Re: [TCML] Counterpoise Insulation from Ground

[Gary Lau <glau1024@xxxxxxxxx>]

Hmmm.  RF grounding is one of those things that I don't have a firm grip on
in my mind, but if I might think out loud...

Intuitively it seems like a good ohmic connection to the Earth is important
and would indicate the relative quality of an RF ground system.  But
consider for a moment the use of a counterpoise, which has no ohmic
connection to Earth.  Once again, intuition suggests that a counterpoise
sitting directly upon a moist concrete floor might be a better ground than a
counterpoise two stories up in a wooden structure, but I really don't know
(nor do I know how to find out).  It could be that it doesn't really matter?

Regards, Gary Lau
MA, USA

On Fri, Nov 26, 2010 at 12:07 PM, dave pierson <dave_p@xxxxxxxxxxx> wrote:

> A different aspect, as we head into that time of year when some
> of us get Cold...
>
> If the ground around the ground FREEZES, the ground becomes less
> good:  Ice is a bad conductor.  If the ground rod goes deep
> enough, effect is minimal.  If ground around rod(s) freezes all
> the way down the 'ground' becomes isolated.  Once current is
> forced in, localized melting may ease the effect...
>
> best
> New dwp:     dave_p@xxxxxxxxxxx
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