1. O. Ya. Usikov IRE of NASU,Department of Quasioptics,Kharkiv,Ukraine
2. O. Ya. Usikov IRE of NASU,Department of Vacuum Electronics,Kharkiv,Ukraine
3. NTU of Ukraine “Igor Sikorsky KPI”,Department of Telecommunications
4. O. Ya. Usikov IRE of NASU,Radar Department,Kharkiv,Ukraine