__Table of Contents__

__Celestial Navigation Theory__
Introduces Formulae for calculating distances between
points on earth or on celestial sphere.

__Sextant Errors and
Corrections__
Describes the errors arising from the sextant, atmosphere,
and celestial objects themselves.

__Rhumb Lines
Calculations__
Describes the notions of longitude, departure, and
distance for rhumb line plotting.

__Coastal Navigation and
Conning__
Techniques of plotting a fix in coastal
navigation.

__Navigation Calculators__
Calculators for obtaining a position line from a sextant
reading, plotting courses, calculating the intercept position etc.
The calculators are copyrighted under the
GNU General
Public License and you are welcome to copy the page for your
own use and even to redistribute it as long as you abide by the
conditions of the license.