WRC 2003 = Morse as Qualification Criteria = Digital HF Radio = WRTC 2002 = Director Park HL1IFM visits China
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June 2002
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WRC 2003 = Morse as Qualification Criteria = Digital HF Radio = WRTC 2002 = Director Park HL1IFM visits China
Doc.
Materials on this website may be subject to copyright.