Module 8 - Digital Selective Calling

What DSC Does

Digital Selective Calling sends digital alerts and calls on Channel 70. It can alert stations, identify the calling set, and request a voice channel.

DSC does not replace clear voice procedure. It helps establish the call and can transmit key distress details.

  • Digital alerts on Channel 70
  • Uses MMSI identity
  • Normally followed by voice

Continue studying Digital Selective Calling

This public lesson is part of Revision Module 8. Full revision access adds the guided Learn, Practise and Test flow, flashcards and revision progress.

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