[Elecraft] Using fldigi with KX3 and KXPA100

[John Pitz]

OK, thanks to a couple of off list email exchanges between an Elecrafter
and another person I found the solution.  In my defense it was not
ENTIRELY operator error.  First, the KX3's default baud rate is 4800.
The KXPA100's default baud is 38400.  fldigi, and in fact wsjtx probably
should have their baud rates set to that value.  secondly, the postwrite
delay in fldigi was set to 5mS.  That value should be increased.  I set
it to 25mS.  It is all working great now.

Thank you to the two people who pointed me in the right direction and 73
to all!

John Pitz
KD8CIV


On Tue, 2015-10-13 at 11:18 -0400, John Pitz wrote:

> I have a KX3 and a KXPA100,  When I have the two connected as per the
> manual with the KXPA100 off, fldigi can connect to the KX3.  As soon as
> I turn on the KXPA100 fldigi can no longer communicate with the KX3.
> How do I get fldigi to communicate to the KX3 with the KXPA100 powered
> up?  It seems that this should be a lot easier than what I am making it.
> 
> My setup is:
> A laptop running Linux mint
> KX3 
> KXPA100
> fldigi v3.23.03 using Hamlib
> 
> I can connect without any trouble with both the KX3 utility and the
> KXPA100 utility.  I was under the impression that both units used
> different command sets and that the KXPA100 would forward anything it
> does not recognize on to the KX3.  
> 
> Incidentally, I did try powering on the amp, then connecting with the
> KX3 utility, then closing the KX3 utility and launching fldigi.  
> 
> It would be really helpful for my education on the digital modes to be
> able to see the frequency I am using on the waterfall display.
> 
> John Pitz
> KD8CIV
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