calculated altitude

The celestial angle between a celestial body and the observer’s horizon calculated mathematically or observed from a given position on the earth at a given time.

Aviation dictionary. 2014.

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  • Altitude diving — is scuba diving where the surface is 300 meters (1,000 feet) or more above sea level (for example, a mountain lake). [cite book |title=Encyclopedia of Recreational Diving, 3rd edition |last=Brylske |first=A. |year=2006 |publisher=PADI… …   Wikipedia

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  • barometric altitude — The altitude determined by a barometric altimeter by reference to a pressure level and calculated according to the standard atmosphere laws. See also altitude …   Military dictionary

  • barometric altitude — The altitude determined by a barometric altimeter pressure level and calculated according to the standard atmospheric laws. It corresponds to the difference in altitude between the altimeter pressure level and the mean sea level pressure …   Aviation dictionary

  • Intercept method — The Intercept Method , or Marcq St Hilaire method , as it is also rather inaccurately known, is an astronomical navigation method of calculating an observer s position on earth. It was originally called the azimuth intercept method because the… …   Wikipedia

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  • Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …   Wikipedia

  • Luna 15 — (Ye 8 5 series) was an unmanned space mission of the Luna program, also called Lunik 15.Luna 15 was a last minute Soviet attempt to steal some of Apollo 11 s publicity by being the first mission to return lunar soil to Earth. Luna 15 was placed… …   Wikipedia

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