[Elecraft] KXAT1 with dipole

[Dan Presley]

At 7:27 PM -0600 8/23/06, Karl Larsen wrote:
>  Now either of these should be possible for your tuner to tune. Your 
>right the impedance changes between these values and if your very 
>careful you can get close to 50 +j0. But why?


Well, I think you answered my question.Changing the feedline length 
changed the impedance to a value the tuner could handle, which was 
the original issue.Remember that this is a coax fed antenna, not 
ladder line (which I have at my home QTH). I know that swr is very 
high and not an issue with ladder line; that's what I use at home.The 
tuner is simply a device to allow maximum transfer of power from the 
transmitter to the feedline.
At 9:42 PM -0400 8/23/06, Don Wilhelm wrote:
>I believe two points need to be made about this:
>First, if the SWR on the feedline was 1:1, changing the length of the
>feedline would have no effect.  The conclusion is that the original SWR had
>to have been something other than 1:1.
Don- I think you may have missed my original post, where the issue 
was a high swr when trying to use the tuner on my coax fed dipole. 
Adding a few feet of RG 174 allowed the tuner to find a match.Neither 
the tuner nor added feedline changes the true state of the antenna, 
but only provides the best match between rig and feedline.
-- 
Dan Presley-N7CQR-Portland, Or QRP-L #502 ARS #71
n7cqr at arrl.net