Which is ironic given that with modern cheap USB-powered SDRs one can build a sc... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

dreamcompiler on April 8, 2023 | parent | context | favorite | on: FCC warns Portland church to shut down pirate FM o...

Which is ironic given that with modern cheap USB-powered SDRs one can build a scanning spectrum analyzer for the FM band for approximately $0.

With an expensive SDR (e.g. $300) one can record and play back the entire FM band for a time duration limited only by one's available disk space.

jacquesm on April 9, 2023 [–]

You'll want to go a lot higher than your fundamental.

sgtnoodle on April 9, 2023 | [–]

RTL-SDR goes up to 1.8Ghz. Should be enough to get a pretty good sense of the harmonics?

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact