An Overview of the International GNSS Service (IGS)

Journal: GRENZE International Journal of Computer Theory and Engineering
Authors: Kutubuddin Ansari, Ozsen Corumluoglu, Payal Verma, Vladimir Sergeevich Pavelyev
Volume: 3 Issue: 4
Grenze ID: 01.GIJCTE.3.4.10 Pages: 54-58

Abstract

The Global Navigation Satellite System (GNSS) is the navigation system which provides the geographic coordinate of a particular location on the Earth irrespective of time, weather and at any conditions. The International GNSS Service (IGS) based on GNSS have more than 500 stations around the world, controlled by International Association of Geodesy (IAG). Currently, the IGS analysis centres provide the three-dimensional position and velocity solution of stations on a daily basis. These combined solutions contribute to International Terrestrial Reference Frame (ITRF). The IGS stations play a significant involvement in relative GNSS positioning. The relative GNSS positioning system is used to get the high level of accuracy of another type of GNSS stations like permanent GNSS stations, campaign mode GNSS stations. The IGS stations also contribute in the field of climate modelling, meteorology and space weather applications. The main aim of this article is to present an overview of IGS stations and its contribution in different field.

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