Allocations

 
U.S. Non-Federal-Government Allocations
232 - 235 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Radiolocation


U.S. Federal Government Allocations
232 - 235 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Radiolocation


ITU Region 1 Allocations
232 - 235 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Radiolocation


ITU Region 2 Allocations
232 - 235 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Radiolocation


ITU Region 3 Allocations
232 - 235 GHz
FIXED
FIXED-SATELLITE (space-to-Earth)
MOBILE
Radiolocation


SpectrumWiki


Footnotes


SpectrumWiki

 
WRC-23 Agenda Item 1.14 Possible Adjustments to EESS (passive) Allocations
DARPA Video Synthetic Aperture Radar (ViSAR)


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

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 232 GHz 233.5 GHz 235 GHz
Wavelength 1.3 mm 1.3 mm 1.3 mm
Band designator(s) EHF (millimeter wave) EHF (millimeter wave) EHF (millimeter wave)
Isotropic collecting area 0.1 mm2 0.1 mm2 0.1 mm2
Free space loss (1 m) 79.8 dB 79.8 dB 79.9 dB
Free space loss (1 km) 139.8 dB 139.8 dB 139.9 dB
Free space loss (10 km) 159.8 dB 159.8 dB 159.9 dB
Free space loss (100 km) 179.8 dB 179.8 dB 179.9 dB
Free space loss (1000 km) 199.8 dB 199.8 dB 199.9 dB
Free space loss
(35,786 km = GEO orbit)
230.8 dB 230.9 dB 230.9 dB
Free space loss (378,370 km = Moon) 251.3 dB 251.4 dB 251.4 dB