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Accuracy Contour Maps of a Ship's Position

Published online by Cambridge University Press:  18 January 2010

N. Sameshima
N. Sameshima
Affiliation:
(Nautical Society of Japan)
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The writer has drawn the accuracy contour maps of a ship's position fixed by cross bearing, horizontal sextant angle method and Loran aid. The accuracy of the fixes has been evaluated in terms of the probability density.

Type
Forum
Information
The Journal of Navigation , Volume 7 , Issue 4 , October 1954 , pp. 392 - 397
Copyright
Copyright © The Royal Institute of Navigation 1954

References

REFERENCES

1Sameshima, N., and Kawamoto, F. (1949). Probability density and ellipse of the most probable position fixed from astronomical position lines. J. marine Instn. (Tokyo), 3, 1.Google Scholar
2Admiralty Manual of Navigation (1928). Vol. 2, p. 61.Google Scholar
3Pierce, J. A., McKenzie, A. A., and Woodward, R. H. (1948). M.I.T. Radiation Laboratory Series No. 4.Google Scholar
4Jessell, A. H., and Trow, G. H. (1948). The presentation of the fixing accuracy of navigation systems. This Journal 1, 313.Google Scholar