Coordinate–time measurements are considered as one of the most common types of measurements in various radio navigation and radar systems in the field of geodesy and radio communications. It is shown that the increase in the number of coordinate–time measuring instruments, as well as the increased level of requirements for the accuracy of determining user coordinates, stipulated the relevance of the development of the State Primary Special Standard of Location Coordinates. The composition of the State primary special standard of location coordinates GET 218-2022, developed at VNIIFTRI, is presented, which will ensure the uniformity of measurements of coordinates and azimuth, satellite geodetic and navigation equipment using signals from global navigation satellite systems GLONASS, GPS, Galileo, BeiDou and ground augmentations. The metrological characteristics of GET 218-2022 in terms of storing absolute coordinates, reproducing/measuring the unsolicited range in phases of the ranging code and carrier frequency, reproducing the coordinates of the consumer of global navigation satellite systems, measuring increments of coordinates in coordinate systems are studied. The results of studies of the metrological characteristics of GET 218-2022 in terms of storing absolute coordinates and measuring increments of user coordinates showed a comparable level of accuracy with the characteristics of the international ITRS system. With the use of GET 218-2022, it is possible to test such promising measuring instruments as high-precision unsolicited measurement systems, precision receivers of global navigation satellite systems in the mode of absolute/relative phase measurements.
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GOST R 8.750-2011. GSI. State verification scheme for coordinate–time measuring instruments.
Order of the Federal Agency for Technical Regulation and Metrology dated September 1, 2022 No. 2175 "On Approval of the State primary special reference of position coordinates."
Coordinates and speed of ITRF2020 stations. URL: https://itrf.ign.fr/ftp/pub/itrf/itrf2020/ITRF2020_GNSS.SSC.txt (accessed 08/01/2022).
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Translated from Izmeritel'naya Tekhnika, No. 11, pp. 3–8, October, 2022.
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Karaush, E.A., Pecheritsa, D.S. State Primary Special Standard of Location Coordinates Get 218-2022: Study of Metrological Characteristics. Meas Tech 65, 787–792 (2023). https://doi.org/10.1007/s11018-023-02152-6
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DOI: https://doi.org/10.1007/s11018-023-02152-6