@article{Ponomarchuk2018diagnostics, author={Ponomarchuk, S.N. and Grozov, V.P. and Kotovich, G.V. and Kurkin, V.I. and Penzin, M.S.}, title={Diagnostics of HF radio channel: based on data from backscatter ionospheric sounding by continuous chirp signal}, journal={Solar-Terrestrial Physics}, publisher={INFRA-M Academic Publishing LLC.}, year={2018}, pages={17-23}, volume={4}, issue={2}, }