1. Geotech Group, Department of Natural Resources and Environmental Engineering, School of Mining Engineering, University of Vigo, Vigo, Spain
2. Geotech Group, Department of Natural Resources and Environmental Engineering, School of Aerospace Engineering, University of Vigo, Ourense, Spain
3. UAS Research Group, Centro de Innovación Aeroespacial de Galicia, Edificio Aeroespacial, Nigrán Pontevedra, Spain
4. Geotech Group, Department of Natural Resources and Environmental Engineering, School of Forestry Engineering, University of Vigo, Pontevedra, Spain