The address of acknowledgements of DSC alert should be____________.
A. MMSI of the ship in distress
B. MMSI of the ship (coast) station, who receives the alert
C. to all ships
D. to RCC concerned
查看答案
How many blips appeared on the screen of SART-detecting radar?
A. 6
B. 8
C. 12
D. At least 12
Who can impose silence on stations which interfere with distress traffic?
A. The Personal Radio Communications Branch of the ITU.
B. A radio operator trying to make a phone patch on company official business.
C. A ship looking for navigational information.
D. The administration concerned or coordinator involved in the handling of the emergency traffic.
How many total frequencies are available for DSC distress alerting on VHF band?
A. 1
B. 2
C. 5
D. 7
How many frequencies are available for DSC distress alerting on HF band?
A. 1
B. 2
C. 5
D. 7
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