1. National Technical University of Ukraine,"Igor Sikorsky Kyiv Polytechnic Institute",Department of Applied Radio Electronics,Kyiv,Ukraine
2. Ivan Kozhedub Shostka Professional College of Sumy State University,Electromechanical Department,Shostka,Ukraine
3. National Technical University of Ukraine,"Igor Sikorsky Kyiv Polytechnic Institute",Department of Radio Engineering,Kyiv,Ukraine