Accuracy Assessment of a Variety of GPS Data Processing, Online Services and Software

• Autorzy: Mohammed Israa H. , Ataiwe Tariq N. , Al Sharaa Hisham

Identyfikatory

DOI

10.7494/geom.2021.15.4.5

• Języki publikacji: EN

Abstrakty

EN

The processing of GPS observations in precise positioning is complex and requires professional surveyors since it must be carried out after each static measurement. In GPS network adjustment, the obtaining of the correct coordinates of the determined point is possible after determining the components of GPS vectors and aligning the networks of these vectors, while PPP requires the availability of precise products for the reference satellites orbits and clock. For that reason, surveyors can take advantage of free online GPS data processing. In this paper, the authors compare the results obtained from different sources of free online GPS data processing (AUSPOS, OPUS, CenterPoint RTX, APPS, MagicGNSS, CSRS-PPP, GAPS, and SCOUT) in terms of their accuracy, availability, and operation. This is then compared with free GPS processing software (gLAB and RTKLIB), and finally with commercial software (TBC Trimble Business Center). The results show that online processing services are more accurate than offline processing software, which indicates the strength of their algorithms and processes. The CSRS-PPP online service had the best results. The difference between the relative solution of AUSPOS and OPUS, and CSRS-PPP is insignificant.

Słowa kluczowe

EN

online GPS; relative solution; PPP; accuracy assessment; software compariso

PL

GPS online; rozwiązanie względne; PPP; ocena dokładności; porównanie oprogramowania

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Geomatics and Environmental Engineering
• Rocznik: 2021
• Tom: Vol. 15, no. 4
• Strony: 5--19
• Opis fizyczny: Bibliogr. 30 poz., fot., tab., wykr.

Twórcy

autor

Mohammed Israa H.

• Civil Engineering Department, University of Technology – Iraq

• https://orcid.org/0000-0002-8904-0097

autor

Ataiwe Tariq N.

• Civil Engineering Department, University of Technology – Iraq

• https://orcid.org/0000-0002-5838-3687

autor

Al Sharaa Hisham

• Civil Engineering Department, University of Technology – Iraq

• https://orcid.org/0000-0002-1026-8866

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021)