1. National and Kapodistrian University of Athens,Section of Electronic Physics and Systems,Department of Physics,Athens,Greece,15784
2. Ajman University,Department of Electrical and Computer Engineering,Ajman,United Arab Emirates
3. Sector of Battle Systems, Naval Operations, Sea Studies, Navigation, Electronics and Telecommunications, Hellenic Naval Academy,Piraeus,Greece,18539
4. University of Ioannina,Electronics-Telecommunications and Applications Laboratory,Physics Department,Ioannina,Greece,45110