KKUP (91.5 FM) is a community radio station broadcasting a Variety format. Licensed to Cupertino, California, United States, it serves the greater Bay Area. The station is currently owned by the Assurance Science Foundation, Inc., and is a member of the National Federation of Community Broadcasters. KKUP also has a booster, KKUP-FM1, licensed to Los Gatos, California.
In the 1970s, one of the engineers at the station was John Draper, otherwise known as "Captain Crunch" the phone phreak