Solar Cycle Variations of the Ionospheres of Venus and Mars

Kerrin Hensley1, Paul Withers1, Zachary Girazian2, Martin Paetzold3, Silvia Tellmann4 and Bernd Häusler5, (1)Boston University, Boston, MA, United States, (2)University of Iowa, Physics and Astronomy, Iowa City, IA, United States, (3)Universitaet Koeln, Koeln, Germany, (4)University of Cologne, Cologne, Germany, (5)Bundeswehr University Munich, Institute of Space Technology and Space Applications, Munich, Germany