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[TenTec] Fence Charger Pulses

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Subject: [TenTec] Fence Charger Pulses
From: w5yr@att.net (George, W5YR)
Date: Mon, 30 Oct 2000 23:43:24 -0600
I will never forget as a small child in the 30's when my Dad put an
electric fence around a small pasture to contain a couple of horses. My
little dog sniffed around the new wires and then hoisted his rear leg to
demonstrate his opinion of the new technology.

Last time he did that . . .

72/73, George   W5YR - the Yellow Rose of Texas      NETXQRP 6         
Fairview, TX   30 mi NE Dallas in Collin county      QRP-L 1373
Amateur Radio W5YR, in the 55th year and it just keeps getting better!
Icom IC-756 PRO #02121 (9/00) Kachina #91900556 (12/99) IC-765 (6/90)


"Carl R. Gansen" wrote:
> 
> As another farm kid, I have to agree with Walt's earlier assertion.
> My experience with electric fencers is that when the fence is in good
> condition they are very quiet.  We always have had the "weed burner"
> variety (that's not a 60's pot reference either!).  This simply means
> they have a more ambitious current rating on their High Voltage pulse
> transformer and to some extent could burn weed tips away as weeds grew
> closer. It is pulsed for cutting duty cycle and enabling you to let
> go should you touch it.
> 
> The unit is grounded on one side of the pulse transformer and the
> side goes to the fence.  At anytime, anywhere along the fence
> you have the opportunity to close the circuit by standing on the
> ground and touching the wire.  It takes little current to feel a
> jolt.  VERY LITTLE CURRENT flows under normal conditions and a lot
> of connections can get quite poor with little loss because of the
> low current.  If you are hearing the fence then there is a path to
> ground some place.  It may be a bad insulator, weed, tree branch, or
> every now and then a rather dead bird that sat on the wire and
> scratched its head against the steel post.  If you are alert and
> walk the fence you will eventually find the conductive path and
> once cleared the interference is gone.  Take it from somebody who
> has walked many fence miles.
> 
> Carl R. Gansen  WB0CFF
> 9300 W 225 St
> Belle Plaine, Mn. 56011-4206

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