Here's a fun news story about how KYW is almost always tops in the ratings. The story also offers some info about Oldies stations WOGL and WIOQ, as well as fun facts about Eagle 106, Sunny 104.5 (the first one), WCAU-AM (hello, Julius!), Kiss 100 and "adult pop" WMGK.
https://web.archive.org/web/2015010...country-station-ratings-drop-arbitron-ratings
https://web.archive.org/web/2015010...country-station-ratings-drop-arbitron-ratings