PPP works on observations - i.e. pseudorange and accumulated doppler range from the antenna to the satellites - it does not know or care what position the reciever thinks it is at, so that makes sense.
Ole On Sun, Apr 7, 2019 at 8:02 PM John Ackermann N8UR <[email protected]> wrote: > I got the NRCan results from the overnight run, and interestingly there > doesn't seem to be any glitch in the carrier and phase data, despite the > receiver's lock up of position calculation. > > (Interesting point -- I started the run at 0200Z on 7 April, after the > rollover event. At that time, the receiver was still operating > normally. I don't know when it froze but it wasn't right at the rollover.) > > On 4/7/19 10:43 AM, John Ackermann N8UR wrote: > > I was running my newly-acquired Z12 (with 1999 firmware) overnight, > > capturing RINEX data via Lady Heather, using Cesium reference. > > > > This morning Lady Heather showed the receiver still tracking satellites > > and giving time, but the lat/long/elevation were frozen -- lat and long > > were correct, but elevation showed -821 meters! The receiver's own > > display showed the same thing -- "99999" as the measurement count, GMT > > time incrementing, unchanging lat/long/elevation, -821 meters. > > > > I had to do a complete reset (wipe internal memory) to get the receiver > > working again, but now it seems to be tracking normally. > > > > I sent the RINEX file off to NRCan and it will be interesting to see > > what the results look like. If anyone is interested, the raw file is > > available for study. > > > > John > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
