Ask Bjørn Hansen wrote:

On Jan 27, 2006, at 7:38, Benoit Panizzon wrote:

I have two Stratum 0 Servers connected to a DCF77 Clock and use
several pool servers to sync with.

During the last few days I noticed my DCF Clocks not being accepted
anymore because of the offset becoming quite large (20ms at the
moment) while all other NTP servers stay within a few ms...


Is it possible that it's the DCF clock that's drifting?

 - ask


Folkert van Heusden wrote:
> I've seen this behaviour for about a year now.
> Going to add an HSF receiver in a week.

It's much more likely that it's not calibrated for the radio distance from the 
source...

     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 127.127.28.0    .DCFa.           0 l   46   64    1    0.000   -1.905   0.001
*127.127.28.1    .MSFa.           0 l   29   64  377    0.000    0.734   0.380
-193.67.79.202   .GPS.            1 u  658 1024  377   74.804   11.970  10.845
+193.79.237.14   .GPS.            1 u  644 1024  377   52.836   -2.743  12.869
+195.113.144.201 .GPS.            1 u  643 1024  377   74.807   -0.272   3.520
+193.10.7.250    .PPS.            1 u  652 1024  377   74.969   -0.135   0.124
+193.10.7.246    .PPS.            1 u  595 1024  377   69.633   -3.057   2.164
+140.203.16.5    .GPS.            1 u  628 1024  377   45.219   -3.077   0.928
+130.149.17.21   .PPS.            1 u  886 1024  335   66.110   -2.298   1.030


--
Simon Arlott

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