Wikipedia
WBBM-FM
WBBM-FM, known on air as "B96", is a Top 40 (CHR) radio station in Chicago owned by CBS Radio. The station broadcasts at 96.3 MHz with an ERP of 3.3 kW from a transmitter atop Willis Tower (formerly Sears Tower), and its studios are located at Two Prudential Plaza in the Loop. WBBM-FM's main competition is WKSC-FM, as well as urban rivals WGCI-FM and WPWX.
WBBM-FM broadcasts two channels in the HD Radio format.