The Considerate Operator’s Frequency Guide
14.233D-SSTV 14.236 Digital Voice 14.285 QRP SSB calling frequency AM calling frequency 18.100-18.105RTTY/Data Automatically controlled data stations 18.110 IBP/NCDXF beacons 18.162.5 Digital Voice QRP CW calling frequency 21.070-21.110 21.090-21.100 21.150 IBP/NCDXF beacons SSTV 21.385 QRP SSB calling frequency 24.920-24.925RTTY/Data
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