单项选择题
If EGC receiver shares a same antenna with INMARSAT MES, it means that it can receive MSI（）.
A.from any INMARSAT satellite B.via any appropriate Navtex and EGC station C.via the satellite the MES is tracking D.from any RCC and coast station
单项选择题 EGC safetyNet transmits（）types of messages for mariners.
单项选择题 However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warning are（）.
单项选择题 The International SafetyNet Service is able to address the call to（）.
