Precipitable Water Vapor Estimates in the Australian Region from Ground-Based GPS Observations
Table 1
GPS tropospheric ZPD computation strategy.
Software
Bernese GPS Software Version 5.0
Processing method
Relative positioning
Satellite trajectories and earth orientation
Best available IGS products
Satellite and receiver antenna phase center calibration
IGS08 absolute phase center offset and variation model
Tropospheric model
A priori model is the Saastamoinen-based hydrostatic mapped with the dry-Neill
Tropospheric estimation
Zenith delay corrections are estimated using the wet-Niell mapping function with a temporal resolution of 1 hour. N-S and E-W horizontal gradients are solved.