Tzvetan SimeonovTzvetan Simeonov is a research scientist at the GRUAN Lead Center at Deutscher Wetterdienst. He is a former student of Guergana Guerova, graduating with honors from his MSc in GNSS meteorology at the Sofia University "St. Kliment Ohridski" (2013). Afer earning his master's degree, he worked in the German Research Centre for Geosciences (GFZ Potsdam) on GNSS Reflectometry (2016-2019), where he defended his PhD thesis on observations of the hydrological cycle with ground-based GNSS stations. Since 2019, he has worked on the
estimation of measurement uncertainties of meteorological radiosondes with a focus on their positioning and pressure observations within the GRUAN project of the WMO. Read More Read Less