1) move then ends of the top loading wires further out (flatter)
2) use a 4:1 auto-transformer at the feed point - your antenna
analyzer says the real impedance is about 15 Ohms. A 4:1
auto-transformer will get the SWR down to about 1.2:1.
73,
... Joe, W4TV
On 2018-09-18 4:44 PM, Ashraf Chaabane wrote:
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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