Dennis,
A few questions:
1. How much are you trimming/extending the vertical section?
2. Is your SWR meter designed to work with 75 ohm cable or 50 ohm cable?
Changing the number of radials should have made a measurable difference
but it might not have been that much.
Chris
n4vi/0
DENNIS BRICKEY wrote:
> I realize this is not a tower question, but the antenna gurus hang out here.Â
> Hopefully some bandwidth can be tollerated for an antenna question.
>
> IÂ am working on a 160 meter inverted L and having some difficulty getting
> the match correct. I'd appreciate any input.
>
> 175' total wire length.....100' vertical 75' sloping horizontal
>
> 23 (qty) 130' radials.
>
> Fed with 75 ohm cable hardline through a variable capacitor.
>
> I've trimmed and extended the vertical section and adjusted the cap with each
> length change. The low swr point is always 2.8:1. Essentially the only
> thing changing is how
>
> much the capacitor meshes.Â
>
> I started with 16 radials and thought adding more would help the match, but
> it has not changed.
>
> Any Ideas?
>
> All advice appreciated.
>
> Thanks,
>
> Dennis N4DD
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