A.be damaged
B.work normally regardless of harmful conditions
C.not wok though it is not in a bad condition
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A.COSPAS-SARSAT
B.SATELLITE
C.terrestrial radio
D.INMARSAT
A.RCC
B.MCC
C.LUT
D.MRCC
A.distress alerting
B.locating 406mhz EPIRBs
C.storing distress signal
D.A and B
A.No, it receives the MSI from ship stations
B.Yes, it can
C.only with NBDP terminal, can it receives the MSI sent from coast stations
D.No, it can not receive the MSI sent from coast stations
A.distress, urgent and safety
B.safety and routine
C.urgent, safety and routine
D.distress, urgent, safety and routine
最新試題
（）will form the basis for distress alerting and safety calling.
SOLAS ships shall be equipped with（）.
Radio beacon can be activated（）in case of distress.
On-scene communications will normally take place between（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
Radio communication（）for many years and helps to save tens of thousands of lives.
COSPAS-SARSAT is intended to be used for（）.