The purpose of the present paper is to describe the observations of the variations in the
parameters of HF radio waves propagating through the ionosphere when the action of the …

Results obtained from observations of ionospheric disturbances over the People's Republic
of China during the course of the geospace storm of 14 May 2019, one of the largest storms …

The dynamic evolutions of the noon ionospheric Equatorial Ionization Anomaly (EIA) owing
to the 2022 Tonga volcanic eruption were investigated using the ionospheric plasma …

We acquired measurements of four observable parameters of refracted signals received
from the ionosphere (Doppler shift, Doppler spectrum, number of rays, and signal amplitude) …

This paper presents the results of radio observations of ionospheric disturbances associated
with the fall of a meteoroid (unique in its initial energy of 173 kt TNT equivalent) off the east …

The Harbin Engineering University, the People's Republic of China, multifrequency multiple-
path coherent radio system operates continuously and provides data for post analysis. The …

Ionospheric processes observed with the passive oblique-incidence HF Doppler radar Page 4
Вісник Харківського національного університету імені ВН Каразіна. 3 Серія «Радіофізика …

We have acquired HF Doppler measurements and studied the dynamics of the ionosphere
in the∼ 100–300 km altitude range during the 1–10 September 2019 period of typhoon …

Back at the end of the last century, LF Chernogor validated the concept that geospace
storms are comprised of synergistically coupled magnetic storms, ionospheric storms …

An earthquake is a seismic event resulting from a sudden release of energy in the
lithosphere, which produces waves that can propagate through the atmosphere into the …