[TowerTalk] COUNTERPOISE for Dipoles

[n4kg@juno.com]

On Thu, 10 Aug 2000 "Tom Rauch" <w8ji@contesting.com> writes:

> The loss will depend on how well your soil behaves when excited 
> by a strong electric field, and how strong that electric field is.
> 
> Here, even with a dipole at 40 feet on 80 meters, there is a lot of 
> signal to be gained with a counterpoise.
> 
> 73, Tom W8JI
> w8ji@contesting.com

I have often wondered about what would be the optimum counterpoise
(most improvement for least wire) for dipoles.  I'm thinking of several
wires parallel to the dipole laid on the ground under the dipole. Where
is the point of diminishing returns for number and spacing of wires?
Would parallel wires be more efficinet than a radial system centered
under the center of the dipole?  How long should the wires be for 80M?
Is a counterpoise worthwhile for dipoles at 1/2 WL high or higher?

Tom  N4KG





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