[ntp:questions] like a kid with a new toy (PPS jitter)

Unruh unruh-spam at physics.ubc.ca
Fri Feb 6 15:07:10 UTC 2009


Dave Hart <davehart at gmail.com> writes:

>On Feb 6, 3:25=A0am, Paul Kennedy wrote:
>> Under windows OS, I believe working in the 10's of microsecod range is
>> pretty good, and a darn site better than flat NMEA. =A0Terje, can you
>> let me know what is bad about this?

>That is encouraging to hear.  Keep in mind I was deliberately vague in
>the original post, leaving out mention of the OS and the user-level
>PPS implementation.  I want to hear how it compared other typical PPS
>setups

My typical ntp controlled by a GPS 18 has about 3usec standard dev on the
offsets, the only measure of the accuracy of the ntp control.


>Dave Hart




More information about the questions mailing list