V.V. Varenkov1, D.S. Gorkin2, A.D. Smirnov3, T.V. Sahterova4, V.I. Sahterov5

1–5 Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation Russian Academy of Sciences (IZMIRAN) (Moscow, Troitsk, Russia)
1 varenkov@mail.ru; 2 gorkin@izmiran.ru; 3 diman.smirny@yandex.ru; 4 sachter_t@mail.ru; 5 sakhterov@mail.ru

A.A. Averin1, V.V. Antipov2, D.S. Gorkin3

1−3 Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (Moscow, Troitsk, Russia)
1 averin@izmiran.ru, 2 vadim.v.antipov@gmail.com, 3 gorkin@izmiran.ru