A.by 01 Feb 1992
B.by 01 Aug 1993
C.between 01 Feb 1992 and 01 Feb 1999
D.before 01 Feb 1992
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A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance
B.Urgent communications do not need to be entered in the GMDSS radio log
C.Both of the above
D.None of the above
A.GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea
B.All distress communications must be entered in the GMDSS radio log
C.Both of the above
D.None of the above
A.Redundancy of functions of certain equipment will partially meet this requirement
B.On-board maintenance provided by a person holding a GMDSS maintainer's license will partially meet the requirements
C.Shoreside maintenance and scheduled tests and inspections will partially meet this requirement
D.All of the above
A.While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy
B.Both the VHF and MF/HF installations must be simultaneously supplied
C.A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power
D.If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power
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Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
All coast radio stations（）DSC installed for VHF and HF.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
By using（）system a ship can send a distress message and know with certainty it will be received.
Ship-to-ship distress alerting should be conducted by（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
The advantage of geostationary satellites is（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
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.