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  • hfradio.org

    Amateur Radio World-Wide - NW7US - HAM Radio on LF, MW, HF, VHF, and higher

       [待更新]
    HF Radio - Amateur Radio World-Wide. Focusing on High Frequency Radio propagation, operation, equipment, as well as amateur (HAM) radio in general. Created as an extention of goodwill by amateur radio station NW7US.ssed both a series of written examinations which cover rules, procedures, technical theory, and rel...

     [廣播] - www.hf*adio.org - ISO-8859-1 - 2017-05-17


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