|To:||"Darrel J. Van Buer" <email@example.com>, firstname.lastname@example.org|
|Subject:||Re: [TowerTalk] Force 12|
|From:||Pete Smith <email@example.com>|
|Date:||Wed, 10 Nov 2004 06:59:06 -0500|
I have had two C-3E's for 7-10 years, and have never noticed excessive SWR
change with frequency, or SWR fluctuations with wind of more than .1 or
so. The antennas are within the SWR spec all the way across the band, with
a nice double dip curve reflecting the presence of two 10M radiators.|
There have been lots of reports of single feed problems with the C-31XR (and lots of people who are quite happy with the single feed) but the idea of needing to feed a C-3 with 3 separate feedlines strikes me as pretty extraordinary.
73, Pete N4ZR
t 10:39 PM 11/9/2004, Darrel J. Van Buer wrote:
I had a lot of trouble tuning 10m once with a C4XL (and changing element length was really bizarre - small changes act as expected, but at some point there would be a big jump to a wildly different resonance), they after taking it down to replace cable on crankup tower it was fine. I THINK the problem is that the drive cell is really sensitive to spacing and parallelism between the elements. If so, then it means loosening the U-bolts and shifting element position.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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