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Wang, F.; Ou, M.; Zhu, Q.; Li, J.; Zhang, Q.; Zhang, Y.; Chen, L.; Chong, X. Ionospheric FoF2 Prediction Using an Interpretable XGBoost Model and COSMIC‑1 and 2 Radio Occultation Data. Ann. Geophys. 2026, 69 (2), SA221. https://doi.org/10.4401/ag-9468.