A.10 meters
B.20 meters
C.50 meters
D.100 meters
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A.Satellite clock
B.Ship's speed
C.Atmospheric/ionospheric propagation
D.Receiver
A.Parallel bearings
B.Long-range bearings
C.Short-range bearings
D.Cross bearings
A.High frequency pulses
B.Combinations of high and low frequency pulses
C.The same frequency for all stations in a chain
D.Varied long and short pulses
A.An atomic time standard
B.Daylight Savings Time
C.Eastern Standard Time
D.Greenwich Mean Time
A.one
B.two
C.three
D.four
最新試題
Loran-C is which type of system（）.
The line connecting the Loran-C master station with a secondary station is called the（）.
Which of the following statements is TRUE regarding crane operations（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
The heading of a vessel is indicated by what part of the compass? （）
With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.
Automatic identification systems（AIS）are required to（）.
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.