Effects of the Super Intense Geomagnetic Storm on 10-11 May, 2024 on Total Electron Content at Bhopal

A Jain, R Trivedi, S Jain, RK Choudhary - Advances in Space Research, 2025 - Elsevier
The responses of the ionosphere near the equatorial anomaly crest, as observed at Bhopal
(23.2° N, 77.4° E, GMLAT 14.2° N), India, for super intense geomagnetic storms that …

Characterization of ionospheric irregularities over the equatorial and low latitude Nigeria region

A Ogwala, OJ Oyedokun, AO Akala… - Astrophysics and Space …, 2022 - Springer
Ionospheric irregularity poses severe challenges to the highly dynamic satellite
communication, navigation and tracking operations that rely on transionospheric satellite …

Solar and interplanetary events that drove two CIR-related geomagnetic storms of 1 June 2013 and 7 October 2015, and their ionospheric responses at the American …

OJ Oyedokun, PO Amaechi, AO Akala, KG Simi… - Advances in Space …, 2022 - Elsevier
This study investigates the sequence of solar and interplanetary events that drove the 1
June 2013 and October 2015 geomagnetic storms and how the American (68°–78 o E) and …

[HTML][HTML] Validating the IRI-2020 model for ionospheric storms over the North-east Asian sector induced by extreme geomagnetic storms

JH Kim, YS Kwak - Advances in Space Research, 2024 - Elsevier
We validated and analyzed the effectiveness of the IRI-2020 model with MSIS2. 1 code in
depicting the ionosphereic responses to extreme geomagnetic storms in the Northeast Asian …

Ionospheric response to the extreme 2024 mother's day geomagnetic storm over the Latin American sector

CS Carmo, L Dai, CM Wrasse, D Barros… - Space …, 2024 - Wiley Online Library
Geomagnetic storms affect Earth in various severe ways, including damaging satellites,
disrupting power grids, and inducing prompt penetration electric fields (PPEF) through Joule …

Geomagnetic storm-induced perturbations over Indian equatorial ionosphere

S Haridas, V Rakesh, MG Manoj… - Advances in Space …, 2024 - Elsevier
This study reveals the geomagnetic storm-induced ionospheric perturbations observed over
the near-equatorial Indian stations-Cochin and Changanacherry in 2021. The 205 MHz VHF …

Analysis of ionospheric GPS-TEC on intense geomagnetic storms over the equatorial ionization anomaly region of India during 2015–2020

Ghanshyam, KS Varshney, AS Gautam, K Singh… - Astrophysics and Space …, 2023 - Springer
The total electron content (TEC), also known as ionospheric free charges particles, is an
indicator of electron density that experiences abrupt fluctuations throughout geomagnetic …

Superposed epoch analysis of GPS ionospheric TEC and scintillations over low latitude Indian region during multiple geomagnetic storm events

GV Ramana, M Sridhar, TV Rao, DV Ratnam - Earth Science Informatics, 2025 - Springer
Low-latitude ionospheric irregularities during geomagnetic storms are a significant concern
for global navigation satellite systems (GNSS) because they degrade positional accuracy …

Ionospheric TEC prediction using FFNN during five different X Class solar flares of 2021 and 2022 and comparison with COKSM and IRI PLAS 2017

SC Dass, R Mukesh, M Vijay, S Kiruthiga… - Journal of Applied …, 2024 - degruyter.com
Abstract The Ionospheric Total Electron Content (TEC) measured in the ray path of the
signals directly contributes to the Range Error (RE) of the satellite signals, which affects …

Analysis of Ionospheric TEC Variations Due to X, M & C Class Solar Flares during the Years 2003 to 2018 and Comparison with IRI Models

S Kiruthiga, S Mythili, M Vijay, R Mukesh - Geomagnetism and Aeronomy, 2022 - Springer
Abstract Total Electron Content (TEC) is one of the exciting properties of the Earth's
ionosphere. Analysis done on TEC variation data collected repetitively over longer …