單項選擇題
A.cannot B.are not allowed C.have the right D.should get permission to
A.every two years B.every three years C.every year D.every four years
A.the radio regulations B.the technical terms and definitions C.how to operate the GMDSS SES equipment D.Maritime Communications
A.alphabetical B.figure C.name of stations D.series
A.radio direction-finding apparatus B.DSC C.NAVTEX D.EPIRB
A.871 B.872 C.873 D.874
A.routine B.distress C.urgency D.safety
A.581 B.582 C.583 D.584
A.Network B.The CES preferred by the applicant C.INMARSAT D.The SES itself
A.INMARSAT B.IMO C.MSC D.CES