[ntp:questions] best gps receiver for time synchronization

jack j.jack.wang at gmail.com
Tue Mar 10 16:17:58 UTC 2009

I cannot switch to Linux because my main application runs only on
Windows. It would take us a long time to port to Linux.
If I can get to millisecond accuracy, I'd be happy.


On Mar 10, 11:56 am, Dave Hart <daveh... at gmail.com> wrote:
> On Mar 10, 3:44 pm, "Richard B. Gilbert" <rgilber... at comcast.net>
> wrote:
> > You might want to take a look at the work of Poul-Henning Kamp (PHK).
> > He used Soekris 4501 single board computers together with a GPS receiver
> > to make a highly accurate clock.  This was long enough ago that most of
> > the hardware he used is no longer available new but it might give you
> > some ideas.
> Seconded.  FreeBSD will give you better timekeeping than Windows.  If
> the difference between a few microseconds and a few hundred
> microseconds is no problem, my recent Windows releases are fine.  But
> if you're dedicating a small PC to the task, care about those
> fractions of a millisecond, and can manage FreeBSD, it's the gold
> standard for NTP.
> Cheers,
> Dave Hart

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