This gorgeous old-style radio is actually a DIY kit, made from cardboard. The faux-wood case hides a hybrid of the modern and the ancient. The radio stage uses vacuum tubes to receive and produce ...

I have no doubt someone else here is into Ham radio. My dad gave me all of his ham gear, and I mean all of it. I'm working ... Tubes: I've got 4x 4-125 tubes, and 1 3-500Z tube, ...

It’s a companion to his recent “spy transmitter,” a two-tube radio built in ... but still managed about 1.5 Watts output on the 80-meter ham band. The receiver circuit ended up being ...

According to [M Caldeira], the Blaupunkt Sultan 24300 was one of the last tube radios made in the 1960s. He’s got one but it needed some tender loving care, and you can see how he approaches a ...

Early amateur radio operators adopted the name for themselves to highlight the unprofessional nature of their involvement in radio. [Read " 7 Gadgets That Changed the World ."] Today's ham radio ...

Somehow it makes little sense that amateur “ham” radio continues to thrive in the age of Twitter, Facebook and iPhones. Yet the century-old communications technology — which demands such ...

While most of us are excited just to catch a glimpse of a solar eclipse, HAM radio operators in Northwest Ohio and around the world will be collecting data for scientific study.