Two On A Big Ocean The Story of the First Circumnavigation
of the Pacific Basin
in a Small Sailing Ship


      

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Re: CelNav without sextants

From: Alexandre Eremenko (no email)
Date: Tue Nov 02 2004 - 21:28:00 EST

  • Next message: Peter Fogg: "Re: Voyaging the traditional way"

    Frank:

    On Tue, 2 Nov 2004, Frank Reed wrote:

    > You wouldn't need occultations since you've got the radio

    Yes. There are two separate questions here.
    1. Sunsets/sinrise with a radio.
    2. Occultations instead of the radio.

    > could use sunrise/set to get LOPs accurate
    > to 10 or 15 miles in typical cases.

    That I would like to check. 10 or 15 miles does not seem so
    bad. It's better than the conditions of the "Longitude Prize", is
    not it?

    > be able to measure five or ten degree altitudes
    > with a card and get better
    > LOPs than from sunrise/set, but that's just a hunch.

    Better than 10-15 miles? Surprising.

    Alex.


  • Next message: Peter Fogg: "Re: Voyaging the traditional way"



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