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Re: [TowerTalk] Yagi lightning protection

Subject: Re: [TowerTalk] Yagi lightning protection
From: Chuck Gooden <>
Date: Wed, 24 Aug 2005 19:54:43 -0500
List-post: <>
Dave Anderson, K4SV wrote:

> I had a direct lightning hit on the tower, no damage
> in the shack due to massive grounding but it appears
> the relay contacts on the 40/30 yagi has been welded
> closed.  I can energize the coil and it draws 160 mA
> like normal but no physical movement of the armature. 
> To be sure I will check when a bucket truck becomes
> available. 
> So here's my question, Is there a way to protect the
> relay from damage when lightning hits?  I suspect
> lightning hit one side of the element and the other
> side of the element arced to the boom which is
> grounded.  The relay contacts were in the middle.

Wouldn't the cost of attempting to protect a relay be more than the
relay cost?  You're lucky it was JUST a relay!

See:  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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