Typically, amateur radio operators use the minimum power needed ... That’s where builds such as this well-engineered 600W broadband RF amplifier come into play. We’re really impressed with ...

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.