Zakharenkova, I. et al. 2026. A Comparative Study of Equatorial Ionospheric Irregularities Occurrence in the European/African Sector during the main phases of the 10‑11 May 2024 and 10‑11 October 2024 Geomagnetic Storms. Annals of Geophysics. 69, (Jul. 2026). DOI:https://doi.org/10.4401/ag-9525.