Alidade: Difference between revisions
From Glossary of Meteorology
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|Meaning= | |Meaning=A stationary instrument, mounted on a stand, that measures the angle subtended at the stand by the [[horizon]] and an object in space. | ||
A stationary instrument, mounted on a stand, that measures the angle subtended at the stand by the [[horizon]] and an object in space. | |Explanation=The [[clinometer]] is a portable form of alidade frequently used with a [[ceiling projector]] to determine the height of clouds. An alidade usually measures the [[elevation angle]] only; a [[theodolite]] measures [[azimuth]] as well. | ||
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Latest revision as of 21:16, 13 January 2024
A stationary instrument, mounted on a stand, that measures the angle subtended at the stand by the horizon and an object in space.
The clinometer is a portable form of alidade frequently used with a ceiling projector to determine the height of clouds. An alidade usually measures the elevation angle only; a theodolite measures azimuth as well.
