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From: Alexandre Eremenko (no email)
Date: Tue Nov 02 2004 - 14:43:59 EST
Dear Doug,
Yes, of course there are many ways to navigate.
Dead reckoning, for example, is a good and well;
tested method.
My question was much more narrow:
To what extent can you do CELNAV (Celestial Navigation)
without a sextant?
And I did not mean variuous instruments RELPACING sextant,
like "latitude hooks, staffs, astrolabia etc."
So probably it was better to say: "without measuring altitudes".
That is by TIMING the events with a correct GMT clock.
By reasonable precision I mean precision comparable with
what we normally do with our sextants. Few nautical miles in position.
In other words, I was proposing the following imaginary
experiment: suppose your accidentally dropped your sextant in water:-)
But your watch (and a simple radio to check it)
and the
almanach remain.
How well can you do with that?
Alex.
On Tue, 2 Nov 2004, Royer, Doug wrote:
> Define what you mean by "accuracy".
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