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Published in:
2010 | OriginalPaper | Chapter
GGOS-D Integration with Low Earth Orbiters
Authors : Daniel König, Rolf König
Published in: System Earth via Geodetic-Geophysical Space Techniques
Publisher: Springer Berlin Heidelberg
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Abstract
Within GGOS-D the attempts of determining a terrestrial reference frame have been enriched by solutions coming from the integrated approach where the whole GPS constellation in combination with the Low Earth Orbiters CHAMP and GRACE are processed together by dynamic satellite orbit adjustment delivering all relevant parameters within one step. A characterization is given concerning the satellites involved, the data used, and the parameterization. There is clear evidence that the integrated approach produces much more accurate results than a comparable two-step processing as revealed by residuals concerning the Low Earth Orbiters as well as at the example of the dynamic origin. The dynamic origin time series with daily resolution is presented currently exhibiting a precision in the range of a centimetre.