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Discussion Starter #1
Are there any Lowrance users out there that logs sonar charts and saves trails/waypoints?

If so, I'd like to trade .slg and .usr files. I'm putting together depth contours so I can create my own electronic maps for the lakes I fish the most.

So far I have files for Chatfield, Horsetooth, Carter, McConaughy, Glendo, Seminoe, Flaming Gorge, and Eleven Mile. I log data using both my lcx-26 and lcx-15.

Let me know if interested.
 

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I thought about trying to do that, what software are you using to generate the contours? Or do you use a base map and fill in detail in areas by hand? I'm sure it takes a lot of traversing of a lake to generate a decent map. Something for me to aspire to!
 

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I've been playing around with 3D Field (http://field.hypermart.net) to create contours from the .slg files.

OziExplorer (http://www.oziexplorer.com) is pretty cool software (trial version is free) that allows you to scan in a paper map or use an aerial photo that you can geo reference and use as your basemap. Then you can mark waypoints, create routes, and draw contours on top of it, then upload to your sonar.

You can also just use a sonar emulator that you can download from the Lowrance website to view sonar logs. Its pretty slick. You can replay exactly what you recorded on the water and it shows your boat's position on the base map as well, all while sitting in front of your computer.
 
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