A Joint Terminal Attack Controller uses his Android Tactical Assault Tablet Kit during a close air support mission as part of a Northern Strike training exercise. (Scott Thompson/National Guard) U.S.

There was a time when ham radio operators were known for having long conversations over the radio — rag chewing, as they called it. A new program, LongChat, is a new entry into the ham radio software ...

On September 11, 2001, some 900 radio users from 50 public safety agencies responded to the terrorist attack on the Pentagon. Some of the firefighters, police, and rescue workers had trained together ...

Software radio is the technique of getting code as close to the antenna as possible. It turns radio hardware problems into software problems. The fundamental characteristic of software radio is that ...

In 1997, the Defense Department began its quest for the perfect family of radios: software-defined radios that, like computers, could be reprogrammed for different missions and could communicate with ...

Nautel is offering its HD Radio Software‑Based Air Chain as a subscription solution. It will cost $299 per month for U.S. users of GV2 FM transmitters. This is targeted to FM broadcasters seeking to ...

When the first USB DTV receivers came out with tuners covering 54–806 MHz, I wondered if any of them could be modified into an inexpensive spectrum analyzer. Thanks to RealTek and some Linux kernel ...

What if you could decode the invisible chatter of wireless networks, uncovering the secrets of off-grid communication systems, all with tools you can build at home? The intersection of ...

As telecommunication technologies evolve there is an on-going drive for the development of high-performance systems for radio communications. Part of that evolution involves implementing components in ...