Home / Standards / GB/T 18897-2002 GB/T 18897-2002 Active Performance requirements and test methods for Doppler very high frequency omnidirectional radio range 多普勒甚高频全向信标性能要求和测试方法 Standard Type GBT ICS 33.200 CCS M50 Status 现行 Issue Date 2002-12-04 Implementation 2003-05-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A