THE UPPER ATMOSPHERE Open PDF Document Details Document Type Technical Report Publication Date Feb 01, 1961 Accession Number AD0253271 Entities People K. Watanabe L. G. Smith P. J. Nawrocki Tags Communities of Interest Advanced Electronics Energy and Power Technologies Space DTIC Thesaurus Topics Absorption Absorption Coefficients Air Force Coefficients Cosmic Rays Electron Density Electrons Energy Environment Equations Ionization Ionosphere Molecular Weight Radiation Spectra United States X Rays