1. Space Sciences Laboratory University of California Berkeley California USA
2. Department of Mechanical Engineering and Center for Space Physics Boston University Boston Massachusetts USA
3. Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg Virginia USA
4. Heliophysics Division NASA Goddard Space Flight Center Greenbelt Maryland USA
5. Goddard Planetary and Heliophysics Institute University of Maryland, Baltimore County Baltimore Maryland USA