Echoing area

From International Dictionary of Marine Aids to Navigation
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4-3-215

Alternative terms: Equivalent echoing area, Radar cross section, Target area

The area of a plane element, situated at the position of an object and normal to the direction of the radar transmitter, which would be traversed by a power such that, if this power were re-radiated equally in all directions, with suitable polarization, it would give an echo of the same power as that given by the object itself.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM