Funktion und Aufgaben:

Research scientist at GFZ, responsible for ground-based GNSS atmospheric sounding

Wissenschaftliche Interessen:

Ground-based GNSS atmosphere sounding
Development of ground-based GNSS atmosphere sounding techniques
Operational processing of GNSS data and using derived tropospheric products for weather forecast
Applications of GNSS-derived tropospheric products in atmospheric and climate sciences
 

Karriere:

1992-1994 research scientist at GFZ, member of IGS Analysis Centre at GFZ

1995-1998 research scientist at GFZ within project 'MOMS-Priroda'

1999-2003 research scientist at GFZ within the BMBF strategy found 'GPS Atmospheric Sounding Project' (GASP)

Since 2003 research scientist at GFZ, responsible for ground-based GNSS atmosphere sounding and GNSS data processing

2017- July 2025 group leader "GNSS Meteorology" at GFZ

Since August 2025 member of working group 'GNSS Remote Sensing', lead by Jens Wickert

Werdegang / Ausbildung:

Diploma in Mathematics, University of Kharkiv, Ukraine
Dr. rer. nat. (PhD), Technical University of Tallinn, Estonia

Projekte:

• European Project E-GVAP: 'The EUMETNET GPS Water Vapour Programme', Head of GNSS Analysis Centre at GFZ for E-GVAP
• GRUAN: The Global Climate Observing System (GCOS) Reference Upper Air Network of the World Meteorological Organization (WMO), Head of Central GRUAN GNSS Data Processing Centre
• WegenerNet, Wegener Center for Climate and Global Change, an interdisciplinary institute of the University of Graz
• MOSES (Modular Observation Solutions for Earth Systems), a novel observing system of the Helmholtz Association, developed by the Helmholtz Centres in the research field “Earth and Environment”.
• TEAMx: Multi-scale transport and exchange processesin the atmosphere over mountains – programme and experiment

Wissenschaftliche Gremien:

• Member of IGS Troposphere Working Group
• Member of GRUAN GNSS Precipitable Water Task Team
• Member of the GNSS Expert Team within E-GVAP
• Co-chair of ICCC Joint Working Group C.8  'GNSS data processing and homogenization activities'