AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

WARNING: Most unlicensed radio broadcasts are illegal in the U.S. The following is for informational purposes only. With just a basic tool kit, some copper wire, a piece of coke, a car battery, a ...

We’ve frequently talked about amateur radio on these pages, both in terms of the breadth of the hobby and the surprisingly low barrier to entry. It’s certainly the case that amateur radio does not ...

The Digital Radio Consortium came to the IBC Show in Amsterdam eager to announce several new developments related to the DRM ...

Researchers have developed a tiny unit that is both an optical transmitter and a receiver. Researchers at Linköping University, together with colleagues in China, have developed a tiny unit that is ...

For good reception, a radio must have good selectivity (selectivity is a radio's ability to separate weak stations and strong stations on the FM dial) and good sensitivity (the ability to receive weak ...