2018-07-04 04:14:23 UTC
1) carrier phase + pseudorange
2) pseudorange only
3) carrier phase only
Oddly, file 3 was rejected as not having any usable observation data. Files 1 and 2 produced identical output. It looks like CSRS-PPP does not process carrier phase measurements for L1 only receivers! I had previously determined that they do not use doppler or signal strength measurements.
BTW, this was a 24 hour file from an M8T tracking GPS and GLONASS with 5 second intervals. The lat/lon/alt error ellipses were: 182/166/441 mm. So the Acutime GG is not as bad as I originally thought...
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