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#1
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Oct 25,26: Sacramento River (CA) Salmon Limit!
I had a Raymarine Sportpilot on my old C-Dory. It came with its own
compass and took input from the compass and the GPS. This S1000 has no compass and apparently the input from the GPS isn't updated fast enough or something. We need an iPilot! |
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#2
posted to rec.boats
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Oct 25,26: Sacramento River (CA) Salmon Limit!
On Mon, 31 Oct 2011 12:43:48 -0700 (PDT), Dale Gillespie
wrote: I had a Raymarine Sportpilot on my old C-Dory. It came with its own compass and took input from the compass and the GPS. This S1000 has no compass and apparently the input from the GPS isn't updated fast enough or something. We need an iPilot! ==== I think you've hit the nail on the head: GPS does not update quickly enough to maintain directional stability at slow speed. The only thing that GPS knows is position. It computes direction from adjacent points. If the points are too close together (slow speed error jitter), then direction will be inaccurate. |
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