Now with a cheap USB TV tuner card, you can jump right into the world of software-defined radio. Elsewhere on the Internet, a surprisingly active RTL-SDR subreddit popped up dedicated to using ...

Today, that goal is still not trivial, but it is way easier due to specialty ICs, ready access to high-speed digital signal processing, and advances in software-defined radio techniques.

MTRI has successfully implemented a three-node software-defined radio (SDR) system that records 25 MHz of bandwidth continuously on each node for up to 120 seconds. The system is capable of ...