[TowerTalk] Electronic Dog Containment Fence Noisy? NOT

David Gilbert xdavid at cis-broadband.com
Thu Jul 10 22:51:58 EDT 2008

I have a similar system with almost 2000 feet of wire laid out in a 
large circle and I can't tell any difference in noise level with it 
turned on or off ... and I live in a semi-rural area with a very low 
ambient noise level.

The buried fence works great, by the way ...

Dave   AB7E

Alan Braun wrote:
> 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
>> MAL
>> N7MAL
>> http://www.n7mal.com
>> 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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