1. Department of Space Information Technologies and Systems, Space Research Institute NAS Ukraine & SSA Ukraine, Kyiv, Ukraine
2. Department of Information Security, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kyiv, Ukraine
3. Department of Geographical Sciences, University of Maryland, College Park, MD, USA
4. NASA Goddard Space Flight Center (GSFC) Terrestrial Information Systems Laboratory Code 619, Greenbelt, MD, USA