William K Peterson¹, Laila Andersson², James Webster³, Edward Thiemann⁴, Marcin Pilinski⁴, Scott A Thaller⁵, Christopher M Fowler⁶, David Mitchell⁶, Mehdi Benna⁷, Roger V Yelle⁸ and Shane Stone⁸, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, United States, (3)University of Colorado, Boulder, CO, United States, (4)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (5)University of Minnesota, School of Physics and Astronomy, Minneapolis, MN, United States, (6)Space Sciences Laboratory, University of California Berkeley, Berkeley, CA, United States, (7)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (8)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States