I have a signalink I haven't used in years. For my kx3 wsjtx, I use a cheap usb sound dongle, and use cheaper 1/8" phono cords than I probably should, with small chokes of unknown mix. It works with my mbp.
Scott AD6YT On Mon, May 4, 2020 at 12:25 PM rich hurd WC3T <[email protected]> wrote: > Just as a point of reference, I bought a SL and later bought "cheapie" > sound card dongles. I never got the dongles to work despite repeated > efforts. The SL worked every time. I now have two. One for home use and > one for mobile. > > On Mon, May 4, 2020 at 3:13 PM Bill Frantz <[email protected]> wrote: > > > There are 3 kinds of digital operation you might want to use: > > wsjt-modes (FT8, FT4 etc.), RTTY, and "Sound card modes" (PSK, > > Olivia etc.). The setup for all of them is similar. > > > > For sound cards (useful in all 3 kinds) a cheap USB "sound card" > > is all you need. I started with a SignaLink years ago, but now I > > have a cheapie I impulse bought from Amazon more recently for > > about $5. The "headphone" output will drive the Mic input of the > > KX3 nicely with a 3.5mm to 3.5mm stereo cable. > > > > For driving the sound card Mic input from the headphone output > > of the KX3, I found I needed a pad to reduce the drive. I have a > > 47K resistor in series with the line from the KX3 Phones jack > > and the tip of the plug which goes into the sound card, and a 1K > > resistor between the tip and the sleeve. These resistors fit in > > a 3.5mm plug. The values were based on what I could find in my > > junque box. > > > > > > For the wsjt-modes, it is best to have CAT control of the radio > > from the computer. For the KX3, the USB to 3.5mm plug used for > > updating the firmware is all the hardware you need. Then wsjt-x > > will set your radio correctly when you select the band in the software. > > > > For RTTY, if you are good with CW and a paddle, you can do the > > whole thing with the KX3. Depending on your computer software, > > you can also treat it like any other sound card mode. Or your > > software can depend on the KX3 encoder/decoder and use CAT > > commands for sending and receiving. Most people doing RTTY from > > a computer like to use the AFSK or FSK modes. > > > > > > For the other sound card modes, use DATA A, and either use the > > CAT interface to key the radio for transmission, or use VOX on > > the radio. > > > > > > Getting your computer software connected to these hardware > > interfaces depends on which OS you are using. I use a Mac, which > > just means selecting the correct interface in the setup menus in > > the programs. I have heard complaints from the Windows users > > that software updates make it necessary to redo these > > connections. I haven't tried the Linux world. > > > > > > Getting the sound levels set correctly is another issue, since > > there are frequently as many as 4 (computer program, OS, sound > > card, and KX3) level controls. On reception, try setting > > everything about the middle of the range, and then aim for the > > highest level that won't overload the A/D converter in your > > sound card. This setting is straight forward in wsjt-x. > > > > For output, again try to set everything to about the middle of > > the range and then set things so the ALC indicator is showing 4 > > bars with the 5th one flashing. One gotcha is that when severely > > overdriven, the KX3 will show 0 signal rather than maximum, so > > if you're having problems, start low and work up. > > > > Good luck at Gitmo and maybe we'll see you on the air. > > > > 73 Bill AE6JV > > > > On 5/4/20 at 12:21 PM, [email protected] (MIKE W1SRR) wrote: > > > > >so rookie question as I just got my KX3 in time for mobilization (my > call > > >sign will be KG4MA, wink wink) I want to setup my KX3 for > > FT8/FT4/JT9/JT65. > > > > > >Will have a brand new laptop and of course my radio what all are you > using > > >for sound cards and settings on the KX3 and WSJT? > > > > > >If all possible I would like to get a Raspberry Pi computer to lighten > the > > >load a bit, is that possible? > > > > > >Thanks in advance > > > > > >Future KG4MA (in mid june) > > >Mike > > > --------------------------------------------------------------------------- > > Bill Frantz | If you want total security, go to prison. > > There you're > > 408-348-7900 | fed, clothed, given medical care and so on. > > The only > > www.pwpconsult.com | thing lacking is freedom. - Dwight D. Eisenhower > > > > ______________________________________________________________ > > 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] > > > > > -- > 72, > Rich Hurd / WC3T / DMR: 3142737 > Northampton County RACES, EPA-ARRL Public Information Officer for Scouting > Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: > *FN20is* > ______________________________________________________________ > 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] -- Scott Small ______________________________________________________________ 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]
