中国卫星导航系统管理办公室测试评估研究中心

Test and Assessment Research Center of China Satellite Navigation Office

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北斗系统用户通告（NABU）20220003

通告编号 20220003 通告日期（UTC） 2022-06-24 08:40 通告类型升级维护（RNSS_UPD_MTNC）
北斗系统用户通告（NABU）20220002

通告编号 20220002 通告日期（UTC） 2022-06-17 10:00 通告类型升级维护（RNSS_UPD_MTNC）
北斗系统用户通告（NABU）20220001

通告编号 20220001 通告日期（UTC） 2022-06-15 10:00 通告类型升级维护（RNSS_UPD_MTNC）
关于北斗三号在轨卫星开展升级维护操作的公告

为进一步提升北斗三号全球卫星导航系统服务性能，提供安全、稳定、可靠的优质服务，计划于2022年6月至10月期间，分阶段对30颗北斗三号卫星实施在轨软件升级工作。
北斗三号系统最后一颗组网卫星入网工作

北斗卫星导航系统第55颗卫星（北斗三号系统地球静止轨道卫星）已完成在轨测试、入网评估等工作，于近日正式入网，使用PRN61提供定位导航授时服务。

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