Have you installed and tried this ntp service ? ;
https://www.meinbergglobal.com/english/sw/ntp.htm
73
Adrian Fewster
On 16/4/21 10:14 pm, Rich - K1HTV wrote:
In the past couple of months, using both the GA and the RC versions of
WSJT-X, I've been plagued with an intermittent decode problem while
running FT8. I am using Win10 on a dual core i5-2500 @ 3.3GHz with
16GB of RAM. It may take days and sometimes less for the problem to
occur. On a busy 20 Meter band, the decode count and corresponding
number of decodes are normally between 30 and 60 per 15 second FT8
sequence.
When the problem develops, with a full waterfall display, on the *_odd
cycles_*, only 4 to 8 signals are decoded and counted. On the _even
cycles_ only a few and often NONE of the many dozen signals are
decoded. The DT on most of the few decoded signals is usually 0.1
seconds, so it's not a clock issue.
The only fix is to reboot the computer and then the count goes back to
the 30 to 60 decodes on both even and odd 15 second cycles.
When the problem occurs, checking with Task Manager, the max CPU usage
on WSJT-X peaks at less than 5% and the max total CPU usage with other
apps is no more than 20% on peaks. A max of 30% of the 16GB RAM is
being used. I use the Chrome browser, using 300-800MB of RAM. When I
shut down Chrome and all other apps, there doesn't appear to be any
phantom occurrences of their processes running, but the very poor
decoding problem still exists.
I turned on WSJT-X "Save all" and played back the saved WAV files and
the number of decodes matched the low counter readings noted for the
same sequences. I switched from using the Elecraft K3 USB CODEC to
using the sound card with audio from the K3 Line Out jack and get the
same poor performance when the problem arises.
As I said, only a reboot of the computer will bring things back to
normal. I'm at a loss to figure out what is causing this intermittent
problem and how to correct it. Does anyone have any ideas of the cause
and how it can be fixed? Thanks.
73,
Rich - K1HTV
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