 The station then changed hands and was owned by Radio Anthracite, Inc. with the call signs changing along the way to WNAK.The station changed ownership in 1958 to Attorney Martin Phillips and Wyoming Radio, Inc.In 1965, Bob Neilson, Charmaine Grove, and accountant Harold Detwiler (to be known collectively as Seven-Thirty Broadcasters, Inc.) purchased radio station WNAK from Attorney Martin Phillips and Wyoming Radio, Inc. During the 1980s, WNAK started broadcasting with the Kahn-Hazeltine AM stereo system, the only northeastern Pennsylvania AM broadcasting station to use the system.