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A New Method of Observation and Reduction

Published online by Cambridge University Press:  18 January 2010

Extract

The method proposed consists in measuring by means of a specially designed sextant the altitude and azimuth of a star simultaneously and using these two quantities with the declination to solve the astronomical spherical triangle. In this way, both the latitude and, by means of certain simple additions and subtractions in terms of the local hour angle which is found directly, the longitude are determined.

Type
Astronomical Navigation in the Air. A Discussion on Methods to Produce Speed and Accuracy
Copyright
Copyright © The Royal Institute of Navigation 1949

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