TY JOUR TI Determination of the vector velocity of artificial ionospheric irregularities based on Doppler measurements by the bi-static scatter method of HF radio signals propagating over long radio paths KW Radio wave propagation KW small-scale artificial ionospheric irregularities KW Doppler observations KW the EISCAT heating facility KW modeling JO Solnechno-Zemnaya Fizika AU Borisova, T.D. AU Blagoveshchenskaya, N.F. AU Kalishin, A.S. AU Kovalev, A.S. PY 2024 IS 10 PB INFRA-M Academic Publishing LLC.