A.Inmarsat SESB.VHF DSC or MF DSCC.SART and VHF DSCD.Sa……

单项选择题If a DSC distress relay is transmitted from coast station , it will（）.

A.indicate the ship in distress that the alert has been received
B.alert ships in the area of a distress incident that a distress has occurred
C.inform other coast station of distress incident
D.repeat the distress alert in 5 minutes

单项选择题EGC is a（）part of INMARSAT-C.

A.component
B.supportable
C.combined
D.complimentary

单项选择题Distress signal are always stored in the memory so as to start（）.

A.local-mode coverage
B.SAR operations
C.data process
D.continuous broadcast

单项选择题Which Inmarsat system applies store-and-forward messaging?（）

A.Inmarsat-A
B.Inmarsat-C
C.Inmarsat-B
D.Inmarsat-M

单项选择题（）are operated as a secondary method of alerting in the GMDSS.

A.satellite EPIRBs
B.Non-satellite EPIRBs
C.SES and DSC