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Literature review | Open Access

The Progress of IGS Analysis Center at Wuhan University

Weiping JIANG, Qile ZHAO, Min LI( ), Jing GUO, Jianghui GENG, Zhao LI, Shengfeng GU, Qiang ZHANG, Zhigang HU, Na WEI
GNSS Research Center, Wuhan University, Wuhan 430079, China
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Abstract

As one of the Analysis Centers (AC) of the International GNSS Service (IGS), Wuhan University (WHU) has been contributing to the IGS by providing ultra-rapid as well as rapid orbit and clock solutions for the established GPS and GLONASS since 2012. In the same year, the IGS initiated the Multi-GNSS Experiment (MGEX) to support the analysis of the emerging GNSS systems and prepare the IGS for Multi-GNSS, which includes GPS, GLONASS, the European Galileo system, the Chinese Beidou Navigation Satellite System (BDS), the Japanese Quasi-Zenith Satellite System (QZSS) and the Indian Regional Navigation Satellite System (IRNSS/NaVIC). The major products, i.e., orbits, Earth Orientation Parameters (EOPs), satellite clock as well as attitude have also been provided by WHU since 2012. More recently, WHU has engaged the third reprocessing of IGS for generating the highly accurate station coordinates as inputs for establishment of the International Terrestrial Reference Frame (ITRF) 2020 during 2019—2020. This article presents the recent major advancements of the IGS AC at Wuhan University, including precise products, real-time products, bias products, antenna phase center calibration, and the non-linear motion modeling for GNSS Reference Stations.

Keywords

GNSSBDSInternational GNSS Serviceorbit and clock productsnon-linear motion

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Journal of Geodesy and Geoinformation Science
Volume 6 Issue 3,
September 2023
Pages 46-57
DOI: 10.11947/j.JGGS.2023.0305
Cite this article:
JIANG W, ZHAO Q, LI M, et al. The Progress of IGS Analysis Center at Wuhan University. Journal of Geodesy and Geoinformation Science, 2023, 6(3): 46-57. https://doi.org/10.11947/j.JGGS.2023.0305

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Received: 21 August 2023
Accepted: 26 August 2023
Published: 20 September 2023
© 2023 Journal of Geodesy and Geoinformation Science
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