July 7th 19, 05:53 PM
posted to rec.radio.amateur.moderated,rec.radio.amateur.homebrew
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external usenet poster
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First recorded activity by RadioBanter: Mar 2017
Posts: 3,844
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[QRZ] Carbon Microphone as a Detector
Homebrew and Kit Projects
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Carbon Microphone as a Detector
Posted: 07 Jul 2019 05:25 AM PDT
https://forums.qrz.com/index.php?thr...tector.665010/
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