Hacker News Reader

The hell are those guys doing? I always had the itch, but never pulled the trigger on getting my feet wet into SDR. Radio astronomy?

It's a ham radio contest station. Doesn't really have to do with SDR.

Tim’s station is one of the biggest in the world. His tallest tower is 240 feet high.

Some stations do use SDRs to feed the reverse beacon site. https://beta.reversebeacon.net/main.php