Terrestrial, Atmospheric and Oceanic Sciences, 2021 A total solar eclipse passed over the continental United States from the west to the east coast on 21 August 2017. Measurements made by more than 2200 groundbased GNSS (Global Navigation Satellite System) receivers observed a significant decrease in ...
Chi-Yen Lin +6 more
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MITIGATOR: GNSS-Based System for Remote Sensing of Ionospheric Absolute Total Electron Content
Universe, 2022 Monitoring the Earth’s ionosphere is an important, fundamental and applied problem. Global Navigation Satellite Systems (GNSS) provide a way of measuring the ionospheric total electron content (TEC), but real-time single-station absolute TEC measurements
Yury V. Yasyukevich +6 more
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A statistical investigation of pre-earthquake ionospheric TEC anomalies
Geodesy and Geodynamics, 2011 Previous researches show that the total electron content (TEC) in the ionospheric exhibits anomalous disturbances a few days or hours prior to earthquakes.
Zhu Fuying, Wu Yun, Zhou Yiyan, Lin Jian
doaj +1 more source
The capability of Artificial Neural Networks as a Model for Predicting Total Electron Content (TEC): A Review [PDF]
, 2023 The results of investigations from a complete analysis of ANN application on Total Electron Content (TEC) prediction are presented in this paper. TEC is important in defining the ionosphere and has many everyday applications, for example, satellite ...
Sulungu, Emmanuel
core +1 more source
Determinations of ionosphere and plasmasphere electron content for an African chain of GPS stations [PDF]
Annales Geophysicae, 2017 The confluence of recent instrumentation deployments in Africa with developments for the determination of plasmasphere electron content using Global Positioning System (GPS) receivers has provided new opportunities for investigations in that region ...
A. J. Mazzella Jr. +2 more
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Seasonal Variations in Global Ionospheric Total Electron Content (TEC) [PDF]
, 2022 As the Sun ionizes atoms and molecules in the Earth’s ionosphere, the region of atmosphere above approximately 100 km in altitude, the created ionization in this region affects many of the systems that we rely on in daily life.
Knudsen, Jason
core
Anomali Total Electron Content (TEC) di Ionosfer Sebagai Prekursor Gempa Bumi di Sumatra [PDF]
, 2021 Anomali Total Electron Content melalui data sinyal radio frekuensi-ganda GPS dapat menunjukkan adanya perubahan aktivitas ionik di ionosfer yang dapat disebabkan oleh badai geomagnetik maupun peristiwa seismo-ionospheric coupling.
Syafda, Rohadatul Aisy +2 more
core +1 more source
GPS Total Electron Content measurements at low latitudes in Brazil for low solar activity [PDF]
Geofísica Internacional, 2004 Variations of ionospheric Total Electron Content (TEC) have been calculated using GPS data at station Presidente Prudente, Brazil (22.1° S; 51.4° W) in 1997, a period of low solar activity. Two hourly TEC averages are presented for the period.
Edvaldo S. da Fonseca Junior +2 more
doaj
Galileo E5 AltBOC Signals: Application for Single-Frequency Total Electron Content Estimations
Remote Sensing, 2021 Global navigation satellite system signals are known to be an efficient tool to monitor the Earth ionosphere. We suggest Galileo E5 AltBOC phase and pseudorange observables—a single-frequency combination—to estimate the ionospheric total electron content
Artem M. Padokhin +5 more
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Reliability Assessment of Multi-Source TEC Maps over Brazil Using Ground Truth Validation
AtmosphereTotal Electron Content (TEC) maps allow the evaluation of the state of the ionosphere. There are many providers/sources of worldwide or regional TEC maps for the continuous monitoring of the ionosphere, which employ different GNSS monitoring networks for
Marco A. de U. Cintra +7 more
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