The abbreviation WWNWS means ______.
______ service was established by IMO and IHO for the purpose of coordinating the transmission of navigational warnings to ships in coordinated geographical areas.
What service was established by IMO and IHO for the purpose of coordinating the transmission of navigational warnings to ships in coordinated geographical areas?
Which NAVAREA does China waters belong to?
What information does NAVTEX system broadcast?
Regarding NAVTEX message format, ______ is correct.
______ mean(s) navigational and meteorological warnings, meteorological forecasts and other urgent safety related messages broadcast to ships.
As each general MSI message has a unique identity, the printing of messages already received correctly will be ______.
However, reception of certain types of MSI messages, such as shore-to-ship alerts and navigational and meteorological warning are ______.
What contents do Maritime Safety Information broadcast?
The GMDSS system will also provide for urgency and safety communication and dissemination of ______, including navigational and meteorological warnings.
______ will apply to those ships which receive MSI.
What service(s) do(es) EGC system support? ①SafetyNET service for promulgation of MSI; ②FleetNET service for transmission of fleet management and general public information to fleets or groups of ships; ③INMARSAT system information
In area A4, ______ can be used to broadcast MSI.
Maritime Safety Information includes ______. ①meteorological warnings; ②meteorological warnings and forecasts; ③other urgent safety related messages broadcast to ships
