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Subelement I
Inmarsat Equip. & Comms:
Section 77
EGC:
Upon receipt of SafetyNETTM messages of the Distress or Urgency category on the ship's EGC receiver, what action is required by the GMDSS Radio Operator?
  • Correct Answer
    Manually reset the alarm.
  • No immediate action is required as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated.
  • No immediate action is required by the operator since the transmission will be automatically acknowledged by the receiving vessel.
  • A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory.
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What can be defined as the service that allows terrestrial information providers to send general information messages to pre-defined groups of subscribers?
  • SafetyNETTM
  • Correct Answer
    FleetNETTM
  • COSPAS-SARSAT
  • InfoNET
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What additional equipment provides the maximum availability for receiving SafetyNETTM broadcasts when the associated Inmarsat-C SES is engaged in communications?
  • An integrated EGC receiver with the existing Inmarsat-C equipment.
  • HF SSB can be used to receive voice MSI broadcasts.
  • Correct Answer
    A separate EGC receiver.
  • Automatic switching between Inmarsat-C and EGC functions.
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Which of the following is utilized to transmit Enhanced Group Calls?
  • COSPAS satellite
  • HF SITOR (NBDP) shore stations
  • NAVTEX shore stations
  • Correct Answer
    Inmarsat satellite
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What is the equipment arrangement that provides the maximum availability for reception of MSI broadcasts when using Inmarsat-C for TELEX communications?
  • Correct Answer
    Separate EGC receiver.
  • Integrating EGC receiver with the existing Inmarsat-C equipment.
  • Redundancy using HF SSB to receive voice broadcasts.
  • Automatic switching between Inmarsat-C and EGC functions.
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Which of the following statements concerning EGC configuration is false?
  • NAVAREA selection should be monitored and appropriately updated.
  • Correct Answer
    The originator of MSI information cannot specify receipt only by vessels within a specific geographical area, circular or rectangular.
  • The originator of MSI information can specify receipt only by vessels within a specific geographical area, circular or rectangular.
  • GMDSS operators generally can select additional NAVAREAS to acquire EGC messages of interest to the vessel.
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