Tagged: dsc
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RYA SRC Part 4 — DSC and MMSI: How the Radio Calls Other Radios
Digital Selective Calling unpacked — the four call priorities, the four call types, the nine-digit MMSI structure and what each prefix means, the nature-of-distress menu options, and what happens if a small craft tries to acknowledge a distress alert in Sea Area A1 (don't).