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Table 2.
Parameters/models used for the GIPSY PPP solution.
| GIPSY version: | 6.3 |
| Reference frame: | IGb08 |
| Elevation Angle Cutoff: | 7° |
| Elevation dependent weighting: | Yes ( ) |
| Antenna phase centre (receivers, transmitters): | Absolute based on IGS standard (igs08_1816.atx) |
| Troposphere mapping function: | VMF1 |
| Tropospheric nominal values: | Wet and dry nominal values based on VMF1 grid model |
| 2nd-order ionosphere model: | Based on IONEX files |
| Ocean loading: | FES2004 |
| Ocean pole tide model | Yes |
| Ambiguity resolution: | Yes (Bertiger et al. 2010) |
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