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PMV

Posted 3/22/2010 8:05 AM (#430275 - in reply to #430207)
Subject: Re: GPS Module Question

Posts: 28

I think a lot of people overlook the "position error" when thinkiing of accuracy with a gps. next time your on the water or have the gps on, go to your satalite page and look in the upper left hand corner of the display. A lot of the time this position error is over 20' depending on the strength of your signal at the time, and if you watch it for awhile, it does move up and down quite a bit. It can be more than 20' a lot of the time. If you were running a 20' boat, those two pucks would be less than 20' apart. I think there are way to many people hung up on thinking their gps is accurate to a 3' circle around the puck, all the time. This isn't the same system the navy uses for launching tomahawk missles.
I have two gps units, front and the console, and one puck about the center of the boat, and it is on the network. Agree with above, that the second puck is a spare.
pmv