Physics – Optics
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21531602a&link_type=abstract
American Astronomical Society, AAS Meeting #215, #316.02; Bulletin of the American Astronomical Society, Vol. 42, p.317
Physics
Optics
Scientific paper
The Baker-Nunn satellite tracking camera, deployed in 1957, was comprised of a very complex optical system, on an innovative form of mounting. James G. Baker designed the optics, which were fabricated by Perkin-Elmer. Joseph Nunn designed the mechanical system, which was constructed by Boller & Chivens. This highly convoluted fabrication sequence resulted in many difficulties and delays. By enabling precision observations of satellite orbits, the Baker-Nunn camera made possible significant advances in satellite programs. The camera was also useful in advancing geodetic knowledge: in research and discovery of the Van Allen radiation belt, the density of the atmosphere at various elevations, and solar radiation. Photographs from the Boller & Chivens factory will illustrate this overview.
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