TY JOUR TI Morphology and diagnostic potential of the ionospheric Alfvén resonator KW spectral bands KW ultra low frequency emission KW resonator KW standing Alfvén waves KW harmonic structure KW wave modes KW electron density KW diagnostics JO Solar-Terrestrial Physics AU Potapov, A.S. AU Polyushkina, T.N. AU Tsegmed, B.. PY 2021 IS 7 PB INFRA-M Academic Publishing LLC.