1. Mechanical Engineering Department and Center for Space Physics; Boston University; Boston Massachusetts USA
2. Institute for the Study of Earth, Oceans, and Space; University of New Hampshire; Durham New Hampshire USA
3. Planetary Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
4. AOSS; University of Michigan; Ann Arbor Michigan USA
5. Heliophysics Division; NASA Goddard Space Flight Center; Greenbelt Maryland USA
6. Space Sciences Laboratory; University of California; Berkeley California USA
7. Henry A. Rowland Department of Physics and Astronomy; The Johns Hopkins University; Baltimore Maryland USA