• A new method of electron density retrieval from MetOp-A’s truncated radio occultation measurements 

      Mainul Hoque, Mohammed; Yuan, Liangliang; Prol, Fabricio dos Santos; Hernández Pajares, Manuel; Notarpietro, Riccardo; Jakowski, Norbert; Olivares Pulido, Germán; von Engeln, Axel; Marquardt, Christian (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-03)
      Article
      Accés obert
      The 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 ...
    • Assessment of the capabilities and applicability of ionospheric perturbation indices provided in Europe 

      Borries, Claudia; Wilken, Volken; Jacobsen, Knut Stanley; García Rigo, Alberto; Dziak-Jankowska, Beata; Kervalishvili, Guram; Jakowski, Norbert; Tsagouri, Ioanna; Hernández Pajares, Manuel; Ferreira, Arthur A.; Hoque, Mainul (2020-08-01)
      Article
      Accés obert
      Perturbations in the ionosphere are of great interest not only for scientific research, but also for applications using transionospheric radiosignals (e.g. GNSS applications and HF communication), because the transmission ...
    • Comparative testing of four ionospheric models driven with GPS measurements 

      Zandbergen, R.; Feltens, Joachim; Angling, M; Jackson Booth, N; Jakowski, Norbert; Hoque, Mainul; Hernández Pajares, Manuel; Aragón Ángel, María Ángeles; Orús Pérez, Raül (2011-07-28)
      Article
      Accés obert
      In the context of the European Space Agency/European Space Operations Centre funded Study “GNSS Contribution to Next Generation Global Ionospheric Monitoring,” four ionospheric models based on GNSS data (the Electron ...
    • Global ionospheric monitoring and navigation systems 

      Feltens, J.; Angling, M; Jakowski, Norbert; Hernández Pajares, Manuel; Zandbergen, R. (2010)
      Presentació
      Accés obert
    • Ionosphere monitoring and forecast activities within the IAG working group “Ionosphere Prediction” 

      Hoque, Mainul; García Rigo, Alberto; Erdogan, Eren; Cueto, M.; Jakowski, Norbert; Berdermann, Jens; Hernández Pajares, Manuel; Schmidt, Michael; Wilken, Volken (2017)
      Comunicació de congrés
      Accés obert
      Ionospheric disturbances can affect technologies in space and on Earth disrupting satellite and airline operations, communications networks, navigation systems. As the world becomes ever more dependent on these technologies, ...
    • Methods and other considerations to correct higher order ionospheric delay terms in GNSS 

      Hernández Pajares, Manuel; Fritsche, M.; Hoque, M.M.; Jakowski, Norbert; Juan Zornoza, José Miguel; Kedar, S.; Krankowski, A.; Petrie, E.; Sanz Subirana, Jaume (2008-06-02)
      Presentació
      Accés obert
    • 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)
      Comunicació de congrés
      Accés obert
      Ionospheric disturbances pose, for instance, an increasing risk on economy, national security, satellite and airline operations, communications networks and the navigation systems. Constructing ...