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[TowerTalk] Commercial FM Station Interference

To: <towertalk@contesting.com>
Subject: [TowerTalk] Commercial FM Station Interference
From: jleikhim@nettally.com (Leikhim, Joe)
Date: Tue, 10 Jun 1997 00:26:36 -0400
Larry A. Crim wrote:
> 
> On Mon, 9 Jun 1997, Ken Anderson wrote:
> 
> > Is there a station engineer or otherwise knowledgeable person
> > on FCC standards for location of Commercial FM stations.
> 
> As a soon to be former owner/operator of over 7 commercial FM stations I
> am somewhat knowledgeable, depending on with whom you ask.
> 
> > The station in question is a Class A at 107.5 MHz (second harmonic is
> > in Ch13 the local CBS affiliate!) running 6KW to an Omni antenna at
> > 60 feet above local terrain.  Is this a normal situation for such stations?
> 
> I have operated FM stations from 410 watts to 100kw, from 92.5 mHz to
> 106.9 mHz and have never had a single TVI complaint in over 19 years in
> the business.  If there IS a real TVI problem, it is probably the fault
> of the FM broadcaster.

It is possible that the FMer is overloading the local TV sets and the 
TV's themselves are producing the second harmonic.


-- 
Joe Leikhim
Jleikhim@nettally.com

"tv dinner by the pool, 
i'm so glad i finished school" -F.Zappa 1967

"The Revolution will NOT be televised" -Gil Scott Heron


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