Allocations

 
U.S. Non-Federal-Government Allocations
13.45 - 13.55 MHz
FIXED
Radiolocation 5.132A


U.S. Federal Government Allocations
13.45 - 13.55 MHz
FIXED
Mobile except aeronautical mobile (R)
Radiolocation 5.132A


ITU Region 1 Allocations
13.45 - 13.55 MHz
FIXED
Mobile except aeronautical mobile (R)
Radiolocation 5.132A


ITU Region 2 Allocations
13.45 - 13.55 MHz
FIXED
Mobile except aeronautical mobile (R)
Radiolocation 5.132A


ITU Region 3 Allocations
13.45 - 13.55 MHz
FIXED
Mobile except aeronautical mobile (R)
Radiolocation 5.132A


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Footnotes

5.132A   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 12)

5.149A   Alternative allocation: in Armenia, Belarus, Moldova and Kyrgyzstan, the frequency band 13 450-13 550 kHz is allocated to the fixed service on a primary basis and to the mobile, except aeronautical mobile (R), service on a secondary basis. (WRC 19)

US340   The band 2-30 MHz is available on a non-interference basis to Federal and non-Federal maritime and aeronautical stations for the purposes of measuring the quality of reception on radio channels. See 47 CFR 87.149 for the list of protected frequencies and bands within this frequency range. Actual communications shall be limited to those frequencies specifically allocated to the maritime mobile and aeronautical mobile services.


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Ocean Radar (WRC-2012)
Access Broadband over Power Line (Access BPL)


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

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 13450 kHz 13500 kHz 13550 kHz
Wavelength 22.3 m 22.2 m 22.1 m
Band designator(s) HF HF HF
Isotropic collecting area 39.5 m2 39.2 m2 39.0 m2
Free space loss (1 m) N/A (near field) N/A (near field) N/A (near field)
Free space loss (1 km) 55.0 dB 55.1 dB 55.1 dB
Free space loss (10 km) 75.0 dB 75.1 dB 75.1 dB
Free space loss (100 km) 95.0 dB 95.1 dB 95.1 dB
Free space loss (1000 km) 115.0 dB 115.1 dB 115.1 dB
Free space loss
(35,786 km = GEO orbit)
146.1 dB 146.1 dB 146.2 dB
Free space loss (378,370 km = Moon) 166.6 dB 166.6 dB 166.6 dB
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