[TowerTalk] Electronic Dog Containment Fence Noisy?

David Robbins K1TTT k1ttt at arrl.net
Fri Jul 11 12:53:37 EDT 2008

The manual control training collar I have, which is similar to the perimeter
fence ones.  Its triggered from a handheld unit that's on 11m, one of the rc
frequencies and uses similar pulse width and frequency coding from the
sounds of it.  so if the fence ones are similar it should take not only the
right frequency but also the proper tone/pulse combination to trigger the
collar... and unless you work 11m then it shouldn't be a problem unless
there is something wrong with it.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Les Kalmus
> Sent: Friday, July 11, 2008 19:36
> Cc: towertalk
> Subject: Re: [TowerTalk] Electronic Dog Containment Fence Noisy?
> I have had one of these systems made by DogWatch in operation for 3 years.
> It is 2-3 thousand feet in circumference and runs about 75-100 feet away
> from the tower which is outside the circle.
> All of these units can be adjusted to increase/decrease their signal
> strength which determines how close the animal can get to the wire
> before getting zapped.
> All my antennas except the inverted L on 160 are clustered at or near
> the tower with no noise as far as I can tell with the signal keeping the
> dog about 20-25 feet from the wire.
> This is a _Very Strong_ signal which I have since reduced to give her
> more room to roam.
> I often run the legal limit in contests or DXing and have had no reports
> of unexpected "corrections" from my dog : )
> However, I have been with my dog when she was sniffing around near an
> exposed CATV hardline where it emerged from the ground before being run
> into the house.
> On two occasions she got zapped so whatever radiation is on the shield
> triggered the dog's unit. She was 2-3 feet from the hardline both times.
> The hardline has been completely buried since, so this should not reoccur.
> Les W2LK
> Kenneth D. Grimm, K4XL wrote:
> > 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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