[Elecraft] KAT3 and Six Meters ...

Wayne Burdick n6kr at elecraft.com
Sun May 29 21:33:35 EDT 2011


I just tested this on my K3.

When I have the ATU in on 6 meters, tapping ATU TUNE tunes the  
antenna, and 1.0-1 is displayed at the end.

I can also set LC SET mode, exit the menu, and tap ATU TUNE, which  
shows L and C. I can then adjust L and C using VFO A and B. After an  
adjustment, TUNE shows the effect of L/C changes on SWR as expected.

Don't forget that ATU in/out is stored per-antenna, so you can have it  
engaged for one antenna but bypassed for the other. There may have  
been a bug in this prior to revision 4.33 -- I have to check my notes  
on that.

Are you doing it differently from the above?

73,
Wayne
N6KR



On May 29, 2011, at 4:57 PM, Jim Sheldon wrote:

> I did forget to mention that I have done the dummy load test and the  
> problem persists, at least on 6 and 160  meters on the dummy.  I  
> haven't had time to rigorously test the other bands, but I do  
> suspect there's an anomaly in the tuning algorithm that allows this  
> to crop up.  I had mentioned the 160 meter problem a while back in a  
> post to the reflector, but never got a response.  It was just before  
> Dayton and I expect it probably got lost in the shuffle as they were  
> getting ready for the show.
>
> Jim - W0EB
>
>> Hi Jim,
>> Thanks for your input on the subject. Maybe the technical folks at
>> Elecraft
>> can determine a fix for this problem. Hope that the 'Magic Band' is
>> as good as
>> last year.
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