[ntp:questions] Have Pi, have GPS = low powered NTP server?

David Taylor david-taylor at blueyonder.co.uk.invalid
Tue Aug 7 05:35:29 UTC 2012

On 06/08/2012 23:35, bealevideo at gmail.com wrote:
> In case of interest, I got NTP with PPS from a GPS receiver running on the Raspberry Pi.  My peak error (looking at the kernel's PPS timestamps) went from about +/- 2 msec using remote NTP servers, to about 60 usec with PPS enabled (limited by variability in the R-Pi's interrupt latency.) Using "Raspbian" kernel compiled with PPS support. More info, and graphs at
> http://www.raspberrypi.org/phpBB3/viewtopic.php?f=41&t=1970&start=25#p142606

Many congratulations on that!  I added a link from my Sure Electronics 
NTP Web page:


It would be nice to have your first name as well rather then just "J".
Web: http://www.satsignal.eu

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