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'''4-1- | '''urn:mrn:iala:dic:4-1-0910''' | ||
A plot of the modified refractive index versus height above the surface of the earth. | A plot of the modified refractive index versus height above the surface of the earth. | ||
Latest revision as of 09:16, 17 September 2026
A plot of the modified refractive index versus height above the surface 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)