Comparison of geoid undulations from geopotential models to undulations from a global set of 850 Doppler positioned stations provided by NIMA/St. Louis, from Rapp [1996].
| Geopotential Model | Mean Difference (cm) | Standard Deviation (cm) | Maximum Difference (cm) |
|---|---|---|---|
| JGM-3/OSU91A | -21 | 158 | 754 |
| EGM96 | -27 | 145 | 412 |
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