KGO is a commercial AM radio station licensed to San Francisco, California, and owned by Cumulus Media. Due to its extensive groundwave signal and the effects of the surrounding terrain, its coverage is greater than any Bay Area FM station, and it registers with Arbitron as a station listened to in surrounding metropolitan regions. Cumulus's local offices are based on Battery Street in the SoMa portion of San Francisco's Financial District.

All-news radio is a radio format devoted entirely to the discussion and broadcast of news.