[ntp:questions] Adjusting PPS offset

David Woolley david at ex.djwhome.demon.invalid
Sun Sep 4 09:59:31 UTC 2011


A C wrote:

> 
> I figured that if the entire collection of servers had settled into a 
> 2ms offset then the tick of PPS was probably off by that amount.
> 
> If that's not a reasonable assumption then what would be?

That the PPS signal was accurate to better than 5 microseconds (less 
than 500ns (probably less than 100ns) at the electrical interface), or 
you were monitoring the wrong edge.




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