Assessment of the Accuracy and Convergence Period of Precise Point Positioning.
Galala, M., Rabah, M., Zidan, Z. (2020). Assessment of the Accuracy and Convergence Period of Precise Point Positioning.. EKB Journal Management System, 41(2), 1-5. doi: 10.21608/bfemu.2020.98819
Muhammad Abou Galala; Mostafa Mousa Rabah; Zaki Mohamed Zidan. "Assessment of the Accuracy and Convergence Period of Precise Point Positioning.". EKB Journal Management System, 41, 2, 2020, 1-5. doi: 10.21608/bfemu.2020.98819
Galala, M., Rabah, M., Zidan, Z. (2020). 'Assessment of the Accuracy and Convergence Period of Precise Point Positioning.', EKB Journal Management System, 41(2), pp. 1-5. doi: 10.21608/bfemu.2020.98819
Galala, M., Rabah, M., Zidan, Z. Assessment of the Accuracy and Convergence Period of Precise Point Positioning.. EKB Journal Management System, 2020; 41(2): 1-5. doi: 10.21608/bfemu.2020.98819

Assessment of the Accuracy and Convergence Period of Precise Point Positioning.

MEJ- Mansoura Engineering Journal
Article 13, Volume 41, Issue 2, June 2016, Page 1-5  XML PDF (752.55 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2020.98819
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Authors
Muhammad Abou Galala email 1; Mostafa Mousa Rabah2; Zaki Mohamed Zidan3
1Demonstrator, Public Works Dept., Faculty of Engineering, Mansoura University, Egypt
2Professor, National Research Institute of Astronomy and Geophysics (NRIAG), Egypt
3Professor, Public Works Dept., Faculty of Engineering, Mansoura University, Egypt
Abstract
Precise Point Positioning (PPP) is a well-known positioning method that removes, models, or estimates GNSS system errors to reach the optimal position accuracy from a single receiver. The accuracy of static PPP was tested for 523 daily observation files from 75 IGS globally distributed stations observed at the period from DOY 49 to 55 in 2012. Also, the convergence period was examined to reach different levels of the horizontal accuracy to serve two applications: precision agriculture and geodetic control surveying. The accuracy of static PPP was 4, 5 and 9 mm in the north, east and vertical components, respectively. Static PPP needs 60 minutes to reach five-centimeter horizontal accuracy at the 95% confidence level and 24 hours to achieve one-centimeter horizontal accuracy at the 95% confidence level. 
Keywords
Precise point positioning; PPP accuracy; Convergence period and geodetic control surveying
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