A.receiving messages/one station
B.transmission/ one coast station or ship
C.communicating /one ship
D.contacting/other
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A.120/20
B.56/18
C.100/16
D.96/8
A.VHF channel16 and 13
B.appropriate DSC distress and safety frequency
C.INMARSAT TDM message channel
D.VHF channel 70 and channel 8
A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message
A.keep silence
B.interfere with such communication
C.establish communication as directed and render such assistance as is required and appropriate
D.refuse communication as directed and render such assistance as it required and appropriate
A.INMARSAT SES
B.VHF/DSC or MF/DSC
C.SART and VHF/DSC
D.satellite EPIRB and VHF/DSC
最新試題
The advantage of geostationary satellites is（）.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
We consider（）send a helicopter with medical facilities to the distress area.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
All coast radio stations（）DSC installed for VHF and HF.
COSPAS-SARSAT is intended to be used for（）.
The rescue coordination center may（）on stations which interfere with traffic.