WCGO was previously called WLTD and aired music, old-time radio shows, and talk shows.
For the station in Chicago Heights, Illinois on AM 1600 that held the call sign WCGO from 1959 to 2009, see WCGO (1600 AM). WCGO (1590 AM) is a radio station broadcasting a talk format, with Korean Christian programming weekday mornings. Its call sign was changed to WLTD on November 2, 1970. WLTD aired easy listening music, old-time radio shows, and specialty talk shows. 
WCGO Evanston, Illinois WNMP (1947-1970)
WLTD (1970-1979)
WONX (1979-2009) WLTD aired easy listening music, old-time radio shows, and specialty talk shows. Its call sign was changed to WLTD on November 2, 1970. 
