[Elecraft] Soundcard choice for K3s on Linux help needed

Nate Bargmann n0nb at n0nb.us
Tue Sep 17 08:44:34 EDT 2024


* On 2024 16 Sep 14:01 -0500, Rick Bates, nk7i wrote:
> I submit that using the mobo sound card for radio, is a poor choice.
> 
> The OS will use it (if it is using the GUI, not text only); which means
> tones, belches, tunes and other can be transmitted (incidentally or not). 
> If you listen to FT8, you'll often hear TV, pets, local room chatter; OS
> noises and worse (a violation in the US, it's not the phone band).  Much of
> that 'stuff' is also at full bandwidth (2700 Hz wide).

That might be true on other systems but with the Pipewire/PulseAudio
daemons configured to set my USB speakers as a default what you describe
has never been a problem.  I have heard what you describe which seem to
invariably be sounds from MS Windows.

73, Nate, N0NB

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