Greetings,
I have been using WSJT-X quite successfully for several years during
June VHF Contests. I experienced a failure of the WSJT program to accept
received audio input after several hours of proper operation during the
recent Field Day exercise.
I'll provide a brief outline and reply with more detail, should it be
needed.
My computer is a Dell Optiplex 780 running Win 7 Pro SP1, 64-bit. The
WSJT-X software version is 2.0.1 7ddcb7.
My receiver is a Flex 6500. It passes data to a Flex-supplied "DAX"
program that interfaces various applications that wish to receive the
audio stream. WSJT accepts the stream and displays results on the Wide
Graph and a small audio signal-strength window. Activity proceeded
normally for the first three hours of Field Day, until both the Wide
Graph and the audio signal-strength stopped showing any incoming audio.
I can't offer any help on what might have caused the problem. It was
abrupt and seemingly unrelated to any other system actions. I am unable
to reproduce the problem.
Several operators spent several hours speculating about what a solution
might be. Program restarts and computer re-boots (time-tested favorite
of generations) changed nothing. The only useful clue was that the DAX
audio output stream was present and could be re-directed to Fldigi, but
not to WSJT-X.
I was able to restore operation for a brief period by stopping WSJT,
renaming WSJT.ini and restarting WSJT. That fix lasted for a half hour.
Repeating the procedure provided operation for the rest of Field Day.
The two .ini files that were renamed are available for your inspection,
along with the one that continued to function.
Any suggestions you can offer to prevent a recurrence would be greatly
appreciated.
Regards,
Peter
NI6E
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