DGFI, together with the Bundesamt für Kartografie und Geodäsie (BKG), is one of two Combination Centers of the International VLBI Service for Geodesy and Astrometry (IVS). In this context, DGFI is responsible for the
provides the software (DOGS-CS) for the various combination processes on the normal equation level.
- Figure: An example of the IVS troposphere rapid combination product available from DGFI. These and other IVS troposphere products are accessable following the above links