 During this time, Bay Cities had pending an application to relocate the station's transmitter and add nighttime service with 1,000 watts, which was granted in 1980.In 1979, WOKT became WTJZ with a jazz format.Low ratings prompted the station to change to oldies in 1982, with WGH-FM DJ Roger Clark coming to WTJZ as station manager; the station continued to retain a number of jazz tracks in its playlist.