[TowerTalk] Invisible Fence

[Dan Quigley]

I've had an "Invisible Fence" system in place for over 4 years without
any RFI problems (either RX or TX).  I *have* had problems with ColorTV
horiz circuits.... Our dog's ("Q") kennel was in the next room adjacent
to where we had a Sony 35". The first time we turned on the set AND had
the dog in the kennel was a real hoot. Took over a week to get "Q" back
into the kennel.

73's 
Dan (N7HQ)

-----Original Message-----
From: Gary Schwartz [mailto:garyk9gs@solaria.sol.net]
Sent: Tuesday, October 20, 1998 9:14 PM
To: Fred Hopengarten
Cc: towertalk@contesting.com
Subject: Re: [TowerTalk] Invisible Fence



On Tue, 20 Oct 1998, Fred Hopengarten wrote:

> 
> My backdoor neighbor just installed an "Invisible Fence" (tm)  to
contain
> his dog. Does anyone know what frequency this RF system uses?  Power
> output? Does it interfere with ham radio?  Will I interfere with it?
(My
> buried radials are within inches of the buried "antenna" creating the
> perimeter.)

If it is the original Invisible Fence, they operate at either of two
frequencies, 7.5 kHz or 10.7 kHz. The modulation is at 30 hZ.

A contact name that I have at the factory is Jennifer Walsh and her
e-mail
address is: jwalsh@invisiblefence.net

Jennifer did mention to me in an inquiry that I had, "There is a slight
possiblity of your radio operations
and the Invisible Fencing system reacting to each other  --  especially
if
you are sending code transmission.  We stand behind our product with
money-back and containment guarantees.  Your local Dealer can explain
these
programs."

I have been thinking of installing one of these myself and am very
curious
what you find out Fred.




73,
Gary K9GS 
   __________________
  /       K9GS       |______________________________
 /   FP/K9GS, TO5M   |Society of Midwest Contesters
|____________________
(                    |   garyk9gs@solaria.sol.net   |
/
 \   Gary Schwartz   |   K9GS@WA9KEC.WI.USA.NOAM    | Greater Milwaukee/
  \__________________|                              |  DX Association (
                   (________________________________|       GMDXA      \
                              KNOW CODE !
(_____________________\




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