Douglas E. Rowland¹, Joran Moen², Robert F Pfaff Jr³, James H Clemmons⁴, Andres Spicher⁵, Henry T Freudenreich¹, Fred Sigernes⁶, Kjellmar Oksavik⁷, James H Hecht⁸, Michael R Collier³, John W Keller⁹, Jason L. McLain¹⁰, Matthew D Zettergren¹¹, Jeffrey Klenzing¹, Larry Kepko¹⁰ and Mark Lester¹², (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)University of Oslo, Oslo, Norway, (3)NASA/GSFC, Greenbelt, MD, United States, (4)University of New Hampshire, Durham, NH, United States, (5)University of Oslo, Department of Physics, Oslo, Norway, (6)University Centre in Svalbard, Longyearbyen, Norway, (7)University of Bergen, Bergen, Norway, (8)The Aerospace Corp, Los Angeles, CA, United States, (9)Code 691 SSED, Greenbelt, MD, United States, (10)NASA GSFC, Greenbelt, MD, United States, (11)Embry-Riddle Aeronautical University, Daytona Beach, FL, United States, (12)Univ Leicester, Leicester, United Kingdom