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http://broadspectrumradio.com/2016/03/04/kg5jst-hobby-radio-report-3-broadspectrumradio-com-program-32-topic-introducing-websdr-for-shortwave-listening/
KG5JST Hobby Radio Report #3 / BroadSpectrumRadio.com Program #32 - Topic: Introducing WebSDR for shortwave listening