TY JOUR TI Electromagnetic pollution of near-Earth space by power line emission KW power line emission KW ELF radiation KW geomagnetically induced currents KW low-orbit satellites JO Solar-Terrestrial Physics AU Пилипенко, В.А. AU Федоров, Е.Н. AU Мазур, Н.Г. AU Климов, С.И. PY 2021 IS 7 PB Институт солнечно-земной физики СО РАН