[ntp:questions] Isolated Network Drift Problem

Calvin Webster cwebster at ec.rr.com
Wed Nov 26 12:42:45 UTC 2008


On Tue, 2008-11-25 at 20:11 -0500, Richard B. Gilbert wrote:
> > I was thinking I'd try the rather crude but elegant solution here: 
> > Using a Garmin GPS 18 LVC as NTP stratum-0 on Linux 2.6
> > http://time.qnan.org/
> 
> What's crude about that?  GPS gives you time accurate to within about
> 50 
> nanoseconds.  The process of getting the signal into your computer 
> degrades the accuracy somewhat but time to within 500 microseconds or
> so
> is more than adequate for most purposes.

Bad choice of words... sorry. I've put some breadboard solutions
together before that weren't pretty but turned out pretty elegant. I
should have said brilliant. I really do like the setup and the detail in
the write up is magnificent. :-)

./Cal




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