Allocations

 
U.S. Non-Federal-Government Allocations
14.35 - 14.99 MHz
FIXED


U.S. Federal Government Allocations
14.35 - 14.99 MHz
FIXED
Mobile except aeronautical mobile (R)


ITU Region 1 Allocations
14.35 - 14.99 MHz
FIXED
Mobile except aeronautical mobile (R)


ITU Region 2 Allocations
14.35 - 14.99 MHz
FIXED
Mobile except aeronautical mobile (R)


ITU Region 3 Allocations
14.35 - 14.99 MHz
FIXED
Mobile except aeronautical mobile (R)


SpectrumWiki


Footnotes


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.

SpectrumWiki

 
Amateur Radio 20 m Band
QA chetu 1
Oppo
CHU Canada
Access Broadband over Power Line (Access BPL)


Related Documents, Links, and Multimedia:
FCC Proceeding (5)
Band Plan (2)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 14350 kHz 14670 kHz 14990 kHz
Wavelength 20.9 m 20.4 m 20.0 m
Band designator(s) HF HF HF
Isotropic collecting area 34.7 m2 33.2 m2 31.8 m2
Free space loss (1 m) N/A (near field) N/A (near field) N/A (near field)
Free space loss (1 km) 55.6 dB 55.8 dB 56.0 dB
Free space loss (10 km) 75.6 dB 75.8 dB 76.0 dB
Free space loss (100 km) 95.6 dB 95.8 dB 96.0 dB
Free space loss (1000 km) 115.6 dB 115.8 dB 116.0 dB
Free space loss
(35,786 km = GEO orbit)
146.7 dB 146.9 dB 147.0 dB
Free space loss (378,370 km = Moon) 167.1 dB 167.3 dB 167.5 dB