Articles | Volume 40, issue 5
Ann. Geophys., 40, 585–603, 2022
https://doi.org/10.5194/angeo-40-585-2022
Ann. Geophys., 40, 585–603, 2022
https://doi.org/10.5194/angeo-40-585-2022
Regular paper
06 Oct 2022
Regular paper | 06 Oct 2022

Ionospheric effects of the 5–6 January 2019 eclipse over the People's Republic of China: results from oblique sounding

Leonid F. Chernogor et al.

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Short summary
The solar eclipse of 5–6 January 2019 perturbed the ionospheric electron density, N, observed with the receiver at the Harbin Engineering University and 14 HF broadcasting stations ~1 000 km around. It was accompanied by ±1.5 Hz Doppler-spectrum broadening, ±0.5 Hz Doppler shift, fD, variations, 15 min period variations in fD caused by 1.6–2.4 % perturbations in N, and period changes of 4–5 min in fD caused by 0.2–0.3 % disturbances in N. The decrease in N attained ~15 % (vs. modeled 16 %).