If you look on my bio on qrz there is a piccy of my helically wound vertical i went for first, 45 feet high it was too.
Replaced it with the 23 meter high inverted L now fed with a MFJ 998 autotuner at the bottom used for 160-20
The antenna section here must have a thread about it too here.
;)
Do use 1/2 wavelength wire to wind the helical, start with more space at the bottom between the windings and less space on the top.
You will get the max current as high in the air then, use a good ground system too, i have 3000 feet of copper wire in/on the ground here.
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