Now showing items 1-16 of 16

    • 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 ...
    • Comparing performances of seven different global VTEC ionospheric models in the IGS context 

      Hernández Pajares, Manuel; Roma Dollase, David; Krankowski, Andrzej; García Rigo, Alberto; Orús Pérez, Raul (International GNSS Service (IGS), 2016)
      Conference report
      Restricted access - publisher's policy
      A summary of the main concepts on Global Ionospheric Map(s) (hereinafter GIM(s)) of Vertical Electron Content (VTEC), with special emphasis on their assessment, is presented in this paper. It is based on the experience ...
    • Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle 

      Roma Dollase, David; Hernández Pajares, Manuel; Krankowski, Andrzej; Kotulak, Kacper; Ghoddousi Fard, Reza; Yuan, Yunbin; Li, Zishen; Zhang, Hongping; Shi, Chuang; Wang, Cheng; Feltens, Joachim; Vergados, Panagiotis; Komjathy, Attila; Schaer, Stefan C.; García Rigo, Alberto; Gómez Cama, José Mª (2018-06)
      Article
      Open Access
      In the context of the International GNSS Service (IGS), several IGS Ionosphere Associated Analysis Centers have developed different techniques to provide global ionospheric maps (GIMs) of vertical total electron content ...
    • Global monitoring of ionospheric weather by GIRO and GNSS data fusion 

      Galkin, Ivan; Fron, Adam; Reinisch, Bodo W.; Hernández Pajares, Manuel; Krankowski, Andrzej; Nava, Bruno; Bilitza, Dieter; Kotulak, Kacper; Flisek, Pawel; Li, Zishen; Wang, Ningbo; Roma Dollase, David; García Rigo, Alberto; Batista, Inez (2022-02-23)
      Article
      Open Access
      Prompt and accurate imaging of the ionosphere is essential to space weather services, given a broad spectrum of applications that rely on ionospherically propagating radio signals. As the 3D spatial extent of the ionosphere ...
    • INSPIRE: DI 1-1 Technical Note with assessment of state-of-the-art of earthquake precursors identification 

      Krankowski, Andrzej; Pulinets, Sergey; Cherniak, Iurii; Hernández Pajares, Manuel; Rothkael, Hanna; Rojas Gregorio, José Ignacio; García Rigo, Alberto (2014-12-25)
      Research report
      Restricted access - confidentiality agreement
    • INSPIRE: DI 1-2 Technical Note with definition of methodology for identification of earthquake signatures 

      Krankowski, Andrzej; Pulinets, Sergey; Cherniak, Iurii; Hernández Pajares, Manuel; Rothkael, Hanna; García Rigo, Alberto (2014-12-25)
      Research report
      Restricted access - confidentiality agreement
    • INSPIRE: DI 2-1 Technical Note describing the design and development of the database with performance criteria 

      Krankowski, Andrzej; Hernández Pajares, Manuel; Pulinets, Sergey; Cherniak, Iurii; Rothkael, Hanna; Rojas Gregorio, José Ignacio; García Rigo, Alberto (2015-01-26)
      Research report
      Restricted access - confidentiality agreement
    • Ionosphere sounding for pre-seismic anomalies identification (INSPIRE): results of the project and perspectives for the short-term earthquake forecast 

      Pulinets, Sergey; Krankowski, Andrzej; Hernández Pajares, Manuel; Marra, Sergio; Cherniak, Iurii; Zakharenkova, I.; Rothkael, Hanna; Kotulak, Kacper; Davidenko, Dmitry V.; Blaszkiewicz, Leszek; Fron, Adam; Flisek, Pawel; García Rigo, Alberto; Budnikov, Pavel (Frontiers Media SA, 2021-04-08)
      Article
      Open Access
      The INSPIRE project was dedicated to the study of physical processes and their effects in ionosphere which could be determined as earthquake precursors together with detailed description of the methodology of ionospheric ...
    • Methodology and consistency of slant and vertical assessments for ionospheric electron content models 

      Hernández Pajares, Manuel; Roma Dollase, David; Krankowski, Andrzej; García Rigo, Alberto; Orús Pérez, Raul (2017-12)
      Article
      Open Access
      A summary of the main concepts on global ionospheric map(s) [hereinafter GIM(s)] of vertical total electron content (VTEC), with special emphasis on their assessment, is presented in this paper. It is based on the experience ...
    • MONITOR - Ionospheric Monitoring System: An Analysis of Perturbed Days Affecting SBAS Performance 

