Dunn recalls the history of SSB within ham radio from the 1950s when most voice communication was done through amplitude ...

He has managed to implement a software-defined SSB ham radio transceiver for the HF bands on the ATMega328, and it looks like the project is going places. The radio started life as a QRP Labs ...

Talking about this Chinese ham radio transceiver requires a veritable flurry of acronyms: HF, SSB, QRP, and SDR to start with. [Paul] does a nice job of unboxing the rig and checking it out.