Listen to the "790 KABC" radio station live. The "790 KABC" studio is located in Los Angeles, CA. Callsign: KABC. Broadcasting region: Los Angeles, California, and serving the Greater Los Angeles area. Start of broadcasting: in August 1925 the station first signed on, as KFXB, licensed to Big Bear Lake, California, and broadcasting at 1430 kHz. Program format: Talk radio, discussion about topical issues and consisting entirely or almost entirely of original spoken word content. Target audience: 25-54 years old. Audience Reach: 18,490,242.