WHKZ (1440 AM) is a non-commercial radio station licensed to Warren, Ohio, featuring a Catholic–based Christian format as an owned-and-operated station in the Relevant Radio network. The station serves both Sharon, Pennsylvania, and Youngstown, Ohio. WHKZ's transmitter resides on Calson-Salt Springs Road in Warren, operating at a continuous power of 5,000 watts; the directional antenna pattern uses two towers during the day, and six towers at night.