%0 Journal Article %T Electron density in the polar F region ionosphere during solar minimum: modeling, radar and ionosonde observations %A Lukianova, R.. %A Kozlovsky, A.. %K Polarš¹region ionosphere, numerical modeling, plasma density, EISCAT radar, SGOionosonde %J Russian Journal of Earth Sciences %D 2020 %N 20 %P 15 %I Geophysical Center of the Russian Academy of Sciences