[TowerTalk] C31 - 1 feed line or 3

[Keith Dutson]

What changes the resonance at the shack?

73, Keith NM5G

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Don Havlicek
Sent: Thursday, August 31, 2006 10:24 PM
To: N2TK, Tony
Cc: 'Ron Feutz'; towertalk at contesting.com
Subject: Re: [TowerTalk] C31 - 1 feed line or 3

Where did you make those measurements?

If at the shack end of the coax, they are quite meaningless as to antenna
resonance.

The only way to get the correct measurements is AT THE ANTENNA.

Sorry, but too many guys/gals put their SWR meters at the shack end of the
coax and try to determine what the ANTENNA looks like from there.

It just doesn't work that way.

Don
N8DE

N2TK, Tony wrote:
> Ron,
> Mine resonates at
> 
> 28.64 - 1.1:1
> 21.22 - 1.25:1
> 14.1 - 1.2:1
> 
> Single feed.
> 
> N2TK, Tony
> 
> 
> -----Original Message-----
> From: towertalk-bounces at contesting.com 
> [mailto:towertalk-bounces at contesting.com]On Behalf Of Ron Feutz
> Sent: Friday, September 01, 2006 10:02 AM
> To: towertalk at contesting.com
> Subject: [TowerTalk] C31 - 1 feed line or 3
> 
> TT'ers,
> 
> I just ordered an F12 C31XR.  I have been told by experienced users 
> that the beam can be a pain to tune properly on 15 (high swr).
> 
> I ordered the beam with single feed.  Since then I have heard that the 
> problem is less severe with the 3 feedline model.
> 
> All inputs from experienced users will be welcomed.
> 
> Thanks and 73,
> 
> Ron KK9K
> 
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