Abstract
Atmospheric absorption spectra obtained over a 25-km, horizontal, sea level path in the Cape Kennedy area are presented. Six 150-cm diam carbon arc searchlights positioned from 11 m to 17 m above the ground were used as sources of continuous radiation. Solar spectra obtained from sea level are traced above the corresponding horizontal path spectra for comparison. The spectral region covered is 0.68 μ to 4.86 μ and the spectral resolution varies over this region from about 0.6 × 10−4μ to 60 × 10−4μ. The amount of water vapor in the path varied from 9 to 39 precipitable cm.
© 1967 Optical Society of America
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