[TenTec] Good Surge Supressor

Robert & Linda McGraw K4TAX RMcGraw at Blomand.Net
Wed Aug 24 07:13:19 EDT 2005

I do hope that you have bonded all of your driven grounds on your property 
together.  If not you are asking for problems with near-by lightning strikes 
with a step voltage developed between two or more different grounds.

Bob, K4TAX

----- Original Message ----- 
From: "Martin AA6E" <martin.ewing at gmail.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Tuesday, August 23, 2005 1:32 PM
Subject: Re: [TenTec] Good Surge Supressor

>I recently installed a single-point ground system, for lightning and
> surge protection.  I used the Polyphaser PLDO box for the AC line,
> which is very well built, but not cheap - $170.  It protects the whole
> station, including computers, and that makes the cost easier to
> justify.  In my view, you need a good low-Z ground system, including
> protection for phone lines, antennas, rotators, etc.  A surge arrestor
> referred to the green wire will add some protection against AC line
> events, but not against many other threats.
> Info on the PLDO-120US15A:
> http://blog.aa6e.net/2005/03/polyphaser-pldo.html
> Info on the SPG at this QTH:
> http://blog.aa6e.net/2005/03/in-shack-ground-system.html
> 73 Martin AA6E
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