7 dB 217.7 dB
Free space loss (378,370 km = Moon) 238.1 dB 238.1 dB 238.2 dB