Try with so called "hairpin match", actually several turns of wire bettween
feedpoint and the ground (radials). Jou can then adjust the SWR squeezing
or stretching the coil...
73, Mirko, S57AD
V V tor., 18. sep. 2018 ob 22:44 je oseba Ashraf Chaabane <
ash.kf5eyy@gmail.com> napisala:
> Hi all,
>
> I just finished setting up my vertical antenna for 160 in 3V8SF
> location. It is 17m (55 ft) long with 2 top loading wires 12m each
> (40ft), angle to vertical about 40 deg. I added 8 radials, 20m each
> (65ft).
> With no shunt matching, the SWR at antenna base is 3.2 and at radio side
> is 2.8. Is there any way I can improve the SWR further?
>
> Photos of the antenna along with SWR curve can be found here:
>
> https://drive.google.com/drive/folders/1_3FsWZI3zdi56zz0LOiKNOmfgiWeN6yG?usp=sharing
>
> 73 Ash 3V8SS/KF5EYY
> www.kf5eyy.info
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>
--
Mirko S57AD
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