#27: AYN/4B, a portable QRP CW transceiver for 40/30/20/17 meters

youtube.com 01.05.2023

The form factor is similar to AYN/DC (video #23) however this time it's a superheterodyne and has more common with HBR/8B (video #24).PCB, schematic & firmwa...

#27: AYN/4B, a portable QRP CW transceiver for 40/30/20/17 meters

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#27: AYN/4B, a portable QRP CW transceiver for 40/30/20/17 meters

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