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Electronic Solutions to the Collision Problem at Sea

Published online by Cambridge University Press:  18 January 2010

H. C. Freisleben
Affiliation:
(German Hydrographic Institute)
L. Schnegelsberg
Affiliation:
(German Hydrographic Institute)

Extract

As a result of the war, radar instruments developed in one particular way, namely as relative-motion instruments, which is only one of a number of possibilities. The relative-motion display is above all a position-finding aid; it places own ship in the centre of the screen in exactly the same way as the human eye has its position in the centre of the circle formed by the horizon.

Type
The Avoidance of Collision by Airborne and Shipborne Means
Copyright
Copyright © The Royal Institute of Navigation 1957

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