Join Date: Mar 2006
Location: New England
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On many GPS units, you can see which satellites it is currently monitoring, and one some, you can get an idea of what their position in the sky relative to you is. While this doesn't show you exactly what information the GPS unit is using to calculate the position, it does allow you to discount the position's accuracy a bit if the satellites are relatively close to each other, rather than covering a major portion of the visible sky. You can also often get a readout of the "estimated radius of error" for the GPS on that screen—which also gives you an idea of what kind of information the GPS is receiving at any moment.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Still—DON'T READ THAT POST AGAIN.