Журнал «Радиотехника» | Издательство РАДИОТЕХНИКА

A.S. Godin - Engineer, - SPA "LEMF" JSC (Moscow). E-mail: andrey.godin@gmail.com
D.S. Gezha - Head of Engineering Department, LLC "Metriktest". E-mail: dmitry.gez@gmail.com
K.N. Klimov - Leading Research Scientist, - SPA "LEMF" JSC (Moscow). E-mail: const0@online.ru

System of automatic landing UAV

E. A. Volodin - Head of Department, JSC "MNIRTI"
A. S. Gribanov - Ph.D. (Eng.), Associate Professor, MAI, Senior Researcher, JSC "MNIRTI". E-mail: gribanov@inbox.ru
A. S. Korenkov - Head of Sector, JSC "MNIRTI". E-mail: a.korenkov@mnirti.ru
Yu. V. Nevzorov - Ph.D. (Eng.), Director General of JSC "MNIRTI". E-mail: ne_u@telecom.ru

The modified Omega-KA algorithm for synthesis of improved accuracy SAR images in Spotlight mode and its ballistic support

S. G. Lichansky - Ph.D. (Eng.), Leading Research Scientist, JSC «Concern «Vega». E-mail: mail@vega.su

Choice of ship antenna installation construction for centimeter and millimeter band

N.Yu. Vorob-ev - Head of Department , FRPC «RNIIRS»
D.D. Gabrielyan - Dr.Sc. (Eng.), Professor, Deputy Head of Science of Scientific and Technical Complex, FRPC «RNIIRS»
V.I. Demchenko - Head of Scientific and Technical Complex, FRPC «RNIIRS»
E.A. Kovalenko - Ph.D. (Eng.), Senior Researcher, FRPC «RNIIRS»
A.A. Kosogor - Ph.D. (Eng.), Acazdemician of the Russian Engineering Academy, Director, FRPC «RNIIRS»
D.Ya. Razdorkin - Leader of Sector, FRPC «RNIIRS»
A.A. Saranov - Deputy Head Department, FRPC «RNIIRS»
O.Z. Sultanov - Ph.D. (Eng.), Researcher, FRPC «RNIIRS»

Investigation of azimuthal oscillations in the disc dielectric resonator with conductive end walls

Yu. G. Belov - Dr.Sc. (Eng.), Professor of Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev. E-mail: trt@nntu.nnov.ru
M. Yu. Zvezdova - Engineer, JSC «GIPROGAZCENTR». E-mail: mariazv@yandex.ru
K. I. Kisilenko - Undergraduate, Electronics and Information Technology Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev. E-mail: physics@nntu.nnov.ru
B. Yu. Tsarev - Undergraduate, Electronics and Information Technology Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev. E-mail: yourich_nec@mail.ru

The new methods development for improvement MTI systems to-wards the increasing of the passive jamming suppression efficiency

A.Yu. Gordeev - Post-Graduate Student, Department of Theoretical Radio Physics and Radio Engineering, Moscow State Technical University of Radio Engineering, Electronics and Automation (MSTU MIREA). E-mail: alexur-gor2008@gmail.com V.V. Yatsishen - Dr.Sc. (Eng.), Professor, Department of Forensic Expertise and Physical Materials Science, Volgo-grad State University (VolSU). E-mail: yatsishen@list.ru

Optimization algorithms of MIMO spatial structure

A.V. Ksendzov - Ph.D. (Eng.), Associate Professor, Ryazan State Radio Engineering University. E-mail: xendzov.a.v@rsreu.ru

Capabilities of direction finding based on using of two-layer three-element equidistant circular antenna array

A. D. Vinogradov - Dr.Sc. (Eng.), Professor, Chief Research Scientist, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: mvvad@mail.ru А. Yu. Mihin - Head of Project, JSC - Concern "Sozvezdie" (Voronezh). E-mail: alemih@mail.ru Ye. P. Nikitenko - Engineer, JSC - Concern "Sozvezdie" (Voronezh). E-mail: nikitenko.ekaterina@gmail.com G. V. Podshivalova - Ph.D. (Eng.), Head of Department, JSC - Concern "Sozvezdie" (Voronezh). E-mail: Galinawrn@mail.ru

Experimental assessment of operational accuracy of a triangulation system of position finding of sources of radiation of high frequency range

S. N. Razin´kov - Dr.Sc. (Phys.-Math.), Senior Research Scientist, Leading Research Scientist, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: razinkovsergey@rambler.ru Ye. A. Reshetnyak - Head of Department - Deputy Director, Air Force Academy n.a. Prof. N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: reshetnyakea@bk.ru

