IMAGINE AN INFINITELY flexible radio. Simply by loading in various free programs, you could turn the device into a multistandard mobile phone, a GPS locator, an AM-FM stereo receiver or even a ...

AM radio is still the default for emergency broadcasts, but there are far more ways to spread information now.

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 ...

The author of this commentary is communications systems engineer with Xperi Corp. As carmakers increase electric vehicle (EV) offerings throughout their lineups, the availability of AM radio to ...