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On the variabilities of the Total Electron Content (TEC) over the Indian low latitude sector
Advances in Space Research, 2012Abstract The Total Electron Content (TEC) from four locations in the Indian sector namely, Trivandrum (8.47°N, 76.91°E, Geomag.0.63°S, 0.3° dip), Waltair (17.7° N, 83.3°E, Geomag. 6.4°N, 20° dip), Bhopal (23.28°N, 77.34°E, Geomag.14.26°N, 33.2° dip), and Delhi (28.58°N, 77.21°E, Geomag.19.2°N, 43.4° dip) during a low sunspot year of 2004 are used to ...
Karnam Venkaṭesh, K Niranjan
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Ionospheric Correction for MARSIS on Mars Express and Total Electron Content (TEC) Estimation
, 2007 MARSIS surface echoes need a ionospheric correction because the two-way travel through the ionosphere defocuses the signal. This process provides also a powerful tool to study the ionosphere and more particularly the Total Electron Content (TEC).
Mouginot, Jeremie +3 more
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Estimation of ionospheric total electron content (TEC) from GNSS observations
2023exaly +2 more sources
Construction of LSTM model for total electron content (TEC) prediction in Thailand
2021 18th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 2021Total electron content (TEC) is an important parameter often used to explain the ionosphere characteristics and disturbances. Severe local disturbance often originates in the equatorial region then expand to low- and mid-latitude regions. Vertical TEC (VTEC as well as slant TEC (STEC) modeling’s and predictions attract attention from researchers ...
Pathorn Chimsuwan +3 more
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Bidirectional LSTM for ionospheric vertical Total Electron Content (TEC) forecasting
2017 IEEE Visual Communications and Image Processing (VCIP), 2017The ionosphere is a region over earth's atmosphere which is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere, furthermore, it has practical importance for its effects on radio propagation to earth.
Wenqing Sun +5 more
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Determination of total electron content (TEC) due to location in Malaysia
2013 IEEE 4th Control and System Graduate Research Colloquium, 2013This paper studied the TEC values for Malaysia regions, a few location of GPS receiver stations were chosen.. The transmitted GPS signals must propagate through the ionosphere layer at the atmosphere before reaching the surface. The ionosphere layer can cause the effect of the GPS due to the electron density at this layer.
Norsuzila Ya'acob +3 more
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Forecasting of ionospheric vertical total electron content (TEC) using LSTM networks
2017 International Conference on Machine Learning and Cybernetics (ICMLC), 2017Ionosphere is an important space environment near the earth. Its disturbance would result in severe propagation effects to radio information system, thus causing bad influences on communication, navigation, radar and so on. The total electron content (TEC) is an important parameter to present the disturbance of ionosphere, so TEC forecast is very ...
Wenqing Sun +6 more
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TEC (Total Electron Content) Models
1989Abstract : Models of the ionosphere were developed and utilized to evaluate Total Electron Content for various specified transmission paths from the ground into space. Keywords: Ionosphere; Total electron content.
null Peter +3 more
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Improving Total Electron Content (TEC) Models for Geodetic Applications
2020<p>Increasing the quality of ionosphere modeling is crucial and remains a challenge for many geodetic applications such as GNSS Precise Point Positioning (PPP) and navigation. Ionosphere models are the main tool to provide an estimation of Total Electron Content (TEC) to be corrected from GNSS career phase and pseudorange ...
Mona Kosary +3 more
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Estimation of total electron content (TEC) using spaceborne GPS measurements
The Journal of the Astronautical Sciences, 2008TerraSAR-X (TSX), a high-resolution interferometric Synthetic Aperture Radar (SAR) mission from DLR (German Aerospace Center, Deutsches Zentrum fur Luft-und Raumfahrt), was successfully launched into orbit on June 15, 2007. It includes a dual-frequency GPS receiver called IGOR (Integrated GPS Occultation Receiver), which is a heritage NASA/JPL ...
Key-Rok Choi, E. Glenn Lightsey
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