computed altitude

computed altitude [kəm′pyüd·əd ′al·tə‚tüd]

(navigation)

In celestial navigation, tabulated altitude interpolated for increments of latitude, declination, or hour angle; if no interpolation is required, the tabulated altitude and computed altitude are identical.

Altitude determined by computation, table, mechanical computer, or graphics, particularly such an altitude of the center of a celestial body measured as an arc on a vertical circle of the celestial sphere from the celestial horizon. Also known as calculated altitude.