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The Analysis of Great-circle Tracks

Published online by Cambridge University Press:  23 November 2009

M. L. Jofeh
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Extract

It is the common practice to draw great-circle tracks on gnomonic charts, on which they appear as straight lines, to pick off the latitudes of intermediate points where the track is intersected by the charted meridians, and finally to transfer the pairs of coordinates thus measured to a Mercator chart. The purpose of this note is to present the derivation of some formulae by means of which the coordinates of points along the track may be calculated very easily.

Type
Forum
Information
The Journal of Navigation , Volume 34 , Issue 1 , January 1981 , pp. 148 - 149
Copyright
Copyright © The Royal Institute of Navigation 1981

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