[Antennas] ground mounted vertical radials question
Danny Richardson
k6mhe at k6mhe.com
Sat Nov 11 08:57:33 EST 2006
At 09:37 PM 11/10/2006, you wrote:
>Hello to all. Will be installing a Hustler 5BTV vertical on the ground, up
>in the country where there is no problem with people tripping over radials.
>The radials will NOT be buried. They will be placed upon the ground. Been
>reading my reference material on radials, but would like to hear from
>operators that have been there/done that. The lowest band will be 80 meters
>and the highest 10 meters. Hustler recommends at least two radials per
>band. Then, been reading W2FMI's book about short verticals. Think he was
>happy with about 40 radials. Am I on the right track, the more radials, the
>better, up to a certain point? The soil there is very dry unless it has
>been raining. As soon as the sun comes out, there goes the moisture content
>of the soil. So, would it be better to spread, say 40 radials at 1/8
>wavelength, or maybe 20 at 1/4 wavelength? Would you spread some for just
>80, or do a combination of the different bands? If this was salt water, bet
>you could throw a coat hanger in there, but it is not. Any good ideas? I
>am leaning towards less radials and longer radials, but experience is the
>best teacher. Thank you for your comments/recommendations, Dave, NC6P.
David,
It really comes down to how much time and expense do you wish to invest?
For most of us it is a balance between performance vs expense. With that in
mind I suggest you try and get a copy of Bob Sommers's August 2003 QST
article "Optimum Radial Ground Systems".
If you can't locate a copy let me know and I'll be glad to help you out.
73,
Danny, K6MHE
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