Who was watching to see that the cows that survived were indeed standing
broadside to the tree. They would have certainly moved before anyone would
have seen anything. Sounds like a possibility but likely with little
evidence other than the dead ones would probably not have gone far, hi.
73, de Jim KG0KP
----- Original Message -----
From: "Roger D. Johnson" <email@example.com>
To: "Rob Atkinson, K5UJ" <firstname.lastname@example.org>
Sent: Friday, March 14, 2003 4:20 PM
Subject: Re: [TowerTalk] Shack ground disconnect?
> I remember hearing a story about some cows sheltering under
> a tree during a thunderstorm. Lightning struck the tree and
> the cows facing towards or away from the tree were electrocuted
> while those broadside to the tree were not. The explanation was
> that, as the charge dissipated through the ground, the cows
> facing toward or away from the tree had their front and rear
> hooves on ground of much different potentials. Those broadside
> has much less difference between left and right side hooves.
> I would think that a wire connected to a ground rod under these
> conditions would behave much the same. If the equipment in the
> shack had no other current path, nothing would happen as they
> would all rise to the same potential simultaneously. However,
> if there was another path to ground, it could have a vastly
> different potential and sparks would fly.
> Ask me sometime about the Great Lightning Disaster at the LORAN
> station I commanded. It was caused by the Coast Guard insistance
> on separate ground systems for the transmitter and timing equipment.
> 73, Roger
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
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