 Originally known as WGBI from its 1925 sign on date until 2005, the current WAAF call sign is a "parking" move administered following Entercom's divestiture of WAAF (FM) in the Greater Boston region.In addition to a standard analog transmission, WAAF's programming, in concurrence with WILK-FM and other associated relays, is available online via Radio.com.WGBI signed on the frequency of 1250 kHz in 1925, owned by Frank S. Megargee.