Terrestrial reference frame of Serbia and its temporal rate

Abstract

National GPS permanent network of Serbia - Aktivna Geodetska Referentna Osnova Srbije (AGROS) was established in the end of 2005. referring to the ITRF96, where the official geodetic reference system of Serbia was Bessel ellipsoid and Gauss-Krüger projec-tion. The new reference system ETRS89, through its realization ETRF2000 was introduced from 1th January 2011, according to the Law of the State Survey and Cadastre. This paper describes the main activities for the establishement of new Terrestrial Reference Frame, both from mathematical and practical point of views, and in particular station velocity of AGROS network.