Table 1 Relationship between cut-off angles and Position offsets by making difference between multi-GNSS PPP (IC-PPP and LC-PPP) and INS tightly aided PPP.
From: Real-time Kinematic Positioning of INS Tightly Aided Multi-GNSS Ionospheric Constrained PPP
Cut-off angles | Multi-GNSS IC-PPP (/INS) mode | Multi-GNSS LC-PPP (/INS) mode | ||||
---|---|---|---|---|---|---|
North (cm) | East (cm) | Up (cm) | North (cm) | East (cm) | Up (cm) | |
10° | 0.8 | 3.3 | 8.6 | 3.0 | 5.8 | 10.0 |
15° | 0.8 | 2.7 | 11.4 | 1.0 | 2.4 | 11.5 |
20° | 0.9 | 3.8 | 14.6 | 1.1 | 2.2 | 14.8 |
25° | 1.2 | 4.5 | 18.1 | 1.5 | 5.1 | 18.3 |
30° | 1.0 | 3.5 | 34.3 | 1.2 | 3.6 | 34.3 |
35° | 0.8 | 4.2 | 27.5 | 1.1 | 2.8 | 27.8 |
Average | 0.9 | 3.7 | 19.1 | 1.5 | 3.6 | 19.4 |