Published: 1967
Total Pages: 89
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The report details instrumentation designed to measure the parameters in the D-region of the ionosphere during a total solar eclipse. Four Nike-Hydac rockets were fired from Cassino, Brazil, in connection with the eclipse of 12 November 1966; a test flight round was flown on 5 November, and the remaining three rockets were fired during various phases of the eclipse on 12 November. The rocket payloads were identical and were designed to measure the following parameters: Positive ion composition, Positive ion density, Positive ion energy distribution, X-ray flux, Lyman-alpha radiation, Electron density, Electron temperature.