Evaluation of spatial orientation of the mobile object on measurements orthogonal accelerometer and magnetometer

А.D. Vinogradov - Dr.Sc. (Eng.), Professor, Chief Research Scientist, Military Air Academy named after professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh). E-mail: mvvad@mail.ru А.Yu. Vostrov - Designer, JSC «Concern «Sozvezdie» (Voronezh). E-mail: a.y.vostrov.1988@ mail.ru I.S. Dmitriev - Ph.D. (Eng.), Leading Research Scientist, JSC «Concern «Sozvezdie» (Voronezh). E-mail: dmiv@mail.ru

Determination of the spatial orientation of surface and space objects

A.V. Grebennikov - Ph.D. (Eng.), Head of Sector, JSC «SPE «Radio and Communication» (Krasnoyarsk) A.K. Dashkova - ст. преподаватель, Departament «Radioelectronic systems», Engineering Physics and Radioelectronics Institute, Siberian Federal Universit (Krasnoyarsk) F.V. Zander - Ph.D. (Eng.), Associate Professor, Head of Department «Radioelectronic systems», Engineering Physics and Radioelectronics Institute, Siberian Federal Universit (Krasnoyarsk) E-mail: FZander@sfu-kras.ru A.V. Kudrevich - Post-graduate Student, Department «Radioelectronic Information Systems Technology», Engineering Physics and Radioelectronics Institute, Siberian Federal Universit (Krasnoyarsk) A.V. Yachin - Post-graduate Student, Department «Radioelectronic Information Systems Technology», Engineering Physics and Radioelectronics Institute, Siberian Federal Universit (Krasnoyarsk)

Characteristics of direction finding by a volume helical antenna array with a variable vertical step

E. S. Artemova – Post-graduate Student, Senior Engineer,

JSC “Concern “Sozvezdie” (Voronezh)

E-mail: artemovaes92@mail.ru

P. V. Novikov – Leading Designer,

JSC “Concern “Sozvezdie” (Voronezh)

E-mail: novikov.p82@mail.ru

M. P. Slichenko – Dr.Sc. (Eng.), Head of Sector,

JSC “Concern “Sozvezdie” (Voronezh)

E-mail: m.p.slichenko@sozvezdie.su

Determination of coordinates of ground-based radio sources when simultaneous azimuth and elevation radio direction finding of three radio landmarks from the aircraft

A. D. Vinogradov – Dr.Sc. (Eng.), Professor, Chief Research Scientist,

Air Force Academy n.a. professor N.E. Zhukovsky and Y.A. Gagarin (Voronezh)

E-mail: mvvad@mail.ru

V. V. Gribanov – Ph.D. (Phys.-Math.), Research Scientist,

Air Force Academy n.a. professor N.E. Zhukovsky and Y.A. Gagarin (Voronezh)

E-mail: vgribanov@yandex.ru

Local goniometrical systems for determining the coordinates and the angular orientation of the onboard direction-finding antennas

A.D. Vinogradov – Honored Inventor of RF, Dr.Sc.(Eng.), Professor, Main Research Scientist, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)
E-mail: mvvad@mail.ru

L.A. Minin – Ph.D.(Phys.-Math.), Associate Professor,
Faculty of Physics, Voronezh State University
E-mail: mininla@mail.ru

E.Yu. Morozov – MA student,
Faculty of Computer Science, Voronezh State University
E-mail: morozov.evgeniy.95@gmail.com

S.N. Ushakov – Ph.D.(Phys.-Math.), Lecturer,
Faculty of Mathematics, Voronezh State University
E-mail: ushakowww@yandex.ru

Conjugate estimation of the direction of signal arrival angle

S.V. Abyshev¹

1 FSBI HE "MIREA − Russian Technological University" (RTU MIREA) (Moscow, Russia)

The method of forming virtual receiving channels in the automobile MIMO-radar

V.T. Ermolaev, V.Yu. Semenov, A.G. Flaxman, I.V. Artukhin, O.A. Shmonin

Nizhni Nivgorod State University n.a. N.I. Lobachevsky (Nizhni Nivgorod, Russia)

Space-time processing for «range – azimuth – elevation» measurements in non-cooperative systems of radars with phased array antennas

V.V. Chapursky1, A.A. Filatov2, D.E. Koroteev3

1–3 NII RET Bauman Moscow State Technical University (Moscow, Russia)

Comparative characteristics of the accuracy of determining the azimutal coordinates of objects in a two-positional system of small airborne radar

V.A. Nenashev

Saint-Petersburg State University of Aerospace Instrumentation (St. Petersburg, Russia)

