“When all else fails, there’s ham radio.” With Hurricane Harvey just wrapping up, and Irma queued up to clobber Florida this weekend, hams are gearing up to pitch in with disaster communications for ...

For 100 years or so, amateur radio operators have sat in front of their radios. And the radios have been connected to their antennas directly or by physical transmission lines – coax cable, open-wire ...

What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...