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).

Recent Submissions

  • A new method for ionospheric tomography and its assessment by ionosonde electron density, GPS TEC, and single-frequency PPP 

    Prol, Fabricio dos Santos; Camargo, Paulo de Oliveira; Hernández Pajares, Manuel; Honorato Muella, Marcio Tadeu de Assis (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
    Article
    Restricted access - publisher's policy
    A new tomographic method was developed with the main goal of mapping the ionosphere in the region of Brazil. The ionospheric background was estimated based on ionosonde and radio-occultation measurements to overcome the ...

  • Spatial and temporal features of the topside ionospheric electron density by a new model based on GPS radio occultation data 

    Prol, Fabricio dos Santos; Hernández Pajares, Manuel; Camargo, Paulo de Oliveira; Honorato Muella, Marcio Tadeu de Assis (2018-03)
    Article
    Open Access
    A new method for probing the spatial and temporal features of the topside ionosphere is presented. The Vary-Chap model given by linear functions was used to discover and report features of the topside scale height and its ...

  • The Barcelona ionospheric mapping function (BIMF) and its application to northern mid-latitudes 

    Lyu, Haixia; Hernández Pajares, Manuel; Nohutcu, Metin; García Rigo, Alberto; Zhang, Zhongzhi; Liu, Jingnan (2018-07-01)
    Article
    Restricted access - publisher's policy
    A simple way of improving the Global Navigation Satellite Systems (GNSS) slant ionospheric correction from Vertical Total Electron Content (VTEC) models is presented. In many GNSS applications, a mapping function is required ...

  • Tomographic imaging of ionospheric plasma bubbles based on GNSS and radio occultation measurements 

    Prol, Fabricio dos Santos; Hernández Pajares, Manuel; Honorato Muella, Marcio Tadeu de Assis; Camargo, Paulo de Oliveira (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-01)
    Article
    Open Access
    Total electron content measurements given by the global navigation satellite system (GNSS) have successfully presented results to capture the signatures of equatorial plasma bubbles. In contrast, the correct reproduction ...

  • Precise ionospheric electron content monitoring from single- frequency GPS receivers 

    Hernández Pajares, Manuel; Roma Dollase, David; García Fernández, Miquel; Orús Pérez, Raul; García Rigo, Alberto (2018-10-01)
    Article
    Restricted access - publisher's policy
    The number of existing global positioning system (GPS) single-frequency receivers continues growing. More than 90% of GPS receivers are implemented as low-cost single-frequency chipsets embedded in smartphones. This provides ...

  • Coincident observations by the Kharkiv IS radar and ionosonde, DMSP and Arase (ERG) satellites, and FLIP model simulations: implications for the NRLMSISE-00 hydrogen density, plasmasphere, and ionosphere 

    Kotov, Dmytro; Richards, Philip G.; Truhlík, Vladimír; Hernández Pajares, Manuel (2018-08)
    Article
    Open Access
    This paper reports the results of ionosphere and plasmasphere observations with the Kharkiv incoherent scatter radar and ionosonde, Defense Meteorological Satellite Program, and Arase (ERG) satellites and simulations with ...

  • Detection and description of the different ionospheric disturbances that appeared during the solar eclipse of 21 August 2017 

    Yang, Heng; Monte Moreno, Enrique; Hernández Pajares, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-30)
    Article
    Open Access
    This work will provide a detailed characterization of the travelling ionospheric disturbances (TIDs) created by the solar eclipse of 21 August 2017, the shadow of which crossed the United States from the Pacific to the ...

  • Assessment of St. Patrick's Day 2015 Geomagnetic storm impact on EGNOS 

    Hernández Pajares, Manuel; Béniguel, Yannick; Orús Pérez, Raul; Prieto Cerdeira, Roberto; García Rigo, Alberto; Kinrade, J; Kauristie, Kirsti; Schlueter, Stefan; Serant, Damien; Krankowski, Andrzej; Secretan, Hugues; Sampedro Casis, Rodrigo; Prats Menéndez, Xavier (European Space Agency (ESA), 2015)
    Conference lecture
    Restricted access - publisher's policy
    The Monitor project has been designed to monitor ionospheric events that would allow evaluating its impact on European GNSS Systems. It includes a network of ionospheric scintillation monitoring stations in various ...

  • TEC forecasting based on manifold trajectories 

    Monte Moreno, Enrique; García Rigo, Alberto; Hernández Pajares, Manuel; Yang, Heng (Multidisciplinary Digital Publishing Institute (MDPI), 2018-06-22)
    Article
    Open Access
    In this paper, we present a method for forecasting the ionospheric Total Electron Content (TEC) distribution from the International GNSS Service’s Global Ionospheric Maps. The forecasting system gives an estimation of the ...

  • GNSS transpolar earth reflectometry exploriNg system (G-TERN): mission concept 

    Cardellach Galí, Estel; Wickert, Jens; Baggen, Rens; Camps Carmona, Adriano José; Hernández Pajares, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018-03-09)
    Article
    Open Access
    The global navigation satellite system (GNSS) Transpolar Earth Reflectometry exploriNg system (G-TERN) was proposed in response to ESA's Earth Explorer 9 revised call by a team of 33 multi-disciplinary scientists. The ...

  • Recent activities of IAG working group “Ionosphere Prediction” 

    Erdogan, Eren; Hoque, Mainul; García Rigo, Alberto; Cueto, M.; Schmidt, Michael; Jakowski, Norbert; Berdermann, Jens; Monte Moreno, Enrique; Hernández Pajares, Manuel (2018)
    Conference lecture
    Open Access
    Ionospheric disturbances pose, for instance, an increasing risk on economy, national security, satellite and airline operations, communications networks and the navigation systems. Constructing ...

  • Global distribution of ionospheric scintillations from the Real-Time GPS ROTI 

    García Rigo, Alberto; Hernández Pajares, Manuel; Roma-Dollase, David (2018)
    Conference lecture
    Open Access
    A global real-time monitoring system has been implemented in the frame of ESA-ESTEC/EGNOS-POfunded project MONITOR. It is based on world-wide GNSS datastreams distributed by means of NTRIP and provides multiple ionospheric ...

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