1. Department of Atmospheric and Oceanic Sciences University of California at Los Angeles Los Angeles CA USA
2. United States Air Force Research Laboratory Albuquerque NM USA
3. Department of Earth, Planetary, and Space Sciences University of California at Los Angeles Los Angeles CA USA
4. Space Research Institute RAS Moscow Russia
5. Center for Space Physics Boston University Boston MA USA
6. Solar‐Terrestrial Environment Laboratory Nagoya‐Shi Japan
7. Institute of Applied Physics Russian Academy of Sciences Nizhny Novgorod Russia
8. Polar Geophysical Institute Apatity Russia