[Elecraft] WSJT FT8 TX not decoded using K3S TX - Rx ok

[David Herring]

Can you confirm that the K3S is actually in Data mode?

I seem to recall once in my distant past when I was new to digital modes that I had my K3 in lsb rather than usb or Data mode. No one decoded anything of mine in that instance.

73,
David - N5DCH

> On May 17, 2020, at 5:16 AM, HP <pfizenmayer at q.com> wrote:
> 
> Afire calling folks on ten who were running as much as +12 on Fri and Sat - and no answer 
> I called a friend across town - He sees the signal and it will not decode. While he was listening 
> he worked two stations on10 so his setup is working (K3S and Signalink) 
> 
> I hooked up my K3 - Signalink - and it will not decode the K3S tones -decodes band signals just fine . 
> Makes no difference by band 80 or 10 the same and friend same on10 and 15 . 
> BTW the K3S decodes on air signals just fine. 
> 
> This apparently happened in past week or so I do more listening than txing . Last FT8 qsos 
> in log were 5 /10 . 
> 
> I uninstalled and re-installed WSJT -latest versions on both the K3 and K3S . No difference. 
> 
> I went to earlier K3S config file - no difference. 
> 
> Did an EEINT and still no difference-two different config files. 
> 
> Makes no difference 5 watts,20 watts ,50 watts out of K3S. ,or 450 watts out of KPA . (all into dummy load on both xcvrs.) 
> 
> Levels out of the computer are essentially same as always both rx and tx . Easy to get 4 bars ALC 
> with 5th flickering . Tones in monitor sound clean and looking at the monitor audio on scope they 
> are clean sine waves . The monitor signals look essentially the same on both the K3 and K3S. 
> 
> Tried looking at recovered audio tones both ways - they look pretty much the same but hard to tell 
> dummy load to dummy load because of residual rx noise on the tones. Guess I could see if I could arrange to get 
> more signal. 
> 
> Rig works on CW as always - dd not mess with SSB - Maybe I should look at two tone tomorrow -- 
> or at least listen to it on SSB. 
> 
> I restored computer W10Pro 64 bit to several updates ago and no change. 
> Rebooted computer - restarted programs . Clocks are within a tenth of a second. 
> 
> I am out of ideas -other than to change the K3S over to using the Signalink instead of the USB/internal codec. 
> Guess I will do that later today since its 4 m. 
> Nuts. 
> 
> 
> Hank K7HP 
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