David Jorgensen
GIS | Portland, Oregon

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This highly accurate Digital Elevation Model was created from over 1000 images acquired by my PCC teammates and I via five DJI Phantom 4 sUAS missions flown at approximately 300 ft above ground level. For vertical accuracy assistance, we used 15 AeroPoint Ground Control Points, which interface with the global RTK GPS system and offers roughly 1 cm vertical accuracy. This map, along with the accompanying orthomosaic and 3D Models will be of great value to the college when planning future engineering and building projects.