On 26 Sep 01, at 20:12, Eric Scace wrote:
>
> I have been told that another consideration for "shallow" grounds
> is freezing. Ground rods extending below the frost level will
> work better when the top layers of soil are frozen than rods which
> remain in contact only with frozen soil. However I have not seen any
> definitive studies of effectiveness of grounding systems when soil is
> frozen.
>
> It is a fact that thunderstorms can occur at times of the year when
> the ground is frozen.
>
> -- Eric K3NA
>
And don't forget drought. If there is a period of drought, the top few
feet of soil will dry out, and become less conductive, a LOT quicker
than soil 6-8 ft down.
Barry
--
Barry Kutner, W2UP Internet: w2up@mindspring.com
Newtown, PA Frankford Radio Club
List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems,
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