全球连续监测评估系统（iGMAS） 实时服务　第1部分:数据流格式 Real-time service of international GNSS monitoring and assessment system (iGMAS)—Part 1: Data stream format  ICS  49.020 CCS  V 04   中华人民共和国国家标准 GB/T 44175.1—2024 2024-07-2 4发布 2024-07-2 4实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语、定义和缩略语   ·················································································   1      3.1     术语和定义   ······················································································   1      3.2     缩略语   ···························································································   1 4     总则   ··································································································   2      4.1     信息类型   ·························································································   2      4.2     信息结构   ·························································································   3      4.3     数据字段   ·························································································   4 5     系统参数信息格式   ····················································································   9 6     天线参考点信息格式   ·················································································   9 7     接收机和天线信息格式   ···············································································   9 8     GNSS观测数据信息格式   ·············································································   9 9     GNSS导航数据信息格式   ·············································································   9      9.1     BDS导航数据信息   ···············································································   9      9.2     GPS导航数据信息   ··············································································   13      9.3     GLONASS导航数据信息   ·······································································   14      9.4     Galileo导航数据信息   ···········································································   14 10     GNSS电离层参数信息格式   ········································································   14      10.1     BDS电离层参数信息   ··········································································   14      10.2     GPS电离层参数信息   ··········································································   15      10.3     Galileo电离层参数信息   ········································································   15 11     BDS﹘2完好性及差分信息格式   ·····································································   16 12     气象数据信息格式   ·················································································   17 13     时差测量数据信息格式   ·············································································   17 14     GNSS健康状态信息格式   ··········································································   17      14.1     通用格式   ······················································································   18      14.2     BDS健康状态信息   ············································································   18      14.3     GPS健康状态信息   ············································································   18      14.4     GLONASS健康状态信息   ······································································   18      14.5     Galileo健康状态信息   ··········································································   18 附录A （规范性）    RTCM STANDARD 10403.3﹘2022规定的格式   ································   19 GB/T 44175.1—2024     Ⅰ      A.1     数据流数据字段   ·········································