%0 Journal Article %T Technique of ionospheric parameters automatic determination from data of vertical sounding with a continuous chirp signal %A Ponomarchuk, S.N. %A Grozov, V.P. %K radio wave propagation, ionospheric vertical sounding, ionogram, electron density profile, chirp signal %J Solar-Terrestrial Physics %D 2026 %N 12 %P 8 %I INFRA-M Academic Publishing LLC.