Every day, twice a day, over 800 weather balloons are launched around the world at exactly the same time. The data transmitted from these radiosondes is received by government agencies and shared with ...

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 ...

When we first started hearing about software-defined radio hacks (which often use USB dongles that ring it at under $20) we didn’t fully grasp the scope of that flexibility. But now we’ve seen several ...

RTL-SDR.COM is a blog about news and projects revolving around the “RTL-SDR” – a very cheap software defined radio based on DVB-T TV tuner dongles with the RTL2832U chip. The RTL-SDR can be used as a ...