WLS is a commercial AM radio station in Chicago, Illinois. Owned by Cumulus Media, through licensee Radio License Holdings LLC, the station airs a talk radio format. WLS studios are in the NBC Tower o
The Prairie Farmer Building, home to WLS's studios from 1930 to 1960.
WLS's transmitter building in Tinley Park
On March 29, 1941, WLS and WENR moved from 870 to 890 kHz, as part of the regional NARBA reassignments
WLS weekly Silver Dollar Survey, distributed free via record stores, was retitled Silver Beatle Survey during the height of Beatlemania
In September 1937, amid a polio outbreak in Chicago, Chicago Public Schools undertook a pioneering large-scale program that provided at-home distance education to the city's elementary school students
Schedule for September 16, as printed in the Chicago Tribune