USCG Exam Practice · Latitude, longitude, and geographic coordinates
What is a 'fix' in marine navigation?
- AA single line of position obtained from one celestial observation
- BA dead reckoning position advanced from a known point
- CThe intersection of two or more lines of position taken simultaneously✓ correct
- DAn electronic position obtained from a single GPS satellite
Why C is correct
A fix is defined as the intersection of two or more LOPs taken simultaneously. A single observation yields only a line of position, not a fix. (Bowditch Ch. 7 §701)
Cited:Bowditch Ch. 7 §701
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