It all started with this post from The New York Radio Message Board:
CBS-FM to change formats at 5PM - Glenn 16:36:21 06/03/05 (0)
Posted by Glenn on June 03, 2005 at 16:36:21:
WCBS-FM is flipping to Jack today at 5. Tune in!
It is June 3, 2005 and JACK has arrived, CBS-FM is dead.
Here are some great posts from the New York Radio Message Board analyzing the implications of this decision:
"Conversation with Bobby Jay" by VINCE SANTARELLI
"Harry Harrison's Good-Bye From The Bergen Record" Posted BY ALLAN SNIFFEN
Analysis in "Radio & Records" on why WCBS-FM changed format
[John F. Porcaro's Radio History Pages]