SpectrumWiki

Radio spectrum allocations

Look up a frequency or a range.

Examples: 88.5 MHz, 1350–1430 MHz, 2.4 GHz

39.999999 MHz (39,999,999 Hz)

U.S. Federal Government Allocations

39 – 40 MHz

ITU Region 1 Allocations

39.986 – 40.02 MHz

FIXED

MOBILE

Space research

ITU Region 2 Allocations

39.986 – 40.02 MHz

FIXED

MOBILE

Space research

ITU Region 3 Allocations

39.986 – 40 MHz

FIXED

MOBILE

RADIOLOCATION 5.132A

Space research

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)

  • 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).