107.5 WGCI was also programmed to appeal to black audiences, and it and other FM stations won away many of WVON's listeners.Zorn, Eric. "WGCI Alphabet Change Doesn't Soup Up Listener Ratings", Chicago Tribune. February 4, 1985. WGCI became so successful that Gannett changed the call letters of 1390 from WVON to WGCI in 1983."Call letters", Broadcasting. October 17, 1983. p. 82. Retrieved May 8, 2019. Midway Broadcasting immediately filed a request with the FCC to change WXOL's call sign to WVON, and on March 28, 1984 the WVON call letters returned to their former home at 1450.Call Sign History 42068, fcc.gov. Retrieved January 20, 2020. The station experienced a 50% increase in its audience after the call sign change.
