Wikipedia
WGCI-FM
WGCI-FM ( 107.5 FM) is an Urban Contemporary radio station that has a city of license of Chicago, under ownership of iHeartMedia, Inc. (formerly known as Clear Channel Communications until September 2014).
WGCI broadcasts with 3700 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. Like many Clear Channel-owned urban radio stations, it uses the slogan "#1 for Hip Hop and R&B".