1. CINTECX, Universidade de Vigo, GeoTECH Group, Vigo, Spain
2. Technology and Science INESC-TEC, Institute for Systems and Computer Engineering, Porto, Portugal
3. Engineering Department, School of Science and Technology, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
4. Department of Finance, Accounting and Mathematical Methods, Faculty of Management and Business, University of Presov, Presov, Slovakia
5. Department of Cartographic, Geodetic and Photogrammetry Engineering, University of Jaén, Jaén, Spain
6. Centre for Advanced Studies in Earth Sciences, Energy and Environment (CEACTEMA), University of Jaén, Jaén, Spain
7. Research Group RNM–282 Microgeodesia Jaén, University of Jaén, Jaén, Spain