[Elecraft] Re: KAT2 ALT Mode

Baker [email protected]
Tue Oct 21 03:36:01 2003


On Mon, 20 Oct 2003 09:48:34 -0700, Wayne Burdick wrote:
>Hi Stewart,
>
>"ALT" mode considers additional L and C combinations that would
>normally be too
>high or low in reactance to be of utility on a given band. This=
 is
>most likely
>to be useful with antennas which are very narrow-banded and=
 resonant
>on one ham
>band (such as loaded whips or loops), or with antennas that are
>electrically
>close to a multiple of a quarter wavelength.
>
>ALT and AUTO modes share the same fine-tuning algorithm once the=
 SWR
>is below
>1.5:1, but ALT will take considerably longer in the=
 coarse-tuning
>phase, so it
>should only be used when necessary. Of course, once you've=
 completed
>matching
>your antennas on all bands and ANT 1 and 2, you need not=
 re-tune, so
>ALT mode
>may be useful initially.
>
>73,
>Wayne
>N6KR
>
>
>Baker wrote:
>
>>I would like to know a little more about the differences=
 between
>>the
>>AUTO and ALT modes....

Thanks Wayne & Leo for your replies.

I now have a  much clearer idea of the differences between the=
 AUTO 
and ALT modes.
Your explanations tie in with what I have observed using the=
 KAT2.

73

Stewart G3RXQ
-- The Bakers' Home
-- [email protected] on 21/10/2003