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Re: [TowerTalk] ground rods and angle...

To: towertalk@contesting.com
Subject: Re: [TowerTalk] ground rods and angle...
From: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Date: Wed, 20 Jan 2016 06:53:37 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I have trouble understanding Bentonite needing to be "recharged" I believe it's a form of clay that is relatively conductive?. Isn't Bentonite also the material where you drill holes in concrete, pour in dry Bentonite, add water and it slowly expands to break the concrete?

73

Roger (K8RI)


On 1/19/2016 Tuesday 12:42 PM, Jim Brown wrote:
On Tue,1/19/2016 7:10 AM, Chris wrote:
Backfill with bentonite or similar conductive earth material. I know a local installer who puts up broadcast towers who did this and created a ridiculously low resistance ground network on a rock mountaintop.

Yes, but -- it's my understanding that bentonite and similar materials must be recharged periodically to be effective.

73, Jim K9YC
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73

Roger (K8RI)


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