Which of the following is a correct dialing...

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Question 1 of 20CMMrITIYJtWOD0CoXGY1

Which of the following is a correct dialing sequence for a F77 vessel tracking the AOR-W satellite to make a voice call to an Iridium terminal via Yamaguchi (Japan)?

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Question 1 of 20

CMMrITIYJtWOD0CoXGY1

Which of the following is a correct dialing sequence for a F77 vessel tracking the AOR-W satellite to make a voice call to an Iridium terminal via Yamaguchi (Japan)?

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🔍 Key Concepts

• Inmarsat F77 dialing structure: ocean region code, Land Earth Station (LES) code, then the full phone number including any international access prefix • AOR-W vs POR/IOR/IOR: each ocean region has its own code that appears at the start of the dialing sequence • Iridium numbering: Iridium terminals use a special country code range (starting with 8816/8817) and may require an international prefix like 00 or 0088 depending on how the LES presents it

💭 Think About

• Which digits at the very beginning of the sequence are used to select both the correct ocean region (AOR‑W) and the correct LES (Yamaguchi)? Compare which choices match that pattern. • Look at the Iridium number formats: which choices show a number that looks like an Iridium international mobile number (starting with 8816/8817) versus something that looks like a normal geographic country code? • In Japan, what international access prefix is used when dialing out to special satellite/mobile country codes like Iridium? Check which options use an appropriate prefix before the 8816… portion.

✅ Before You Answer

• Confirm which ocean region/LES code pair is associated with AOR‑W via Yamaguchi (Japan) in your Inmarsat code tables. • Verify the Iridium country code pattern (8816/8817, etc.) and which option’s long number begins with that pattern after any international prefix. • Check that the sequence structure is [region/LES selector] + [international prefix] + [Iridium country code and number] and eliminate any option that breaks this logical order.

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Question 1 of 20CMMrITIYJtWOD0CoXGY1

Which of the following is a correct dialing sequence for a F77 vessel tracking the AOR-W satellite to make a voice call to an Iridium terminal via Yamaguchi (Japan)?

Back

Question 1 of 20

CMMrITIYJtWOD0CoXGY1

Which of the following is a correct dialing sequence for a F77 vessel tracking the AOR-W satellite to make a voice call to an Iridium terminal via Yamaguchi (Japan)?

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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