00605naa#a2200205#i#450# EN\\bibl\46870 20240504153727.6 1681-1208 20190225b2019####ek#y0engy0150####ca ENG RU Latitudinal variation of ionospheric TEC at Northern Hemispheric region Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2019 10 с. Journal article local Parwani Mahesh Atulkar Roshni Mukherjee Shweta Purohit P K rjes.ru