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Plotting a Position Line Without Reference to an Azimuth
Published online by Cambridge University Press: 18 January 2010
Extract
The following method of drawing a position line from a celestial observation is suggested as a possible means of simplifying a small portion of the navigator's work. It avoids the use of azimuths, thereby simplifying chart work.
The method is based on a geometrical construction whereby the position line is determined from intercepts relating to two separate adjacent Assumed Positions; this construction may prove simpler than the present orthodox method, particularly as it does not involve the measurement of angles.
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- Copyright © The Royal Institute of Navigation 1951