As far as I know, radar was invented by a Hungarian scientist named Zoltan Bay. That radar was first used in World War II by the British troops.
No world is a stage, and you cannot detect a helicopter unless you have the radar station (radar alone is not sufficient)
Normal radar sends out radio waves to determine the location of an object. Doppler radar can not only find the location of an object or storm, but using something known as the Doppler effect can determine how fast it is moving towards or away from the radar.
tracking radar
purpose of a radar synchronizer is to control timing throughout the system.
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what do the colors mean on ghost radar classic
When a radar has you marked for sure.
when you activate ghost radar classic, it will periodically say a word. what do these words mean?
Radio
radar
it probably means a storm on a weather radar, or nothing is located in that area
Yellow clouds on a radar mean that the rain quantities are not light nor heavy and the storm has a small chance of severe weather.
Radio Detection and Ranging
radio detection and ranging
Not being noticed.
Radar. You might mean echolocation. Bats are a good example