[RFI] Comparing Lightning Arrestors?

dalej dj2001x at comcast.net
Wed May 18 01:05:55 PDT 2011



Nice installation Roger.  Thanks for the article and pictures.  Mine is not as elaborate, but I do have three ground rods all tied together at the base of the tower and one at the shack entrance about 30 feet from the tower.  The station ground is tied into the cold water copper pipes which is tied to another ground on the other side of the house at the service entrance and it is tied in to the street side of the water meter too.  The entire ground system here is all tied in to the tower grounds with heavy solid copper buried wire. We don't get the lightning storms here like say in Tucson Az or Florida, but we do get some.  Sometimes rather intense..

I was gonna say that (I have not had any lightning damage here in 38 years), but I'll just say I've been lucky so far.

73
Dale







>  
> I hope when you disconnect things inside you ground things outside.
> A floating antenna or antennas make a tempting target for lightning and 
> from there it's a short jump to the house.
> With the ground system here, I rarely disconnect anything and have had 
> no damage from numerous strikes to the tower.  That's not to say I feel 
> immune with this system as I don't, but if I disconnect anything it gets 
> grounded.
> 
> 4th photo down on http://www.rogerhalstead.com/ham_files/cablebox.htm 
> shows the initial entrance box.  It's been replaced with a larger box, 
> more cables,  more polyphasers and more grounds.  The bare #2 copper 
> ground line on the far right caries through to the equipment inside the 
> house.
> 
> 73
> 
> Roger (K8RI)
> 
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