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Evaluating the single-frequency static precise point positioning accuracies from multi-constellation GNSS observations at an Indian low-latitude station

  • Anantha Srinivas Aginiparthi , Ram Kumar Vankadara , Ravi Kumar Mokkapati and Sampad Kumar Panda ORCID logo EMAIL logo
Published/Copyright: February 28, 2024
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Journal of Applied Geodesy
From the journal Journal of Applied Geodesy Volume 18 Issue 4

Abstract

Multiple constellations and their combinations in the global navigation satellite systems (GNSS) provide a great opportunity for single-station precise point positioning (PPP) models. The PPP models are of more importance for GNSS users as they are cost-effective with reasonable accuracy. There are abundant models in the market that use different data processing techniques based on the location and constellations used. In this study, we used the precise point positioning (PPP) software Net_Diff to verify the positioning accuracy at a low latitude Indian location using individual global satellite constellations (GPS, GLONASS, Galileo, BeiDou) and their combinations with GPS fixed. The ionospheric correction models such as GIM and Klobuchar are applied in the post-processing to determine the positioning accuracy. The Kalman filter method is applied to model the input data along with including the noise to derive the position solution. The results revealed that the GPS showed constant residual error for both quiet and disturbed days. In terms of single constellation Galileo produced less residuals in WGS 84 and ECEF coordinate systems whereas in the multi-constellation combination GPS, Galileo and GLONASS resulted in residuals of lesser magnitudes compared to the other combinations considered in this study. The RMS and STD of the residuals confirmed the high precision for Galileo and low precision for BeiDou constellations at the location.

Keywords: ionosphere; precise point position; GNSS; GIM; Klobuchar; ionospheric delay
Corresponding author: Sampad Kumar Panda, Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Greenfields, Vaddeswaram 522302, A.P., India, E-mail:

Funding source: Science and Engineering Research Board

Award Identifier / Grant number: CRG/2019/003394

Acknowledgments

The authors would like to acknowledge the CDDIS-NASA server for availing GNSS observation data for the station at https://cddis.nasa.gov/archive/gnss/data/daily. The SPP/PPP model net_Diff used in this study is obtained from https://github.com/YizeZhang/Net_Diff.

  1. Research ethics: Not applicable.

  2. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no competing interests.

  4. Research funding: This research work is supported by the SERB Core Research Grant (CRG) under grant number CRG/2019/003394.

  5. Data availability: The raw data can be obtained from on request from the corresponding author.

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Received: 2024-01-28
Accepted: 2024-02-13
Published Online: 2024-02-28
Published in Print: 2024-10-28

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

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  2. Special Issue on Uncertainty and Quality of Multi-Sensor Systems; Guest Editor: Volker Schwieger
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  4. Development of GPS time-based reference trajectories for quality assessment of multi-sensor systems
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  6. Empirical uncertainty evaluation for the pose of a kinematic LiDAR-based multi-sensor system
  7. Guest Editorial
  8. Uncertainty and quality of multi-sensor systems
  9. Original Research Articles
  10. Coseismic slip model of the 14 January 2021 Mw 6.2 Mamuju-Majene earthquake based on static and kinematic GNSS solution
  11. Simulation of range code tracking loop for multipath mitigation in NavIC receiver
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  13. A new approach of multi-dimensional correlation as a separability measure of multiple outliers in GNSS applications
  14. Preliminary results of scintillation monitoring at KLEF-Guntur low latitude station using GNSS software defined radio
  15. Evaluating the single-frequency static precise point positioning accuracies from multi-constellation GNSS observations at an Indian low-latitude station
  16. Analysis of ionospheric anomalies before the Fukushima Mw 7.3 earthquake of March 16, 2022
  17. Geomagnetic storm effect on equatorial ionosphere over Sri Lanka through total electron content observations from continuously operating reference stations network during Mar–Apr 2022
https://doi.org/10.1515/jag-2024-0014
Keywords for this article
ionosphere; precise point position; GNSS; GIM; Klobuchar; ionospheric delay

Articles in the same Issue

  1. Frontmatter
  2. Special Issue on Uncertainty and Quality of Multi-Sensor Systems; Guest Editor: Volker Schwieger
  3. Improving the approximation quality of tensor product B-spline surfaces by local parameterization
  4. Development of GPS time-based reference trajectories for quality assessment of multi-sensor systems
  5. PointNet-based modeling of systematic distance deviations for improved TLS accuracy
  6. Empirical uncertainty evaluation for the pose of a kinematic LiDAR-based multi-sensor system
  7. Guest Editorial
  8. Uncertainty and quality of multi-sensor systems
  9. Original Research Articles
  10. Coseismic slip model of the 14 January 2021 Mw 6.2 Mamuju-Majene earthquake based on static and kinematic GNSS solution
  11. Simulation of range code tracking loop for multipath mitigation in NavIC receiver
  12. Exploring ionospheric dynamics: a comprehensive analysis of GNSS TEC estimations during the solar phases using linear function model
  13. A new approach of multi-dimensional correlation as a separability measure of multiple outliers in GNSS applications
  14. Preliminary results of scintillation monitoring at KLEF-Guntur low latitude station using GNSS software defined radio
  15. Evaluating the single-frequency static precise point positioning accuracies from multi-constellation GNSS observations at an Indian low-latitude station
  16. Analysis of ionospheric anomalies before the Fukushima Mw 7.3 earthquake of March 16, 2022
  17. Geomagnetic storm effect on equatorial ionosphere over Sri Lanka through total electron content observations from continuously operating reference stations network during Mar–Apr 2022
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