[Leftism is Mentally Deranged]

BS. Old-style transmissions are undetectable after a few light-years anyway. The nearest star is 4 light years away.
(What is stronger? the signal or the background noise?)

[PugetSoundSoldier]

Oversampling is your friend. It’s how you can see RADAR and SONAR returns that are 40+ dB below the noise floor...