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Topside ionospheric tomography exclusively based on LEO POD GPS carrier phases: application to autonomous LEO DCB estimation
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-08)
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This paper presents a novel technique to estimate DCBs from GPS transmitters and receivers on-board Low Earth Orbit (LEO) satellites. The technique consists of obtaining the DCBs as residuals from the difference between ...
A New way of estimating the spatial and temporal components of the vertical total electron content gradient based on UPC-IonSAT global ionosphere maps
(2022-02)
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The determination of the ionospheric perturbation degree is essential to describe the ionosphere state for space weather monitoring. A new method for estimating the spatial and temporal components of the Vertical Total ...
Power-law distribution of rapid ionosphere electron content fluctuations via GNSS measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
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The ionosphere is a dynamic region of the Earth’s upper atmosphere that exhibits various fluctuations in electron density. These fluctuations can be estimated using measurements from the global navigation satellite system ...
Real-time interpolation of global ionospheric maps by means of sparse representation
(2021-06-12)
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In this paper, we propose a method for the generation of real-time global ionospheric map (RT-GIM) of vertical total electron content (VTEC) from GNSS measurements. The need for interpolation arises from the fact that the ...
The cooperative IGS RT-GIMs: a reliable estimation of the global ionospheric electron content distribution in real time
(2021-09-23)
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The Real-Time Working Group (RTWG) of the International GNSS Service (IGS) is
dedicated to providing high-quality data and high-accuracy products for Global
Navigation Satellite System (GNSS) positioning, navigation, ...
Ionospheric storm scale index based on high time resolution UPC-IonSAT global ionospheric maps (IsUG)
(2021-11)
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The ionospheric storms have adverse effects on the radio communications, satellite communications and also the Global Navigation Satellite Systems (GNSS) application. A new Ionospheric storm Scale from Universitat Politècnica ...
Real-time tomographic inversion of truncated ionospheric GNSS radio occultations
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-19)
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This paper presents a new way of combining Abel inversion and the Chapman model with a linearly increasing scale height to retrieve ionospheric electron density vertical profiles from truncated-sounding radio-occultation ...
Ionospheric response to the 2020 Samos earthquake and tsunami
(Springer, 2024-01-19)
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On 30 October 2020 at 11:51 UT, a magnitude 7.0 earthquake occurred in the Dodecanese sea (37.84°N, 26.81°E, 10 km depth) and generated a tsunami with an observed run-up of more than 1 m on the Turkish coasts. Both the ...
Systematic detection of anomalous ionospheric perturbations above LEOs from GNSS POD Data including possible tsunami signatures
(Institute of Electrical and Electronics Engineers (IEEE), 2022-06-13)
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In this article, we show the capability of a global navigation satellite system (GNSS) precise orbit determination (POD) low Earth orbit (LEO) data to detect anomalous ionospheric disturbances in the spectral range of the ...