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Compute lat/lon given radial and distance from a known point. Enter lat/lon of initial point, true course and distance. Select distance units and earth model and click "compute". Lat/lons may be entered in DD.DD, DD:MM.MM or DD:MM:SS.SS formats. Note that the starting point cannot be a pole.
- Ed Williams' Aviation Page
Ed Williams' Aviation page. My 182 . My aviation formulary...
- Ed Williams' Aviation Page
Calculate the great circle distance between two addresses. Draw a direct route between two airports, or multiple airport pairs. Draw range rings (concentric circles) around a point. Calculate coordinates at a given bearing and distance. Coordinate Converter.
Use Great Circle Mapper to calculate the distance and flight duration between all airports worldwide and draw the flight route on a map.
Great Circle Map displays the shortest route between airports and calculates the distance. It draws geodesic flight paths on top of Google maps, so you can create your own route map.
This calculator computes the great circle distance between two points on the earth's surface. The program is operated by entering two geographic points and then pressing the Calculate button. The entry form allows you to enter geographic position in degrees, minutes, and seconds.
Celestial navigation course for beginners. Voyage planning/passage planning tool. Single rhumb line and great circle calculations on an ellipsoid.
Calculation of Great Circle Distance. Enter Longitute and Latitute of both places (decimal degrees): Long1: Lat1:
