
September 6th 07, 01:51 AM
posted to rec.radio.amateur.antenna
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external usenet poster
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First recorded activity by RadioBanter: Sep 2006
Posts: 236
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Results: Carolina Windom
I think I see the problem, you were using metric % instead of American %.
(wink)
Ed, NM2K
"Rick (W-A-one-R-K-T)" wrote in message
news 
I thought I'd post the results of my recent little project to put up a
Carolina Windom for 80/40/20.
Didn't work very well. :-(
At least, not yet. ;-)
I cut it for 3.6 MHz, and according to everything I read that should give
decent performance on or about 7.2, 14.4, and 28.8 MHz.
Instead, I got 3.6 MHz (as expected), then I got about 6.6 and about 14.9.
I followed the instructions I found in one website article that said to
cut the legs for 37.8 percent and 62.2 percent.
Other articles I've read say to cut for 1/3 and 2/3 of a half wavelength,
i.e. feed the antenna 1/3 of the way from one end.
Since I'm a high precision sort of a dude ;-), I figured 37.8 and 62.2
were more precise than 1/3 and 2/3, so I tried them.
Like I said ... works well on 3.6 (and most of the rest of the 80 meter
band) but not anywhere else.
It is built with a W2AU balun (4:1), 22 feet of RG-8X, an MFJ "line
isolator" (1:1 current-type unun), then about 25 feet of RG-8X to the
shack.
I guess I'll have to go back up there next nice day and try the 1/3 2/3
way.
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