Allocations

 
U.S. Non-Federal-Government Allocations
43.35 - 43.69 MHz
FIXED
LAND MOBILE
RADIOLOCATION US132A

Relevant FCC Auctions:
Auction 40 (Paging), $12,897,127
Auction 48 (Lower and Upper Paging Bands), $2,445,608
Auction 87 (Lower and Upper Paging Bands), $5,399,809
Auction 95 (Lower and Upper Paging Bands), $1,659,074
 Total net auction bids: $22,401,618

U.S. Federal Government Allocations
43.35 - 44 MHz
RADIOLOCATION US132A


ITU Region 1 Allocations
42.5 - 44 MHz
FIXED
MOBILE


ITU Region 2 Allocations
42.5 - 44 MHz
FIXED
MOBILE


ITU Region 3 Allocations
42.5 - 44 MHz
FIXED
MOBILE


SpectrumWiki



Footnotes

5.160   Additional allocation: in Botswana, Burundi, Dem. Rep. of the Congo and Rwanda, the band 41-44 MHz is also allocated to the aeronautical radionavigation service on a primary basis. (WRC 12)

5.161   Additional allocation: in Iran (Islamic Republic of) and Japan, the band 41-44 MHz is also allocated to the radiolocation service on a secondary basis.

5.161A   Additional allocation: in Korea (Rep. of), the United States and Mexico, the frequency bands 41.015-41.665 MHz and 43.35-44 MHz are also allocated to the radiolocation service on a primary basis. Stations in the radiolocation service shall not cause harmful interference to, or claim protection from, stations operating in the fixed or mobile services. Applications of the radiolocation service are limited to oceanographic radars operating in accordance with Resolution 612 (Rev.WRC 12). (WRC 19)

NG124  In the bands 30.85-34, 37-38, 39-40, 42-47.41, 150.995-156.25, 158.715-159.465, 453.0125-453.9875, 458.0125-458.9875, 460.0125-465.6375, and 467.9375-467.9875 MHz, police licensees are authorized to operate low power transmitters on a secondary basis in accordance with the provisions of 47 CFR 2.803 and 90.20(e)(5).

US132A   In the bands 26.2-26.42 MHz, 41.015-41.665 MHz, and 43.35-44 MHz, applications of radiolocation service are limited to oceanographic radars operating in accordance with ITU Resolution 612 (Rev.WRC-12). Oceanographic radars shall not cause harmful interference to, or claim protection from, non-Federal stations in the land mobile service in the bands 26.2-26.42 MHz and 43.69-44 MHz, Federal stations in the fixed or mobile services in the band 41.015-41.665 MHz, and non-Federal stations in the fixed or land mobile services in the band 43.35-43.69 MHz.


SpectrumWiki

 
History of the Beep
Ocean Radar (WRC-2012)
Single Channel Ground and Airborne Radio System (SINCGARS)
Access Broadband over Power Line (Access BPL)
Experimental Ultra-Wideband (UWB) Systems
2023 World Radiocommunication Conference (WRC-23) Preliminary Agenda Item 2.2
Apex Broadcasting Band




Related Documents, Links, and Multimedia:
FCC Proceeding (1)
Occupancy Measurements (10)




Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 42.5 MHz 43.25 MHz 44 MHz
Wavelength 7.1 m 6.9 m 6.8 m
Band designator(s) VHF VHF VHF
Isotropic collecting area 4.0 m2 3.8 m2 3.7 m2
Free space loss (1 m) 5.0 dB 5.2 dB 5.3 dB
Free space loss (1 km) 65.0 dB 65.2 dB 65.3 dB
Free space loss (10 km) 85.0 dB 85.2 dB 85.3 dB
Free space loss (100 km) 105.0 dB 105.2 dB 105.3 dB
Free space loss (1000 km) 125.0 dB 125.2 dB 125.3 dB
Free space loss
(35,786 km = GEO orbit)
156.1 dB 156.2 dB 156.4 dB
Free space loss (378,370 km = Moon) 176.6 dB 176.7 dB 176.9 dB
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