[ntp:questions] SNTP with 1ms of precision?

Marcelo Pimenta marcelopimentacs at gmail.com
Thu Jun 17 20:57:02 UTC 2010


2010/6/17 Richard B. Gilbert <rgilbert88 at comcast.net>

> Marcelo Pimenta wrote:
>
>> Yes!! My question is about ms(MILIsecond) a collegue of this forum said
>> that
>> NTP give nsec accurancy... Is impossible to have usec imagine nsec!
>>
>> Thanks
>>
>>
> If you have a GPS timing receiver (different from navigation receiver),
> with a PPS output, one edge of that pulse should be accurate to within 50
> nanoseconds.  A serial output will tell you which second is marked by the
> pulse.
>
> Getting time into a computer without losing some of that accuracy can be
> quite difficult.


Yes, I agree. But we were talking about NTP using Ethernet, so... that's
impossible

>
>
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