1. Institute of Ionosphere Kharkiv Ukraine
2. Department of Physics and AstronomyGeorge Mason University Fairfax VA USA
3. Institute of Atmospheric PhysicsCzech Academy of Sciences Prague Czech Republic
4. Cooperative Institute for Research in Environmental SciencesUniversity of Colorado Boulder Boulder CO USA
5. Space Weather Prediction CenterNational Oceanic and Atmospheric Administration Boulder CO USA
6. W. B. Hanson Center for Space SciencesUniversity of Texas at Dallas Richardson TX USA
7. Institute for Space‐Earth Environmental ResearchNagoya University Nagoya Japan
8. Graduate School of Natural Science and TechnologyKanazawa University Kanazawa Japan
9. Graduate School of ScienceTohoku University Sendai Japan
10. Institute of Space and Astronautical ScienceJapan Aerospace Exploration Agency Tokyo Japan
11. Universitat Politècnica de Catalunya Barcelona Spain