Aerospace Corporation

J. B. Blake, M. Looper, K. L. Lorentzen, D. Mabry, J. Mazur, R. Selesnick

California Institute of Technology

A. Cummings, R. Leske, R. Mewaldt, E. Stone

LASP, University of Colorado

D. N. Baker, S. G. Kanekal, Xinlin Li

Max Planck Institute, Garching

D. Hovestadt, B. Klecker, M. Scholer

NASA Goddard Space Flight Center

T. Von Rosenvinge

NASA Langley Research Center

L. B. Callis, J. Lambeth

University of Maryland

G. M. Mason

Washington University

J. Cummings