With the exception of the nine years in which they played country, WLDR carried some sort of adult contemporary format for its first 38 years, and today. The station's call letters stood for "Long Distance Radio", suitable since they broadcast at 100 kW.
For the first 38 years of its existence, WLDR played adult contemporary music, with the exception of a nine-year period when it focused on country music.  The station's powerful signal (100 kW) was reflected in its call letters, "Long Distance Radio."