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In order to promote the BeiDou time transfer link to be used for UTC calculation as soon as possible, the relative calibration test of the BDS PPP link between the UTC (NTSC) and the UTC (JATC) was carried out in the National Time Service Center, and its accuracy was evaluated with reference to the GPS PPP link results published by the BIPM. The test results show that after the BDS PPP link between the UTC (NTSC) and the UTC (JATC) is calibrated, the peak deviation between the time comparison results and the BIPM GPS PPP link results is no more than 0.2 ns, satisfying the accuracy requirement of GNSS time transfer.

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Feasibility Analysis of Participate in UTC Calculations Using Beidou PPP Time Link

  • 会议论文

  • 发表日期：

    2025年

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  • Xiang-lei Wang,
  • Jing-xuan Li

摘要

In order to promote the BeiDou time transfer link to be used for UTC calculation as soon as possible, the relative calibration test of the BDS PPP link between the UTC (NTSC) and the UTC (JATC) was carried out in the National Time Service Center, and its accuracy was evaluated with reference to the GPS PPP link results published by the BIPM. The test results show that after the BDS PPP link between the UTC (NTSC) and the UTC (JATC) is calibrated, the peak deviation between the time comparison results and the BIPM GPS PPP link results is no more than 0.2 ns, satisfying the accuracy requirement of GNSS time transfer.