Allocations

 
U.S. Non-Federal-Government Allocations
8500 - 8550 MHz
Radiolocation


U.S. Federal Government Allocations
8500 - 8550 MHz
RADIOLOCATION G59


ITU Region 1 Allocations
8500 - 8550 MHz
RADIOLOCATION


ITU Region 2 Allocations
8500 - 8550 MHz
RADIOLOCATION


ITU Region 3 Allocations
8500 - 8550 MHz
RADIOLOCATION


SpectrumWiki


Footnotes


5.468 Additional allocation: in Saudi Arabia, Bahrain, Bangladesh, Brunei Darussalam, Burundi, Cameroon, China, Congo (Rep. of the), Costa Rica, Egypt, the United Arab Emirates, Gabon, Guyana, Indonesia, Iran (Islamic Republic of), Iraq, the Libyan Arab Jamahiriya, Jamaica, Jordan, Kenya, Kuwait, Lebanon, Malaysia, Mali, Morocco, Mauritania, Nepal, Nigeria, Oman, Pakistan, Qatar, Syrian Arab Republic, the Dem. People’s Rep. of Korea, Senegal, Singapore, Somalia, Swaziland, Tanzania, Chad, Togo, Tunisia and Yemen, the band 8500-8750 MHz is also allocated to the fixed and mobile services on a primary basis.

5.469 Additional allocation: in Armenia, Azerbaijan, Belarus, the Russian Federation, Georgia, Hungary, Lithuania, Moldova, Mongolia, Uzbekistan, Poland, Kyrgyzstan, the Czech Rep., Romania, Tajikistan, Turkmenistan and Ukraine, the band 8500-8750 MHz is also allocated to the land mobile and radionavigation services on a primary basis.

G59 In the bands 902-928 MHz, 3100-3300 MHz, 3500-3650 MHz, 5250-5350 MHz, 8500-9000 MHz, 9200-9300 MHz, 13.4-14.0 GHz, 15.7-17.7 GHz and 24.05-24.25 GHz, all Federal non-military radiolocation shall be secondary to military radiolocation, except in the sub-band 15.7-16.2 GHz airport surface detection equipment (ASDE) is permitted on a co-equal basis subject to coordination with the military departments.

SpectrumWiki

 
NASA Deep Space Network (DSN)
IEEE 802.15.4 HRP UWB
Possible new FSS and maritime mobile-satellite allocations, 2015 World Radiocommunication Conference (WRC-15) Agenda Item 1.9
Possible allocations for FSS and maritime mobile-satellite service, 2015 World Radiocommunication Conference (WRC-15) Agenda Item 1.9
WRC-27 consideration of EESS (passive) allocations


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Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 8.5 GHz 8.525 GHz 8.55 GHz
Wavelength 3.5 cm 3.5 cm 3.5 cm
Band designator(s) SHF; X-band (IEEE) SHF; X-band (IEEE) SHF; X-band (IEEE)
Isotropic collecting area 1.0 cm2 1.0 cm2 1.0 cm2
Free space loss (1 m) 51.0 dB 51.1 dB 51.1 dB
Free space loss (1 km) 111.0 dB 111.1 dB 111.1 dB
Free space loss (10 km) 131.0 dB 131.1 dB 131.1 dB
Free space loss (100 km) 151.0 dB 151.1 dB 151.1 dB
Free space loss (1000 km) 171.0 dB 171.1 dB 171.1 dB
Free space loss
(35,786 km = GEO orbit)
202.1 dB 202.1 dB 202.2 dB
Free space loss (378,370 km = Moon) 222.6 dB 222.6 dB 222.6 dB