Finnish Meteorological Institute Space Physics Program, P.O. Box 503, Helsinki, 00101, Finland
University of California, Los Angeles Institute of Geophysics and Planetary Physics, 3845 Slichter Hall 603 Charles E. Young Dr., Los Angeles, CA 90095-1567, USA
University of California, Los Angeles Institute of Geophysics and Planetary Physics, 3845 Slichter Hall 603 Charles E. Young Dr., Los Angeles, CA 90095-1567, USA
University of California, Los Angeles Institute of Geophysics and Planetary Physics, 3845 Slichter Hall 603 Charles E. Young Dr., Los Angeles, CA 90095-1567, USA
Augsburg College, 2211 Riverside Avenue South, Minneapolis, MN 55454, USA
Augsburg College, 2211 Riverside Avenue South, Minneapolis, MN 55454, USA
Finnish Meteorological Institute Space Physics Program, P.O. Box 503, Helsinki, 00101, Finland
GSFC/NASA, NASA/GSFC Code 674, Greenbelt, MD 20071, USA
Danish Meteorological Institute Geomagnetism & Space Physics Program, Lyngbyvej 100, Copenhagen, DK-2100, Denmark
Space Sciences Lab University of California, Berkeley, 7 Gauss Way, Berkeley, CA 94720-7450, USA
Space Sciences Lab University of California, Berkeley, 7 Gauss Way, Berkeley, CA 94720-7450, USA