Homogenization of long-term GPS monitoring series at permanent stations in Central Europe and Balkan Peninsula

The network of 54 permanent GPS stations situated in Central Europe, Alpine-Adriatic region and Balkan Peninsula is analyzed by unified processing strategy, using homogeneous models for reduction of physical effects, and is uniformly referred to as the International Terrestrial Reference Frame - ITRF2005. The resulting time series of observed site coordinates and site troposphere parameters from interval 1999.5 to 2008.5 are inspected for their continuity, homogeneity, long-term drift, and seasonal variations.