Contents  
  Introduction  
  What is Radar?  
  Radar in the War  
  Frequent Questions  
  Legacy  
  Study  
  
  
  
When radio waves hit things like aircraft, ships and buildings they bounce back. By listening for the echoes from a burst of radio waves, you can work out where things are – like the distance, direction and height of an aircraft. Originally known by the ‘cover name’ Radio Direction Finding (RDF) the term ‘radar’ was later adopted (radio detection and ranging).
  
  
  Contents  
  Introduction  
  What is Radar?  
  Radar in the War  
  Frequent Questions  
  Legacy  
  Study  
  
 

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