42 USC 2482: "Upper atmosphere" defined
Text contains those laws in effect on January 23, 2000
From Title 42-THE PUBLIC HEALTH AND WELFARECHAPTER 26-NATIONAL SPACE PROGRAMSUBCHAPTER III-UPPER ATMOSPHERE RESEARCH
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§2482. "Upper atmosphere" defined
For the purpose of this subchapter the term "upper atmosphere" means that portion of the Earth's sensible atmosphere above the troposphere.
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