[ntp:questions] ntpd -q and driftfile

David Woolley david at ex.djwhome.demon.invalid
Tue Mar 22 21:30:29 UTC 2011

> oh, come off it. Your reaction time is nowhere near what ntp -q would
> give you. Using ntp -q run once every hour, and assuming say a 20PPM
> drift for the crystal, his clock would be out by less than a 100 ms due to the
> drifting, and your reaction time with your watch ( and wyour watch) are
> nowhere near that accurate. 

Actually, it is on the borderline of the achievable.  You phase lock 
your finger bounces to the second ticks and just go that little further 
on the exact time.  It's certainly good to 200ms and possibly good to 100ms.

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