KCBS-FM is a radio station in Los Angeles, California broadcasting to the Greater Los Angeles area on 93.1 FM. KCBS-FM airs an adult hits music format branded as "Jack-FM".Unlike other radio stations of similar format, the Los Angeles Jack FM playlist runs a fairly focused playlist of popular classic rock and Alternative Rock tracks. Currently, the station has no air staff save for Tami Heide with her "Jacktivities" (events and whatever announcements deemed worthy by "jack").