A.ITU Publications
B.The manufacturers instruction manuals
C.Part 90 of the FCC Rules and Regulations
D.Code of Federal Regulations，Title 47，Part 80，Subpart W
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A.VHF
B.SART
C.NAVTEX
D.LES
A.VHF
B.SART
C.NAVTEX
D.LES
A.forward error correction
B.aftward error correction
C.DGPS
D.error-free and low error reception
A.At least two years after the last entry
B.At least one year after the last entry
C.At least 90 days after the last entry
D.At least 30 days after the last entry
A.LES
B.ESA
C.NCS
D.EGC
最新試題
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
COSPAS-SARSAT is intended to be used for（）.
Ship-to-ship distress alerting should be conducted by（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
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.
Before GMDSS, if the radio officer on board is serious ill,（）.
What following is not among the function of SOLAS ships?（）
We consider（）send a helicopter with medical facilities to the distress area.