XPost: rec.radio.amateur.moderated

Homebrew and Kit Projects

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Isolated digital interface with Audio/PTT/CIV [s21rc v1.05]

Posted: 30 Jan 2022 11:00 PM PST https://forums.qrz.com/index.php?threads/isolated-digital-interface-with-audio-ptt-civ-s21rc-v1-05.798605/



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The Case for a Grounded B+ & other Innovations in the Design of a Vacuum
Tube RF Power Amplifier

Posted: 30 Jan 2022 07:58 PM PST https://forums.qrz.com/index.php?threads/the-case-for-a-grounded-b-other-innovations-in-the-design-of-a-vacuum-tube-rf-power-amplifier.771103/



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OOK 2m 1W transceiver?

Posted: 30 Jan 2022 10:37 AM PST https://forums.qrz.com/index.php?threads/ook-2m-1w-transceiver.798505/

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