Vol. 66, No. 1, 2026

Geomagnetism and Aeronomy

Ionospheric Response to Recent Strong Geomagnetic Storm at Low, Mid, and High Latitudes Using GPS-TEC Observations

Devbrat Pundhir p. 1 abstract

Earthquake-Induced Ionospheric TEC Variations Analysis over Indonesia during 2004–2024 and Comparison with Median/NeQuick TEC

R. Mukesh, S. Kiruthiga, S. Karthick, Sarat C. Dass, and P. Priyavarshini p. 11 abstract

Evaluating the Performance of GNSS NTCM-G Ionospheric Broadcast Model over the Indian Low-Latitude Region

Chakali Raja Sekhar and Devanaboyina Venkata Ratnam p. 29 abstract

Ionospheric Disturbance Monitoring during Typhoon Hagibis Based on GNSS G/SBased Joint Technology

Jianfeng Li, Fang Wang, Ding Yang, and Yunhui Xiang p. 41 abstract