 At night, WILK must power down to 1,000 watts, leaving most of Scranton with only a grade B signal.In 2005, Entercom flipped a station in the Madison, Wisconsin area to adult hits; the WBZU call letters were moved to Scranton, ending 80 years as WGBI.In 2007, the station moved its transmitter to the tower location atop the Times Building at 149 Penn Avenue in downtown Scranton also being used by WEJL's transmitter.