I hope I'm not too late with this. I don't pay attention to the
group much anymore.
On iTunes (aka Apple Podcast) you can find The Art Bell Archive.
It has a lot of files available. Plus it adds new ones every so often.
It only offers Coast to Coast AM hosted by Art. If you want something
from another host, you'll have to look elsewhere.
The group news:alt.binaries.sounds.radio.coasttocoast.am
lot of audio files. If you have access, and the server you use has
long enough retention, you can get a lot from there.
"Hail imp," shouted Vlad, the Imp Hailer.