How far can a military radar detect?

Long-range surveillance radar uses HF, UHF, VHF, and L-band frequencies to detect targets out to 2,000 miles or more . How can it see that far when the curvature of the earth limits our line of sight to about 15 miles? Two ways: ground wave propagation (GWP) and over-the-horizon radar (OTH).

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What does a radar do in war?

Radar, which is essentially “seeing” with radio waves, found dozens of other uses in the war. It was used to aim searchlights, then to aim anti-aircraft guns . It was put on ships, where it was used to navigate at night and through fog, to locate enemy ships and aircraft, and to direct gunfire.

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What are 3 uses of radar?

Radars today are used to detect and track aircraft, spacecraft, and ships at sea as well as insects and birds in the atmosphere; measure the speed of automobiles; map the surface of the earth from space; and measure properties of the atmosphere and oceans.

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