Sensibility by backscatter positioning ground-mounted sources of radio frequency by azimuth and elevation radio direction finder on board airship

A.D. Vinogradov – Honored Inventor of RF, Dr. Sc. (Eng.), Professor, Main Research Scientist, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: mvvad@mail.ru

I.S. Dmitriev – Ph. D. (Eng.), Leading Research Scientist, JSC «Concern «Sozvezdie» (Voronez) E-mail: dmiv@mail.ru

Posterior probability density of the results direction finding sources of radio-emissions by the subsystems of radio-electronic survey promising complex radio-electronic warfare

M.L. Artyomov – Dr. Sc. (Eng.), Associate Professor, Director of STC «REB and spetssvyaz»,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: artemov@sozvezdie.su

O.V. Afanasyev – Ph. D. (Eng.), Deputy Head of Scientific and Technical Bureau, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

M.P. Slichenko – Ph. D. (Phys.-Math.), Head of Sector, JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

E.S. Artemova – Engineer, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

The generalized structure of the direction finder and the main terms used in the theory of radio direction finding

A.D. Vinogradov – Honored Inventor of RF, Dr.Sc.(Eng.), Professor, Main Research Scientist, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: mvvad@mail.ru

A.Yu. Vostrov – Senior Designer, JSC «Concern «Sozvezdie» (Voronez)

E-mail: a.y.vostrov.1988@mail.ru

I.S. Dmitriev – Ph.D.(Eng.), Leading Research Scientist, JSC «Concern «Sozvezdie» (Voronez) E-mail: dmiv@mail.ru

Potential exactitude of a joint estimation of an azimuth and angle of elevation of arrival of radio waves from sources of radio-frequency radiation

M.L. Artyomov – Dr.Sc.(Eng.), Associate Professor, Director of STC «REB and spetssvyaz»,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: artemov@sozvezdie.su

O.V. Afanasyev – Ph.D.(Eng.), Deputy Head of Scientific and Technical Bureau, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

M.P. Slichenko – Ph.D.(Phys.-Math.), Head of Sector, JSC «Concern «Sozvezdie» (Voronez) E-mail: ntu541@sozvezdie.su

The method of construction and parameters of volumetric antenna arrays of wide-band azimuth-elevation radio direction finders with a circular working area

A.D. Vinogradov – Dr.Sc.(Eng.), Professor, Main Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: mvvad@mail.ru

E.P. Nikitenko – Designer, JSC «Concern «Sozvezdie» (Voronez); Post-graduate Student, Voronezh State University

E-mail: nikitenko.ekaterina@gmail.com

Calculation of the maximum probability abnormal errors of an azimuthal radio direction finder with a ring antenna lattice

I.S. Dmitriev – Ph.D.(Eng.), Leading Research Scientist,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: dmiv@mail.ru

M.Yu. Ilyin – Ph.D.(Eng.), Senior Research Scientist,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: miuril@rambler.ru

Analysis of the potential accuracy of the amplitude direction finding of radio sources

M.P. Slichenko – Ph.D.(Phys.-Math.), Head of Sector,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

S.P. Trushin – Undergraduate,

Voronezh State University

Azimuthal direction finding of land-based sources of a radio emission at placement of a plane antenna grating of any configuration on the aircraft

E.S. Artemova – Engineer,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

M.P. Slichenko – Ph.D.(Phys.-Math.), Head of Sector,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: ntu541@sozvezdie.su

Maximum-likelihood algorithm for solving the problem of determining on-board direction-finder antenna coordinates and angular orientation on the basis of radio direction-finding of reference radio emission sources

A. D. Vinogradov – Dr.Sc. (Eng.), Professor, Chief Research Scientist

Military Air Force Academy n.a. Prof. N.E. Zhukovsky and Y.A. Gagarin (Voronezh)

E-mail: mvvad@mail.ru

A. Yu. Vostrov – Chief Designer,

JSC «Concern «Sozvezdie» (Voronezh)

E-mail: a.y.vostrov.1988@mail.ru

I. S. Dmitriev – Ph.D. (Eng.), Leading Research Scientist,

JSC «Concern «Sozvezdie» (Voronezh)

E-mail: dmiv@mail.ru

Simulation of polarization characteristics of aperture random antenna radiation

O. N. Maslov – Dr.Sc. (Eng.), Professor, Head of Applied Informatics Department,

Volga State University of Telecommunications and Informatics (Samara)

E-mail: maslov@psati.ru

S. S. Telegin – Ph.D. (Phys.-Math.), Deputy Head of Department,

JSC “SIC RS” (Samara)

