For example,
Laura Ingraham can be heard here:
http://www.am1280thepatriot.com/
From 2:00 - 5:00 a.m. Central Time...
(But I'm hoping to find a more reasonable time.)
Rush Limbaugh
www.kfbk.com/streaming.html
Weeknights at 10 pm PST. Saturday and Sunday replays, as well.
KFBK in Sacramento is credited as Rush's home station. :)