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VNUHCM Journal of

Science and Technology Development

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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HOW ACCURACY GPS PRECISE POINT POSITIONING CAN BE ACHIEVED?

Lau Ngoc Nguyen 1, *

  1. University of Technology, VNU-HCM
Correspondence to: Lau Ngoc Nguyen, University of Technology, VNU-HCM. Email: pvphuc@hcmuns.edu.vn.
Volume & Issue: Vol. 12 No. 18 (2009) | Page No.: 25-31 | DOI: 10.32508/stdj.v12i18.2379
Published: 2009-12-15

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Copyright © 2009 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

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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