sentences:  Like most small-market AM radio stations of its ilk, WKRZ programmed a format of full-service news, sports, and adult contemporary music, with world and national news provided by the NBC radio network (it originally affiliated itself with the Mutual Broadcasting System on April 27, 1946, becoming its 300th station, with the network broadcasting a two-hour prime-time special, "Mutual's 300 Party", honoring the event).From the time of its sign-on until the sale to its current owner, the station maintained its studios and offices at its transmitter site at 746 Orange Street on a hilltop overlooking downtown Oil City.WOYL also became the very first FM licensee in Venango County when it signed on its sister FM station on May 1, 1957.