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De Teixeira Da Encarnação, J. (author), Visser, P.N.A.M. (author), Arnold, Daniel (author), Bezdek, Ales (author), Doornbos, E.N. (author), Ellmer, Matthias (author), Guo, Junyi (author), van den IJssel, J.A.A. (author), Iorfida, E. (author)Although the knowledge of the gravity of the Earth has improved considerably with CHAMP, GRACE, and GOCE (see appendices for a list of abbreviations) satellite missions, the geophysical community has identified the need for the continued monitoring of the time-variable component with the purpose of estimating the hydrological and...journal article 2020
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van den IJssel, J.A.A. (author), Doornbos, Eelco (author), Iorfida, E. (author), March, G. (author), Siemes, C. (author), Montenbruck, Oliver (author)After the detection of many anomalies in the Swarm accelerometer data, an alternative method has been developed to determine thermospheric densities for the three-satellite mission. Using a precise orbit determination approach, non-gravitational and aerodynamic-only accelerations are estimated from the high-quality Swarm GPS data. The GPS...journal article 2020
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- March, G. (author), Visser, T. (author), Doornbos, E.N. (author), Iorfida, E. (author), van den IJssel, J.A.A. (author), Visser, P.N.A.M. (author) poster 2018