[ntp:questions] Linux NTPd using a older Trimble Thunderbolt GPS Receiver

George Ross gdmr at inf.ed.ac.uk
Tue Jan 20 11:51:25 UTC 2015


> ... Presumably PPS
> was ignored because the event based timing packets yield reliable
> sub-millisecond offsets.  The driver and document should be brought into
> the PPS era and be renamed the TSIP refclock rather than Palisades.
>
> Palisades/NMEA + ATOM is the way to use these receivers.

>From the Acutime 2000 user guide: "The time tag provides a resolution of
320ns ...".  Is PPS going to be sufficiently better that it would outweigh
the additional setup complexity?
--
George D M Ross MSc PhD CEng MBCS CITP, University of Edinburgh,
School of Informatics, 10 Crichton Street, Edinburgh, Scotland, EH8 9AB
Mail: gdmr at inf.ed.ac.uk   Voice: 0131 650 5147   Fax: 0131 650 6899
PGP: 1024D/AD758CC5  B91E D430 1E0D 5883 EF6A  426C B676 5C2B AD75 8CC5

The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.


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