The Government decrees to establish the following common state co-ordinate systems: 1). Geodetic co-ordinate system of 1995 (SK-95) - for the use i n the process of carrying out geodetic and cartographic assignments beginning from the 1st of July 2002. 2). Geocentric co-ordinate system "Parameters of Earth of 1990" (PZ-90) for the use for the purpose of geodetic backing of orbital flights and carrying out navigation assignments. Ministry of Defence of the Russian Federation in accordance with th