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    Re: Unexpected USNO height correction precepts
    From: Andrés Ruiz
    Date: 2018 Sep 25, 08:16 +0200
    Fully agree.
    It is a very useful tool indeed .
    And a beautiful device.

    El mar., 25 sept. 2018 a las 1:24, Greg Rudzinski (<NoReply_Rudzinski@fer3.com>) escribió:

    Antoine,

    "Greg, you should try ... I have to say that it works extremely well once the Starfinder is carefully preset and kept current through advancing it 1° every four minutes of elapsed time. The Rude Starfinder is the BEST Azimuth non-electronic computing option and candidate for your EMERGENCY TOOL KIT, would'nt you agree ?"

    I agree and will add that it fits neatly in most sextant boxes plus it is waterproof. The attached image shows the evening twilight today for my latitude (Sun marked with circle of green tape). Notice Vega very near the zenith. The older U.S. Navy versions with the brass pin are my favorite.

    Greg Rudzinski

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