Now showing items 1-4 of 4

    • 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
      Open Access
      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 GRAS ionospheric measurements for ionospheric model assimilation 

      Mainul Hoque, Mohammed; Prol, Fabricio dos Santos; Hernández Pajares, Manuel; Notarpietro, Riccardo; Yuan, Liangliang; Olivares Pulido, Germán; Graffigna, Victoria; von Engeln, Axel; Marquardt, Christian (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-15)
      Article
      Open Access
      We 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 

      Olivares Pulido, Germán; Hernández Pajares, Manuel; Monte Moreno, Enrique; Lyu, Haixia; Graffigna, Victoria; Cardellach Galí, Estel; Mainul Hoque, Mohammed; Prol, Fabricio dos Santos; Notarpietro, Riccardo; García Fernández, Miquel (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-19)
      Article
      Open Access
      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 ...
    • Study of ionospheric bending angle and scintillation profiles derived by GNSS radio-occultation with MetOp-A satellite 

      Prol, Fabricio dos Santos; Mainul Hoque, Mohammed; Hernández Pajares, Manuel; Yuan, Liangliang; Olivares Pulido, Germán; von Engeln, Axel; Marquardt, Christian; Notarpietro, Riccardo (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-20)
      Article
      Open Access
      In 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 ...