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Formulas, programs and calculations to obtain distance and course (bearing) - loxodromic distances (rhumb line) and orthodromic waypoints (great circle sailing) - orthodromic and loxodromic navigation calculator - two spreadsheet excel files - (free download and use!)
Short distance sailing is a term which is applied to sailing along a rhumb-line for distances less than 600 nautical miles. From the formulas derived above, the following are used extensively in short distance sailing: To Calculate Departure when the course is not known: dep.= d.long cos(mean lat)
Voyage planning/passage planning tool. Single rhumb line and great circle calculations on an ellipsoid.
Celestial navigation course for beginners. Voyage planning/passage planning tool. Single rhumb line and great circle calculations on an ellipsoid.
Calculation of a distance on loxodrome (rhumb line) and course angle (azimuth) between two points with a given geographical coordinates.
The formulas for determining a ship’s dead-reckoned position, given an initial known location, the vessel’s course and speed, and the time elapsed, are referred to as the sailing formulas....
A rhumb line makes the same angle with all meridians it crosses and appears as a straight line on a Mercator chart. The principal advantage of a rhumb line is that it maintains