ETWN Global Catholic Radio - 1590 AM.  Some of the shows broadcast via this radio station are also available via the Internet at http://www.stjosephradio.com.  To access this radio station via the Internet, you will need RealAudio and other programs.   The St. Joseph Radio web site details the requirements necessary.

Another Catholic Radio station is KVSS-FM, in Omaha, Nebraska, which is accessible via the Web.