"Boat Anchor" & Classic Equipment
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Why did 2.5V tubes hang on so long?
Posted: 19 Oct 2020 04:14 AM PDT
https://forums.qrz.com/index.php?thr...o-long.730186/
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Using R2001D to measure frequency
Posted: 18 Oct 2020 01:18 PM PDT
https://forums.qrz.com/index.php?thr...quency.719118/