DSC transmissions are encoded:

Question 1 / 20g7j1g4HF1MtyVOuiLIeK

Question 1 of 20g7j1g4HF1MtyVOuiLIeK

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g7j1g4HF1MtyVOuiLIeK

DSC transmissions are encoded:

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🔍 Key Concepts

• Digital Selective Calling (DSC) basics and what it is used for in GMDSS VHF/MF/HF radios • Difference between emission designators (like J3E, J2B, F1B) and error detection/coding in digital signals • How DSC calls are structured to make sure messages are received correctly

💭 Think About

• Which of the options refers to an error-detecting code versus a radio emission mode? • Think about what is needed to make sure digital distress and safety messages are received without confusion or corruption. • Ask yourself: does DSC need a specific voice mode, a specific data mode, or a specific coding method to protect the information?

✅ Before You Answer

• Identify which choices (A, B, D) are emission modes (look up what J3E, F1B, J2B mean) and which choice is not an emission mode. • Confirm what kind of modulation/emission class is actually used by DSC on VHF Channel 70 and MF/HF DSC frequencies. • Verify how DSC messages are made robust against errors (look up if they use any error-detecting code or redundancy).

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Question 1 of 20

DSC transmissions are encoded:

Using J3E mode for proper follow-on communications.

Using F1B mode to ensure proper reception.

Using a ten- bit error detecting code .

Using J2B mode for correct transmission.

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Question 1 / 20g7j1g4HF1MtyVOuiLIeK

Question 1 of 20g7j1g4HF1MtyVOuiLIeK

DSC transmissions are encoded:

Back

Question 1 of 20

g7j1g4HF1MtyVOuiLIeK

DSC transmissions are encoded:

No comments yet

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If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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