Danger Close...

Radar, first developed many years ago during the time of World War has moved forward a tremendous distance in advanced technology sensors. Traveling at the speed of light, the energy pulse generated by the device called a Magnetron would bounce off the object, surface or air, and return. Measuring the very brief period of time compared to the duration of the wave would solve for distance away. The direction of the object was added with the use of a compass rose as the antenna rotated. The mission or primary use determined the size and shape of the array. The most important element of radar data is proximity. Danger Close the real culprit. The ability to clearly see an approaching target at

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