[ntp:questions] What is the NTP recovery time from 16s step in GPSserver?

unruh unruh at invalid.ca
Thu Nov 1 16:13:34 UTC 2012


On 2012-11-01, David Woolley <david at 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) 



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