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The programs linked below are devoted to persons who interest in the art of marine navigation or taking marine navigation as their career.

Copyright (C) 1996 Jacky W H Wong

The programs linked below are free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

If you find it useful and where it is appropriate, please provide an indication of it's origination and provide a link to this page.

Year 2000 Compliance - I wish to thank Oscar W. Underwood III, a retired American egineer, for infromation he provided that enable me to extend my Sun Sight Reduction program from the year 2000 to 2020.

Jacky Wong - March 1999
himarj@oocities.com

Maridional Part Calculation

Mercator Sailing Calculation

Great Circle Sailing Calculation

General Purpose Sight Reduction

Sun's information and Sight Reduction


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