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"Capt. Rob" wrote
How many of you rely on your GPS without consulting charts these days? How many of you back that up by using a handheld compass?.... I do. I use charts to plan cuz it's easier for me. Then I use a PC to plot courses which I load into my cockpit GPS, which then provides a continuous display of current position relative to plan, hazards, depth, et al and automatically scrolls. Makes "driving" the boat a snap. The boat has a compass that I steer by (tacks may criss-cross the planned course shown on the GPS). I keep a laptop connected to a separate GPS in the cabin for backup and a bigger picture than the GPS screen provides plus charts on the Nav desk to note interesting data for future use, but I do not maintain current track on charts. My health limits us to day sails, and not even that lately - were we taking longer trips I'd update the charts every few hours just for drill. I've checked GPS position against charted position of bouys, et cetera, and found it always within a few yards - mucho better than I can do using a compass to triangulate position but y'all good sailors prolly have better results than I. |