A "Distress Hot Key" MF/HF DSC Distress alert:
Will be transmitted on 2187.5 kHz or another DSC frequency, depending on the manufacturer .
Will always be transmitted on 2187.5 kHz and 8414.5 kHz to trip DSC alarms on the mandatory MF/HF DSC watch frequencies.
Will always be transmitted on 2187.5 kHz first to alert the nearest vessels and coast stations.
Will always be sent first on 16804.5 kHz to reach coast stations far away from the vessel.
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