單項(xiàng)選擇題By using()system a ship can send a distress message and know with certainty it will be received.

A.COSPAS-SARSAT
B.SATELLITE
C.terrestrial radio
D.INMARSAT


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1.單項(xiàng)選擇題For COSPAS-SARSAT system,()usually transmit initial COSPAS-SARSAT alert.

A.RCC
B.MCC
C.LUT
D.MRCC

2.單項(xiàng)選擇題COSPAS-SARSAT is intended to be used for().

A.distress alerting
B.locating 406mhz EPIRBs
C.storing distress signal
D.A and B

3.單項(xiàng)選擇題Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?()

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

4.單項(xiàng)選擇題The priority of EGC messages is classified by().

A.distress, urgent and safety
B.safety and routine
C.urgent, safety and routine
D.distress, urgent, safety and routine