Allocations

 
U.S. Non-Federal-Government Allocations
20.2 - 21.2 GHz
Standard frequency and time signal-satellite (space-to-Earth)


U.S. Federal Government Allocations
20.2 - 21.2 GHz
FIXED-SATELLITE (space-to-Earth)
MOBILE-SATELLITE (space-to-Earth)
Standard frequency and time signal-satellite (space-to-Earth)


ITU Region 1 Allocations
20.2 - 21.2 GHz
FIXED-SATELLITE (space-to-Earth)
MOBILE-SATELLITE (space-to-Earth)
Standard frequency and time signal-satellite (space-to-Earth)


ITU Region 2 Allocations
20.2 - 21.2 GHz
FIXED-SATELLITE (space-to-Earth)
MOBILE-SATELLITE (space-to-Earth)
Standard frequency and time signal-satellite (space-to-Earth)


ITU Region 3 Allocations
20.2 - 21.2 GHz
FIXED-SATELLITE (space-to-Earth)
MOBILE-SATELLITE (space-to-Earth)
Standard frequency and time signal-satellite (space-to-Earth)


SpectrumWiki


Footnotes

5.524   Additional allocation: in Afghanistan, Algeria, Saudi Arabia, Bahrain, Brunei Darussalam, Cameroon, China, Congo (Rep. of the), Costa Rica, Egypt, the United Arab Emirates, Gabon, Guatemala, Guinea, India, Iran (Islamic Republic of), Iraq, Israel, Japan, Jordan, Kuwait, Lebanon, Malaysia, Mali, Morocco, Mauritania, Nepal, Nigeria, Oman, Pakistan, the Philippines, Qatar, the Syrian Arab Republic, the Dem. Rep. of the Congo, the Dem. People’s Rep. of Korea, Singapore, Somalia, Sudan, South Sudan, Chad, Togo and Tunisia, the frequency band 19.7 21.2 GHz is also allocated to the fixed and mobile services on a primary basis. This additional use shall not impose any limitation on the power flux-density of space stations in the fixed-satellite service in the frequency band 19.7-21.2 GHz and of space stations in the mobile-satellite service in the frequency band 19.7 20.2 GHz where the allocation to the mobile-satellite service is on a primary basis in the latter frequency band. (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

 
WRC-23 Agenda Item 1.16, Non-GSO FSS earth stations in motion
ViaSat-1 Ka-band Satellite
Wideband Global SATCOM (WGS) System
Hughes Network Systems EchoStar XVII (Jupiter-1)
Common Carrier Fixed Point-to-Point Microwave
Mobile User Objective System (MUOS)
Advanced Extremely High Frequency (AEHF) Military Satellite System


Related Documents, Links, and Multimedia:
Legislation (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 20.2 GHz 20.7 GHz 21.2 GHz
Wavelength 1.5 cm 1.4 cm 1.4 cm
Band designator(s) SHF; K-band (IEEE) SHF; K-band (IEEE) SHF; K-band (IEEE)
Isotropic collecting area 0.2 cm2 0.2 cm2 0.2 cm2
Free space loss (1 m) 58.6 dB 58.8 dB 59.0 dB
Free space loss (1 km) 118.6 dB 118.8 dB 119.0 dB
Free space loss (10 km) 138.6 dB 138.8 dB 139.0 dB
Free space loss (100 km) 158.6 dB 158.8 dB 159.0 dB
Free space loss (1000 km) 178.6 dB 178.8 dB 179.0 dB
Free space loss
(35,786 km = GEO orbit)
209.6 dB 209.8 dB 210.1 dB
Free space loss (378,370 km = Moon) 230.1 dB 230.3 dB 230.5 dB
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