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The Free Air Geoid for Australia
Abstract:Summary The free air geoid, which is the co-geoid obtained by the use of free air anomalies in Stokes' integral, is computed for Australia from available gravity data. The set of anomalies used to represent the outer zones had been obtained previously using a combined solution from satellite data and terrestrial gravimetry. The solutions so obtained for the free air geoid are compared with the astrogeodetic determination of the geoid on the Australian Geodetic Datum by Fischer and Slutsky and the accuracy of the comparisons is estimated.
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