A.An atomic time standard
B.Daylight Savings Time
C.Eastern Standard Time
D.Greenwich Mean Time
您可能感興趣的試卷
你可能感興趣的試題
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
A.Ground waves
B.Skywaves
C.Either ground waves or skywaves interchangeably
D.An average between ground wave and skywave positions
A.Focus line
B.Base line
C.Side line
D.Center line
最新試題
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（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
Which of the following statements is TRUE regarding crane operations（）.
The receiver uses（）satellites to compute latitude，longitude，altitude，and velocity．
（）is not an alarm required by IMO standards to be available on the ECDIS.
The information received by AIS will be displayed on（）.
The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.
What does not contribute to the commercial GPS receiver position error（）.
To obtain accuracy in fixing by DF，（）and three stations should be used.
Which one of the followings does not limit the effective range of radar（）.