[ntp:questions] NTP absolute accuracy?
David J Taylor
david-taylor at blueyonder.not-this-bit.nor-this.co.uk.invalid
Sun Nov 1 18:10:30 UTC 2009
"Unruh" <> wrote in message news:vCjHm.50153$Db2.9407 at edtnps83...
>>UK 60KHz radio time signal.
> Ah, OK. Its accuracy is probably not much better than a few msec I
> GPS is a few usec. Since the network gives accuracies of better than a
> few ms, MSF
> is not a good way of testing the accuracy of network set clocks.
At source, it's recently been within about 10 microseconds:
In the field, the accuracy will depend on the receiver you use, the
propagation, and the quality of signal you have. A few milliseconds is
probably a fair estimate, although it would be interesting to see some
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