War and Military Atlas

How Battles Were Fought
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Weapons System

Radar

Also Known As Radio Detection and Ranging
Protective And Support Equipment

Radar, fielded in war as a means of detecting approaching aircraft and ships by radio reflection well before they came into visual range, entered operational service in Britain as the Chain Home network, built up along the English coast in stages from 1937 to 1939. Chain Home gave the Royal Air Force the advance warning it needed to intercept incoming German raids rather than keep costly standing patrols aloft, an advantage credited as a significant factor in the Royal Air Force's victory in the Battle of Britain in 1940. Wartime demand for smaller, more capable sets also drove the development of airborne radar for night fighters and maritime patrol aircraft over the rest of the war. This entry covers radar as fielded and used in war; the invention and technical development of radar itself is Technology's own subject, cross-linked rather than duplicated here. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Disputed
Introduced Year
1938 1
Britain's Chain Home radar network became operational in stages from 1937 to 1939 and was instrumental in the Battle of Britain (1940); the invention of radar itself happened earlier and is Technology's own facet, not restated here.
Weapon Class
Weapon Class (category)
Detection / Electronic Warfare System 1
Weapon Class
detection and ranging system 1
In the Other Atlases
Sources
1. Wikipedia: Radar
Wikipedia
  • During World War II section
  • Lead section, first paragraph
    Radar is a system that uses radio waves to determine the distance (ranging), direction (azimuth and elevation angles), and radial velocity of objects relative to the site.
  • Weapon class classified from the entity's own sourced description text.
  • Correction: a detection/electronic system, not an aircraft.
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