Modified refractive index: Difference between revisions
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For a given height above sea level the sum of the refractive index of the air at this height and the ratio of the height to the radius of the earth. | For a given height above sea level the sum of the refractive index of the air at this height and the ratio of the height to the radius of the earth. | ||
Latest revision as of 09:21, 17 September 2026
For a given height above sea level the sum of the refractive index of the air at this height and the ratio of the height to the radius of the earth.
Reference: C.C.I.R.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)