Modeling Post-Sunset Equatorial Spread-F Occurrence as a Function of Evening Upward Plasma Drift Using Logistic Regression, Deduced from Ionosondes in Southeast Asia. - Prayitno Abadi; Umar Ali Ahmad; Yuichi Otsuka; Punyawi Jamjareegulgarn; Dyah Rahayu Martiningrum; Agri Faturahman; Septi Perwitasari; Randy Erfa Saputra; Reza Rendian Septiawan (Remote. Sens., 2022)

An Extreme Value Analysis of Long-Term GNSS Ionospheric Total Electron Content Data Observed at Japan Grid Point Location (34.95° N and 134.05° E). - Suneetha Emmela; Devanaboyina Venkata Ratnam; Yuichi Otsuka; Atsuki Shinbori; Takuya Sori; Michi Nishioka; Septi Perwitasari (IEEE Geosci. Remote. Sens. Lett., 2023)

Statistical Analysis of Global and Regional Ionospheric Total Electron Content (TEC) Using Extreme Value Distributions. - Suneetha Emmela; Devanaboyina Venkata Ratnam; Yuichi Otsuka; Atsuki Shinbori; Takuya Sori; Michi Nishioka; Septi Perwitasari (IEEE Trans. Geosci. Remote. Sens., 2024)