The courtship of NBC by the Herald-Traveler

[Donna Halper]

At 08:49 PM 6/20/2009, Kevin Vahey wrote:
>KYW had replaced WFI-WLIT as the NBC primary for Philadelphia when it
>moved in from Chicago and when WFI and WLIT merged they became NBC
>Blue as WFIL and stayed with ABC.

And according to the Chicago Tribune, 6 September 1934, the NBC 
affiliate was WLS, but it was about to cease being an NBC affiliate 
in the next several months; the radio critic for the Tribune (Larry 
Wolters, generally very reliable) speculated that all this was in 
preparation for the arrival of KYW.