A Study of the Density Variations of Mesospheric Ozone in the Case of Ionospheric Perturbation by The “Sura” Facility Radiation with Simultaneous Diagnostics of Ionospheric Plasma

We present the results of microwave observations of atmospheric radiation in the ozone line in the case of ionospheric perturbation by powerful high-frequency radio emission from the “Sura” facility in September 2016. The atmospheric-radiation spectrum in the ozone line was measured by the method of the ground-based microwave radiometry. The state of the lower ionosphere was simultaneously diagnosed in the altitude range 50–130 km using the method of resonant scattering of radio waves by the artificial periodic irregularities of ionospheric plasma. A decrease in the intensity of the microwave atmospheric radiation in the ozone line was observed. The results of measurements of the amplitude and phase of the signal scattered by artificial periodic irregularities demonstrated a perturbation of the parameters of the lower ionosphere when it was heated by high-frequency radiation.