On 2011-01-15, David J Taylor <david-tay...@blueyonder.co.uk.invalid> wrote: > "unruh" <un...@wormhole.physics.ubc.ca> wrote in message > news:slrnij1g6n.mnc.un...@wormhole.physics.ubc.ca... > [] >> ??? There is a program which takes the PPS signal and takes the nmea >> sentence and tells ntpd how much out the computer clock is from the true >> time. If you are not using gpsd, you are using some other program. >> Insert the name of that program whereever in my message I used the word >> gpsd. > > No program is actually needed - just an oscilloscope looking at the PPS > and serial outputs. > > In this particular case, there is no separate program as such, just ntpd > with the type 20 refclock looking at the serial signal, and a type 22 > refclock looking at the PPS signal through a modified device drive.
Is the start of the nmea sentect coming more than one second after the PPS signal? Or is it just ending at the one second mark? > > Cheers, > David > _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
