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.).
This is typical for such a machine. Remember this is of the order of
microseconds.
I get the same performance from a standard kernel and user-process PPS
handling.
(using gpsd)
It is several orders of magnitude better than you would get with only
message
handling (no PPS) or sync from the network.
Rob
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