%0 Journal Article %T Features of backscatter ionospheric sounding as studied with a chirp ionosonde %A Ponomarchuk, S.N. %A Kurkin, V.I. %A Penzin, M.S. %K ionosphere, ionogram, radio wave propagation, backscatter ionospheric sounding %J Solar-Terrestrial Physics %D 2017 %N 3 %P 6 %I INFRA-M Academic Publishing LLC.