Institution: | 1. Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia;2. West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, RAS, 236010 Kaliningrad, Russia;3. Science Institute of the University of Iceland, 107 Reykjavik, Iceland;4. ITMO University, St. Petersburg 197101, Russia;5. Southern Federal University, 344006 Rostov-on-Don, Russia |