[BC] ABC Network in the wired days

[Mark Durenberger]

There's a fascinating story about the days when WBBM and KFAB tried "synchronous" 
AM.  Somewhere I have a picture of a rack full of repeat coils that were used to 
delay the signal into the WBBM transmitter, while it traveled via phone line to 
KFAB.


Mark Durenberger


----- Original Message ----- 
From: "Rob Atkinson"
> At 06:31 PM 7/10/2005, R J Carpenter wrote
>>Back in the distant past WMAL-FM used to carry the ABC news from the
>>outgoing wire when the network was fed from DC.  WINC was at the
>>tail-end of the big eastern loop.  One could hear a word on 'MAL and
>>quickly tune to 'INC and hear it again - having traveled thousands of
>>wire miles.
>
>         Bob,
>
>         When was that?  In 1970, the net was fed from
>         NYC, and when I was shown the net control center,
>         the loop was approx four seconds from "out" to "in."
>
>         Either way, quite an amazing look at how
>         propagation over wire definitely has a time
>         constant!