[Elecraft] K3 PSK31 with Digipan

[Monty Shultes]

I have not noticed this with my K3, using both a cheap SoundBlaster audio 
card and an expensive E-MU card.  My first suspicion would be something 
impeding the audio getting to the transmitter - K3 equalization, sound card 
equalization.  Are you using the line in audio source?  Check settings for 
it.  I can run PSK31 with only 2 audio cables between the sound card and 
radio line in/line out.

Monty K2DLJ

>
> Just getting my new K3 working on PSK31 and noticed that it seems to be
> important to limit the range of the transmit frequency. Using Digipan and 
> K3
> Data A mode, if I select a transmit frequency on the waterfall that is too
> high or low, I will get very low (or zero) power output. It seems like one
> needs to keep this frequency centered in the transmit filter bandpass (I 
> use
> the 2.7 kHz filter for transmit) -- so should I always transmit near 1.3
> kHz? I never noticed needing to limit this range when using my IC-756 with
> Digipan.
>
> Steve N9SZ
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