Abstract

From October 7, 2012, to January 28, 2017 (GPS weeks 1709–1933) all products of the International GNSS Service (IGS)—precise ephemerides of GPS and GLONASS satellites, coordinates and velocities of permanent GNSS stations, etc.—were based on the IGb08 reference frame, the updated IGS realization of the release of the International Terrestrial Reference Frame (ITRF2008). Observations of GNSS satellites at permanent stations located in Ukraine and in Eastern Europe for this period were processed in the GNSS Data Analysis Centre of the Main Astronomical Observatory of the National Academy of Sciences of Ukraine. The processing was carried out with Bernese GNSS Software ver. 5.2 according to the requirements of the European Permanent GNSS Network (EPN) that were valid at that time. In total, observations on 232 GNSS stations, including 201 Ukrainian stations belonging to the following operators of GNSS networks were processed: MAO NAS of Ukraine, Research Institute of Geodesy and Cartography, NU Lviv Polytechnic (GeoTerrace), PJSC System Solutions (System.NET), TNT TPI company (TNT TPI GNSS Network), Navigation Geodetic Center Ltd. (NGC.net), UA-EUPOS/ZAKPOS, Europromservice Ltd. (EPS), Coordinate Navigation Maintenance System of Ukraine (CNMSU), and Kharkiv National University of Radio Electronics. The IGb08 reference frame was set by No-Net-Translation conditions on the coordinates of the IGS Reference Frame stations. As result, the stations’ coordinates in the IGb08 reference frame and the zenith tropospheric delays for all stations were estimated. The mean repeatabilities for components of stations’ coordinates for all weeks (the characteristics of the precision of the received daily and weekly solutions) are in the following ranges: for north and east components—from 0.5 mm to 1.6 mm (average values are 0.99 mm and 1.01 mm respectively), for hight component—from 2.2 mm to 5.4 mm (average value is 3.75 mm) with an outlier of 6.91 mm for GPS week 1759.

中文翻译：

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GPS周1709–1933年的东欧永久GNSS站在IGb08参考系中的坐标估计

摘要

从2012年10月7日到2017年1月28日（GPS周1709–1933），全球GNSS服务（IGS）的所有产品（基于GPS和GLONASS卫星的精确星历，永久GNSS站的坐标和速度等）都基于在IGb08参考框架上，更新了国际地面参考框架（ITRF2008）版本的IGS实现。乌克兰国家和国家科学院主要天文台的GNSS数据分析中心处理了这段时期在乌克兰和东欧的常设站对GNSS卫星的观测。该处理是使用Bernese GNSS软件版本2进行的。5.2根据当时有效的欧洲永久性GNSS网络（EPN）的要求。总共对232个GNSS站进行了观测，包括201个属于以下GNSS网络运营商的乌克兰站：乌克兰MAO NAS，大地测量与制图研究所，NU Lviv理工学院（GeoTerrace），PJSC系统解决方案（System.NET），TNT TPI公司（TNT TPI GNSS）网络），导航大地测量中心有限公司（NGC.net），UA-EUPOS / ZAKPOS，Europromservice Ltd.（EPS），乌克兰坐标导航维护系统（CNMSU）和哈尔科夫国立无线电电子大学。通过无网平移条件在IGS参考框架站的坐标上设置IGb08参考框架。结果，估算了所有台站在IGb08参考帧中的台站坐标和天顶对流层延迟。