WBZ Reception

[Doug Drown]

>>> In Chicago you could never hear the NYC clear channels as they were all
> adjacent to the Chicago stations - (660, 670 - 710, 720 - 770, 780 - 880,
> 890 ) but WBZ roared in.

Am I correct in thinking that over time, as the national networks built or
purchased what became their New York and Chicago O&Os, the above scheme was
organized deliberately?  It sticks in my mind that I read that somewhere.