unruh wrote:
On 2012-11-01, David Woolley <david@ex.djwhome.demon.invalid> wrote:
David Taylor wrote:

On a recent restart from cold, the server here took about 15 minutes to get to within 250 microseconds, and about an hour to be within 10 microseconds. Ultimately it is within about 3 microseconds.
3 microseconds of what? How are you measuring the difference between software clock time and UTC, independently of NTP?

I think he means the clock offset from a PPS signal. (otherwise that
does not mean much)
Well actually, he means the offset from the estimated PPS time, not the actual PPS time.

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