[ntp:questions] help - clock jumps up to 5000 ms startup ntpd with usb gps linux
David J Taylor
david-taylor at blueyonder.co.uk.invalid
Mon Feb 20 07:59:40 UTC 2012
> Well, no. As I understand it, the garmin would issue the nmea sentence
> so that it ended after the second that it referred to ended.
Sometimes after, sometimes before.
> This made
> the simpleminded association of the garmin nmea time with its PPS
> difficult.
If not impossible.
> It however did not stop you from using a say 1.1 sec offset
> to correct the nmea time using the nmea driver.
> Ie, as I understand it, it was solveable by a simple recalibration. (
> unfortunately the pps driver could not do that)
The firmware error rendered the device outside its own datasheet
specification - i.e. broken.
Cheers,
David
More information about the questions
mailing list