I posted this on the Mac Board as someone had asked for it there, but though I would also post it here (if that is OK) for any SeaClear users or potential users.
I've posted instructions on my web site on how to download the free USGS Topo Maps and covert them to use with SeaClear.
If you are in coastal waters you can download the free NOAA nautical maps and they also have some for inland waterways. If you sail on other inland lakes you can buy maps to use on commercial chartplotters, but for some lakes those aren't available.
You can download the free SeaClear navigation program and use it on a laptop and some other devices either on the boat real time hooked up to a GPS puck you can buy for under $40 or you can plan your trip at home and download important waypoints to something like a handheld gps.
You can download free USGS Maps here....
http://store.usgs.gov/b2c_usgs/usgs/maplocator/(xcm=r3standardpitrex_prd&layout=6_1_61_48&uiarea=2&ctype=areaDetails&carea=%24ROOT)/.do
...for any place in the U.S., so if you sail a lake in the U.S. you can download a map and use your fee SeaClear to plot a course or plot your location real-time on your favorite lake.
I'm hoping someone will try my instructions and see if they work for them or if they need clarification and give me some feedback. I tried to be very detailed in them, so they look long, but once you have gone through the process a couple times you can download and convert a map for SeaClear in about 10 minutes and the longest part of that is the download.
Map Download and Conversion Instructions
c ya,
Sum
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