The Influence of Atmospheric Dust on the Atmosphere and Ionosphere of Mars as seen by the Radio Science Experiments on Mars Express and Mars Global Surveyor

Silvia Tellmann1, Kerstin Peter1, Martin Paetzold2, Bernd Häusler3 and David P Hinson4, (1)University of Cologne, Cologne, Germany, (2)Universitaet Koeln, Koeln, Germany, (3)Universität der Bundeswehr, Institute for Space Technology & Applications, Munich, Germany, (4)SETI Institute, Mountain View, CA, United States