E.M. Makarychev - Student, Moscow Institute of Physics and Technology (State University) I.A. Grigoryev - Post-graduate Student, Engineer, JSC «Radiofizika»

A.A. Sukhanov - Student, Moscow Institute of Physics and Technology (State University) E.M. Makarychev - Student, Moscow Institute of Physics and Technology (State University); Engineer, PJSC «Radiofizika» (Moscow) I.A. Grigorev - Head of Sector, PJSC «Radiofizika» (Moscow)

A.B. Nikitin – Ph.D.(Eng.), Associate Professor, Higher School of Applied Physics and Space Technologies,  Peter The Great St. Petersburg Polytechnic University

E-mail: nikitin@mail.spbstu.ru

E.I. Khabitueva – Post-graduate Student, Higher School of Applied Physics and Space Technologies,  Peter The Great St. Petersburg Polytechnic University

E-mail: basilliounderground@mail.ru