[Elecraft] K3/KPA500/KAT500 SWR Problem

[Cady, Fred]

With the 15-pin network (I like it!), the KAT500 knows the band and selects the last used antenna and L-C for that band.  It doesn't know the frequency until you transmit when it can select the ant and L-C from the segment memory (which could be different than the last used on the band, if you were on the bottom of the band and come back on and transmit on the top of the band).

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Fred Jensen
Sent: Monday, December 30, 2013 3:58 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3/KPA500/KAT500 SWR Problem

My K-line is all connected via the "Elecraft 15-pin Network."  If I remember correctly, it's:

computer-->P3-->K3-->KAT500-->KPA500

or something like that.  I was under the impression that the KAT500 already knows what frequency I'm about to transmit on and is ready for me, even before it senses RF?

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

On 12/30/2013 1:45 PM, Cady, Fred wrote:
> Hi Fred et al, I think CW operators have not had the same level of 
> problems as SSB operators, unless they are using high speed CW.  The 
> tuner seems to get all the information it needs in about a dits worth 
> of RF.  But I think it has to be pretty constant RF and the varying 
> SSB waveform may be causing the problem. I think training (using a 
> steady CW carrier) and then operating in MAN mode is the key, given 
> there aren't other things going on such as RF that others have 
> suggested.

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