[BC] AM IBOC In The Dallas / Fort Worth Market

[Steve Newman]

This is all fine and good. If you've driven the signals in the SF Bay Area 
you know what I'm talking about. I worked for KFRC (610) and you could drive 
that signal into the Sierras. Amazing. They may be under-engineered but you 
can't argue with those conductivity numbers and those distances. I don't 
know where you're from or where you were born and raised but I am from there 
and know the signals. Thanks for the additional info.

Steve


----- Original Message ----- 
From: "PeterH5322" <peterh5322 at rattlebrain.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Wednesday, August 09, 2006 11:09 PM
Subject: Re: [BC] AM IBOC In The Dallas / Fort Worth Market


>
>>Give me the ground conductivity of the San Francisco Bay Area. 30! It 
>>seems
>>it would take more than 50Kw here in the South to do what a 5Kw plant does
>>there.
>
> The AMs in S.F. are under-engineered.
>
> Neither Class A has a conforming radiator, although both have a salt
> water ground.
>
> The lowest frequency Class A didn't install a vertical radiator until
> 1949.
>
> The highest frequency Class A didn't install a vertical radiator until
> 1941.
>
> One "legacy" Class B is still operating 5/1 ND-U, seventy years after the
> technology was available to upgrade to 5 DA-N. And, back then there were
> no co-channel stations in the western U.S. Now there are many.
>
> The lowest frequency Class B didn't upgrade from 5/1 ND-U to 5 DA-N until
> fifty years after the technology available there to do so.
>
> The second lowest frequency Class B has a conforming radiator only
> because its site owner (it is a tenant) installed a 225 degree radiator
> many moons ago. This Class B is operating into a ground system which is
> sized for one of the highest Class C frequencies.
>
> And so on.
>
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