General Navigation USCG Question #2125 (Set 65)

Your vessel is participating in the Voluntary Observing Ship Program, you are preparing WS Form B-80 as seen in illustration D041NG below. Your position is LAT 64°42'N, LONG 02°28'W. How would this be encoded?

USCG Exam Illustration D041NG
USCG Examination Diagram: Illustration D041NG
Official USCG Answer & Rule Citation

Correct Answer: Option D — 99647, 70025

Voluntary Observing Ship weather message encoding rules require quadrants and position groups to be formatted with specific directional indicators and tens/units digits. Latitude 64°42'N and Longitude 02°28'W are formatted into standard WMO groups using quadrant specifier 7.

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