How are NAVTEX broadcasts transmitted?

Official USCG Answer & Rule Citation

Correct Answer: Option A — Using FEC techniques.

NAVTEX utilizes Forward Error Correction (FEC) techniques on 518 kHz to ensure reliable data transmission. This mode, specifically SITOR-B, provides error detection and correction capabilities essential for the automated reception of Maritime Safety Information (MSI) without requiring a return link from the receiving vessel, as mandated by IMO GMDSS standards.

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