I have a 230 foot diameter wire grid ground screen.
I tried building a 40 meter ground warmer dipole
about 15 feet above it. I didn't see any measurable
improvement with signals received vs a 30 ft high
inverted vee on 40 meters over bare dirt.
Rick N6RK
Nat Heatwole said:
> I've heard that it often helps the performance of slopers, "Cloud
> Warmer" dipoles, and low Yagis if one puts radials under the tower (or
> whatever they happen to be mounted on). Is this actually true, and if
> so, how much can this improve the performance of the antennas? Also, is
> there any "science" to putting down such radials, or is it basically
> just "lay them down somewhere"? And finally, should they be electrically
> connected to anything, or just physically strung around the tower?
>
> 73!
> Nat WZ3AR
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|