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Re: [TenTec] RF Ground

To: tentec@contesting.com
Subject: Re: [TenTec] RF Ground
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Reply-to: geraldj@storm.weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 05 Apr 2009 21:29:09 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
On Sun, 2009-04-05 at 22:14 -0500, Bob McGraw - K4TAX wrote:
> Everything inside the house should reference the ground and neutral at the 
> service entrance or breaker panel.  Since there is supposed to be a driven 
> ground at the service entrance, I could care less about the fire hydrant or 
> well casing.  Water lines are no longer accepted as a suitable ground for 
> anything.  And if your well casing is plastic, as many are today, it is 
> non-conductive.
> However, more important, all driven grounds on a property served by a single 
> service entrance, must be bonded back to that service entrance ground. 
> There's no exceptions to this rule.  Failure to initiate this procedure 
> produces a highly dangerous condition.
> As to having a RF ground,  a ground radial system below your antenna is the 
> reference point for that antenna.  Several antennas can share the same 
> radial system.  Also that radial system must be bonded back to the service 
> entrance ground.
> 73
> Bob, K4TAX
If you really want lightning and RF grounding, those ground sources need
to be connected together with wide  copper strap. 18" is a nice width.
Otherwise the inductance is too much to be totally effective.

73, Jerry, K0CQ

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