NE South Dakota Clark, SD | Here is a link to some comparisons I did. This was an Ag Eagle UAV using Drone Deploy for processing. It gives a general idea, but was off +/- 5 ft. LIDAR, RTK or SRTM elevations are much better. The elevation maps are in .LAS format. I had to run them through QGIS to get them into a UTM projection.. The elevations were using the takeoff elevation as 0. So adjustments must be made from your Ft above sea level.
http://talk.newagtalk.com/forums/thread-view.asp?tid=629392&mid=527...
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