Institution: | (1) Troitsk Institute for Innovation and Thermonuclear Research, Troitsk, Moscow oblast, 142092, Russia;(2) Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, Moscow oblast, 142092, Russia;(3) Institut d'Astrophysique de Paris, CNRS, 98bis Bd. Arago, Paris, 75014, France |