On 3/4/21 11:43 AM, Alan wrote:
In my experience portable operation does indeed have a problem with
drifting clocks due to temperature variations, and particularly wind.
Internet connectivity may well be unavailable, so I've bought a cheap
GPS dongle that does the job just fine.
A good idea !
Averaging received time differentials to provide a correction is an
interesting thought though, but in my view providing that was done only
inside WSJT-X and only for the current session - no changes to the
system clock itself, or permanent config changes.
If you are using a GPS dongle, in portable operation, you have solved
the problem as long as you have a sufficient sight to the satellites.
When using ntpd or chrony, you have the opportunity to use multiple time
signal sources. Use some sources in the Internet and your GPS dongle and
you will be able to set the needed parameters related to the USB dongle.
When the Internet connection will not more be available, in portable
operation, you have the right parameters set for your USB dongle.
Best wishes,
Claude (DJ0OT)
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