TY JOUR TI Diagnostics of the stochastic ionospheric channel in the decameter band of radio waves KW ionosphere KW random irregularities KW fluctuations KW statistical moments KW ray approximation KW radio signal KW decameter band JO Solnechno-Zemnaya Fizika AU Afanasiev, N.T. AU Chudaev, S.O. PY 2020 IS 6 PB INFRA-M Academic Publishing LLC.