 WQLH's studios are located on Victoria Street in Green Bay, while its transmitter is located near Suamico.The station launched in 1967 as WDUZ-FM on 98.3 with 3000 watts and a minimal antenna height of 77' (and would later move to 98.5) (a sister station to WDUZ) and aired a beautiful music format until January 1990.At that time, the station shifted to a soft adult contemporary format as "Light 98.5 WQLH" (meaning "Quality Light Hits").