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how do radar altimeters works?

Updated: 9/23/2023
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Q: How do radar altimeters works?
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What tells you how high a plane is flying?

An altimeter (altitude meter) tells the pilots how high the aircraft is flying. There are 2 types of altimeters commonly used in aircraft: pressure altimeters and radar altimeters.


What is the difference between a radar altimeter and a barometric altimeter?

Radar altimeter gets altitude information by bouncing a radio wave off the surface of the Earth and determines the aircrafts altitude by measuring the length of time it takes for the signal to return. Barometric altimeters get altitude information by measuring the barometric air pressure outside the aircraft. Barometric pressure decreases as altitude increases. Radar altimeters will give altitude above ground level while barometric altimeters give altitude above sea level.


Is an instrument used especially in an aircraft for meausuring altitude?

Yes, it is called an altimeter. There are two types: pressure and radar. Pressure altimeters use barometric pressure to calculate height above sea level or MSL. Radar Altimeters use Radio signals to calculate height above ground level. They are usually only used during approach to landing and are rarely found on lighter aircraft.


What do radar engineers make?

A radar engineer works with radar. They have design, develop, install, and test a radar.


What has the author Ellen J Ferraro written?

Ellen J. Ferraro has written: 'Measuring geophysical parameters of the Greenland ice sheet using airborne radar altimetry' -- subject(s): Greenland, Airborne radar, Percolation, Radio altimeters, Ice, Waveforms, Geophysics, Altimetry


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Why are mercury barometers no particle for use in altimeters?

because they are too large and clumsy to be used as altimeters so there replaced by aneroid


Where in hiroshima did the atomic bomb hit?

6 August 1945 About 400 yds off the aioi bridge, its intended AP. Also the bomb hit nothing physically, it was an airburst at about 1500 feet altitude triggered by radar altimeters.


Which radar detector works well in the K and Ka bands?

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Radar is a noun which means a system of detection.The radar was starting to detect an incoming ship.I consulted the radar to make sure the path ahead was safe.Radar works by sending out waves and waiting to see if they return.


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