A.Parallel bearings
B.Long-range bearings
C.Short-range bearings
D.Cross bearings
您可能感興趣的試卷
你可能感興趣的試題
A.High frequency pulses
B.Combinations of high and low frequency pulses
C.The same frequency for all stations in a chain
D.Varied long and short pulses
A.An atomic time standard
B.Daylight Savings Time
C.Eastern Standard Time
D.Greenwich Mean Time
A.one
B.two
C.three
D.four
A.Mate's license
B.Restricted radiotelephone operator permit
C.Second-class radio operator's license
D.Seaman's document
A.Navigational satellites
B.Loran
C.Omega
D.Any of the above
最新試題
Loran-C is which type of system（）.
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.
Which of the following statements is TRUE regarding crane operations（）.
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
What does not contribute to the commercial GPS receiver position error（）.
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.
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 loran lines drawn on navigation charts represent（）.
Would you please（）on the radar?