After getting his hands on this relic [Gregory Charvat] manage to hack it, converting the receiver into a transceiver. It may be old, but the R-390A is nothing to scoff at. It’s abilities include AM, ...

Digital shortwave radio is no dream: It exists today. Right now, foreign-service broadcasters in Europe, Asia, Africa, Oceana and the Americas are providing regular digital radio broadcasts over ...

[Mikrowave1] had a Unelco shortwave receiver as a kid. This was a typical simple radio for the 1960s using germanium and silicon transistors. It also had plug-in coils you had to insert into sockets ...

(click thumbnail)Clockwise from upper left are the Grundig Classic 960, Grundig Satellit 800 Millennium, Sun-Mate Info-Mate, Grundig Mini World 100 PE, Sangean ATS-505 and Panasonic RF2200.Despite all ...

Shortly before access to the BBC News website was reportedly blocked in Russia a few days ago, the BBC announced that it was resuming the broadcasting of the BBC World Service via shortwave radio for ...

The circuit replaces the old circuit that uses ZN414 with a newer MK414 IC but still integrates the same features. It features high quality audio, low current consumption, no alignment and complete ...

If you’re sick of all-talk AM radio, scratchy static or shortwave signals that sound like they’re being sent from Mars, take heart. Just like television, radio is going digital. But lines are being ...

From the receiving side of the circuit, the antenna was made of random wire coupled with the inductor L1 having a single turn while inductor L2 has 4 turns wound around a 35 mm film container. Both ...

Add Yahoo as a preferred source to see more of our stories on Google. Shortly before access to the BBC News website was reportedly blocked in Russia a few days ago, the BBC announced that it was ...