Definition of altimeter

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altimeter

The term 'altimeter' as it applies to the area of Earth observation can be defined as ' An active instrument (see active system) used to measure the altitude of an object above a fixed level. For example, a laser altimeter can measure height from a spacecraft to an ice-sheet. That measurement, coupled with radial orbit knowledge, will enable determination of the topography'.

The term 'altimeter' as it applies to the area of the weather can be defined as ' An instrument that indicates the altitude of an object above a fixed level. Pressure altimeters use an aneroid barometer with a scale graduated in altitude instead of pressure'.

The term 'altimeter' as it applies to the area of coastlines can be defined as ' an instrument that determines its distance above a particular surface'.


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Mark McCracken

Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".


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