7-A-056: EGC
7-56H1:
Over what system are Enhanced Group Calls transmitted?
Inmarsat satellite
COSPAS satellite
HF SITOR shore stations
NAVTEX shore stations
7-56H2:
How are MSI (Marine Safety Information) broadcasts received in an EGC receiver integrated with existing Inmarsat equipment when the SES is otherwise engaged in communications?
There is no loss of information since broadcasts of "vital" messages will be repeated.
The broadcast message is missed and the Radio Operator must request a retransmission.
The broadcast message is stored in the EGC memory and will automatically be printed at the conclusion of the ongoing traffic.
The radio operator can request retransmission of messages missing from numeric serial number succession.
7-56H3:
Which of the following provides a unique automated system capable of addressing messages to pre-determined groups of ships or all vessels in both fixed and variable geographic areas?
EGC
NAVTEX
AFRTS
NAVAREAs
7-56H4:
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?
EGC
NAVTEX
AMVER
DSC
7-56H5:
What services are available through Enhanced Group Calls?
Maritime Safety Information and messages to pre-defined groups of subscribers.
Maritime Safety Information and vessel traffic lists.
Hourly NOAA weather broadcasts from the NWS.
Coastal weather broadcasts.
7-56H6:
What messages originate from registered information providers anywhere in the world and are broadcast to the appropriate ocean region via a CES?
SafetyNET™ messages
AMVER broadcasts
Urgency messages
NAVTEX broadcasts
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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