When it comes to radio frequency oscillators, crystal controlled is the way to go when you want frequency precision. But not every slab of quartz in a tiny silver case is created equal, so crystals ...

The RTL-SDR dongle is a real workhorse for radio hacking. However, the 28.8 MHz oscillator onboard isn’t as stable as you might wish. It is fine for a lot of applications and, considering the price, ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In my last column I described measurements I made on some indoor TV antennas. The “Spectrum Spy” ...

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 ...

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 ...