      Hernández Pajares, Manuel; Prieto Cerdeira, Roberto; Beniguel, Yannick; García Rigo, Alberto; Kinrade, J; Kauristie, Kirsti; Orús Pérez, Raul; Schlüter, S.; Serant, Damien; Nava, Bruno; Krankowski, Andrzej; Secretan, Hugues; Sampedro Casis, Rodrigo; Prats Menéndez, Xavier (2015)
      Conference report
      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 locations ...
    • MONITOR Ionospheric Network: two case studies on scintillation and electron content variability 

      Beniguel, Yannick; Cherniak, Iurii; García Rigo, Alberto; Hamel, P.; Hernández Pajares, Manuel; Kameni, Roland; Kashcheyev, Anton; Krankowski, Andrzej; Monnerat, Michel; Nava, Bruno; Ngaya, Herbert; Orús Pérez, Raul; Secretan, Hugues; Serant, Damien; Schlüter, Stefan; Wilken, Volken (2017-03-13)
      Article
      Open Access
      The ESA MONITOR network is composed of high-frequency-sampling global navigation satellite systems (GNSS) receivers deployed mainly at low and high latitudes to study ionosphere variability and jointly with global GNSS ...
    • Real time global ionospheric maps: a low latency alternative to traditional GIMs 

      Roma Dollase, David; Hernández Pajares, Manuel; García Rigo, Alberto; Laurichesse, Denis; Schmidt, Michael; Erdogan, Eren; Yuan, Yunbin; Li, Zishen; Gómez-Cama, José Ma.; Krankowski, Andrzej (2016)
      Conference lecture
      Restricted access - publisher's policy
      Since the late nineties different entities have been generating and distributing Global Ionospheric Maps (GIMs). In this time, multiple new application have arisen from the determination of electron content distribution ...
    • Sibsonian and non-Sibsonian natural neighbour interpolation of the total electron content value 

      Kotulak, Kacper; Fron, Adam; Krankowski, Andrzej; Olivares Pulido, Germán; Hernández Pajares, Manuel (2017-03)
      Article
      Open Access
      In radioastronomy the interferometric measurement between radiotelescopes located relatively close to each other helps removing ionospheric effects. Unfortunately, in case of networks such as LOw Frequency ARray (LOFAR), ...
    • St. Patrick’s Day 2015 geomagnetic storm analysis based on Real Time Ionosphere Monitoring 

      García Rigo, Alberto; Roma Dollase, David; Hernández Pajares, Manuel; Li, Zishen; Terkildsen, Michael; Ghoddousi Fard, Reza; Dettmering, Denise; Erdogan, Eren; Haralambous, Haris; Beniguel, Yannick; Berdermann, Jens; Kriegel, Martin; Krypiak-Gregorczyk, Anna; Gulyaeva, Tamara L.; Komjathy, Attila; Vergados, Panagiotis; Feltens, Joachim; Zandbergen, René; Olivares, German; Fuller Rowell, Tim; Altadill, David; Blanch, Estefania; Bergeot, Nicolas; Krankowski, Andrzej; Agrotis, Loukis; Galkin, Ivan; Orus-Perez, Raul; Prol, Fabricio dos Santos (2017)
      Conference lecture
      Open Access
      A detailed analysis is presented for the days in March, 2015 surrounding St. Patrick’s Day 2015 geomagnetic storm, based on the existing real-time and near real-time ionospheric models (global or regional) within the ...
    • The cooperative IGS RT-GIMs: a reliable estimation of the global ionospheric electron content distribution in real time 

      Liu, Qi; Hernández Pajares, Manuel; Yang, Heng; Monte Moreno, Enrique; Roma Dollase, David; García Rigo, Alberto; Li, Zishen; Wang, Ningbo; Laurichesse, Denis; Zhao, Q.; Wübbena, Gerhard; Krankowski, Andrzej; Ghoddousi Fard, Reza; Blot, Alexis; Zhang, Qiang (2021-09-23)
      Article
      Open Access
      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, ...
    • Towards cooperative global mapping of the ionosphere: fusion feasibility for igs and iri with global climate vtec maps 

      Fron, Adam; Krankowski, Andrzej; Galkin, Ivan; Bilitza, D.; Hernández Pajares, Manuel; Reinisch, Bodo W.; Li, Zishen; Kotulak, Kacper; Zakharenkova, I.; Cherniak, Iurii; Roma Dollase, David; Wang, Ningbo; Flisek, Pawel; García Rigo, Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-01)
      Article
      Open Access
      Recommendations of the International Reference Ionosphere (IRI) Workshop 2017 in Taoyuan City, Taiwan and International GNSS Service (IGS) Workshop 2018 in Wuhan, China included establishment of an ionosphere mapping service ...