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<p>This paper investigates the single-point positioning capability of 18 International GNSS Service (IGS) stations globally, utilizing data from the NASA Crustal Dynamics Data Information System for the first 145&#xa0;days of 2022. Employing the open source software for post-processing, the study assesses critical parameters at 4&#xa0;h intervals, producing 3D graphs for visualizing dynamic positioning solutions. Benchmarking against Precise Point Positioning data from the Canadian Geodetic Survey allows a comparative analysis, revealing strengths and weaknesses in the single-point positioning method for each station. The findings offer targeted insights into the global distribution of precise positioning capabilities among IGS stations, aiding in station selection for geodetic research and GNSS applications worldwide. This research enhances the understanding of individual station performance, empowering informed decision-making for improved accuracy and reliability in GNSS positioning systems and contributing to the advancement of geodetic research.</p>

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GPS Precise Point Position Technique’s Usability for Improving Geodesy Applications

  • 期刊论文

  • 发表日期：

    2025年6月17日

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  • Somnath Mahato,
  • Aravindh Subramanian Subramanian,
  • Debipriya Dutta

摘要

This paper investigates the single-point positioning capability of 18 International GNSS Service (IGS) stations globally, utilizing data from the NASA Crustal Dynamics Data Information System for the first 145 days of 2022. Employing the open source software for post-processing, the study assesses critical parameters at 4 h intervals, producing 3D graphs for visualizing dynamic positioning solutions. Benchmarking against Precise Point Positioning data from the Canadian Geodetic Survey allows a comparative analysis, revealing strengths and weaknesses in the single-point positioning method for each station. The findings offer targeted insights into the global distribution of precise positioning capabilities among IGS stations, aiding in station selection for geodetic research and GNSS applications worldwide. This research enhances the understanding of individual station performance, empowering informed decision-making for improved accuracy and reliability in GNSS positioning systems and contributing to the advancement of geodetic research.