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Some Loran Accuracy Contours

Published online by Cambridge University Press:  18 January 2010

Y. Namikawa  and
K. Hasegawa
Y. Namikawa
Affiliation:
(Kobe University of Mercantile Marine, Japan)
K. Hasegawa
Affiliation:
(Kobe University of Mercantile Marine, Japan)
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Extract

Contours of constant probability density have been calculated for Loran systems in different service areas, and from these some ‘Loran navigational charts’, which indicate to the navigator the best two pairs of stations to select, are drawn up. The constant probability density contours are shown in Figs 1–6 (a) and the Loran navigational charts are given in Figs 1–6 (b). The areas covered are: Fig. 1. Japan and the adjacent seas; Fig. 2. NW. Pacific; Fig. 3. Hawaii; Fig. 4. N. Pacific; Fig. 5. NW. Atlantic; Fig. 6. N. Atlantic.

Information

Type
Research Article
Information
The Journal of Navigation , Volume 11 , Issue 3 , July 1958 , pp. 304 - 317
Copyright
Copyright © The Royal Institute of Navigation 1958

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References

REFERENCES

1Sameshima, N. (1954). Accuracy contour maps of a ship's position. This Journal, 7, 392.Google Scholar
2Jessell, A. H. and Trow, G. H. (1948). The presentation of the fixing accuracy of navigation systems. This Journal, 1, 313.Google Scholar