Edit -- March 2021: Greetings from the future! Many people have got in contact with me or my Dad asking for more information about this project over the ~7 years since it was created (if you contacted ...

The transceiver in question is a commercial portable one, an Elecraft KX3, and the brain of the payload is a Raspberry PI. It’s operating the FT8 mode, and will respond to a call on 14074 kHz ...