[SGD01-P03] DORIS: 30 years of success in precise orbit determination and ground station positioning
*Frank G Lemoine1, Guilhem Moreaux2, Jérôme Saunier3, Pascale Ferrage4, Laurent Soudarin2, Koichiro Doi5 (1.NASA Goddard Space Flight Center, Greenbelt, Maryland, U.S.A., 2.Collecte Localisation Satellites, Ramonville Saint-Agne, France, 3.Institut National de l’Information Géographique et Forestière, St-Mandé, France, 4.Centre National d’Etudes Spatiales, Toulouse, France, 5.National Institute of Polar Research, Tachikawa-City, Tokyo, Japan )