WZDA (103.9 FM) is a commercial alternative rock radio station licensed to Beavercreek, Ohio, serving the Dayton metro area, owned by iHeartMedia, Inc.. The WZDA studios are located in Dayton, while the station transmitter resides in the neighboring suburb of Moraine. Besides a standard analog transmission, WZDA broadcasts over two HD Radio channels, and is available online via iHeartRadio.