I don't think you're going to detector anything close to the earth without being...

mhh__ on Oct 9, 2020 | parent | context | favorite | on: Show HN: I reverse engineered my cable modem and t...

I don't think you're going to detector anything close to the earth without being able to transmit (or a very sensitive passive system I guess but I'd have to do the calculations), which is not really amateur territory.