Subelement F: Maritime Safety Information (M.S.I.)— Topic :
Question 42F5
Element 7R (GMDSS-RO)What services are available through Enhanced Group Calls?
Explanation
Enhanced Group Calls (EGC) are a crucial component of the Global Maritime Distress and Safety System (GMDSS), primarily utilizing the Inmarsat satellite network. This service provides two main types of information:
1. **Maritime Safety Information (MSI):** This includes vital safety broadcasts like navigational warnings, meteorological warnings and forecasts, and search and rescue (SAR) information. This service is known as SafetyNET.
2. **Messages to pre-defined groups of subscribers:** This allows for the delivery of commercial or private messages to specific groups of vessels, often based on subscription or operational needs. This service is known as FleetNET.
Therefore, option C accurately describes the comprehensive services available through Enhanced Group Calls. Options A, B, and D are incorrect as they either inaccurately describe the scope of services ("vessel traffic lists"), mischaracterize the source/delivery method ("Hourly NOAA weather broadcasts"), or are too narrow in scope ("Coastal weather broadcasts").
Related Questions
42F3 Which of the following provides a unique automated system capable of addressing messages to predetermined groups of ships or all vessels in both fixed and variable geographic areas?42F4 What system may be useful for messages, such as local storm warnings or a shore-to-ship Distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?42F6 What messages originate from registered information providers anywhere in the world and are broadcast to the appropriate ocean region via a LES?43G1 Adjusting the volume control has the following results:43G2 The Dual Watch (DW) function is used to: