O.V. Popov – Ph.D. (Eng.), Associate Professor, Leading Research Scientist,

LTD «STC» (St. Petersburg)

E-mail: ov.popov@mail.ru

A.M. Shepilov – Chief Engineer,

LTD «STC» (St. Petersburg)

E-mail: stcspb@mail.ru

G.N. Borisov – Engineer,

LTD «STC» (St. Petersburg)

E-mail: georgiiborisov@gmail.com

A.V. Andropov – Engineer,

LTD «STC» (St. Petersburg)

E-mail: alekseiandropov1605@gmail.ru

A.V. Tumashov – Engineer,

LTD «STC» (St. Petersburg)

E-mail: ice47reg@yandex.ru