Allocations

 
U.S. Non-Federal-Government Allocations
81 - 84 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) US297
MOBILE
MOBILE-SATELLITE (Earth-to-space)
RADIO ASTRONOMY
Space research (space-to-Earth)


U.S. Federal Government Allocations
81 - 84 GHz
FIXED
FIXED-SATELLITE (Earth-to-space) US297
MOBILE
MOBILE-SATELLITE (Earth-to-space)
RADIO ASTRONOMY
Space research (space-to-Earth)


ITU Region 1 Allocations
81 - 84 GHz
FIXED 5.338A
FIXED-SATELLITE (Earth-to-space)
MOBILE
MOBILE-SATELLITE (Earth-to-space)
RADIO ASTRONOMY
Space research (space-to-Earth)


ITU Region 2 Allocations
81 - 84 GHz
FIXED 5.338A
FIXED-SATELLITE (Earth-to-space)
MOBILE
MOBILE-SATELLITE (Earth-to-space)
RADIO ASTRONOMY
Space research (space-to-Earth)


ITU Region 3 Allocations
81 - 84 GHz
FIXED 5.338A
FIXED-SATELLITE (Earth-to-space)
MOBILE
MOBILE-SATELLITE (Earth-to-space)
RADIO ASTRONOMY
Space research (space-to-Earth)


SpectrumWiki


Footnotes


5.149 In making assignments to stations of other services to which the bands:

13360-13410 kHz,22.81-22.86 GHz,
25550-25670 kHz,23.07-23.12 GHz,
37.5-38.25 MHz,31.2-31.3 GHz,
73-74.6 MHz31.5-31.8 GHz
  in Regions 1 and 3,  in Regions 1 and 3,
150.05-153 MHz36.43-36.5 GHz,
  in Region 1,42.5-43.5 GHz,
322-328.6 MHz,48.94-49.04 GHz,
406.1-410 MHz,76-86 GHz,
608-614 MHz in92-94 GHz,
  Regions 1 and 3,94.1-100 GHz,
1330-1400 MHz,102-109.5 GHz,
1610.6-1613.8 MHz,111.8-114.25 GHz,
1660-1670 MHz,128.33-128.59 GHz,
1718.8-1722.2 MHz,129.23-129.49 GHz,
2655-2690 MHz,130-134 GHz,
3260-3267 MHz,136-148.5 GHz,
3332-3339 MHz,151.5-158.5 GHz,
3345.8-3352.5 MHz,168.59-168.93 GHz,
4825-4835 MHz,171.11-171.45 GHz,
4950-4990 MHz,172.31-172.65 GHz,
4990-5000 MHz,173.52-173.85 GHz,
6650-6675.2 MHz,195.75-196.15 GHz,
10.6-10.68 GHz,209-226 GHz,
14.47-14.5 GHz,241-250 GHz,
22.01-22.21 GHz,252-275 GHz
22.21-22.5 GHz,

are allocated, administrations are urged to take all practicable steps to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see Nos. 4.5 and 4.6 and Article 29). (WRC-07)

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)

5.561A The 81-81.5 GHz band is also allocated to the amateur and amateur-satellite services on a secondary basis.

Could not find US161

US297 The bands 47.2-49.2 GHz and 81-82.5 GHz are also available for feeder links for the broadcasting-satellite service.

US342 In making assignments to stations of other services to which the bands:

13360-13410 kHz42.77-42.87 GHz*
25550-25670 kHz43.07-43.17 GHz*
37.5-38.25 MHz43.37-43.47 GHz*
322-328.6 MHz*48.94-49.04 GHz*
1330-1400 MHz*76-86 GHz
1610.6-1613.8 MHz*92-94 GHz
1660-1660.5 MHz*94.1-100 GHz
1668.4-1670 MHz*102-109.5 GHz
3260-3267 MHz*111.8-114.25 GHz
3332-3339 MHz*128.33-128.59 GHz*
3345.8-3352.5 MHz*129.23-129.49 GHz*
4825-4835 MHz*130-134 GHz
4950-4990 MHz136-148.5 GHz
6650-6675.2 MHz*151.5-158.5 GHz
14.47-14.5 GHz*168.59-168.93 GHz*
22.01-22.21 GHz*171.11-171.45 GHz*
22.21-22.5 GHz172.31-172.65 GHz*
22.81-22.86 GHz*173.52-173.85 GHz*
23.07-23.12 GHz*195.75-196.15 GHz*
31.2-31.3 GHz209-226 GHz
36.43-36.5 GHz*241-250 GHz
42.5-43.5 GHz252-275 GHz

are allocated (*indicates radio astronomy use for spectral line observations), all practicable steps shall be taken to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see ITU Radio Regulations at Nos. 4.5 and 4.6 and Article 29).

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 InstallationStateNearby 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

 
E-band
70/80/90 GHz Bands
Unlicensed Level Probing Radars
Foreign Object Debris (FOD) detection 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)
Other (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 81 GHz 82.5 GHz 84 GHz
Wavelength 3.7 mm 3.6 mm 3.6 mm
Band designator(s) EHF (millimeter wave); W-band (IEEE) EHF (millimeter wave); W-band (IEEE) EHF (millimeter wave); W-band (IEEE)
Isotropic collecting area 1.1 mm2 1.1 mm2 1.0 mm2
Free space loss (1 m) 70.6 dB 70.8 dB 70.9 dB
Free space loss (1 km) 130.6 dB 130.8 dB 130.9 dB
Free space loss (10 km) 150.6 dB 150.8 dB 150.9 dB
Free space loss (100 km) 170.6 dB 170.8 dB 170.9 dB
Free space loss (1000 km) 190.6 dB 190.8 dB 190.9 dB
Free space loss
(35,786 km = GEO orbit)
221.7 dB 221.9 dB 222.0 dB
Free space loss (378,370 km = Moon) 242.2 dB 242.3 dB 242.5 dB