%0 Journal Article %T Natural electromagnetic oscillations in 4–12 Hz frequency range as measured by SWARM satellites and CARISMA magnetometer network %A Ягова, Н.В. %A Федоров, Е.Н. %A Пилипенко, В.А. %A Мазур, Н.Г. %K ionosphere, geomagnetic pulsations, MHD waves %J Solar-Terrestrial Physics %D 2023 %N 9 %P 8 %I Институт солнечно-земной физики СО РАН