Cosmic-Ray Penumbral Effects for Selected Balloon Launching Locations.
AIR FORCE CAMBRIDGE RESEARCH LABS HANSCOM AFB MASS
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The penumbral characteristics as determined from cosmic-ray trajectory calculations are compared for several balloon launching locations in the Western Hemisphere including Palestine, Texas, Cape Giradeau, Missouri, and Sioux Falls, South Dakota. Penumbra for a number of zenith and azimuth angles were calculated in an effort to determine the transmittance function for balloon detectors viewing over a specific solid angle.
- Atmospheric Physics