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The Presentation of the Fixing Accuracy of Navigation Systems

Published online by Cambridge University Press:  18 January 2010

G. H. Trow  and
A. H. Jessell
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Abstract

The paper discusses the way in which the accuracy provided by different navigation systems can best be presented diagrammatically, and it is concluded that contours of constant 95% radial error give the best general picture of a system. Where a more detailed picture is required error ellipses can be added at suitable points in the system. The 95% radial error of fixing is calculated for radial, rθ, azimuthal and different hyperbolic systems, and graphical methods are developed for drawing contours along which the 95% error is constant, and also for drawing 95% ellipses. Diagrams show typical results for the different systems.

Type
Research Article
Information
The Journal of Navigation , Volume 1 , Issue 4 , October 1948 , pp. 313 - 337
Copyright
Copyright © The Royal Institute of Navigation 1948

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References

REFERENCES

1 Air Warfare Analysis Section Report B.R.A./10 Jan. 1943.Google Scholar
2 Operational Research Section Report, P.23, The Range and Accuracy of Low Frequency Loran System.Google Scholar
3 CRPL-4-1, 1946, The comparative accuracy of various existing and proposed radio navigation systems.Google Scholar