The 406 MHz distress signal in the GMDSS is associated with which system?

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Multiple Choice

The 406 MHz distress signal in the GMDSS is associated with which system?

Explanation:
406 MHz distress beacons are part of the COSPAS-SARSAT satellite-aided search and rescue network. When a beacon transmits on 406 MHz, it sends a digital identification payload that COSPAS-SARSAT satellites pick up and relay to ground stations and rescue coordination centers, enabling fast localization and alerting of the appropriate authorities. Inmarsat is a separate satellite communications system used for voice and data links, not the 406 MHz distress-alert network. GPS/NAVSTAR are navigation systems and do not handle distress signaling or SAR coordination.

406 MHz distress beacons are part of the COSPAS-SARSAT satellite-aided search and rescue network. When a beacon transmits on 406 MHz, it sends a digital identification payload that COSPAS-SARSAT satellites pick up and relay to ground stations and rescue coordination centers, enabling fast localization and alerting of the appropriate authorities. Inmarsat is a separate satellite communications system used for voice and data links, not the 406 MHz distress-alert network. GPS/NAVSTAR are navigation systems and do not handle distress signaling or SAR coordination.

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