Hi Just as a reference point, one can get 0.006/0.006/0.012 sort of errors with a fairly rotten antenna and 24 hours of data from a 2004 era L1 / L2 receiver. One key consideration is that the error bars on the “estimated locations” of the reference stations are close to those numbers.
Bob > On May 20, 2018, at 8:22 PM, Mark Sims <hol...@hotmail.com> wrote: > > The main significant difference between the M8N and M8T is the fact that the > M8T can output raw data (and sawtooth). The hardware is the same so there > should not be much difference PPS wise between the two. > > I have Lady Heather's RINEX writer working pretty well. Tested with the > LEA-4T/5T/6T, the Furuno GT87, the NVS-08, and the Ashtech Z12 (with L1 and > L2 data). It supports GPS/SBAS/GLONASS/GALILEO (with hooks for future > BEIDOU) observations). GLONASS and GALILEO have not yet been tested with the > M8T... I'm still waiting for the M8T to arrive. It currently outputs RINEX > 2.11 format with some hooks for future v3.03 support. > > L1 only results with 24 hours of observations and "ultra rapid" orbits yield > error estimates in lat/lon/alt of around 0.15/0.15/0.3 meters pk-pk. With 2 > hours of data the errors are around twice that. L1/L2 with the Z12 were > 31/40/88 mm (antenna is in a TERRIBLE location). > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
