[BC] Question on high level FM Iboc

[Williams, Chris Albuquerque]

Tom,
Most IBOC gear can run in a combined analog/iboc mode, why not utilize
that when you install your new equipment and set up relays to turn your
iboc transmitter into a low power backup. Better then just being off the
air. What transmitters are you going to be using? The Harris requires
constant 12v to pull a relay in to do backup mode. The BE stuff is just
a closure on the remote barrier strip. But this can be done with both.

Chris 

-----Original Message-----
From: broadcast-bounces at radiolists.net
[mailto:broadcast-bounces at radiolists.net] On Behalf Of Tom Bosscher
Sent: Wednesday, November 16, 2005 3:29 PM
To: Broadcast Radio Mailing List
Subject: [BC] Question on high level FM Iboc

    For any FM's that are running high level combining:

 Do you have the digital transmitter interlocked and/or controlled from
the analog so that if the analog goes off, the digital goes off? I am in
the planning stages of designing a new transmitter plant.  The rules
require that anything outside your direct analog carrier has to be "X" 
far down from the analog carrier. So if you don't have an analog
carrier, any "IBOC" emissions would be outside the  mask right? To my
interpretation, if the analog overloads, or goes off for any reason, the
digital has to go off with it.

    tom bosscher



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