IonSAT - Grup de determinació Ionosfèrica i navegació per SAtèl·lit i sistemes Terrestres
IONSAT té com objectius la investigació, desenvolupament i prototipatge en el camp de la determinació ionosfèrica precisa (com contingut electrònic, ones ionosfèriques, signatures de fulguracions solars, centelleig i senyals relacionats amb sismes), meteorologia espacial, i navegació precisa, basat en sistemes de satèl·lits (com els de navegació global,-GPS, GLONASS, Galileo o Beidou-, i ampliacions com WAAS, EGNOS, MSAS o GAGAN, o altímetres com JASON2)
Investigación, desarrollo y prototipado en el campo de la determinación ionosférica precisa (contenido electrónico total, densidad de número de electrones libres, ondas ionosféricas, signaturas de fulguraciones solares, centelleo, señales relacionadas con seísmos, entre otros), meteorología espacial y navegación precisa, basado en sistemas de satélites (tales como los sistemas de satélites para la navegación global, -GPS, GLONASS, Galileo o Beidou-, sistemas de ampliación como WAAS, EGNOS, MSAS o GAGAN, o altímetros como TOPEX, JASON, JASON2, entre otros).
Research, development and prototyping in the field of precise ionospheric determination (such as the total electron content, electron density, ionospheric waves,solar flare signatures, scintillation, seismic-related signatures, among others), space weather and precise navigation, based on satellite systems (such as Global Navigation Satellite Systems, for example GPS, GLONASS, Galileo and Beidou, augmentation systems such as WAAS, EGNOS, MSAS or GAGAN, or altimeters such as TOPEX, JASON, JASON2, among others).
Research, development and prototyping in the field of precise ionospheric determination (such as the total electron content, electron density, ionospheric waves,solar flare signatures, scintillation, seismic-related signatures, among others), space weather and precise navigation, based on satellite systems (such as Global Navigation Satellite Systems, for example GPS, GLONASS, Galileo and Beidou, augmentation systems such as WAAS, EGNOS, MSAS or GAGAN, or altimeters such as TOPEX, JASON, JASON2, among others).
Col·leccions
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Articles de revista [87]
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Llibres [1]
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Presentacions [1]
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Reports de recerca [29]
Enviaments recents
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Ionospheric response to the 2020 Samos earthquake and tsunami
(Springer, 2024-01-19)
Article
Accés obertOn 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 ... -
Validation of global ionospheric models using long-term observations of pulsar Faraday rotation with the LOFAR radio telescope
(Springer Nature, 2023-12-13)
Article
Accés obertBroad band pulsar radiation can be effectively used to monitor the properties of the magneto-ionic media through which it propagates. Faraday rotation calculated from polarised pulsar observations provides an integrated ... -
GNSS solar astronomy in real-time during more than one solar cycle
(Elsevier, 2023-12-09)
Article
Accés obertThis work presents a summary of the continuous non-stop (hereinafter 24/7) real-time measurement and warning system for EUV solar activity, which is based on worldwide multifrequency Global Navigation Satellite Systems ... -
The correlation between ionospheric electron density variations derived from swarm satellite observations and seismic activity at the Australian–Pacific tectonic plate boundary
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-29)
Article
Accés obertSwarm electron density (Ne) observations from the Langmuir probe (LP) can detect ionospheric disturbances at the altitude of a satellite. Along-track satellite observations provide a large number of very short observations ... -
Power-law distribution of rapid ionosphere electron content fluctuations via GNSS measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Article
Accés obertThe 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 ... -
PPP at low latitudes with ionospheric model exclusively based on single frequency GNSS measurements
(John Wiley & sons, 2023-08-01)
Article
Accés obertSingle frequency users of the Global Navigation Satellite System (GNSS) should correct the ionospheric delay to obtain positioning solutions. A valuable source of ionospheric delay corrections is the global ionospheric ... -
Ionospheric weather at two Starlink launches during two-phase geomagnetic storms
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-07)
Article
Accés obertThe launch of a series of Starlink internet satellites on 3 February 2022 (S-36), and 7 July 2022 (S-49), coincided with the development of two-phase geomagnetic storms. The first launch S-36 took place in the middle of ... -
Assessment of GRAS ionospheric measurements for ionospheric model assimilation
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-15)
Article
Accés obertWe conducted a study to assess the GNSS (Global Navigation Satellite System) Receiver for Atmospheric Sounding (GRAS) ionospheric data quality by processing Radio Occultation (RO) observations of ionospheric products. The ... -
Real-time tomographic inversion of truncated ionospheric GNSS radio occultations
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-19)
Article
Accés obertThis 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 ... -
Study of ionospheric bending angle and scintillation profiles derived by GNSS radio-occultation with MetOp-A satellite
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-20)
Article
Accés obertIn this work, a dedicated campaign by MetOp-A satellite is conducted to monitor the ionosphere based on radio-occultation (RO) measurements provided by the onboard GNSS (Global Navigation Satellite System) Receiver for ... -
A new method of electron density retrieval from MetOp-A’s truncated radio occultation measurements
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-03)
Article
Accés obertThe radio occultation (RO) measurements of the Global Navigation Satellite System’s (GNSS’s) signals onboard a Low Earth Orbiting (LEO) satellite enable the computation of the vertical electron density profile from the LEO ... -
Pre-earthquake ionospheric anomalies before three major earthquakes by GPS-TEC and GIM-TEC data during 2015–2017
(2019-04-01)
Article
Accés restringit per política de l'editorialThe dual-frequency satellite-based measurements from Global Positioning System (GPS) may provide feasible ways of studying and potentially detecting of earthquake (EQ) related anomalies in the ionosphere. In this paper, ...