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The radar is created
Heinrich Rudolf Hertz created the radars. It was a remarkable tactical advantage for the Royal Air Force in the Battle of England, when it was still called RDF (Radio Direction Finding), is a direction system that uses radio waves to determinate the range, angle, or velocity of objects the radars are from military, It was based on the Doppler effect. https://www.youtube.com/watch?v=duTTJP07tI0 -
First radar
First radar put on a ship -
Spanish Civil War
Be a test radar in the Spanish Civil War. -
Victory of the Second World War
The radar is the key to winning the Second World War. https://www.youtube.com/watch?v=obFVkTN5lUI -
The Luftwaffe
The Luftwaffe used a radar with a range of 40 km to detect enemy airplanes -
New radar called Aspirin
Blocked enemy interference used by the British. -
New range
New radar with a range of 65 km. -
For civilians airports
Used by civilian personnel in airports. https://www.youtube.com/watch?v=cUbuav4GlSY -
Traffic radars
First traffic radar with maximum range of 150 km/h and with photography. https://www.youtube.com/watch?v=rA9Tdpz7LxE -
High mortality
Increase in the number of radars due to the high mortality on the roads. -
Russia creates new radars
Russia creates radars to detect small drones, including the 'invisible' ones. https://www.youtube.com/watch?v=9FU7LqN8Aa4