A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER
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A.in high latitudes
B.near the equator
C.on north or south headings
D.on intercardinal headings
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
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
最新試題
（）is a digitized“picture”of a chart.
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（）.
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
Would you mind（）your DF?
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.
The heading of a vessel is indicated by what part of the compass? （）
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.
Loran-C uses the multiple pulse system because（）.