The Sofia University GNSS Analysis Centre (SUGAC) aims to fill the gap of GNSS Analysis Centre in South East Europe. The SUGAC processing includes the GNSS station of the Bulgarian BeRTISS network and 10 IGS stations. The processing started in May 2019 and schematic presentation of the data flow is resented in the figure.

GNSS tropospheric products are provided for the operational service of: 1) BeRTISS, 2) EUMETNET E-GVAP project. The SUGAC is operated by members of the GNSS Meteorology group at the Department of Meteorology and Geophysics of Sofia University.