2009•Science and Technology Development JournalOpen access

HOW ACCURACY GPS PRECISE POINT POSITIONING CAN BE ACHIEVED?

Lau Ngoc Nguyen

Abstract

We estimate the accuracy of GPS point positioning when using the most recently IGS products and applying the newest IERS models of station displacements. The processing results on 9 IGS stations show that accuracies of 5 mm in the horizontal and 10mm in the vertical can be achieved when processing 24h of static data, and about 10 cm when processing 24h of kinematic data. These accuracies make us to re-consider capabilities and new applications of GPS point positioning.

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Key concepts: Precise Point Positioning, Global Positioning System, Geodesy, Kinematics, Computer science, Point (geometry), Data processing, Remote sensing