00722naa#a2200193#i#450# EN\INFRA-M\bibl\122587 20260902224405.3 2500-0535 20260610b2026####ek#y0engy0150####ca ENG 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 5 с. Journal article local Ионосфера и термосфера. 551.510.535 ENG Kolesnik Sergey Anatol'evich Borisevich Alexei Nikolaevich zh-szf.ru