In October 2002, the International VLBI Service for Geodesy and Astronomy (IVS) arranged the VLBI campaign CONT02 which was designed to provide 15 days of continuous VLBI observations of eight participating stations. Using this data as well as the observations from a global GPS network, free daily normal equations were generated for both techniques, adapting the functional models as much as possible. The following parameters contained in these normal equations were combined: station positions (using a set of selected local ties), tropospheric parameters (zenith delays and horizontal gradients) and Earth Orientation Parameters (EOP). The paper gives an overview of the solution setup and provides first combination results for the common parameters.     «

In October 2002, the International VLBI Service for Geodesy and Astronomy (IVS) arranged the VLBI campaign CONT02 which was designed to provide 15 days of continuous VLBI observations of eight participating stations. Using this data as well as the observations from a global GPS network, free daily normal equations were generated for both techniques, adapting the functional models as much as possible. The following parameters contained in these normal equations were combined: station positions (u...     »