The OP is searching for advice using the IQ output for spectrum view, not sound interface for WSJT modes.
Tim On Tue, May 5, 2026, 1:44 PM Jim Brown via Elecraft < [email protected]> wrote: > On 5/5/2026 11:05 AM, Curt Nixon via Elecraft wrote: > > The lp pan revommended e Mu 0204 is a very good external usb card. They > > still show up used from time to time and even used they seem bullet > proof. > > I think I recall that this was a VERY old recommendation, that I also > think I remember that Emu was very bad about updating drivers. Don't > take my word for it, but do some research before buying. > > On 5/5/2026 1:21 PM, Tim Tucker via Elecraft wrote: > > Search for a USB sound card with stereo mic or line in with as much > > bandwidth as possible - preferably 192Khz if you can find it. Most of > the > > "studio" type devices can do this. > > Good advice for spectrum display, but a waste of money for WSJT-X, which > uses 48kHz 16-bit. > > > > Regarding "performance" - you can create a ground loop if you're not > > careful so be mindful of that... > > There is no such thing as a "ground loop," but the problems we describe > with those words is the failure to follow proper grounding and bonding > at the operating position. Study N0AX's excellent ARRL Book on the > topic, to which I contributed extensively. Also, the pdf of slides for > talks I've done at Pacificon, Visalia, and to several ham clubs. > > http://k9yc.com/GroundingAndAudio.pdf > > 73, Jim K9YC > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

