[Elecraft] PSK31 with a KX2

[Alan Bloom]

I just tried out DigiPan with my KX2 for the first time earlier today.  
At first I thought it wasn't working because I couldn't decode any 
signals on PSK31.  Then I happened to stumble on a W1AW bulletin on 
RTTY.  Then they switched over to PSK31 and it decoded perfectly.

I guess the answer is that a lot of the signals on the air that sound 
like PSK31 are actually something else.

By the way, PSK31 is symmetrical in frequency so it doesn't matter 
whether you select LSB or USB.   That's why the Reverse function in 
DigiPan is disabled for PSK31.

When W1AW first switched from RTTY to PSK31, the KX2 was still in FSK 
mode with the narrow filter.  It decoded the PSK31 just fine. Then I 
switched to LSB and it continued to decode perfectly.

Alan N1AL


On 3/9/2021 6:11 PM, Bob Liesen wrote:
> All,
>    Pulling my hair out here.  I have been trying to get my KX2 to work on
> PSK31.  After many attempts I got it working perfectly with DigiPan, but
> I'm not sure how.   Then something happened that I have found is a problem
> for me with this radio.  I must have turned a knob, hit a key or some such
> thing as it stopped decoding.  I find the knobs and buttons are too close
> to one another for these old eyes and fingers.
>    I am using DATA A mode, I have the BW at 4kHz and center freq of 1.5  AGC
> is off, RF gain is 0dB.  NB and NR is off.  I suspected I might have
> screwed up the USB/LSB setting somehow, but HamScope has a "reverse"
> function which does not help.
>   Is there anyone who could walk me through the settings that might be
> screwing this up?
> Tnx es 73
> Bob  WB0POQ
>