1. Space Research Institute Austrian Academy of Sciences Graz Austria
2. Universität Graz Institut für Physik Universitätsplatz 5 Graz Austria
3. Krimgen LLC Hiroshima Japan
4. Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
5. Institute of Earth Physics and Space Science ELRN Sopron Hungary
6. Department of Physics and Astronomy Dartmouth College Hanover NH USA
7. Institut für Geophysik und extraterrestrische Physik TU Braunschweig 38106 Braunschweig Germany
8. Department of Physics Imperial College London London UK
9. Los Alamos National Laboratory Los Alamos NM USA