Home / Standards / GB/T 39614-2020 GB/T 39614-2020 Active Quality assessment specifications for reference stations using global navigation satellite system 卫星导航定位基准站网质量评价规范 Standard Type GBT ICS 07.040 CCS A76 Status 现行 Issue Date 2020-12-14 Implementation 2020-12-14 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A