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Re: [TowerTalk] Electronic Dog Containment Fence Noisy? NOT

To: N7mal <>
Subject: Re: [TowerTalk] Electronic Dog Containment Fence Noisy? NOT
From: Alan Braun <>
Date: Thu, 10 Jul 2008 23:21:36 -0500
List-post: <">>
It depends on what frequency it uses. Most of them consist of a wire 
buried an inch or 2 below ground, connected to a very low power xmtr on 
500 KHz. Usually the dog collars can't pick them up more than a few feet 
away. The idea is to run it on power just strong enough for the collar 
to pick it up a couple of feet away from the wire. The collar has 
electrodes that make contact with the dog's neck and give it a 
high-voltage very low current capacitance shock if it gets within the 
radio field of the wire.

I have one of these systems myself and have had for probably 15 years at 
2 different QTH's. At my current QTH with the fence wire less than 10 
feet from the bottom of the crank-up tower and the tower lowered, I can 
just barely tell that there's a carrier there on 500 KHz. I've never had 
any QRM problems. I don't think you have anything to worry about, at 
least not with a properly installed and maintained system operating at 
that frequency. If it's a do-it-yourself and/or on a different 
frequency, I won't vouch for it.

Alan Braun NS0B

N7mal wrote:
> Ken contact the world famous W6OBB. He is going through it right now and 
> I've heard him commenting about it on the air. I can't help you with details 
> because it would be second hand.
> 73
> Everyone in the world is
> entitled to be burdened
> by my opinion
> ----- Original Message ----- 
> From: Kenneth D. Grimm, K4XL
> To: towertalk
> Sent: Friday, July 11, 2008 3:14
> Subject: [TowerTalk] Electronic Dog Containment Fence Noisy?
> My neighbor, across the road, is thinking of installing an electronic
> dog containment fence.  He, very kindly, asked if it would interfere
> with my radio activity.   Unfortunately, I don't have a clue!  Have any
> of you had experience with these things?  Do they cause interference?
> I'm sure they aren't supposed to or allowed to by the FCC.  However,
> between the electric fences in the area, arcing insulators, etc., I
> really don't want another noise maker added to the mix.
> 73,
> Ken - K4XL


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