Dictionary of units of measurement. 2015.
radar mile — The time required for a radar pulse to travel a distance of one nautical mile and then return to the radar receiver. One radar nautical mile is equal to approximately 12.367 μs (microseconds), and in terms of a radar statute mile, it is equal to… … Aviation dictionary
Mile — Miles redirects here. For other uses, see Mile (disambiguation) and Miles (disambiguation). mile international US survey nautical 1.609344 km 1.609347 km 1.852 km 1,6 … Wikipedia
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia
Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Radar Base, Texas — Infobox Settlement official name = Radar Base, Texas settlement type = CDP nickname = motto = imagesize = image caption = image imagesize = image caption = image mapsize = 300px map caption = mapsize1 = map caption1 = subdivision type = Country… … Wikipedia
Nautical mile — 1 nautical mile = SI units 1.85200 km 1,852.00 m US customary / Imperial units 1.15078 mi 6,076.12 ft The nautical mile (symbol M, NM or nmi) is a unit of length that is about one minute of arc of latitude along a … Wikipedia
History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… … Wikipedia
Marine radar — Display as part of an integrated bridge system New Widescreen colour Marine Radar Display … Wikipedia
SCR-268 radar — The SCR 268 (for Signal Corps Radio no. 268 ) was the US Army s first radar system. It was developed to provide accurate aiming information and used in gun laying systems and directing searchlights against aircraft.The system was already… … Wikipedia
