OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY

Global Positioning System (GPS), which has entered every aspect of human life since its first appearance, has become widespread with introducing other systems (GLONASS, Galileo, BeiDou, QZSS, IRNSS, etc.). Today, all systems' common name, Global Navigation Satellite Systems (GNSS), continue to...

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Autor principal:	Tuna Erol
Formato:	article
Lenguaje:	EN
Publicado:	Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek 2021
Materias:	CSRS GNSS Evaluation OPUS Web-Based Services Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/41f403cbd6c14689a8027e0dbd6499da
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spelling	oai:doaj.org-article:41f403cbd6c14689a8027e0dbd6499da2021-11-07T00:39:31ZOPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY1330-36511848-6339https://doaj.org/article/41f403cbd6c14689a8027e0dbd6499da2021-01-01T00:00:00Zhttps://hrcak.srce.hr/file/385039https://doaj.org/toc/1330-3651https://doaj.org/toc/1848-6339Global Positioning System (GPS), which has entered every aspect of human life since its first appearance, has become widespread with introducing other systems (GLONASS, Galileo, BeiDou, QZSS, IRNSS, etc.). Today, all systems' common name, Global Navigation Satellite Systems (GNSS), continue to exist in our lives. While processing the GNSS data, scientific/academic, commercial software, and web-based applications are being used. Web-based services have become widespread very quickly since their introduction. Web-based services have provided ease of use, free of charge, results in a short period of time for users and eliminated the dependence on licensed software. Today, web-based evaluation services increase their activities, variety and number of users day by day. Research on the accuracy of the location obtained from these services continues. This study determined 42 stations in the United States of America and 18 stations in Turkey (with 10 - day good ionospheric conditions and 6 - day worse ionospheric conditions data sets) OPUS, CSRS web services in (depending on the duration of the session: 1 hour to 24 hours) evaluations were carried out. CSRS web service can evaluate GPS, GLONASS, Galileo data, but OPUS uses only GPS data. As can be seen from both the 1-hour results, it is thought that including GPS + GLONASS data in the evaluation has a positive effect. From the results we obtained, it was determined that 12 hours of observation should be made to good positioning accuracy under one cm using any of these applications. It has been determined that using the web-based GNSS evaluation services, good accurate positioning can be obtained from the data collected with a single receiver. But due to the publication time of precise ephemeris, as soon as the measurement is made, it is not possible to reach the mentioned accuracies. There are similar standards in the global world today and it can be said that a minimum of 2 hours of observation should be made for engineering applications. It has been determined that the web services used can reach the "high precision standard (horizontal 2 - 3 mm, vertical 3 - 5 mm) "defined by IGS with a minimum of 12 hours horizontally and 24 hours in vertical.Tuna ErolFaculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek articleCSRSGNSS EvaluationOPUSWeb-Based ServicesEngineering (General). Civil engineering (General)TA1-2040ENTehnički Vjesnik, Vol 28, Iss 6, Pp 2173-2181 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CSRS GNSS Evaluation OPUS Web-Based Services Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	CSRS GNSS Evaluation OPUS Web-Based Services Engineering (General). Civil engineering (General) TA1-2040 Tuna Erol OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
description	Global Positioning System (GPS), which has entered every aspect of human life since its first appearance, has become widespread with introducing other systems (GLONASS, Galileo, BeiDou, QZSS, IRNSS, etc.). Today, all systems' common name, Global Navigation Satellite Systems (GNSS), continue to exist in our lives. While processing the GNSS data, scientific/academic, commercial software, and web-based applications are being used. Web-based services have become widespread very quickly since their introduction. Web-based services have provided ease of use, free of charge, results in a short period of time for users and eliminated the dependence on licensed software. Today, web-based evaluation services increase their activities, variety and number of users day by day. Research on the accuracy of the location obtained from these services continues. This study determined 42 stations in the United States of America and 18 stations in Turkey (with 10 - day good ionospheric conditions and 6 - day worse ionospheric conditions data sets) OPUS, CSRS web services in (depending on the duration of the session: 1 hour to 24 hours) evaluations were carried out. CSRS web service can evaluate GPS, GLONASS, Galileo data, but OPUS uses only GPS data. As can be seen from both the 1-hour results, it is thought that including GPS + GLONASS data in the evaluation has a positive effect. From the results we obtained, it was determined that 12 hours of observation should be made to good positioning accuracy under one cm using any of these applications. It has been determined that using the web-based GNSS evaluation services, good accurate positioning can be obtained from the data collected with a single receiver. But due to the publication time of precise ephemeris, as soon as the measurement is made, it is not possible to reach the mentioned accuracies. There are similar standards in the global world today and it can be said that a minimum of 2 hours of observation should be made for engineering applications. It has been determined that the web services used can reach the "high precision standard (horizontal 2 - 3 mm, vertical 3 - 5 mm) "defined by IGS with a minimum of 12 hours horizontally and 24 hours in vertical.
format	article
author	Tuna Erol
author_facet	Tuna Erol
author_sort	Tuna Erol
title	OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
title_short	OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
title_full	OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
title_fullStr	OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
title_full_unstemmed	OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY
title_sort	opus and csrs web-based gnss services accuracies for data from usa and turkey
publisher	Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek
publishDate	2021
url	https://doaj.org/article/41f403cbd6c14689a8027e0dbd6499da
work_keys_str_mv	AT tunaerol opusandcsrswebbasedgnssservicesaccuraciesfordatafromusaandturkey
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OPUS and CSRS Web-Based GNSS Services Accuracies For Data From USA and TURKEY

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