Talk:U.S. Standard Atmosphere

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How does it relate to the ICAO Standard Atmosphere? JMcC 12:54, 3 April 2007 (UTC)

Some History on the Origin of the "Standard Atmosphere"
Efforts to define a standard atmosphere began in the 1920s as a result of the aviator's need to determine his altitude. Data was acquired by sounding balloons. See:

W.J. Humphreys, Temperatures, Pressures, and Densities of the Atmosphere at Various Levels in the Region of Northeastern France, 1918

Willis Ray Gregg, Standard Atmosphere, 1922  --Jbergquist (talk) 22:34, 28 November 2017 (UTC)

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