[TowerTalk] C31XR

Richard Thorne rmthorne at att.net
Mon Jul 9 05:55:00 PDT 2012


Bill,

I put up a C31XR (that I purchased new from F12 in November) in March.  
I built it per specs and my swr is flat from band edge to band edge on 
10, 15 and 20.  I just measured the swr and the highest swr is 1.5 to 1 
at 21.450.

I would call Mark at F12 I'm sure he'll be glad to give you the 
dimensions and turns.

I sure would like to get two more C31's. The one I have is at 78', I'd 
like another at 40' and another at 40' on a different tower, I think 
that would make a great setup for domestic contesting.

Rich - N5ZC


On 7/8/2012 9:04 PM, Cqtestk4xs at aol.com wrote:
> I picked up a really nice used C31XR a few months ago and finally  started
> to put it together.  I seem to have misplaced the 20 meter  hairpin.  I have
> gone through the manual to find the dimensions...how many  turns, diameter
> etc., but nothing in the manual about it.  I assume it was  rolled with #14
> wire
>   
> Anybody out there have the dimensions?  Also anybody have SWR  numbers for
> the single feed system?
>   
> Thanks for the help.
>   
> Bill K4XS/KH7XS
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