[Antennas] Guy Wires

[fkamp@attbi.com]

James,

You pose a very interesting question.  33 feet is a quarter
wavelength at 40meters, and a half wavelength at 20 meters. 
I would not consider that a good length for guy wire at all.

About ten years ago I solved the 'guy wire length' problem
by buying Phyllistran.  It does not need to be broken up
with insulators because it is non-conductive.  Being made of
kevlar fiber, it also will not rust or corrode and is very
strong.  It is also expensive.

However, expense is relative.  In my application, to keep
from introducing unwanted resonances, my insulators needed
to be placed every five to six feet.  The cost of that was
more than two sets of Phyllistran guys.

Good Luck
Frank Kamp


James E Boyd wrote:
> 
> Dear Group,
> With all the wind that we have been having here in Illinois, I've decided
> to put a set of guy wires on my tower.  Its only 40 ft high, and I have
> two beams on top.  I work 10 through 40 meters.  Here is my question?
> Using only one set of guy wires, what would be the proper spacing of the
> insolators?  I was told that ARRL has a guide that deals with this
> subject, but I can't find it.  A fellow ham told me that just so the
> insolators are not at the 33 ft mark.
> 
> 73
> Jim
> kb9vtm
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