R.V. Donetsky - Engineer, CJSC RTI Radio (Moscow) I.M. Ivanov - Leading Engineer, JSC «Pluton» (Moscow). E-mail: vela-kim@mail.ru N.V. Petyushin - Engineer, CJSC RTI Radio (Moscow) N.I. Skripkin - Head of Department, JSC «Pluton» (Moscow). E-mail: n.skripkin@pluton.msk.ru