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
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A.true bearing of the transmitter
B.relative bearing of the transmitter
C.heading of the vessel
D.time of reception
A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER
A.ZERO CLEARING
B.ANTI-CLUTTER-RAIN
C.DIMMER
D.CURSOR
A.bearing circle
B.pelorus
C.bearing bar
D.alidade
最新試題
When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
When your vessel is proceeding to the area of traffic density，（）is used to determine the exact ranges of other ships or objects in the vicinity.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
In using Loran-C，skywave reception gives greater range but is（）.
Automatic identification systems（AIS）are required to（）.
If the radio signal ground wave extends out for less distance than the minimum skywave distance，there is an area in which no signal is received．This is called the（）.
Which one of the followings does not limit the effective range of radar（）.
（）is not a component of GPS.