00751naa#a2200217#i#450# EN\INFRA-M\bibl\12989 20241124001509.7 2712-9640 20161220b2016####ek#y0engy0150####ca RUS RU Narrow-band emission with 0.5 to 3.5 Hz varying frequency in the background of the main phase of the 17 March 2013 magnetic storm Journal article Moscow INFRA-M Academic Publishing LLC. 2016 10 с. Journal article local Potapov Alexander Sergeevich Dovbnya Boris Viktorovich Baishev Dmitry Gavrilyevich Polyushkina Tatyana Nikolaevna Rakhmatulin Ravil Anatolyevich zh-szf.ru