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
The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.
Would you mind（）your DF?
What does not contribute to the commercial GPS receiver position error（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
Loran-C uses the multiple pulse system because（）.
The information received by AIS will be displayed on（）.
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.
With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.
The heading of a vessel is indicated by what part of the compass? （）
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（）.