WDUKWDUK is a commercial radio station broadcasting a country music format in Havana, Illinois, United States.HistoryThe construction permit for WDUK was issued on October 1, 1969, to the Illinois Valley Broadcasting Company, owned by M. Kent Whitten and Lawrence and Robert Martin. The station was licensed on December 1, 1970. The station was acquired by Edwin G. Stimpson Jr., doing business as Illinois Valley Radio, in 1973.