[ntp:questions] UTC Time from NMEA receiver one second behind DCF?

David J Taylor david-taylor at blueyonder.neither-this-bit.nor-this-bit.co.uk
Tue Aug 12 07:35:55 UTC 2008


Venu Gopal wrote:
> I have a couple of similar experiences !
> I observed that the NMEA sentences are not generated in sync with PPS.
> Theres lot of jitter in these sentences resulting in 1 second offsets.
> Its fine if the jitter is within few milliseconds. But sometimes it
> exceeds a second and thats really painful.
>
> This observation was discussed earlier and the solution is to go for
> a better GPS receiver!

Use the shortest GPS sentences, and the highest baud rate, to keep the 
total message time as short as possible.

David 





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