In addition to meeting the requirement of sea area A1 and A2, every ship engaged on voyage in sea area A4 .$hall be provided with ______.
A. MF radio installation with DSC
B. SES
C. MF/HF radio installation with DSC
DSC 2,187.5 kHz watch receiver
查看答案
Both the satellite communication and terrestrial communications will ______.
A. be used in the GMDSS
B. be used only for general communications
C. be replaced by Morse
D. not be used in the GMDSS
The following radio communication systems are used in the GMDSS except ______.
A. the INMARSAT traffic system
B. DSC system
C. The COSPAS-ASRSAT system
D. The Globalstar traffic system
Which of the following equipment doesn’t belong to GMDSS?
A. 9 GHz SART.
B. Weather FAX receiver.
C. 406 MHz EPIRB.
D. VHF-DSC.
Which of the following equipment does not belong to GMDSS?
A. 9 GHz SART.
B. Weather facsimile receiver.
C. 406 MHz satellite EPIRB.
D. VHF DSC watch-keeping receiver.
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