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Charts and Chart Matching Devices

Published online by Cambridge University Press:  18 January 2010

P. G. Satow
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Extract

No satisfactory means of securing positive identification of individual radar echoes in congested waters has yet been devised, although many ingenious suggestions have at different times been put forward. These ideas include systems for providing a special identification signal from selected buoys, or alternatively for a considerable increase in the number of buoys and their arrangement in groups in definite patterns at strategic points so that they may be easily picked out on the ship's P.P.I.

Type
Operational Aspects of Marine Radar: A Symposium of Papers
Information
The Journal of Navigation , Volume 2 , Issue 2 , February 1949 , pp. 125 - 127
Copyright
Copyright © The Royal Institute of Navigation 1949

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