In order to make loop/frame antennas with higher Q for the low bands (160m, 600m, 2.2km) I have ordered some Litz Wire from across the "pond".
It will be interesting to see how much improvement I can get from this.
"eBay" , of course. It can be a dangerous place, but it is our last, best hope for strange raw materials.
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...
3 hours ago
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