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sightred.doc
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1984-04-29
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SIGHTRED
Program notes
1. Purpose. The SIGHTRED program contains the formulae for performing the
spherical triangle calculations associated with celestial navigation. My
primary purpose in writing this program was to use it for preparation of
sight reduction problems for the class I teach in celestial navigation at
the local community college. While the use to date is solely in
preparation for class, the program would work in an operational situation.
Its performance matches that of special purpose calculators, both in
accuracy and speed. The navigation terminology is standard and can be
found in any text on the subject. Best reference is NO Pub #9, American
Practical Navigator, originally by Nathanial Bowditch.
2. Compatibility. While written in Pascal/Z, there are no terminal or
file peculiarities, so any Pascal compiler should handle it.
3. Comments or questions. Rex A Buddenberg, 1910 Ash Street, North Bend,
Or 97459.