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单选题 In GMDSS, which system has the least effective radius of operation
学科：GMDSS综合业务
时间：2024-06-19 13:46:05
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题目1单选题
Which of the followings is correctA. NAVTEX is least likely to be affected by atmospheric disturbancesB. MF NBDP is least likely to be affected by atmospheric disturbancesC. SES is least likely to be affected by atmospheric disturbanceD. HF NBDP is least likely to be affected by atmospheric disturbances
题目2单选题
In GMDSS, which system has the least effective radius of operationA. HF RTB. MF NBDPC. VHFDSCD. NAVTEX
题目3单选题
Where is the distress alerting made by MES in the INMARSAT system passed toA. MCCB. RCCC. LESD. NCS
题目4单选题
Any ships fitted with MES can( )and( )through the satellite system when sending a distress alertA. enter the system; contact an RCCB. access to INMARSAT; establish contact with a LESC. have the absolute priority to enter the system; make contact with a RCC associated the LESD. enter the system gradually; wait for rescue
题目5单选题
Which of the following indicates the SES antenna has locked onto the satelliteA. Signal strengthB. Signaling channelC. AntennaD. Unique word
题目6单选题
Within the polar areas it is( )to see a satellite in geostationary orbitA. impossibleB. possibleC. easyD. difficult
题目7单选题
Geostationary satellites are the man-made satellites which( )A. are always fixed in the regular positionB. sometimes move with the earthC. are synchronizing with the movement of the earthD. cannot fly off from the ground
题目8单选题
The satellites of INMARSAT are placed in( )35,700 km over the major ocean regionsA. a polar orbitB. a geostationary orbitC. the Milky wayD. the Moon
题目9单选题
Where is the geostationary orbit of INMARSAT SituatedA. Over the oceanB. On the globeC. Near polarD. Above the equator
题目10单选题
is the orbit of a geosynchronous satellite whose circular and direct orbitlies in the plane of the Earths equator, and it is approximately 35, 700 kilometersabove the equatorA. Polar orbitingB. GPS Satellite OrbitC. Geostationary Satellite OrbitD. The North and South poles
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