Gentlemen,
Thank you all for your responses. To move this along, my responses:
Alan G0TLK
Linux time jumps: From what I have Googled, the magnitudes are very
large and seem to be reversible. Also, the system time stays correct,
and the horizontal line separating two minute sequences is always at the
correct time.
Restarting WSPR periodically might work except that ticking the
transmit button turns off at the second sequence after startup. Another
bug. I think finding the bug is more important and your suggestion
would work if the above bug were also solved.
Comment 3. Has problem arisen running FT8?
Not as far as I know. I got one response from Josh, KK1D, who wrote
that he observed similar behavior every 72 hours on Fedora Core 41, 64
bit. Restarting runs another 72 hours.
Comment 4. Does this happen on machines with different motherboards
and/or different processors?
Yes, it does. Josh’s comment as well as I have run it with a HP laptop
and my own, Intel Core i7-8700, ASUS Z370 mb and 16 Gb memory.
Glen, AF8C
Yes, I agree. I think there is a register/variable that overflows at
some point. Perhaps the six seconds, is the +/- limit for decoding and
at some cumulative point it does a six second shift. If this is the
case, the register should reset at some point and not continue to
accumulate and “overflow” so to speak.
Nic, G3YEG
Memory leak problem? See above. It could be but the bug would have to
found before we could make that conclusion.
Reino, OH3MA
Yes, as far I have tested, it is a Linux only problem. It does not
appear on my windows laptop.
The transmission is not continuous, about 30 per cent. I can only tell
on receive as that is the only place I can see DT. Perhaps someone
could check me at their QTH. WSPR is currently running on windows, so
no error.
The error occurs with band hopping as well as on one band only.
I hope our suggestions can lead to a solution. There is another minor
bug that I have found but we can discuss it another time. WSPR seems to
be the orphan of WSJTX.
Paul, W6EXT
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