A quick post to demonstrate the precision of Lowrance’s internal WAAS corrected GPS antennae is in a variety of open water environments. Docks? Boat lifts? Overhanging trees? No problem. WAAS correction in North America is explained here. Have a look at a couple examples in ciBioBase:
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GPS tracks and ciBioBase derived bathymetry map in a 3-acre pond in a wooded valley in a metropolitan area of Minnesota, an example of retention pond volume monitoring. |
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GPS tracks and ciBioBase derived contour map of a 3-acre pond in Illinois for water volume and aquatic vegetation analysis |