V.P. Meschanov – Honored Scientist of RF, Dr.Sc. (Eng.), Professor,
Director of NIKA-Microwave, Ltd (Saratov)
E-mail: nika373@bk.ru
K.A. Sayapin – Engineer,
NIKA-Microwave, Ltd (Saratov)
E-mail: sayapin.k.a@mail.ru
D.N. Sherstyukov – Applicant,
Department Radio Electronics and Telecommunications,
Yuri Gagarin State Technical University of Saratov E-mail: shed77@mail.ru