Solar-Terrestrial Physics Solar-Terrestrial Physics Solar-Terrestrial Physics 2500-0535 28059 10.12737/stp-51201912 Results of current research Results of current research Results of current research Solving a navigation problem with the total electron content model GEMTEC Solving a navigation problem with the total electron content model GEMTEC Холмогоров Андрей Александрович Kholmogorov Andrey Aleksandrovich varagon007@yandex.ru Иванов Всеволод Борисович Ivanov Vsevolod Borisovich ivb@ivb.baikal.ru

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 Горбачев Олег Анатольевич Gorbachev Oleg Anatolyevich gorbachev_oa@mail.ru

доктор технических наук;

doctor of technical sciences;

 Иркутский государственный университет Иркутск Россия Irkutsk State University Irkutsk Russian Federation Иркутский государственный университет Иркутск Россия Irkutsk State University Irkutsk Russian Federation Иркутский филиал Московского государственного технического университета гражданской авиации Иркутск Россия Irkutsk Branch of Moscow State Technical University of Civil Aviation Irkutsk Russian Federation 5 1 82 85 https://naukaru.ru/en/nauka/article/28059/view

This article explores the possibility of improving the accuracy of positioning in single-frequency satellite radio navigation equipment through the use of an empirical model of the total electronic content GEMTEC. The effectiveness of this model is compared with that of the Klobuchar model, which is recommended for the GPS interface control document. We conducted testing at our observation points, using data from the international network of IGS stations in the GPS system. The use of the international network allowed us to select a long period of time for the testing from 2001 to 2017. As a result, it was shown that the GEMTEC model significantly reduces the average positioning errors as compared to the Klobuchar model. We also demonstrate the possibility of introducing the GEMTEC model and its full-featured use in single-frequency home-class receivers, for example, in the Russian receiver MNP-M7.

This article explores the possibility of improving the accuracy of positioning in single-frequency satellite radio navigation equipment through the use of an empirical model of the total electronic content GEMTEC. The effectiveness of this model is compared with that of the Klobuchar model, which is recommended for the GPS interface control document. We conducted testing at our observation points, using data from the international network of IGS stations in the GPS system. The use of the international network allowed us to select a long period of time for the testing from 2001 to 2017. As a result, it was shown that the GEMTEC model significantly reduces the average positioning errors as compared to the Klobuchar model. We also demonstrate the possibility of introducing the GEMTEC model and its full-featured use in single-frequency home-class receivers, for example, in the Russian receiver MNP-M7.

 GPS single-frequency receiver ionosphere models GPS single-frequency receiver ionosphere models

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