Minnesota’s Department of Natural Resources produces this tool, and has generously released it for use by the general public. If you’re using a Garmin GPS unit to gather data for GIS, you have to get a copy of DNRGarmin. First up – an easy solution for Garmin GPS owners. But what if you have a consumer-grade GPS unit without the ability to run this software (or you don’t feel like coughing up hundreds of dollars to buy a copy)? This post and the next one will cover some options for downloading data directly from a GPS and converting it to the GIS-friendly shapefile format. Geodetic-quality GPS units are usually able to output data directly into a GIS-friendly format like shapefiles, either with built-in software or with add-on packages like Trimble’s Terrasync or ESRI’s ArcPad.
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