International Gravity Formula

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International Gravity Formula Formula used to determine the gravitational acceleration at a given latitude (gφ) for a model of the Earth that comprises a rotating, oblate spheroid. gφ = g0(1 + α sin2φ + β sin2Φ), where g0 is the value at the equator, of 978.0318 gals, and the constants α and β are 0.0053024 and —0.0000058.

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International Gravity Formula

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International Gravity Formula