Hello Ragnar Mktimetx uses the receiver-provided sawtooth correction in the TP message. The TDEV plots in the presentation I linked show its effectiveness.
Cheers Michael On Mon, 23 Sep 2019 at 4:21 pm, Ragnar Sundblad <ra...@kth.se> wrote: > > Hello Michael, > > > On 22 Sep 2019, at 23:54, Michael Wouters <michaeljwout...@gmail.com> > wrote: > > > > The OpenTTP software mktimetx applies sawtooth corrections to the TIC > > measurements, as you guessed. The corrected TIC measurements are combined > > with the raw GNSS pseudo ranges, and then this is what goes into the > output > > RINEX and what is used for CGGTTS generation. > > Have you considered using the UBX-TIM-TP qErr correction (the receivers own > estimate of the quantisation error for the TIMEPULSE output) instead of > sawtooth filtering? > > I have played with it a little on a u-blox M8, and it sure seemed to smooth > things out, but I haven’t made any real measurements on the result. > > > Anders, > Thanks for sharing your results! I am a but surprised that you have so > large > variations, I wonder how much the antenna placement affects the results. > Just for fun - can you tell us more about how your antenna is place now? > > > Best regards, > > Ragnar > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.