A、one minute
B、three minutes
C、five minutes
D、eight minutes
更多“Routine radio communications should be no more than（）.”相关的问题
A、DSC provides reception of weather and navigational warnings plus search and rescue information B、DSC provides low-cost，routine communications for the vessel operator C、DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio D、This aids SAR authorities in tracking a vessel's position by satellite
A、distress, urgent and safety B、safety and routine C、urgent, safety and routine D、distress, urgent, safety and routine
A、After determining that the frequency or channel appears to be no longer in use B、After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications C、Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded D、If，in the Master's opinion，communications on that frequency will interfere with emergency communications
A、the radio apparatus fitted on the portside B、the radio with a portable equipment C、the radio equipment which is easily movable D、the portable radio with some apparatus
A、the radio apparatus fitted on the portside B、the radio with a portable equipment C、the radio equipment which is easily movable D、the portable radio with some apparatus
A、General Standard Radio System B、General Packet Radio System C、General Packet Radio Service D、Global Packet Radio Service
A、Global Packet Radio Service B、General Packet Radio System C、General Packet Radio Service D、Global Packet Radio System
A、Global Packet Radio Service B、General Packet Radio Service C、General Packet Radio System D、Global Packet Radio System
客服
TOP
查看正确答案
