Convertitore Rilevamento Nautico — Formula

Nautical Bearings

Three-Figure Bearing

Bearings are always given as three digits measured clockwise from north: 000° to 360°.

Quadrants

QuadrantRangeCardinal Q1000°-090°N to E Q2090°-180°E to S Q3180°-270°S to W Q4270°-360°W to N

Reciprocal Bearing

The opposite direction: add 180° (or subtract if over 180°). Used to find the return course.

Esempio Risolto

Analyze bearing 225°.

  1. Quadrant 3 (180°-270°): Southwest
  2. Reciprocal = 225 - 180 = 045° (Northeast)
  3. Approximate magnetic (-14° West US) = 239°