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    Re: Cocked hats
    From: Richard M Pisko
    Date: 2006 Dec 17, 00:49 -0700

    On Sat, 16 Dec 2006 03:13:38 -0700, Geoffrey Kolbe 
    > The other eight diagrams in the picture repeat the ideal plot, but
    > superimposed in blue are the eight possible scenarios drawn where
    > each LOP has an error either away from or towards the celestial body.
    > The cocked hat in each of these diagrams is filled in in light blue.
    > It will be noted that only two of the eight cocked hats include the
    > actual position. For the other six diagrams, there is no way to draw
    > the LOPs to include the actual position whilst maintaining the
    > combination of LOP errors represented in those diagrams.
    > Where random error dominates, the chance of your cocked hat including
    > the actual position is just 1 in 4.
    Thanks, it's a very good diagram, and has cleared my last doubts away.
    Richard . . .
    Using Opera's e-mail client since Dialog, "the Dog", died.
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