WGCI broadcasts with 3,700 watts (3.7 kilowatts) at 107.5 megahertz (MHz) from atop the Willis Tower in Downtown Chicago, and has studios located in the Illinois Center complex on Michigan Avenue.

[26] The following year, Combined Communications merged with Gannett Co.[27] WGCI shifted away from disco in 1980, in favor of a more broad urban contemporary format.

[28][29][30] In 1983, WVON flipped its callsign to WGCI to match its FM partner, and 107.5's call sign was changed to WGCI-FM.

[31] Instead of choosing between the two, Joyner chose to take both jobs, and for years he commuted daily by plane between the two cities, earning the nicknames "The Fly Jock" and "The Hardest Working Man in Radio".

[46] On April 1, "The Morning Riot" debuted starring Tony Sculfield, Leon Rogers and Nina Chantele.

[48] In January 2015, WGCI began airing a new morning show hosted by Leon Rogers, Kyle Santillian and Kendra G.[49] WGCI-FM formerly simulcast on XM Satellite Radio channel 241.

[50] Station owner Clear Channel sold off its ownership stake in Sirius XM Radio during the second quarter of fiscal year 2013.