Homebrew 4 band QRP SSB/CW pocket transceiver (SP-6) 

A completely scratch built QRP SSB/CW superhet transceiver for 80, 40 30 and 20m based on a symmetrical SA612 circuit. The video shows the features, some of the detail, and includes a SOTA activation on My Dandenong, the closest SOTA summit to the city of Melbourne Australia.
Design drawn from DK7IH's Micro42 project. Other design elements from many sources.
Build by Paul VK3HN.
Blog with a comprehensive writeup and complete kicad circuit diagram: vk3hn.wordpres...
Arduino script:
github.com/prt...
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