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

[Rick Bates, NK7I]

Specifically Data A mode...


Rick NK7I


On 5/17/2020 6:15 AM, David Herring wrote:
> 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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