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when I read this, all I think is what comes with your basic standard Garmin like GPS - not the streets and maps type, but the type you can download topographical terrains to and set way points and history markers...
make that work underwater, and we're set... then do it for $200 (or less) and we are really set...
it would make diving new sites safer if you don't have someone already familiar with a site... it would also allow maps of past dives to be stored to allow new paths...
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-cody / come dive with me - canebayscuba.com
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