Ключевые слова: aerial, aerial inspection, area, construction, development, digital elevation model, distance, drone, ecuador, engineer, engineering, flying, geodesy, georeferenced, geospatial, gis, ground, gsd, hill, industry, inspection, investigation, land, large, map, mapping, mitad del mundo, modern, mosaic, multirotor, nadir, orthorectification, orthorectified, photogrammetry, populated, professional, professional drone, quito, site, south america, space, supervising, survey, surveying, surveyor, technology, terrain, tool, top, uas, uav, urban,