[Towertalk] Moving To New QTH

[Bill Wall]

Hi Chuck and all:
I moved to the country to get away from the noise. After I moved to my new
QTH Ga. Power condemned part of my property and ran a 240KV line within 350'
of my shack. Next a radio tower 1350' tall was constructed about one mile
away with 100KW FM broadcast. I have no problem with either one. On the
other hand I would worry about AM broadcast.
    Bill Wall KC4UZ
----- Original Message -----
From: "Chuck Counselman" <ccc@space.mit.edu>
To: <towertalk@contesting.com>
Sent: Friday, October 18, 2002 8:58 AM
Subject: Re: [Towertalk] Moving To New QTH


> At 7:59 PM -0500 10/17/02, N4OX@webtv.net wrote:
> >Has anyone on the list lived near, very near a 100,000 watt FM broadcast
> >station tower?...  I would like to talk to anyone who has had a ham
> >station located "close" to a tower like this to find out if there
> >were any RF problems.
>
> Interesting question, and I look forward to reading the other
> responses.  I expect that the answer depends strongly on whether your
> hamming is on HF or on VHF.  I live about 1 km away from the site of
> an FM broadcast station (power unknown) and a 5-kW, three-tower, AM
> broadcast station.  Another, 50-kW, AM station is about 3 km away.
> (I just queried the FCC database and found the AM station's license
> data but not the FM station's data.  I wonder whether the FM
> operation is defunct.)  IIRC, a calibrated broadband field-strength
> measurement in my driveway showed 0.25 volts per meter.  When I first
> moved here, you could hear both AM stations on all of the telephones,
> and the 80-m ham band was full of strong intermod products involving
> not only these two but many other AM stations.  A couple of years
> and >$1k worth of ferrite and brute-force LC filters later, all was
> quiet; but it was a lot of work tracking down and then fixing all the
> non-ohmic (i.e., nonlinear I-vs.V) connections in the house.  I will
> say that it was interesting and educational.  You would not believe
> how many unintended RF mixers are in an ordinary house.
>
> I am strictly an HF operator, and I have never detected the slightest
> problem from the FM transmitter.  I have no idea what an FM receiver
> here would hear.
>
> 73 de Chuck, W1HIS
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