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    Re: What do you do if horizon is not reliable?
    From: Igor S.
    Date: 2019 May 19, 13:26 -0700

    Hi Tony,

    There is a trick to use the waterline of another ship or a shoreline. You need to know the distance to it (measured for example with the radar). For better idea I attached a snapshot from Russian textbook on celestial navigation  (Titov and Fain) concerning this method.

    regards,

    Igor

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