A.fore-and-aft and athwartships magnets
B.dip needle and heeling magnet
C.heeling magnet and Flinders bar
D.Flinders bar and quadrantal spheres
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
In using Loran-C,skywave reception gives greater range but is().
The receiver uses()satellites to compute latitude,longitude,altitude,and velocity.
()is not a factor which will affect the accuracy of GPS receiver.
The()transmits own ship data cyclically via two defined VHF channels and receives the same data of the other ships and objects that are equipped with AIS systems.
To obtain accuracy in fixing by DF,()and three stations should be used.
The loran lines drawn on navigation charts represent().
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of().
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found().
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().
Would you please()on the radar?