USCG Exam PracticePlotting with variation and deviation (T-V-M-D-C)
Variation printed inside a chart's compass rose represents the angle between which two references?
- ✓ True north and magnetic north at that locationCorrect
- B. Magnetic north and the vessel's compass north
- C. True north and the vessel's compass north
- D. Grid north and magnetic north at that location
Why A is correct
Variation is defined as the angle between true north and magnetic north at a given place and is printed inside the compass rose. Deviation, not variation, is the angle between magnetic north and the vessel's compass north. (Bowditch Ch. 6 §601)
Cited:Bowditch Ch. 6 §601