TY - JOUR T1 - Methods for determining the perturbations in VLF  in the Earth-ionosphere waveguide and TEC for ionospheric monitoring of catastrophic events in the Lithosphere-Atmosphere-Ionosphere-Magnetosphere (LAIM) system UR - http://dx.doi.org/10.5194/egusphere-egu21-6412 PY - 2021/03/04 AU - Rapoport Y AU - Reshetnyk V AU - Grytsai A AU - Liashchuk A AU - Ivchenko V AU - Fedorenko A AU - Hayakawa M AU - Grimalsky V AU - Petrishchevskii S AU - Fedun V ED - DO - DOI: 10.5194/egusphere-egu21-6412 Y2 - 2024/09/20 ER -