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    Re: A practice round of stars
    From: Andrés Ruiz
    Date: 2013 Mar 7, 22:51 +0100
    The result with my software:

    Imágenes integradas 2
    DeWit/USNO Nautical Almanac/Compac Data, Least squares algorithm for n LOPs

    GHA DEC HO BO LO LHA HC Z
    210.9759 20.7950 50.2851 8.7972 109.7378 320.7137 50.2960 67.9147 -0.0110
    198.1753 -8.1901 35.4009 8.8064 109.7448 307.9201 35.4023 106.6763 -0.0014
    198.3382 46.0102 32.2615 8.8145 109.7510 308.0892 32.2514 40.2672 0.0101
    323.6832 -11.2474 14.2262 8.8433 109.7730 73.4562 14.2394 255.9286 -0.0132
    296.6076 -29.5539 31.1438 8.8498 109.7779 46.3855 31.1331 227.3727 0.0107


    Estimate position at time of fix: 
    Befix [deg] = 8.8179 
    Lefix [deg] = 109.7535 

    Least Squares information: 
    nObservations = 5 
    AA = 1.3237 
    BB = 1.3008 
    CC = 3.6763 
    DD = 0.0000 
    EE = 0.0000 
    FF = 0.0005 
    G = 3.1742 

    Error: 
    S = 0.0005 
    sigma = 0.7841 nm
    sigmaB = 0.5064 
    sigmaL = 0.8439 

    Ellipse: 
    Prob = 0.9500 
    k = 2.4477 
    theta = -23.9387 
    a = 2.2220 
    b = 0.9306 

    Improved position at time of fix: 
    dB [deg] = 0.0000 
    dL [deg] = -0.0000 
    DO [deg] = 0.0000 nm
    BI [deg] = 8.8179 
    LI [deg] = 109.7535 

    iteraciones = 3

    --
    Andrés Ruiz
    Navigational Algorithms
    http://sites.google.com/site/navigationalalgorithms/

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