[ntp:questions] Garmin 18x LVC - degraded precision ?

Miroslav Lichvar mlichvar at redhat.com
Wed Aug 7 08:16:25 UTC 2019


On Tue, Aug 06, 2019 at 08:37:44PM -0400, Brandon Applegate wrote:
> I haven’t made any software or config changes.  The GPS puck hasn’t been moved.  I’ve rebooted the server as well as power cycled the puck.  I’m not quite sure what else I can look at.
> 
> Could it be my 18x is “dying a slow death” ?  Has anyone ever seen this behavior or have any advice ?

Any changes in the environment that could cause faster changes in the
temperature? Like a new powerful AC unit cycling on and off?

A plot of the offset and frequency over time might give a hint on
whether it's a larger jitter or the clock is less stable.

-- 
Miroslav Lichvar


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