Unfortunately, Laura Ellen (the program director and DJ) passed away. The KPIG, owner of the station, discontinued it.
As of 3/23/2009 it is back up and running! www.cowboyculturalsociety.com
As of 06/2009, Try this stream URL (copy/paste into iTunes or player) http://stream2.streamq.net:8010/Cowboy_Cultural_Society
As of 9/30/2009, the above listed stream2 URL seems to be down.......