I have made myself busy today, mounting the vast majority of resistors and capacitors on my two Warbler kit PCBs.
Tomorrow I should be able to get at least one of them in good receiving order, I will try to make that the 40m WSPR one.
We will see how things go.
Spark Gaps and Coherers demonstrated and Measured by CuriousMarc
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*CuriousMarc provides a good demonstration of how spark transmitters work
with coherer detectors. His measurements are really illuminating. His
device j...
1 hour ago
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