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Going down the ladder (true toward compass) subtract easterly and add westerly. Going up (compass toward true) add easterly and subtract westerly. "East is least, west is best" names the compass side.
Skill 1 · Compass conversionsProblem 1007
A bearing on the chart is 091°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?
A bearing on the chart is 091°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?
Give whole degrees (000 to 359). This one must be exact.
| True bearing | 091°T |
|---|---|
| Variation | 11°W |
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