1 解决

28 浏览

• fp2090 2021-04-03

The GMDSS contains two independent systems for MSI broadcasts, they are________

GMDSS英语1

1 解决

92 浏览

• Tate 2021-04-03

The GMDSS system will also provide for urgency and safety communication and dissemination of_____ , including navigational and meteorological warnings.

GMDSS英语1

1 解决

114 浏览

• qutui 2021-04-03

However, reception of certain types of MSI messages, such as shore-to-ship alerts and navigational and meteorological warning are ____.

GMDSS英语1

1 解决

40 浏览

• 1234 2021-04-03

As each general MSI message has a unique identity, the printing of messages already received correctly will be______.

GMDSS英语1

1 解决

73 浏览

• qwertyyu 2021-04-03

_____mean(s) navigational and meteorological warnings, meteorologicalforecasts and other urgent safety related messages broadeast to ships.

GMDSS英语1

1 解决

107 浏览

• 130****6663 2021-04-03

______service was established by IMO and IHO for the purpose of coordinating the transmission of navigational warnings to ships in coordinated geographical areas.

GMDSS英语1

1 解决

65 浏览

• 安娜尔 2021-04-03

WWNWS, the World Wide Navigational _________ Service, is a coordinate global service for the broadcast by radio of vital information on hazards to marine navigation.

GMDSS英语1

1 解决

107 浏览

• fengshan 2021-04-03

The proper operation of the DSC facilities shall be tested by means of a test call, when within communication range coast station fitted with DSC equipment. What is the period?

GMDSS英语1

1 解决

94 浏览

• jim19970316 2021-04-03

If you intend to send a weather observation message, you will use the instruction_____

GMDSS英语1

1 解决

106 浏览

• 许多的小兵器 2021-04-03

In NBDP service, the mode___ would be selected to receive weather broadcasts from high seas shore stations.

GMDSS英语1

1 解决

33 浏览

• hytzyj 2021-04-03

A VHF frequency channel pair of TX 157.200 MHz and RX 161 .800 MHz would most likely be_____.

GMDSS英语1

1 解决

81 浏览

• 达达 2021-04-03

Which HF NBDP mode would be selected to receive weather broadcasts from high seas shore stations?

GMDSS英语1

1 解决

79 浏览

• 退役熬夜冠军 2021-04-03

The characters _____ are sent by the shore station to indicate that he has shifted control to and is awaiting instructions from the vessel.

GMDSS英语1

1 解决

38 浏览

• qingyun 2021-04-03

If you intend to send a message to subscribers ashore directly by NBDP, you will use the instruction_____.

GMDSS英语1

1 解决

40 浏览

• zhy158 2021-04-03

Once ARQ communications with the coast radio station has been established, what will happen?

GMDSS英语1

1 解决

91 浏览

• y0000z 2021-04-03

The group keystrokes or characters in choice _____is sent as part of ARQ communications to signal the end of the text.

GMDSS英语1

1 解决

95 浏览

• hxc 2021-04-03

Regarding a NBDP call to shore station SHAI CN, whose selective calling number is 2010, which sequence of characters or means would be used?

GMDSS英语1

1 解决

76 浏览

• xiaodiao6664 2021-04-03

The group of keystrokes or characters of followings ____will follow most commands in an ARQ communications.

GMDSS英语1

1 解决

117 浏览

• 石头 2021-04-03

Regarding sending an urgency message to "all ships" via NBDP terminal. Which of the followings is correct?

GMDSS英语1

1 解决

31 浏览

• y0000z 2021-04-03

In which mode should urgency communication " to all stations " by direct printing telegraphy normally be established?

GMDSS英语1