[time-nuts] NTP on steroid (was: a hijacked thread)

David J Taylor david-taylor at blueyonder.co.uk
Mon Jan 16 06:14:21 EST 2012


> The best you can get out of NTP is about 1ms. While UMTS needs something
> in the us range for proper working IIRC.
>
> Attila Kinali

NTP fed with a PPS source can do much better than 1 ms.  Here's a 
non-temperature-controlled, simple Intel Atom system providing within 10 
microseconds using FreeBSD 8.0:

  http://www.satsignal.eu/mrtg/pixie_ntp.html

Of course, if you mean "over the Internet", then even 1 ms might be 
optimistic!

Cheers,
David
-- 
SatSignal software - quality software written to your requirements
Web:  http://www.satsignal.eu
Email:  david-taylor at blueyonder.co.uk 





More information about the time-nuts mailing list