[ntp:questions] different Ntp servers...

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Mon May 25 23:04:11 UTC 2009

>If you need extreme accuracy, you can install a GPS timing receiver, 
>spend about a month doing a "site survey" to determine your location to 
>within plus/minus a foot or two and be certain of the time within a 
>nanosecond or two.

>Radio astronomers, for example, really care about nanosecond accuracy. 
>Most people have requirements far less stringent!

If you get that serious about time, don't forget to correct for
the tides.  In solid rock, they are about a foot.

These are my opinions, not necessarily my employer's.  I hate spam.

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