CKLW and WABC were stronger at ~ 43/79
I never listened to WLS.
WBBM in Chicago was very strong. Easily could receive it all the way in Florida.
Oddly, yours is the only mention of the Motown powerhouse CKLW.
I enjoy reading the history of that station. I got into it toward the end of the heyday early 70’s.
Byron McGregor and Jojo Shutty were still around. I remember Pat Holliday, Super Max Kinkel and a few others.
A while back, I was looking for 20/20 News clips. Staccato voice with teletype machine background. “The Detroit City morgue has eight new visitors lying on stretchers with toe tags today after a horrific murder...”