> Hello Said, > > from my own experience in detecting and removal of outliers i can asure > you that it is a challenging and ambitious task in statistical math. I > fear you expect too much from a receiver's TRAIM firmware to compute the > necessary statistic math on a pulse to pulse base. Nevertheless you can > do it on your own if the microcontroller that compares the LO to the > GPS's 1pps has enough RAM and processing power.
I second Ulrich's comments. A certain amount of sanity checking on your end is worthwhile. You can get GPS 1PPS glitches, OCXO glitches, and TIC glitches. No need to decide which is which; just do outlier detection and you solve them all. The beauty of a GPSDO is that you're only changing the DAC every few minutes so there's plenty of time to look carefully at the quality of your 1 Hz samples before you commit the DAC update. It would be a more difficult problem if you needed to update the DAC in realtime. /tvb _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts