Table 2 Statistics of the differences between the observation elevations and the SRTM3arc [Unit: (m)]
From: A high-resolution gravimetric quasigeoid model for Vietnam
Data | Mean | STD | Min | Max |
|---|---|---|---|---|
GNSS/levelling (812 points) | − 3.13 | 6.86 | − 50.13 | 32.94 |
VIGAC data (10,940 points) | − 4.23 | 23.46 | − 403.20 | 434.95 |
IGP data (all: 19,267 points) | − 14.95 | 73.50 | − 789.00 | 715.46 |
Rejected points of IGP data (1960 points) | − 57.97 | 171.68 | − 782.32 | 715.46 |
Accepted points of IGP data (17,307 points) | − 10.08 | 49.42 | − 789.00 | 491.80 |