Allocations

 
U.S. Non-Federal-Government Allocations
74 - 76 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
BROADCASTING
BROADCASTING-SATELLITE
Space research (space-to-Earth)


U.S. Federal Government Allocations
74 - 76 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Space research (space-to-Earth)


ITU Region 1 Allocations
74 - 76 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
BROADCASTING
BROADCASTING-SATELLITE
Space research (space-to-Earth)


ITU Region 2 Allocations
74 - 76 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
BROADCASTING
BROADCASTING-SATELLITE
Space research (space-to-Earth)


ITU Region 3 Allocations
74 - 76 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
BROADCASTING
BROADCASTING-SATELLITE
Space research (space-to-Earth)


SpectrumWiki


Footnotes


5.561   In the band 74-76 GHz, stations in the fixed, mobile and broadcasting services shall not cause harmful interference to stations of the fixed-satellite service or stations of the broadcasting-satellite service operating in accordance with the decisions of the appropriate frequency assignment planning conference for the broadcasting-satellite service. (WRC 2000)



US389   In the bands 71-76 GHz and 81-86 GHz, stations in the fixed, mobile, and broadcasting services shall not cause harmful interference to, nor claim protection from, Federal stations in the fixed-satellite service at any of the following 28 military installations:

Military Installation State Nearby city
Redstone ArsenalALHuntsville
Fort HuachucaAZSierra Vista
Yuma Proving GroundAZYuma
Beale AFBCAMarysville
Camp Parks Reserve Forces Training AreaCADublin
China Lake Naval Air Weapons StationCARidgecrest
Edwards AFBCARosamond
Fort IrwinCABarstow
Marine Corps Air Ground Combat CenterCATwentynine Palms
Buckley AFBCOAurora (Denver)
Schriever AFBCOColorado Springs
Fort GordonGAAugusta
Naval Satellite Operations CenterGUFinegayan (Guam)
Naval Computer and Telecommunications Area Master Station, PacificHIWahiawa (Oahu Is.)
Fort DetrickMDFrederick
Nellis AFBNVLas Vegas
Nevada Test SiteNVAmargosa Valley
Tonapah Test Range AirfieldNVTonapah
Cannon AFBNMClovis
White Sands Missile RangeNMWhite Sands
Dyess AFBTXAbilene
Fort BlissTXEl Paso
Fort Sam HoustonTXSan Antonio
Goodfellow AFBTXSan Angelo
Kelly AFBTXSan Antonio
Utah Test and Training RangeUT
Fort BelvoirVAAlexandria
Naval Satellite Operations CenterVAChesapeake


SpectrumWiki

 
802.11/WLAN/Wi-Fi/WiGig
E-band
70/80/90 GHz Bands
Unlicensed Level Probing Radars
WRC-27 consideration of satellite power limits to protect fixed and mobile services


Related Documents, Links, and Multimedia:
FCC Proceeding (4)
White Paper (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 74 GHz 75 GHz 76 GHz
Wavelength 4.1 mm 4.0 mm 3.9 mm
Band designator(s) EHF (millimeter wave); V-band (IEEE) EHF (millimeter wave); W-band (IEEE) EHF (millimeter wave); W-band (IEEE)
Isotropic collecting area 1.3 mm2 1.3 mm2 1.2 mm2
Free space loss (1 m) 69.8 dB 70.0 dB 70.1 dB
Free space loss (1 km) 129.8 dB 130.0 dB 130.1 dB
Free space loss (10 km) 149.8 dB 150.0 dB 150.1 dB
Free space loss (100 km) 169.8 dB 170.0 dB 170.1 dB
Free space loss (1000 km) 189.8 dB 190.0 dB 190.1 dB
Free space loss
(35,786 km = GEO orbit)
220.9 dB 221.0 dB 221.1 dB
Free space loss (378,370 km = Moon) 241.4 dB 241.5 dB 241.6 dB
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