Ionospheric total electron content
Temporal Variation of Ionospheric Scintillation in Relation with Ionospheric Total Electron Content (TEC) over Ethiopia
... vertical total electron content (VTEC) has a maximum value during the day time after sunset the TEC value ...of ionospheric scintillation intensity index March, April, February, September– ...
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Monitoring the ionospheric total electron content variations over the Korean Peninsula using a GPS network during geomagnetic storms
... the ionospheric TEC over the Korean Peninsula by using Korean GPS Network (KGN) data for 4 and 20 November, ...This ionospheric model is based on a two-dimensional ...dimensional ionospheric map of ...
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Comparison of simultaneous variations of the ionospheric total electron content and geomagnetic field associated with strong earthquakes
... ing these heights can be transformed into shock waves (Ro- manova, 1975). Thus, the GPS method, based on phase measurements, works quite well with atmospheric energy releases associated with large-scale atmospheric ...
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Comparison of Global Vertical Total Electron Content from Various Global Data Centers
... of Ionospheric Total Electron Content Measurements with IRI-2012 Model Predictions Over Athens, Iraqi Journal of Science, Vol 56, ...2004, Total electron content – A key ...
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The Calculation and Analysis of the Total Electron Content Over Different Latitudes and Seasons Using the Numerical Trapezoidal and Simpson Methods
... 5. Rajkumar H, Shyamal KC, Bruce TT, Ashish DG, Ezequiel E, Christiano GM, et al. An empirical model of ionospheric total electron content (TEC) near the crest of the equatorial ionization ...
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An experiment of predicting Total Electron Content (TEC) by fuzzy inference systems
... situation can be regarded as one of the weakness of the pro- posed method. The input data range is an important param- eter in FIS predictions. However, the mentioned method gave reasonable predictions in the scope of ...
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Delayed response of the global total electron content to solar EUV variations
... the frequently used F10.7 (solar radio flux at 10.7 cm) in- dex measured by the National Research Council of Canada (NRCC, 2014), proxies based on solar EUV, like E10.7 (To- biska, 2001) are used to characterize the ...
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L band scintillations and calibrated total electron content gradients over Brazil during the last solar maximum
... the ionospheric irregular- ities tend to elongate along the magnetic meridian, therefore ...different ionospheric parameters from GBSC for winter ...
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Questions on Optimization of Measurement of Total Electron Content in Ionosphere with GPS
... of total error of positioning using ...of ionospheric electrons can be featured and taken account by carrying out double frequency measurements, signed as GPS L 1 and L 2 ...
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The correlation between total electron content variations and solar activity
... the ionospheric dependent frequency time delay in the navigation ...pervasive ionospheric TEC study, it attracts many researchers to explore this study into ...exploring ionospheric TEC globally ...
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Interpolation and mapping of the total electron content over the Malaysian region
... the ionospheric effect are those which are directly related to satellite signal transmission system, such as navigational satellite operators example U.S. Global Positioning System (GPS), Russian Navigational ...
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GPS detection of total electron content variations over Indonesia and Thailand following the 26 December 2004 earthquake
... an electron density perturbation of ∼25% from the background electron density, as shown in the top ...The electron density is integrated from 200 km to 600 km altitude to obtain the vertical TEC ...
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Variations of f oF2 and GPS total electron content over the Antarctic sector
... Several empirical models for the middle and high lati- tude F -region exist. One of them is the International Ref- erence Ionosphere (IRI) model (Bilitza, 2001; Bilitza and Reinisch, 2008). It was formulated by the ...
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Determination of Total Electron Content at Equatorial Region—Thailand Using Radio Occultation Technique
... the total electron content (TEC) which is a major challenge to space and related industries, most especially in an equatorial region like Thailand within the geographical latitude 07˚35'N - ...and ...
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High resolution vertical total electron content maps based on multi scale B spline representations
... main ionospheric impact is the influence of free electrons on radio wave ...The ionospheric influence on radio waves is twofold: the signal travel times are changed (delay) and the signal paths are modified ...
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Emergence of a localized total electron content enhancement during the severe geomagnetic storm of 8 September 2017
... In order to look for comparable LTEs in a similar geomag- netic storm category, the author turned to the G4 geomag- netic storm that occurred during St. Patrick’s Day in 2015 which has been thoroughly studied (Astafyeva ...
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Global sounding of F region irregularities by COSMIC during a geomagnetic storm
... topside ionospheric irreg- ularities (above the LEO orbit) were retrieved by using in situ data of LEO satellites (Zakharenkova and Astafyeva, ...of total electron content along the GPS-LEO ...
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Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers
... the Ionospheric effect on radio wave propagation mentioned in the previous subsection is often ...three-dimensional electron density profile as a function of height (h) over the signal path from the GPS ...
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Neural network based tomographic approach to detect earthquake-related ionospheric anomalies
... of electron density in the ...the ionospheric tomography with which to investigate the detailed structure that may be associated with ...the Total Electron Content (TEC) have been ...
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A new technique for mapping of total electron content using GPS network in Japan
... the total number of electrons, called total electron content (TEC), along a ray path from GPS satellite to ...for electron contents based on the IRI-95 ...with ionospheric TEC ...
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