[BC] Question on high level FM Iboc

[Mike McCarthy]

The Nautel V-10 can rebias the PA on the closing of a contact input to go 
from IBOC or low level combined to full FM only power of 11KW.  Everyone 
else needs something more to be done to them for that to occur.

MM

At 05:20 PM 11/16/2005 -0600, Williams, Chris \(Albuquerque\) wrote
>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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