Tag Archives: SDR

Radio Ghosts and Other Things that Go Beep in the Night

Images My first shortwave radio was a Nanaola 10NT504, a receiver that uses superheterodyne technology. In that mode, a radio is tuned by mixing the incoming radio signal with a locally generated variable frequency carrier signal (from a variable frequency … Continue reading

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Surprise Radio: RTL-SDR Blog V4 SDR

See warning at the end of the post. I’ve had an RTL-SDR Blog V3 SDR for a few years, but I haven’t blogged much about it beyond the article on SSB. In the intervening years, RTL-SDR Blog has come out … Continue reading

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