1. The Johns Hopkins University Applied Physics Laboratory Laurel Maryland USA
2. Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg Virginia USA
3. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder Colorado USA
4. Department of Physics and Institute for the Study of Earth, Oceans and Space University of New Hampshire Durham New Hampshire USA
5. Japan Aerospace Exploration Agency Tsukuba Japan
6. NOAA Space Weather Prediction Center Boulder Colorado USA
7. Institute for Geophysics and Extraterrestrial Physics Technical University of Braunschweig Braunschweig Germany
8. Yu. G. Shafer Institute of Cosmophysical Research and Aeronomy (IKFIA) Siberian Branch Russian Academy of Sciences Yakutsk Russia
9. Department of Earth and Planetary Science Kyushu University Fukuoka Japan
10. International Center for Space Weather Science and Education Kyushu University Fukuoka Japan