If you’ve lost interest in that DVB dongle you bought to give software defined radio a try you should bust it back out. [Harrison Sand] just finished a guide on how to use SDR to listen in on ...
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 ...