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Accuracy Analysis of the EGNOS System During Mobile Testing

Accuracy Analysis of the EGNOS System During Mobile Testing. Douglas Aguilar L eszek Jaworski Marcin Kolodziejczak Warsaw, Poland. Mobile GPS Laboratory. Test Route - 10 km. Test Objectives. Objectives C heck accuracy corrections of the EGNOS (PRN 126) system against GPS signals

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Accuracy Analysis of the EGNOS System During Mobile Testing

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  1. Accuracy Analysis of the EGNOS System During Mobile Testing Douglas Aguilar Leszek Jaworski Marcin Kolodziejczak Warsaw, Poland

  2. Mobile GPS Laboratory

  3. Test Route - 10 km

  4. Test Objectives • Objectives • Check accuracy corrections of the EGNOS (PRN 126) system against GPS signals • Compare integrity and availability of GPS and EGNOS (PRN 126) signals

  5. Test Dates - 2007

  6. Septentrio X-Coordinate Deviation 15 Deg. Mask – 4 April

  7. Septentrio Y-Coordinate Deviation 15 Deg. Mask – 4 April

  8. Septentrio Height Deviation 15 Deg. Mask – 4 April

  9. CSI X-Coordinate Deviation 15 Deg. Mask – 4 April

  10. CSI Y-Coordinate Deviation 15 Deg. Mask – 4 April

  11. CSI Height Deviation 15 Deg. Mask – 4 April

  12. Septentrio X-Coordinate Deviation 0 Deg. Mask – 17 April

  13. CSI X-Coordinate Deviation0 Deg. Mask – 17 April

  14. Septentrio X-Coordinate Deviation 0 Deg. Mask – 16 May

  15. Septentrio X-Coordinate Deviation 0 Deg. Mask – 16 May

  16. Septentrio Y-Coordinate Deviation 0 Deg. Mask – 4 April

  17. CSI Y-Coordinate Deviation 0 Deg. Mask – 4 April

  18. Septentrio Y-Coordinate Deviation 0 Deg. Mask – 16 May

  19. Septentrio Y-Coordinate Deviation 0 Deg. Mask – 16 May

  20. Static - GPS vs. PRN126, X-Coordinate22 May

  21. Static - GPS vs. PRN126, Y-Coordinate22 May

  22. Static - GPS vs. PRN126, Height22 May

  23. Accuracy Statistics

  24. Accuracy Statistics

  25. Conclusions • Availability in Warsaw • Analyzing 10 days of static testing has shown EGNOS availability at 98% of the time • Accuracy in Warsaw • Overall, EGNOS improved accuracy • During some observations EGNOS did not improve GPS accuracy • Receiver used less satellites with EGNOS • A minimum of three RIMS stations need to monitor the same GPS satellite to provide EGNOS corrections

  26. Conclusions • Commercial Receivers • Some commercial receivers have EGNOS options but do not receive SBAS signals • Further Testing • Find popular commercial receivers that provide EGNOS corrections • Integrate mobile testing with an INU

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