[time-nuts] new member with questions NTP, PRS, GPS, ocxo

Chris Albertson albertson.chris at gmail.com
Sun Aug 19 20:39:16 UTC 2012

On Sat, Aug 18, 2012 at 9:20 AM, David J Taylor <
david-taylor at blueyonder.co.uk> wrote:

> From: Chris Albertson
> Sent: Saturday, August 18, 2012 4:55 PM
> []
> Power is a bigger issue.  It really does cost a bit to keep some
> machines owered up 24x7 and NTP needs to run all the time.  It takes
> NTP hours to stabilize and you want to wait 24 hours after to measure
> performance.
> []
> Chris Albertson
> Redondo Beach, California
> ==============================**==================
> I see this "hours" or "many hours" figure quoted, and yet here NTP is
> sufficiently accurate within a few minutes.

For most uses "sufficiently" is about 0.1 seconds.  Maybe 0.01 seconds for
some critical data logging.   But this being a time nuts
list "sufficiently" means "unable, even with great effort to make it

But also what is the point of a server it you don't run it 24x7?

Chris Albertson
Redondo Beach, California

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