Table 3 Residual in MF-SPD estimation with the introduction of horizontal gradient correction at five stations
From: An initial investigation of the non-isotropic feature of GNSS tropospheric delay
Elevation angle (°) | Residuals between MF-SPD with horizontal gradient and RT-SPD (mm) | ||||
|---|---|---|---|---|---|
ABMF | BJFS | LAMA | NYAL | RIO2 | |
10 | 150.5 | − 50.5 | − 92.0 | − 105.1 | − 52.7 |
20 | 125.3 | 9.0 | − 11.9 | − 15.1 | 4.0 |
30 | 92.6 | 10.9 | − 2.7 | − 4.9 | 6.5 |
40 | 73.9 | 9.7 | − 1.8 | − 2.6 | 6.3 |
50 | 62.7 | 8.4 | − 1.4 | − 1.9 | 5.9 |
60 | 55.8 | 7.6 | − 1.0 | − 1.6 | 5.5 |
70 | 51.6 | 7.2 | − 0.9 | − 1.5 | 5.2 |
80 | 49.3 | 6.9 | − 0.8 | − 1.4 | 5.0 |