A-display
From International Dictionary of Marine Aids to Navigation
4-3-090
Alternative terms: A-scan, A-scope, Range amplitude display (G.B.)
A display in which the targets appear as vertical deflections from a line representing a time base.
Target range is indicated by the horizontal distance of the deflection from one end of the time base.
The amplitude of the vertical deflection is a function of the signal intensity.
Reference: I.R.E. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
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