相关考题
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单项选择题
Quadrantal error in a gyrocompass has its GREATEST effect（）.
A.in high latitudes
B.near the equator
C.on north or south headings
D.on intercardinal headings -
单项选择题
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
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 -
单项选择题
You have calibrated your RDF. When compiling the calibration table，the correction to be applied to any future RDF bearings is listed against the（）.
A.true bearing of the transmitter
B.relative bearing of the transmitter
C.heading of the vessel
D.time of reception
