单项选择题
A.radio direction-finding apparatus B.DSC C.NAVTEX D.EPIRB
The maritime access code of telephone mode in INMARSAT-...
单项选择题The maritime access code of telephone mode in INMARSAT-A terminal for the AOR(W) is().
A.871 B.872 C.873 D.874
In Inmarsat-A, “Priority 0” means()communication.A.rout...
单项选择题In Inmarsat-A, “Priority 0” means()communication.
A.routine B.distress C.urgency D.safety
The maritime access code for the IOR is()in INMARSAT-A ...
单项选择题The maritime access code for the IOR is()in INMARSAT-A Telex Service.
A.581 B.582 C.583 D.584