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How many frequencies are available under GMDSS for DSC Distress-related calls?

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Question 1 of 20

iqrGda88Lte2whMMMeNc

How many frequencies are available under GMDSS for DSC Distress-related calls?

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🔍 Key Concepts

• GMDSS (Global Maritime Distress and Safety System) structure of distress and safety frequencies • Difference between DSC (Digital Selective Calling) distress on MF/HF vs VHF • Which ITU Radio Regulations distress DSC channels are actually used worldwide

💭 Think About

• List all the standard DSC distress-related frequencies on VHF and MF/HF that are specified for distress and safety, then count them carefully. • Think about whether both coast stations and ship stations share the same DSC distress frequencies, or if some are only for one type of station. • Ask yourself if any of the commonly memorized DSC frequencies (for example, on HF bands) are actually duplicated or grouped, or if each one counts as a separate distinct frequency.

✅ Before You Answer

• Confirm which specific VHF channel is designated worldwide for DSC distress and safety calling. • Verify each of the MF/HF DSC distress frequencies (in kHz) that are designated internationally for distress-related DSC calls. • Double‑check that you are only counting the distress-related DSC calling frequencies, not routine or safety-only channels.

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Question 1 of 20iqrGda88Lte2whMMMeNc

How many frequencies are available under GMDSS for DSC Distress-related calls?

Back

Question 1 of 20

iqrGda88Lte2whMMMeNc

How many frequencies are available under GMDSS for DSC Distress-related calls?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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