City | Chicago, Illinois |
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Broadcast area | Chicago metropolitan area |
Branding | 94.7 WLS-FM |
Slogan | Chicago's Classic Hits |
Frequency | 94.7 MHz (also on HD Radio) |
First air date | January 1, 1948 |
Format | Analog/HD1: classic hits HD2: Talk radio (WLS AM simulcast) |
Audience share | 2.3 (Holiday 2016, Nielsen Audio[1]) |
ERP | 4,400 watts |
HAAT | 468 meters (1,535 ft) |
Class | B |
Facility ID | 73228 |
Transmitter coordinates | 41°52′44.00″N 87°38′8.0″W / 41.8788889°N 87.635556°W (NAD27) |
Callsign meaning | World's Largest Store (from AM sister station) |
Former callsigns | WENR-FM (1948-1964) WDAI (1971-May 22, 1980) WRCK-FM (May 22 to Dec. 1980) WYTZ (1986-1991) WKXK (1996-1997) WXCD (1997-2001) WZZN (2001-2008) |
Owner |
Cumulus Media (Radio License Holdings LLC) |
Sister stations | WKQX, WLS, WLUP |
Webcast |
Listen Live Listen Live (via iHeartRadio) |
Website | www |
WLS-FM (94.7 FM) is a commercial FM radio station licensed to serve Chicago, Illinois. The station is owned by Cumulus Media, through licensee Radio License Holdings, LLC, and broadcasts a classic hits format. WLS-FM studios is located at the NBC Tower on North Columbus Drive in the city's Streeterville neighborhood, and the station broadcasts from a tower located atop the Willis Tower at (41°52′44.0″N 87°38′8.0″W / 41.878889°N 87.635556°W).
WLS-FM uses HD Radio, and simulcasts the talk radio programming of sister station WLS AM on its HD2 subchannel.
The station was launched in 1948 as WENR-FM, owned by the American Broadcasting Company and simulcasting sister station WENR (AM), which shared the 890 kc. frequency with then Prairie Farmer-owned WLS; both stations carried ABC Radio Network programs. In 1954 (a year after ABC's merger with United Paramount Theatres) WENR and WLS merged their AM stations into one, jointly owned by American Broadcasting-Paramount Theatres and Prairie Farmer and retaining the WLS call letters. WENR-FM then began simulcasting WLS, and later adopted its own separate programming formats (which included classical and Broadway theatre show tunes) for part of the day. The station was operated out of a broom closet with minimal personnel in hopes that FM broadcasting would grow.