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  1. Geodetic Surveying, Spherical Excess and Reciprocal zenith Angles live 7pm est

    Geodetic Surveying, Spherical Excess and Reciprocal zenith Angles live 7pm est

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  3. Flat Earth 21 Questions And Answers Proving Stranger's Guide And Course Flat Earth

    Flat Earth 21 Questions And Answers Proving Stranger's Guide And Course Flat Earth

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  4. GPS is based on Surveying & Celestial Navigation GPS requires a flat plane cannot work on a globe

    GPS is based on Surveying & Celestial Navigation GPS requires a flat plane cannot work on a globe

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