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J Pole questions
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November 26th 03, 06:03 PM
Gary V. Deutschmann, Sr.
Posts: n/a
(WA8ULX) verbositized:
BTW, I have seen some plans for a Jpole identical to the one I built,
and they call for several turns of coax as a balun for the thing. I
really don't think that is needed. I measured out 1.1:1 SWR @ 50 ohms in
the middle, and good SWR across the band.
Thats not the reason for the Balun. The balun is to keep the feed line from
radiating
If the feedline is inside of the copper pipe as it should be, it can't
radiate!
TTUL
Gary
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