单项选择题

The position of INMARSAT AOR-W satellite is（）above the equator.

A.55.5 W
B.180E
C.15.5W
D.64.5E

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

The complying vessels can transmit ship-to-shore distress alerts by at least（）.

A.one means, whether satellite or terrestrial techniques
B.two means, whether satellite or terrestrial techniques
C.two separate and independent means, each using different radio communication services
D.two means, such as MF DSC and HF DSC

单项选择题

The GMDSS is a world-wide communication network combining（）with（）.

A.satellite /terrestrial system
B.INMAARSAT/COSPAS-SARSAT
C.SART / EPIRB
D.geostationary/polar-orbiting satellites

单项选择题

The general benefit of the GMDSS is to（）.

A.enable SAR operations to start with minimum delay
B.give facilities to marine communication
C.reduce sharply the chances of ship’s sinking
D.both A and C