| United States | Europe |
| Aerospace
Corporation Los Angeles California | Hungarian Academy
of Sciences Budapest Hungary |
| Applied
Physics Lab Laurel Maryland | Institutet for Rymdfysik
Umea Sweden |
| Boston University
Boston Massachusetts | Max Planck Institut
Garching Germany |
| Lockheed
Martin Palo Alto California | Max Planck Institut
Lindau Germany |
| Los Alamos
National Lab. Los Alamos New Mexico | Rutherford Appleton
Lab. Chilton Didcot England |
| NASA
Goddard SFC Greenbelt Maryland | St. Patrick's College
Maynooth Ireland |
| Taylor University
Indiana | Swedish Institute of Space Physics
Kirun Sweden |
| University of
California Los Angeles California | University of
Bergen Bergen Norway |
| University
of Colorado Boulder Colorado | University of Leicester
Leicester England |
| Weber State
University Ogden Utah | University of Oulu Oulu Finland |