Spent about 30 minutes chasing PJ2ND on 40m just to see if I could work him at 5 watts with my end-fed indoor wet noodle. Finally got him at almost 1am local time (0550 UTC). This is my first DX country worked QRP with the KX2. Got LOTW confirmation the next morning.
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...
12 hours ago







(From 1978 WRTH)
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