IEC 61097-4-2019
全球海上遇险和安全系统(GMDSS).第4部分:Inmarsat-C船舶地面站和Inmarsat增强群呼(EGC)设备.操作和性能要求 试验方法和要求的试验结果
Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testi