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    Navigational Algorithms - Software update
    From: Andrés Ruiz
    Date: 2007 Mar 23, 08:28 +0100

    Some of the members of our list, ask me about an English version of my Sight Reduction program. Now I have developed a new and friendly interface: CelestialFix.exe. Other programs are in Spanish, but for a seaman is very easy to imagine how they works.


    Nautical Almanac

    • Ephemerides
    • Correction of sextant altitude
    • Marcq Saint-Hilaire LoP
    • Noon Sight
    • Ex-meridian Sight
    • Latitude by Polaris
    • Lunar distances
    • Position by 2 CoP
    • Visible Sky



    • n LOPs Fix
    • Celestial Navigation
    • Position from n sextant altitude observations
    • Running Fix
    • LOPs and confidence ellipse
    • Compact Data - USNO Nautical Almanac algorithm
    • Plot of Circles of equal Altitude
    • Position by 2 CoP. Van Allen algorithm


    Navigation.  Main program (launcher)


     Position by n Circles of equal Altitude

    • On the Overdetermined Celestial Fix, Metcalf and Metcalf. NAVIGATION, Vol. 38, No. 1, Spring 1991, pp 79-89.
    • Advancing Celestial Circles of Position
    • An Extension to the Overdetermined Celestial Fix, Metcalf
    • Piloting with Celestial Algorithms




    • Sailing calculations:
    • Rhumb Line
    • Great circle
    • Middle-Latitude


    Other programs  

    Meridional parts

    Magnetic Declination

    Degree conversions



    First You must read the Readme link, and then download the files:

    • Programs (4.2 MB)
    • dll and ocx (1.2 MB)
    • runtime (4.8 MB)



    Any comments?


    All software is at:

    http://www.geocities.com/andresruizgonzalez/  in [downloads] section



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