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Allocations

Intro to Allocations
 
U.S. Non-Federal-Government Allocations
9.2 - 9.3 GHz
 MARITIME RADIONAVIGATION 5.472
Radiolocation US110

FCC Rule Parts:
Maritime (80)
Private Land Mobile (90)

U.S. Federal Government Allocations
9.2 - 9.3 GHz
 MARITIME RADIONAVIGATION 5.472
Radiolocation US110 US110


ITU Region 1 Allocations
9.2 - 9.3 GHz
 EARTH EXPLORATION-SATELLITE (active) 5.474A 5.474B 5.474C
RADIOLOCATION
MARITIME RADIONAVIGATION 5.472


ITU Region 2 Allocations
9.2 - 9.3 GHz
 EARTH EXPLORATION-SATELLITE (active) 5.474A 5.474B 5.474C
RADIOLOCATION
MARITIME RADIONAVIGATION 5.472


ITU Region 3 Allocations
9.2 - 9.3 GHz
 EARTH EXPLORATION-SATELLITE (active) 5.474A 5.474B 5.474C
RADIOLOCATION
MARITIME RADIONAVIGATION 5.472


SpectrumWiki

Band Uses (9.2 - 9.3 GHz)

Footnotes


5.472   In the bands 8 850-9 000 MHz and 9 200-9 225 MHz, the maritime radionavigation service is limited to shore-based radars.



5.473   Additional allocation: in Armenia, Austria, Azerbaijan, Belarus, Cuba, the Russian Federation, Georgia, Hungary, Uzbekistan, Poland, Kyrgyzstan, Romania, Tajikistan, Turkmenistan and Ukraine, the frequency bands 8 850 9 000 MHz and 9 200-9 300 MHz are also allocated to the radionavigation service on a primary basis. (WRC-19)



5.474   In the band 9 200-9 500 MHz, search and rescue transponders (SART) may be used, having due regard to the appropriate ITU-R Recommendation (see also Article 31).



5.474A   The use of the frequency bands 9 200-9 300 MHz and 9 900-10 400 MHz by the Earth exploration-satellite service (active) is limited to systems requiring necessary bandwidth greater than 600 MHz that cannot be fully accommodated within the frequency band 9 300-9 900 MHz. Such use is subject to agreement to be obtained under No. 9.21 from Algeria, Saudi Arabia, Bahrain, Egypt, Indonesia, Iran (Islamic Republic of), Lebanon and Tunisia. An administration that has not replied under No. 9.52 is considered as not having agreed to the coordination request. In this case, the notifying administration of the satellite system operating in the Earth exploration-satellite service (active) may request the assistance of the Bureau under Sub-Section IID of Article 9. (WRC 15)



5.474B   Stations operating in the Earth exploration-satellite (active) service shall comply with Recommendation ITU R RS.2066 0. (WRC 15)



5.474C   Stations operating in the Earth exploration-satellite (active) service shall comply with Recommendation ITU R RS.2065 0. (WRC 15)



5.474D   Stations in the Earth exploration-satellite service (active) shall not cause harmful interference to, or claim protection from, stations of the maritime radionavigation and radiolocation services in the frequency band 9 200 9 300 MHz, the radionavigation and radiolocation services in the frequency band 9 900-10 000 MHz and the radiolocation service in the frequency band 10.0-10.4 GHz. (WRC 15)



US110   In the band 9200-9300 MHz, the use of the radiolocation service by non-Federal licensees may be authorized on the condition that harmful interference is not caused to the maritime radionavigation service or to the Federal radiolocation service.

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

Band Uses (9.2 - 9.3 GHz)
 
Airport Surface Detection Radars (ASDE-X)
IEEE 802.15.4 HRP UWB
Possible extension of EESS (active) allocation (WRC-15 Agenda Item 1.12)
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Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 9.2 GHz 9.25 GHz 9.3 GHz
Wavelength 3.3 cm 3.2 cm 3.2 cm
Band designator(s) SHF; X-band (IEEE) SHF; X-band (IEEE) SHF; X-band (IEEE)
Isotropic collecting area 0.8 cm2 0.8 cm2 0.8 cm2
Free space loss (1 m) 51.7 dB 51.8 dB 51.8 dB
Free space loss (1 km) 111.7 dB 111.8 dB 111.8 dB
Free space loss (10 km) 131.7 dB 131.8 dB 131.8 dB
Free space loss (100 km) 151.7 dB 151.8 dB 151.8 dB
Free space loss (1000 km) 171.7 dB 171.8 dB 171.8 dB
Free space loss
(35,786 km = GEO orbit) 		202.8 dB 202.8 dB 202.9 dB
Free space loss (378,370 km = Moon) 223.3 dB 223.3 dB 223.4 dB
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