They change. If you want to try direct tuning you'll want to check with monitoring groups or newest YouTube videos, etc. Otherwise if you are in the US...aka ne

They change. If you want to try direct tuning you'll want to check with monitoring groups or newest YouTube videos, etc. Otherwise if you are in the US...aka near a secret agent ;-)... scanning around works well enough. I don't know if this is still the case but they used to use a freeware Windows XP encryption application. The amused author wrote a bit about it, IIRC.