1. Faculty of Physics, Department of Physics of EarthSt. Petersburg State University St. Petersburg Russia
2. Research Institute for Space MedicineFederal Research Clinical Center of Federal Biomedical Agency of Russia Moscow Russia
3. Lebedev Physical InstituteRussian Academy of Science Moscow Russia
4. PMOD/WRC and IAC ETHZ Davos Dorf Switzerland
5. Western Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Waves PropagationRussian Academy of Sciences Kaliningrad Russia
6. Ioffe Physical‐Technical Institute St. Petersburg Russia
7. Space Climate Research UnitUniversity of Oulu Finland
8. Sodankylä Geophysical Observatory Oulu Finland