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Determination of Deflection of the Vertical Components: Implications on Terrestrial Geodetic Measurement
World Journal of Geomatics and Geosciences
| Vol 1, Issue 1
Table 4. Showing the Comparison of thedeflection component obtained from GPS/Levelling method & Earth GravityModel
| Comparison of the deflection of the Vertical | ||||
| Methods | North-South Component | East-West Component | Difference | |
| ξ(″) | η(″) | |||
| Geometric Method | 0.0473″ | -0.0393″ | ||
| EGM 08 Model | 0.0204″ | -0.0345″ | 0.0269″ | -0.0048″ |
| EGM96 Model | 0.0157″ | -0.0246″ | 0.0316″ | -0.0147″ |
| EGM 84 Model | -0.0546″ | -0.0208″ | 0.1019″ | -0.0185″ |