Bulletin des sciences géographiques de l'INCT
Volume 13, Numéro 2, Pages 25-28
2009-11-30

Establishment Of Algerian-tunisian Unified Gps Network

Authors : Haddad M .

Abstract

GPS allows a precise measure at any time, easy to implement and of weak expense. These charactetistics make of GPS a favored tool for positioning and for geophysics phenomena observation with various scales (plate's tectonics, seismic survei liance, measures of geode). In this context, the duration of observations is in general very long (sorne days in severa] years). A research action is jointly performed by the National Institute of Cartography and Remote sensing (Algeria) and the National Centre of Remote sensing (Tunisia) on the establishment of Algerian­ Tunisian Unified GPS Network and improvement of the positioning precision, notably vertical, using the GPS technique. In this context, eight Algerian­ Tunisian boundary markers were observed by the National Institute of Cartography and Remote Sensing- Algeria and the National Centre of Remote sensing - Tunisia) in simultaneous using GPS technique during the GPS Week n°1502 (from 19th till 25th October 2008). The collected GPS data were processed using Bernese 5.0 scientific software in automatic rnode while integrating the IGS data and products. The precision obtained for all coordinates is in the order of sorne millimeters.

Keywords

Unified Algerian-Tunisian GPS network, Bernese, RNX2SNX PCF, repeatability coordinates rms.