Longitudinal variations in equatorial ionospheric TEC from GPS, global ionosphere map and international reference ionosphere-2016 during the descending and …

A Ogwala, OJ Oyedokun, O Ogunmodimu, AO Akala… - Universe, 2022 - mdpi.com
Research on longitudinal discrepancies in local ionospheric variability, especially in
equatorial and low-latitude regions, is a focal point of interest for the space weather …

Low-latitude ionospheric response from GPS, IRI and TIE-GCM TEC to Solar Cycle 24

SS Rao, M Chakraborty, S Kumar, AK Singh - Astrophysics and Space …, 2019 - Springer
In the present study inter-comparison of Total Electron Content (TEC) derived from the
Global Positioning System, the International Reference Ionosphere (IRI-2016) model and …

Analysis of GPS-TEC and IRI model over equatorial and EIA stations during solar cycle 24

SK Chaurasiya, K Patel, S Kumar, AK Singh - Advances in Space …, 2023 - Elsevier
Abstract Total Electron Content (TEC) measurements provided by Global Positioning System
(GPS) as well as the International Reference Ionosphere–2016 model (IRI01-Corr, IRI-2001 …

Equatorial Ionospheric Anomaly (EIA) and comparison with IRI model during descending phase of solar activity (2005–2009)

S Kumar, AK Singh, J Lee - Advances in Space Research, 2014 - Elsevier
The ionospheric variability at equatorial and low latitude region is known to be extreme as
compared to mid latitude region. In this study the ionospheric total electron content (TEC), is …

Characteristics of low‐latitude TEC during solar cycles 23 and 24 using global ionospheric maps (GIMs) over Indian sector

N Dashora, S Suresh - Journal of Geophysical Research …, 2015 - Wiley Online Library
The characteristics of quiet time equatorial and low‐latitude total electron content over the
Indian sector using global ionospheric map (GIM) data (1998–2014) are obtained filtering …

GPS TEC near the crest of the EIA at 95 E during the ascending half of solar cycle 24 and comparison with IRI simulations

PK Bhuyan, R Hazarika - Advances in Space Research, 2013 - Elsevier
Total electron content (TEC) data obtained from GPS dual frequency measurements during
the ascending half of the solar cycle 24 from 2009 to 2012 over Dibrugarh (27.5° N, 94.9° E; …

GPS derived TEC and foF2 variability at an equatorial station and the performance of IRI-model

SJ Adebiyi, OO Odeyemi, IA Adimula… - Advances in Space …, 2014 - Elsevier
The ionosphere induces a time delay in transionospheric radio signals such as the Global
Positioning System (GPS) signal. The Total Electron Content (TEC) is a key parameter in the …

A machine learning approach for total electron content (TEC) prediction over the northern anomaly crest region in Egypt

W Rukundo, K Shiokawa, A Elsaid, OA AbuElezz… - Advances in Space …, 2023 - Elsevier
In this paper, we developed an empirical model for predicting Total Electron Content (TEC)
on a single station receiver located within the equatorial anomaly crest region at Helwan …

An empirical orthogonal function study of the ionospheric TEC predicted using the TIEGCM model over the South Atlantic anomaly in 2002 and 2008

J Yu, Z Li, Y Wang, J Shao, L Wang, J Li, H Zhang… - Universe, 2023 - mdpi.com
In this study, the variability of the ionospheric total electron content (TEC) in the South
Atlantic Anomaly (SAA) in the solar maximum of 2002 and the solar minimum of 2008 were …

Daytime ionospheric TEC weather study over Latin America

E Romero‐Hernandez, CM Denardini… - Journal of …, 2018 - Wiley Online Library
The present work is the first of a two‐part weather study of the ionospheric Total Electron
Content (TEC), based on data collected by four ground‐based Global Navigation Satellite …