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Distance & Bearing Calculator

The Distance and Bearing Calculator allows amateur radio operators to calculate the great-circle distance and bearing between two stations. You can use grid squares, geographic coordinates, or select locations directly on the map. The tool is useful for antenna aiming, contest analysis, and general operating awareness.

Distance & Bearing — Station / Grid Locator
Grid ↔ Grid • Coordinates • Map click picker (OpenStreetMap)
Map pick: Auto-switches to B after A.
Auto-filled from map/coords (6-char)
Auto-filled from map/coords (6-char)
Pick points on the map or enter grids/coordinates. Auto-calculates when A and B are set.
Map picker (A / B / Midpoint)
Tip: Click “Pick Point A”, click the map, then click again for Point B. Midpoint is marked automatically.