New form of marine radar, Decca TM46, in which landmarks and fixed targets remain steady while all moving targets, as well as ship carrying device, are actually seen moving across screen; by reference to afterglow or "wake" of any vessel (trace persisting as moving target progress) direction of vessel is immediately obvious; set also incorporates conventional ship's head up picture and north-up picture.
True motion radar arrives
Shipbldg Shipg Rec
Shipbuilding and Shipping Record ; 88 , n 18
1956
2 pages
Aufsatz (Zeitschrift)
Englisch
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