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Place_Pub: Washington, DC: INTELSAT, 1991. quarto, 63, wraps, maps, figures, tables, references, some soiling to covers, ink name on front cover This document was proprietary to INTELSAT when it was issued; it is no longer so categorized. Non-geostationary orbits for telecommunications have been studied as part of a broad technology assessment program undertaken by INTELSAT in preparation for a follow-on spacecraft program for INTELSAT VI. A number of potentially useful orbits below geostationary altitude and several elliptical orbits with unique orbital characteristics are described along with discussions of related orbital mechanics considerations.
New York: Columbia University Press, 1965. 24 cm, 221, usual library markings, tape marks to endpages and DJ These papers presented before the Columbia University Seminar on Technology and Social Change contain the views of some of this country's most distinguished scientists and public officials on the interactions between science and technology.