Analysis of the Impact of Virtual Reference Stations on Static Positioning

Abstract

The aim of this work was to study the influence of artificial GPS observations, obtained by the Virtual Reference Station (VRS) technique on static positioning results in post-processing mode. The accuracy of positioning using VRS stations was investigated. Precise static determinations were analyzed. The VRS data were obtained from the POZGEO-D service of the ASG-EUPOS network. Test computations were performed with Leica GeoOffice and Ashtech Office Suite GPS software. The discussion of results is preceded by a general description of the VRS method and algorithms. The bulk of the paper is of practical character, it derives some advices to the users of active permanent networks like the EUPOS system. The last part of the paper is devoted to analyses of the virtual observations.