00658naa#a2200217#i#450# EN\\bibl\46568 20241231192417.2 1681-1208 20210425b2021####ek#y0engy0150####ca ENG RU Variability of ionospheric TEC at low latitude station,Hyderabad during medium solar activity Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2021 0 с. Journal article local Bhardwaj Shivangi Khan Parvaiz A Manssori Azad A Ahmad Rafi Purohit P K rjes.ru