true altitude

[′trü ′al·tə‚tüd] (meteorology) corrected altitude

True Altitude

(also, absolute altitude), in geodesy, the distance along a vertical from a given point on the surface of the earth to sea level. It is determined by leveling. In the USSR, true altitude is calculated from zero on the depth gauge in Kronstadt.

true altitude

i. The actual height above sea level. The calibrated altitude corrected for air temperature. See altitude.
ii. The actual altitude of a celestial body above the celestial horizon. The observed altitude must be corrected for several variables before it becomes the true altitude.

单词	true altitude
释义	true altitude true altitude The height of an aircraft as measured from mean sea level. true altitude true altitude [′trü ′al·tə‚tüd] (meteorology) corrected altitude True Altitude (also, absolute altitude), in geodesy, the distance along a vertical from a given point on the surface of the earth to sea level. It is determined by leveling. In the USSR, true altitude is calculated from zero on the depth gauge in Kronstadt. true altitude i. The actual height above sea level. The calibrated altitude corrected for air temperature. See altitude. ii. The actual altitude of a celestial body above the celestial horizon. The observed altitude must be corrected for several variables before it becomes the true altitude.
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