%0 Journal Article %T HF radio channel modeling by a waveguide approach %A Kurkin, V.I. %A Ilyin, N.V. %A Penzin, M.S. %A Ponomarchuk, S.N. %A Khakhinov, V.V. %K radio wave propagation, radio channel, waveguide approach, simulation, ionosphere sounding %J Solnechno-Zemnaya Fizika %D 2023 %N 9 %P 12 %I Institute of Solar-Terrestrial Physics SB RAS