A.A. Baranov – Ph.D.(Phys.-Math.), Engineer, Higher School of Applied Physics and Space Technologies, Institute of

Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University E-mail: 79111700994@ya.ru

S.V. Ermak – Ph.D.(Phys.-Math.), Associate Professor, Department «Quantum Electronics», Institute of Physics,

Nanotechnology and Telecommunications of Peter The Great St. Petersburg Polytechnic University

E-mail: serge_ermak@mail.ru

R.K. Lozov – Student, Institute of Physics, Nanotechnology and Telecommunications of Peter The Great

St. Petersburg Polytechnic University

E-mail: Lozov-RK@ya.ru

V.V. Semenov – Dr.Sc.(Phys.-Math.), Professor, Leading Engineer, Higher School of Applied Physics and Space

Technologies, Institute of Physics, Nanotechnology and Telecommunications of Peter The Great St. Petersburg

Polytechnic University

E-mail: Vladimir_semenov@mail.ru

O.V. Ermak – Ph.D.(Eng.), Associate Professor, Institute of Civil Engineering of Peter The Great St. Petersburg

Polytechnic University

E-mail: ermak_olgavalentinovna@mail.ru

A.V. Saltsberg1, K.G. Shupen2, A.Yu. Feoktistov3

1-3 Russian Institute of Radionavigation and Time (Saint-Petersburg, Russia)

A.V. Saltsberg1, K.G. Shupen2

1,2 JSC “Russian Institute of Radionavigation and Time” (Saint-Petersburg, Russia)