00697naa#a2200181#i#450# EN\INFRA-M\bibl\104611 20260713044819.1 2712-9640 20260610b2026####ek#y0engy0150####ca RU Seasonal variations in daily maximum of electron density in the F2 ionospheric layer depending on solar activity according to the Tomsk ionospheric station data Journal article Moscow INFRA-M Academic Publishing LLC. 2026 6 с. Journal article local Ионосфера и термосфера. 551.510.535 Kolesnik Sergey Anatol'evich Borisevich Alexei Nikolaevich zh-szf.ru