WLS-FM

WLS-FM is a classic hits radio station based in Chicago, Illinois, broadcasting on the 94.7 MHz frequency. Owned by Cumulus Media, it primarily plays popular rock and pop hits from the 1970s, 1980s, and 1990s. The station traces its origins to 1948 and has undergone various format changes over the decades before settling on its current classic hits format. Its call letters, WLS, originally stood for "World's Largest Store," reflecting its founding ties to Sears, Roebuck and Co. WLS-FM shares branding and history with its AM counterpart, WLS 890 AM, a historic station in Chicago.