Table 1 Data processing models
From: An alternative integer recovery clock method for precise point positioning with ambiguity resolution
Items | Sub-items | Descriptions |
|---|---|---|
Observations | Observation | Ionosphere-free GPS pseudorange and carrier phase measurements |
Prior-constraint | Pseudorange: 0.3 m; Carrier phase: 0.006 cycle | |
Cut-off elevation | 7° | |
Weighting | \(p = 1,e > 30{^\circ };p = 4\sin^{2} e,e \le 30{^\circ }\) \(e\) denotes the elevation | |
Corrections | Phase wind-up | Corrected |
Phase center offset | igs08.atx | |
Tidal correction | Corrected (solid tide, polar motion, ocean loading) | |
Relativistic correction | Corrected | |
Parameters | Reference clock | H-master (station) |
Satellite coordinate | Fixed to CODE final products | |
Station coordinate | Fixed to PPP daily solusions | |
ERP | Fixed to CODE final products | |
Zenith troposphere delay | Estimated (GMF) every 1 h | |
Horizontal tropospheric gradient | Estimated every 12 h | |
Satellite clock | Estimated as white-noise-like parameters | |
Receiver clock | Estimated as white-noise-like parameters | |
Ambiguity | Estimated as a constants over each continuous session |