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Re: Testing pocket sextant

From: Alexandre E Eremenko (no email)
Date: Wed Jun 14 2006 - 02:37:33 EDT

  • Next message: Michael Dorl: "Re: Position from crossing two circles : was [NAV-L] Reality check"

    Bill,

    > My impression at this stage of my development (outside of the problems
    > inherent in observing from a medium-displacement small craft, almanac
    > roundings, and blunders) is that accurate dip (both knowing your exact
    > height vs. the horizon and atmospheric anomalies) is the major stumbling
    > block to 0.2' to 0.4' accuracy.

    This time (with a pocket sextant) were are talking of 1' accuracy.

    > I reference Frank's beach shots of Chicago from an Indiana shore, and our
    > inability to resolve the discrepancies.

    I don't remember any Frank's beach shots.
    Can you give a reference?

    > I am excited about George's latest
    > find.)

    Which one?

    A.


  • Next message: Michael Dorl: "Re: Position from crossing two circles : was [NAV-L] Reality check"



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