GPS single-frequency orbit determination for low Earth orbiting satellites |
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| Authors: | H Bock A Jäggi R Dach S Schaer G Beutler |
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| Institution: | 1. Astronomical Institute, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland;2. Federal Office of Topography, cwisstopo, Seftigenstrasse 264, CH-3084 Wabern, Switzerland |
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| Abstract: | The determination of high-precision orbits for Low Earth Orbiting (LEO) satellites (e.g., CHAMP, GRACE, MetOp-A) is based on dual-frequency tracking data from on-board GPS (Global Positioning System) receivers. The two frequencies allow it to eliminate the first order ionosphere effects. Data screening and precise orbit determination (POD) procedures are optimized under the assumption of the availability of two frequencies. |
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| Keywords: | GPS Single-frequency Low Earth Orbiters Precise orbit determination Ionosphere modeling |
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