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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/35723

Title: Automated Precision Orbit Determination for TOPEX/Poseidon with GPS
Authors: Wu, S.C.
R.J. Muellerschoen
Bertiger, W.I.
Yunck, T.P.
Bar-Sever, Y.E.
Munson, T.N.
Issue Date: 16-Aug-1993
Citation: Victoria, B.C., Canada
Abstract: A highly automated GPS data processing system for the orbit determination of TOPEX/Poseidon is described. The orbit is recovered to an estimated accuracy of better than 4 cm in altitude, 6 cm crosstrack, and 11 cm down track. The RMS postfit residuals on the ionospherically calibrated carrier phase observable are less than 5 mm. The RMS difference over a 4.5-hour overlap period between two 30-hour data arcs is 1 cm in altitude, 5 cm cross track, and 4 cm down track. These results can be obtained within two days of onboard GPS data collection. Most of the data processing for a 30-hour arc of GPS data can be performed on a single workstation in less than 6 hours of CPU time. The estimation scenarios are explained, the automated data processing steps are described, and means to assess solution quality are discussed.
URI: http://hdl.handle.net/2014/35723
Appears in Collections:JPL TRS 1992+

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