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. The radio ...

The project consists of 5 vacuum tubes without ICs or transistors for making a true SSB QRP transceiver for 20m Ham band. The project consists of 5 vacuum tubes without ICs or transistors for making a ...

Given favourable radio wave propagation, the shortwave and radio amateur band are chock-a-block with SSB (single-sideband) transmissions, which no matter what language they’re in, will fail to produce ...

The humble ATmega328 microcontroller, usually packaged as an Arduino Uno, is the gateway drug for millions of people into the world of electronics and embedded programming. Some people just can’t pass ...

The Qatar Amateur Radio Society (QARS) is participating in the International Amateur Radio Contest – CQ WW SSB 2019, which is held annually and is ranked as the most important international radio ...