Home / Standards / GB/T 44977-2024 GB/T 44977-2024 Active Specification for security of positioning service terminal of reference stations using global navigation satellite system 卫星导航定位基准站网终端定位服务安全技术规范 Standard Type GBT ICS 07.040 CCS A76 Status 现行 Issue Date 2024-11-28 Implementation 2025-06-01 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A