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Using the earth as an antenna? F5VLB Earth Probe testing.
Jean-Marie Polard - F5VLB has been experimenting with so called "earth probes" to transmit RF on our amateur bands. He mentioned it to me...
Harry Zachrisson
Dec 2, 20193 min read


WSPR Desktop Transmitter in Tanzania
One of the WSPR Desktop transmitters have found its way to East Africa running continuously as a WSPR beacon in Tanzania. André ...
Harry Zachrisson
Oct 4, 20193 min read


Polar Research vessel Oden gets a ZachTek WSPR transmitter.
WSPR is a great way to explore and test a wide range of stuff in our wonderful radio hobby. Although I guess most of us use WSPR casually...
Harry Zachrisson
Jul 4, 20199 min read
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