A.on loran charts covering areas where sky waves are used
B.in the Radio Aids to Navigation，PUB 117
C.in the Loran-C Correction Tables
D.Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
您可能感興趣的試卷
你可能感興趣的試題
A.full confirmation
B.precise appreciation
C.immediate assessment
D.timely recognition
A.direction of a target
B.distance to a target
C.size of a target
D.shape of a target
A.brightness of objects
B.color of targets
C.shape of targets
D.bearing of objects
A.Latitude
B.Longitude
C.Speed
D.Time
A.deviation
B.variation
C.local attraction
D.All of the above
最新試題
The heading of a vessel is indicated by what part of the compass? （）
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
Would you please（）on the radar?
What does not contribute to the commercial GPS receiver position error（）.
Loran-C uses the multiple pulse system because（）.
With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.
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（）.
The operation of which aids to navigation may be suspended during war or national emergency（）.