[TowerTalk] FORCE-12 C-49 STACK ISSUE
W0MU Mike Fatchett
w0mu at w0mu.com
Wed Apr 11 09:11:03 PDT 2012
I assume that he has taken the feedline out of the stackmatch and tried
directly into the rig bypassing any and everything along the way? Maybe
that is not possible.
Other then the element falling off which you would see it is hard for me
to see how the issue could be at the antenna.
Mike W0MU
W0MU-1 CC Cluster w0mu.net
On 4/11/2012 7:02 AM, k6ye at q.com wrote:
> To All,
>
> One of my good friends, N4BNM, has encountered a problem in the top C-49R. He has a stack of three: one at 55', one at 95', and the final one at 145'. All are fed through StackMatch. Each antenna is fed with a single coax jumper.
>
> On the top antenna (145'), the SWR is infinity on 15 meters only. The SWR on 20 and ten are fine. (Note well that this antenna has performed fine for several years). Since 15 meters is fed parasitically, it is my opinion that the problem exists on that particular driver. Before that antenna is brought down, are there any thoughts as to any other items that need investigation?
>
> Thanks, in advance, for your assistance.
>
> Semper Fi,
>
> Tommy - K6YE
> DX IS and CW RULES
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