see video notes on the VIDEO's DESCRIPTION tab...
- at the 'Watch on YouTube' website
for more info on this setup
Added by Chuck aa0hw on March 31, 2022 at 9:52am — No Comments
https://www.arrl.org/files/file/Technology/tis/info/pdf/9208019.pdf
Brief demo of the KK7B High Performance Direct Conversion Receiver on the VLF BAND - 16Khz CW ....using the KK7B -1 KHZ - on board - CW audio filter kk7b antenna = ferrite…
ContinueAdded by Chuck aa0hw on March 26, 2022 at 9:56am — No Comments
Brief demo of using a TESLA COIL with a ferrite core, self resonant at @ 75Khz - sending QRQ CW at 75 wpm The tesla coil primary winding is about 7 turns, fed by a 10 watt audio amp both TX/RX use soundcard SDR's with soundcards operating at 192Khz sample rate using the RECRI KEYER SDR modules and CW KEYBOARD to modulate and demodulate at…
ContinueAdded by Chuck aa0hw on March 7, 2022 at 4:43pm — 1 Comment
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