Radar is a detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same ...The best Wikipedia experience on your Mobile device. Adfree and free of charge, forever. With the official Wikipedia app, you can search and explore 40 million+ articles in 300+ languages, no matter where you are. == What people say about the app == “It works without mocking, mistakes, advertisements, all sorts of snaps, and that probably is the most important thing.”
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