Pavels Narica Faculty of Engineering, Rezekne Academy of Technologies Latvia
Svetlana Pan’kova Department of Physics, Pskov State University Russian Federation
Vladimir Solovyev Department of Physics, S. M. Budienny Military Telecommunications Academy St. Petersburg, Russian Federation, Department of Physics, Pskov State University Russian Federation
Alexander Vanin Department of Applied Informatics and Modelling, Pskov State University Russian Federation
Mikhail Yanikov Department of Physics, Pskov State University Russian Federation