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    Re: Longitude from Local Apparent Noon Altitudes
    From: Frank Reed
    Date: 2012 Aug 19, 08:56 -0700

    John H., you wrote:
    "Most of the precision in a longitude measurement in the equal altitude method comes from readings when the altitude is changing rapidly."

    Actually, John, for a dozen altitudes taken within 45 minutes of noon, you can get quite an accurate longitude. And the correction for the changing declination and/or the motion of the observer is simpler. You should try it.

    -FER
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