Tag Archives: SDR

Tuning, Muting, and Things that Go Chuff in the Night

Posted on October 25, 2025 by Kevin

Terminology one sees online isn’t always precise, and many people equate muting, soft muting and chuffing. I tend to get sloppy too. For the purpose of this article, here are the terms as I’m using them: Whenever someone asks a … Continue reading →

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Radio Ghosts and Other Things that Go Beep in the Night

Posted on August 11, 2025 by Kevin

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

Posted on February 4, 2025 by Kevin

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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