Allocations

 
U.S. Non-Federal-Government Allocations
7 - 7.1 MHz
AMATEUR
AMATEUR-SATELLITE

FCC Rule Parts:
Amateur Radio (97)

U.S. Federal Government Allocations
7 - 7.2 MHz


ITU Region 1 Allocations
7 - 7.1 MHz
AMATEUR
AMATEUR-SATELLITE


ITU Region 2 Allocations
7 - 7.1 MHz
AMATEUR
AMATEUR-SATELLITE


ITU Region 3 Allocations
7 - 7.1 MHz
AMATEUR
AMATEUR-SATELLITE


SpectrumWiki


Footnotes


5.140 Additional allocation: in Angola, Iraq, Kenya, Somalia and Togo, the band 7000-7050 kHz is also allocated to the fixed service on a primary basis. (WRC-12)

5.141 Alternative allocation: in Egypt, Eritrea, Ethiopia, Guinea, Libya, Madagascar and Niger, the band 7000-7050 kHz is allocated to the fixed service on a primary basis. (WRC-12)

5.141A Additional allocation: in Uzbekistan and Kyrgyzstan, the bands 7000-7100 kHz and 7100-7200 kHz are also allocated to the fixed and land mobile services on a secondary basis.

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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Amateur Radio 40 m Band
Shortwave Broadcasting
Access Broadband over Power Line (Access BPL)


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

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 7000 kHz 7100 kHz 7200 kHz
Wavelength 42.8 m 42.2 m 41.6 m
Band designator(s) HF HF HF
Isotropic collecting area 146.0 m2 141.9 m2 138.0 m2
Free space loss (1 m) N/A (near field) N/A (near field) N/A (near field)
Free space loss (1 km) 49.4 dB 49.5 dB 49.5 dB
Free space loss (10 km) 69.4 dB 69.5 dB 69.5 dB
Free space loss (100 km) 89.4 dB 89.5 dB 89.5 dB
Free space loss (1000 km) 109.4 dB 109.5 dB 109.5 dB
Free space loss
(35,786 km = GEO orbit)
140.4 dB 140.5 dB 140.5 dB
Free space loss (378,370 km = Moon) 160.9 dB 161.0 dB 161.0 dB