[Elecraft] KAT500 Anomalies

[Brian Hunt]

If you have listened to the VARA signal, you know it consists of a series of tone frequencies sent in sequence. That could very well be driving the KAT500 nuts in AUTO mode. Training and then MANUAL is the solution. GL!

73, Brian, K0DTJ

> On Nov 23, 2020, at 12:53, Lyn Norstad <Lyn at lnainc.com> wrote:
> 
> Today, running 50 watts in Winlink VARA HF mode, it had problems staying
> matched on 80 meters.  It would try to rematch on each transmit cycle.
> 
> 
> 
> As a result, the cycles were incomplete and data transfer was erratic.
> 
> 
> 
> My question is, how many memory settings can it hold in memory, per band?
> My antenna is fed with ladder line (yes, I have a balun, etc and it's been
> fine for well over a year).  It's possible that the system will tune
> slightly different now and then due to the ladderline blowing around (in
> contact with tree leaves, let's say).  Am I using up so many memory slots
> after this time that it is running out of space?
> 
> 
> 
> Thinking that might be a possibility, I reloaded a config from about 6
> months back which would not have seen as many frequencies used.  I have also
> experimented with the MTA commands.  At this point, it seems stable.
> 
> 
> 
> I've always been a bit confused by the "Teach it in Auto Mode, but Operate
> in Manual Mode" suggestion I've heard from time to time.  As received, the
> "Memory Recall Tune on QSY" defaults to ON for both modes.
> 
> 
> 
> I'd appreciate any insight from KAT users.
> 
> 
> 
> 73
> 
> Lyn, W0LEN
> 
> 
> 
> 
> 
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