单项选择题
A.Yamaguchi, Japan B.Beijing, China C.Nakhodka, Russia D.Perth, Australia
The NCS of INMARSAT-A system in the IOR is in().A.Goonh...
单项选择题The NCS of INMARSAT-A system in the IOR is in().
A.Goonhilly, UK B.Yamaguchi, Japan C.Perth, Australia D.Southbury, USA
The GMDSS defines four sea area based on the().A.locati...
单项选择题The GMDSS defines four sea area based on the().
A.location and capacity of the facilities located on board ships B.Position and type of a sincere sintion C.Capacity and location of shore based communication facilities D.Position and capacity of mobile communication stations
The position if the IOR satellite in the INMARSAT syste...
单项选择题The position if the IOR satellite in the INMARSAT system is()above the equator.
A.64.5E B.178E C.15.5W D.54W