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    Re: Spaceship navigation
    From: Don Seltzer
    Date: 2017 Jan 14, 10:06 -0500
    Here's a thought for a new method of CN for space craft traveling at a large percentage of the speed of light.  Suppose that you simply measure the Doppler shift of various stars in different bearings.  That will give you your relative speed toward each, and with a sufficient number of such vectors you could solve for your actual position, velocity, and heading in a reference frame established in a Galactic Almanac previously computed on Earth.

    Don Seltzer

    On Fri, Jan 13, 2017 at 11:58 PM, David C <NoReply_DavidC@fer3.com> wrote:

    If the Captain and Navigator decide to navigate manually to relieve the boredom will they use specially modified copies of the NA and 229?   Will their Bygrave have a "% speed light" scale?

    Might we one day see a page from these tables on Navlist  (-;

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