A radio receiver consisting of just a very good analog-to-digital converter connected directly to the antenna plus a powerful computer could make a great radio. However, the present state of the ...

In case the Realtek RTL2832u-based USB TV tuner dongle isn’t useful enough, the folks behind a project to get a software defined GPS receiver off the ground successfully plotted GPS data in real-time ...

No doubt most tech and electronic enthusiasts have encountered buzz around SDR, software-defined radio, and asked themselves “what’s the sudden big deal,” if the technology existed for decades? The re ...

NRSC-5 is a high-definition radio standard, used primarily in the United States. It allows for digital and analog transmissions to share the original FM bandwidth allocations. Theori are a ...

We’ve all used walkie-talkies at one point or another, or seen a cop do it on some movie. Short-hand radio has been around forever, but creating your own radio to listen in can cost hundreds of ...

The frequencies employed by law enforcement and first responders can be a source of vital information in emergency situations but you can’t tune in using any old radio. But rather than spend big bucks ...

The HD Radio standard, at least in the US, is encrypted and proprietary, with apparently some rather strong lawyers behind it. So, unless you feel like reverse engineering a few receivers to figure ...