Technology / Aviation / Adcock Range
Adcock Range: National low-frequency radio navigation system (c.1930-c.1950) replaced by an omnirange (VOR) system. It consisted of four segmented quadrants broadcasting Morse Code 'A' (dot-dash) and 'N' . . . View Full Definition
Range Finders (Alley Sights): 5 targets, each 1X7 inch, 6½ inches apart; forming a 2 foot long arrowhead centered 20 feet beyond the foul-line installed in many candlepin centers.
Range Finders: Markers in the lane that help the bowler determine the target line. There are two sets of such markers: ten dots located seven feet past the foul line and seven arrows arranged in a triangle . . . View Full Definition
Range Bin: Discrete element along a single radial of radar data at which the received signals are sampled. Range bins from poldirad data are spaced at multipes from 150 m intervals. See also sample volume.