PP_PPP_ZTD_GFRF_L3_EMX

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Processing and Solutions

IGS TSK2 station

ZTD Estimate
ZTD estimates for IGS TSK2 station with only GPS (green), GPS+GLONASS with phase noise for GLONASS of 1 cm (light blue), and GPS+GLONASS with phase noise for GLONASS of 2 cm (blue). IGS official ZTD product is plotted with red cross.



Sample data and Setting

Item/Parameters Notes and Setting
Processing PPP processing
Purpose ZTD monitoring with GPS and GLONASS. Seamless processing with multiple RINEX data.
Stations IGS TSK2 station
(Please use the template file by replacing the stations).
Processing time window 2009/01/01 ~ 2009/03/31 GPST
(Please use the template file by cahnging the time-window setting).
Used data GPS+GLONASS phase L3 (IF: Ionosphere free) , 30 sec. processing
Get data Download from IGS CDDIS
Satellite products IGS EMX final orbit and clock (any standard products can be used, see products available publicly.
Setting in processing PPP static processing
Constrain A priori coordinate 100m, ZTD 1e-5 m/s
Processing cost About 5 minutes
Validation Compare ZTD solution with IGS official ZTD dataset. Compare GNSS ZTD with meteorological observation such as radio sonde.