%0 Journal Article %T Analysis of helio- and geophysical events in October–November 2021 from comprehensive observations of SHICRA SB RAS %A Kozlov, V.I. %A Starodubtsev, S.A. %A Grigoryev, V.G. %A Baishev, D.G. %A Makarov, G.A. %A Pavlov, E.A. %A Karimov, R.R. %A Korsakov, A.A. %A Stepanov, A.E. %A Koltovskoi, I.I. %A Ammosov, P.P. %A Gavrilieva, G.A. %A Ievenko, I.B. %K solar flare, magnetic storm, Forbush decrease, aurora, auroral arc, neutron monitor, ionosonde, riometer, receiver of VLF radio noise and signals from navigation radio stations, magnetometers %J Solnechno-Zemnaya Fizika %D 2025 %N 11 %P 20 %I INFRA-M Academic Publishing LLC.