Re: [K2][KAT2] Is it working as well as can be expected?

Posted by Don Wilhelm-4 on Aug 22, 2011; 12:35am
URL: http://elecraft.85.s1.nabble.com/K2-KAT2-Is-it-working-as-well-as-can-be-expected-tp6708777p6709844.html

Fred,

I do not know what the algorithm is (that is a question for Wayne), but
what I do know is that in the KAT2, there are 2 levels - the normal
algorithm which is fast to find a match, and the ALT which is slower,
but will often find a match in difficult times.

73,
Don W3FPR

On 8/21/2011 7:24 PM, Fred Jensen wrote:

> I would suspect Chip has some sort of problem Don, my KAT2 has never
> failed to get a match to anything conductive :-).  Actually, it won't
> load an end-fed half-wave on 40, but does with a 1.3:1 SWR on 20.  Go
> figure.
>
> Just out of curiosity, is the KAT2 some sort of steepest descent
> algorithm? ... or maybe that's proprietary.  At any rate, both my KX1
> and KAT2 ATU's really do work.
>
> Fred K6DGW
> Auburn CA
>
> On 8/21/2011 4:06 PM, Don Wilhelm wrote:
>> Chip,
>>
>> The KAT2 and the KX1 use a similar tuning algorithm, it searches for the
>> lowest SWR - but the KX1 capacitor and inductor selections are much more
>> limited than those of the KAT2.  I am surprised that the KX1 gives you a
>> match, but the KAT2 cannot handle the same antenna.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html