[ntp:questions] ntp server specs

Chris Albertson albertson.chris at gmail.com
Thu Apr 21 15:00:25 UTC 2011

On Wed, Apr 20, 2011 at 11:58 PM, David Woolley
<david at ex.djwhome.demon.invalid> wrote:
> unruh wrote:

> Many years ago, I read an official GPS document that said that the time
> transfer accuracy was 50ns.

Even if that s true you can average the time over many minutes and
hours and get to a couple ns.  To perform the average you need a very
stable oscilator that is controlled much the way NTP controls a PC's
clock.  Then the osciator is devided down to  1PPS

Chris Albertson
Redondo Beach, California

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