[Elecraft] K1-4 with KAT1 giving PLO errors

Mon Jun 10 23:07:06 2002

I have had this trouble to a slight degree.  Note that the KAT1 has a limited 
range of reactances/impedances it can handle!  Much greater range than the
typical "built-ins" on the rice boxes, but not as wide a range as the 
typical "matchbox" or "transmatch" external tuner.  I have had very
few REASONABLE mismatches it can't take care of, save trying to load
a 10-12' whip on 40 meters, etc. or something equally absurd.
(It will do a 12' whip nicely IF you have a bit of base loading
included!)
I will be curious to know what Gary and Wayne come up with as to
the improved algorithm.

73,
Sandy W5TVW

----- Original Message ----- 
From: "Dave Hottell" <[email protected]>
To: "Ken Newman" <[email protected]>; "List Elecraft" <[email protected]>
Sent: Monday, June 10, 2002 9:51 PM
Subject: Re: [Elecraft] K1-4 with KAT1 giving PLO errors

| Hi Ken,
| 
| Unfortunately this is a known problem with the KAT1.  I have had
| correspondance with Gary and Wayne on this problem and Wayne has indicated
| that he will be working on revising the algorithm for tuning, but no time
| table has been set that I know of.
| 
| So in the meantime carry some extra feedline so you can add or remove a
| little - which will usually get it to work - or carry a ZM-2 or something
| else that has a wider range than the KAT1.
| 
| 73 es gl,
| Dave
| AB9CA
| 
| 
| 
| At 08:20 PM 6/10/02 -0400, Ken Newman wrote:
| >A moderate SWR on 15 and a little higher SWR 20 meters show a lot of PLO
| >errors when tuning.  15M gives that error if as low as 1.8:1.  This doesn't
| >have that
| >much on 40 or 30.  Anybody having this problem?  Looks like I'm going to
| >carry a tuner to load an less than perfect antler.
| >
| >Ken Newman - N2CQ
| >Woodbury, NJ 08096
| >[email protected]
| >
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