What sea area is defined as being within...

Question 1 / 20QBF39W3izNEtNCt9U7nm

Question 1 of 20QBF39W3izNEtNCt9U7nm

What sea area is defined as being within range of a shore-based MF station that provides for continuous DSC alerting?

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Question 1 of 20

QBF39W3izNEtNCt9U7nm

What sea area is defined as being within range of a shore-based MF station that provides for continuous DSC alerting?

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🔍 Key Concepts

• GMDSS sea areas and how they are formally defined • Difference between VHF (very high frequency) coverage and MF (medium frequency) coverage • Role of DSC (Digital Selective Calling) in defining sea areas

💭 Think About

• Which sea area is tied specifically to VHF coast stations with continuous DSC watch, and which is tied to MF coast stations? • Think about the approximate distance from shore that MF DSC coast stations can cover compared with VHF. • Eliminate any option that is clearly about a different frequency band or a different type of coverage than MF DSC.

✅ Before You Answer

• Match each answer choice to its formal GMDSS sea area definition (A1, A2, A3, etc.). • Verify which sea area explicitly mentions MF coast stations providing continuous DSC alerting in its definition. • Confirm that you are not mixing up A1 (VHF) and A2 (MF) coverage descriptions.

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Question 1 of 20

What sea area is defined as being within range of a shore-based MF station that provides for continuous DSC alerting?

Coastal waters

Sea area A3

Sea area A1

Sea area A2

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