Supertyphoon Hagibis action in the ionosphere on 6–13 October 2019: Results from multi-frequency multiple path sounding at oblique incidence

LF Chernogor, KP Garmash, Q Guo… - Advances in Space …, 2021 - Elsevier
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 …

Ionospheric storm effects over the People's Republic of China on 14 May 2019: Results from multipath multi-frequency oblique radio sounding

LF Chernogor, KP Garmash, Q Guo, Y Luo… - Advances in Space …, 2020 - Elsevier
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 …

Disturbances in the ionosphere and distortion of radio wave characteristics that accompanied the super typhoon Lekima event of 4–12 August 2019

Y Zheng, LF Chernogor, KP Garmash… - Journal of …, 2022 - Wiley Online Library
We acquired measurements of four observable parameters of refracted signals received
from the ionosphere (Doppler shift, Doppler spectrum, number of rays, and signal amplitude) …

Ionospheric effects of the Kamchatka meteoroid: Results from multipath oblique sounding

Y Luo, LF Chernogor, KP Garmash, Q Guo… - Journal of Atmospheric …, 2020 - Elsevier
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 …

[PDF][PDF] Ionospheric processes observed with the passive oblique-incidence HF Doppler radar

Q Guo, Y Zheng, LF Chernogor… - Bulletin of Karazin …, 2019 - irbis-nbuv.gov.ua
Ionospheric processes observed with the passive oblique-incidence HF Doppler radar Page 4
Вісник Харківського національного університету імені ВН Каразіна. 3 Серія «Радіофізика …

Disturbances in the ionosphere that accompanied typhoon activity in the vicinity of China in September 2019

LF Chernogor, KP Garmash, Q Guo… - Radio …, 2022 - ieeexplore.ieee.org
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 …

Dynamic processes in the magnetic field and in the ionosphere during the 30 August–2 September, 2019 geospace storm

Y Luo, L Chernogor, K Garmash… - Annales …, 2020 - angeo.copernicus.org
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 …

Software-defined radio-based HF doppler receiving system

H Nakata, K Nozaki, Y Oki, K Hosokawa… - Earth, Planets and …, 2021 - Springer
High-frequency Doppler (HFD) sounding is one of the major remote sensing techniques
used for monitoring the ionosphere. Conventional systems for HFDs mainly utilize analog …

[PDF][PDF] HF radio-wave characteristic variations over China during moderate earthquake in Japan on September 5, 2018

Y Luo, Q Guo, Y Zheng, KP Garmash… - ХАРКІВСЬКОГО …, 2019 - irbis-nbuv.gov.ua
Results. The response of the ionosphere to a moderate earthquake was observed and
studied. The delay time of the assumed response and the apparent speed of propagation of …

Geospace storm effects on August 5—6, 2019

Y Luo, KP Garmash, LF Chernogor, S Shulga… - Космическая наука и …, 2021 - elibrary.ru
Geospace storms are the synergistically interacting magnetic storms, ionospheric storms,
atmospheric storms, and the storms in an electric field of magnetospheric, ionospheric, and …