Abstract
Instead of the expansion in spherical harmonics currently used in satellite geodesy, the geopotential in this analysis is represented by the potential of a simple layer distributed over the surface of the earth. Density values of this layer for 48 surface elements have been determined from Baker-Nunn camera observations of 4 satellites for 5 weeks. The solution closely approximates the one for the 1966 Smithsonian Institution Standard Earth and Anderle's solution (1967) based on Doppler data. The rms discrepancy in geoidal heights between those two solutions and the solution of this analysis amounts to ±15.5 m for both cases. Existing gravity anomalies are combined with the solution obtained from the satellite observations. The combination does not markedly differ from the satellite solution because the determination of the geopotential from satellite data is stronger.
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