KPFA (94.1 FM) is a listener-funded progressive talk radio and music radio station located in Berkeley, California, broadcasting to the San Francisco Bay Area. KPFA airs public news, public affairs, talk, and music programming. The station signed on-the-air April 15, 1949, as the first Pacifica station. The aims of the station are to promote cultural diversity, promote pluralistic cultural expression, contribute to a lasting understanding between individuals of all nations, races, creeds and colours. It also promotes freedom of the press and acts as a forum for various viewpoints.