Amateur Radio (United States)

Last Updated: December 22, 2021, 00:26 am UTC

Frequencies

International Space Station

Operations
Callsigns
  • Russian:  RS0ISS
  • USA:  NA1SS
  • European:  DP0ISS, OR4ISS, IR0ISS
  • Packet:  RS0ISS-11 / RS0ISS-1
FrequencyInputLicenseTypeToneTone InAlpha TagDescriptionModeTag
145.800145.200 RM ISS Region 1 Voice Region 1 FM Ham
145.800144.490 RM ISS Region 2-3 Voice Region 2-3 FM Ham
145.825  BM ISS VHF Packet VHF Packet Telm Ham
437.550  BM ISS UHF Packet UHF Packet Telm Ham
437.800145.990 RM CSQ 67.0 PL ISS Cross-band Cross-band Repeater FM Ham

Simplex Frequencies

HF/VHF/UHF Simplex
FrequencyInputLicenseTypeToneTone InAlpha TagDescriptionModeTag
29.600  BM 10m FM Simplx 10m FM Simplex FM Ham
50.125  BM 6m SSB Call 6m SSB Calling USB Ham
52.525  BM 6m FM Call Pri 6m FM Primary Calling FM Ham
52.540  BM 6m FM Call Sec 6m FM Secondary Calling FM Ham
144.200  BM 2m SSB Call 2m SSB Calling USB Ham
144.390  BM APRS Automatic Packet Reporting System Telm Ham
144.410  BM US SOTA US Summits On The Air (SOTA) FM Ham
146.520  BM 2m FM Call 2m FM Simplex Calling FM Ham
146.580  BM N Amer Adventure North American Adventure (Alt to 144.410 & 146.520) FM Ham
222.100  BM 1.25m SSB/CW 1.25m SSB & CW Calling USB Ham
223.500  BM 1.25m FM 1.25m FM Simplex Calling FM Ham
432.100  BM 70cm SSB Call 70cm SSB Calling USB Ham
446.000  BM 70cm FM Simplx 70cm FM Simplex Calling FM Ham
902.100  BM 33cm SSB CW 33cm SSB/CW Calling USB Ham
927.500  BM 33cm FM Call 33cm FM Simplex Calling FMN Ham
1,294.500  BM 23cm FM Call 23cm FM Simplex Calling FM Ham
1,296.100  BM 23cm SSB/CW 23cm SSB/CW Calling USB Ham
2,304.100  BM 13cm SSB/CW 13cm SSB/CW Simplex Calling USB Ham
2,305.200  BM 13cm FM Simplx 13cm FM Simplex Calling FM Ham