Philip M. White wrote: > All, > > What is the best offset that you have been able to attain with ntpd? > With a Garmin 18 LVC + LinuxPPS + Linux 2.6.17 + ntpd 4.20, the best I > can get is an offset of about 0.006 ms. This offset is never steady -- > it drifts from positive to negative. Right *now*, for example, it is > -0.017 ms. I use this machine for real work and play (X, multimedia, > OpenOffice, etc.). > > My delay is consistently 0.000 ms, and jitter is 0.001-0.002 ms, so > those are good. Is my offset good for a stratum-1 machine? Can > anything be done to minimize and stabilize the offset? Probably the key > factor is my activity on this machine, but is there anything else? > > That is about as good as you will get without replacing the crystal in your machine with an ovenized one that is not sensitive to temperature swings. With a standard crystal if you plot the frequency correction NTP is applying you'll be able to see changes in machine load and room temp.
John _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
