On Thu, 21 Aug 2003 02:19:32 -0000,
(journeyman) wrote:


FWIW, this technique is the subject of a couple of questions in the
IFR written test question bank. It's an interesting academic exercise,
but I can't see much practical use for it, especially IFR.

I believe it's a variation on a technique in *American Practical
Navigator* (Bowditch) for determining how far a sailing vessel is off
a lee-shore headland. It was probably known to Odysseus.

Don