[PRCo] Re: More than you wanted to know about Pittsburgh TV

[Fred Schneider]

I never ceased to be amazed by the knowledge of people on this address list.  Thanks
Derrick.

Derrick J Brashear wrote:

> On Fri, 23 Apr 2004, Fred Schneider wrote:
>
> > Yes guys, I know this has nothing to do with trolleys in Pittsburgh.  So what!
> > You'll find delete key over to the right.
> >
> > About the same time as that channel shuffle, WGAL TV in Lancaster changed from
> > channel 4 to 8, allegedly because of interference with 4 in Washington DC.   Was
>
> See the FCC's 1951 "Sixth Report and Order" (issued 1952) for details of
> the channel swapping. Basically, the original VHF spacing requirements
> didn't take into account some of the phenomena which might cause
> interference.