Table 5 Statistics of the differences between the GNSS/levelling points and the GGM [Unit: (m)]
From: A high-resolution gravimetric quasigeoid model for Vietnam
GGMs | d/o of GGM | Mean | STD | Max | Min |
|---|---|---|---|---|---|
DIR-R5 | 260 | 0.455 | 0.235 | 1.281 | − 0.305 |
DIR-R5 + RTM | 260 | 0.543 | 0.184 | 1.138 | − 0.155 |
DIR/EGM + RTM | 2159 | 0.515 | 0.157 | 1.018 | − 0.103 |