The acronym SITOR (NBDP) stands for:

Question 1 / 20o4LuUNzDu7KzOet0kNfS

Question 1 of 20o4LuUNzDu7KzOet0kNfS

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Question 1 of 20

o4LuUNzDu7KzOet0kNfS

The acronym SITOR (NBDP) stands for:

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🔍 Key Concepts

• Meaning of NBDP in GMDSS communications • What TELEX is used for in maritime radio systems • Difference between simplex and duplex communications

💭 Think About

• Ask yourself: In GMDSS data systems, are we dealing more with voice (telephony) or text/message circuits? • Think about what part of the phrase the acronym NBDP (Narrow Band Direct Printing) describes: is it printing spoken words or printed text messages? • Consider which of the options correctly matches a system designed to send written messages over HF/MF radio

✅ Before You Answer

• Verify whether SITOR/NBDP is associated with telex-style text messaging rather than voice calls • Check if the system works primarily in simplex mode (one direction at a time) or full duplex (both ways at once) • Confirm that the correct wording matches the idea of a simplified telex-over-radio data service, not a voice telephone service

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Question 1 of 20

The acronym SITOR (NBDP) stands for:

Simplified Telephony Over Radio

Simplex TELEX Over Radio

Simplified TELEX Over Radio

Simplex Telephony Over Radio

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