@article{Pottiaux:3701,
      author        = "Pottiaux, Eric",
      title         = "{ROB's Operational World-Wide Near Real-Time (NRT)
                       GNSS-based tropospheric delay estimates submitted to
                       E-GVAP}",
      year          = "2018",
      note          = "The database is continuously and operationally filled,
                       starting from 2015 until now.",
}