Editing WLS (AM) (section)

===ABC ownership===
WENR and WLS shared their common frequency on a time-sharing arrangement until 1954, when ABC (then known as American Broadcasting-Paramount Theatres) bought a 50 percent interest in WLS and combined the stations under the WLS call sign.<ref name="wls20" /><ref>{{cite magazine|url=https://archive.org/details/broadcastingtele46unse/page/n649/mode/1up|title=WLS, WENR Chicago Merge – Now WLS|magazine=Broadcasting – Telecasting|date=February 8, 1954|page=52|access-date=June 22, 2024}}</ref>
In November 1959, ABC announced its purchase of ''Prairie Farmer'' and its half of WLS, giving ABC full ownership of the station.<ref>{{cite magazine|url=https://www.worldradiohistory.com/Archive-BC/BC-1959/1959-11-23-BC.pdf|title=AB-PT Buys Rest of WLS; Purchases Prairie Farmer Publishing Empire|magazine=[[Broadcasting & Cable|Broadcasting]]|date=November 23, 1959|page=76|access-date=August 24, 2018}}</ref>