A.Decreasing loran readings on 9960-W
B.Visual bearings of Montauk Point Lt. changing to the left
C.Increasing bearings of Southeast Point Light
D.Decreasing soundings
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A.enter a traffic separation zone
B.cross a submerged pipeline
C.depart a regulated area
D.depart a restricted area
A.spider element
B.sensitive element
C.link arm
D.pickup transformer
A.VHF
B.Steering Gear
C.Rudder Indicator
D.Loran
A.make
B.be made
C.not make
D.not be made
A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port
最新試題
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.
The receiver uses（）satellites to compute latitude，longitude，altitude，and velocity．
The operation of which aids to navigation may be suspended during war or national emergency（）.
（）is not a component of GPS.
The line connecting the Loran-C master station with a secondary station is called the（）.
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.
Radar makes the most accurate determination of the（）.
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.
To obtain accuracy in fixing by DF，（）and three stations should be used.
You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.