The broadcast is mirrored as streaming media on the World Wide Web, extending the station's audience far beyond the Bay Area.

Many well-known media personalities were educated at the College of San Mateo, including tabloid TV reporter Steve Wilson, ESPN sportscaster, San Francisco Giants announcer Jon Miller and K101 air personality Jeff Serr.

Some of the programs were obtained from independent producers, such as the show Radio à la Carte directed by Emmanuel Serriere.

Peterson and Adcock featured "New Age" and electronic music, styles which received minimal broadcasting on Bay Area radio at the time.

Sister station KCSM-TV was sold to the owners of KRCB in July 2018 and renamed KPJK; despite the sale, KCSM radio continued to be simulcast on KPJK subchannel 60.6 as "KCSM Jazz TV", even though the radio station was retained by the San Mateo County Community College District.