E-mail: tss@siprs.ru

M. A. Frolova – Head of Laboratory of Applied Informatics Department,

Volga State University of Telecommunications and Informatics (Samara)

E-mail: ritam2003@mail.ru

I. S. Shatalov – Post-graduate Student,

Applied Informatics Department, Volga State University of Telecommunications and Informatics (Samara)

Research of plate dielectric resonators

V.S. Dobromyslov1, A.A. Kurushin2

1, 2 National Research University Moscow Power Engineering Institute (Moscow, Russia)

1 mpei-dvs@mail.ru; 2 kurushin@mail.ru

Estimation of the state coordinates in multi-band radars

V.I. Merkulov – Honored Scientist of RF, Dr.Sc.(Eng.), Professor, Deputy General Designer, JSC «Corporation «Vega» (Moscow) E-mail: mail@vega.su

P.A. Sadovsky – Ph.D.(Eng.), Senior Research Scientist, JSC «Corporation «Vega» (Moscow) E-mail: mail@vega.su

Planar Luneberg lense constructed by dielectrics with therapeutic form and possibility of full-azimuth scanning

S.A. Antipov – Dr.Sc.(Phys.-Math.), Professor, Department of General Physics of Radio-Electronic Profile, Voronezh State Technical University

A.V. Volodko – Ph.D.(Eng.), Associate Professor, Department of Radio Electronic Systems and Devices, Voronezh State Technical University

Yu.G. Pasternak – Dr.Sc.(Eng.), Professor, Department of Radio Electronic Systems and Devices,

Voronezh State Technical University

S.M. Fedorov – Ph.D.(Eng.), Department of Radio Electronic Systems and Devices, Voronezh State Technical University

New radar monitoring technologies of the land surface for helicopter carriers

V.S. Verba – Corresponding Member of RAS, Honored Scientist of RF, Dr.Sc.(Eng.), Professor,

General Product Engineer – First Deputy General Director of JSC «Corporation «Vega» (Moscow)

E-mail: mail@vega.su, vvs.msk@gmail.com

B.G. Tatarskiy – Dr.Sc.(Eng.), Professor, Director of Scientific and Educational Center,

JSC «Corporation «Vega» (Moscow)

E-mail: boris-tatarsky@inbox.ru

Algorithm of spatial configuration definition of telecommunication systems objects with use of neural network technology

А.А. Strotsev – Dr.Sc.(Eng.), Associeit Professor, Deputy Head on Science of Scientific and Technical Ddepartment, FSUE «RNIIRS» FRPC

А.V. Averyanov – Ph.D.(Eng.), Software Engineer,

FSUE «RNIIRS» FRPC

Y.A. Averyanovа – Post-graduate Student, Engineer, FSUE «RNIIRS» FRPC

Algorithm of determining the coordinates and angular orientation of direction-finder antennas on two flying machines with ground-base radio direction-finder

A.D. Vinogradov – Dr.Sc.(Eng.), Professor, Main Research Scientist,

MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: mvvad@mail.ru

A.Yu. Vostrov – Senior Designer,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: a.y.vostrov.1988@mail.ru

I.S. Dmitriev – Ph.D.(Eng.), Leading Research Scientist,

JSC «Concern «Sozvezdie» (Voronez)

E-mail: dmiv@mail.ru

Methods for solving the triangulation tasks and their comparative analysis

Yu.G. Bulychev – Honored Scientist of RF, Dr.Sc.(Eng.), Professor,

JSC «VNII «Gradient» (Rostov-on-Don)

E-mail: ProfBulychev@yandex.ru

E.N. Chepel – Head of Department,

JSC «VNII «Gradient» (Rostov-on-Don)

E-mail: evgeny_c@bk.ru

A.V. Yachmenev – Post-graduate Student,

JSC «VNII «Gradient» (Rostov-on-Don)

Differential location

A.A. Moiseev – Ph.D.(Eng.), Senior Research Scientist,

Tehnos-RM (Mytischi, Moscow region)

E-mail: slow.coach@yandex.ru

Resonance frequency adjustment of azimuthal modes in disk dielectric resonators with the high Q-factor

V.S. Dobromyslov – Ph.D.(Eng.), Associate Professor, Senior Research Scientist,

Department of Formation and Processing of Radio Signals, «National Research University «MPEI» (Moscow)

E-mail: mpei-dvs@mail.ru

Study of directional properties of arrays of elementary electric vibrators on round perfectly conducting cylinders of finite length

S.N. Razinkov – Dr.Sc.(Phys.-Math.), Senior Research Scientist, Leading Research Scientist,

Radio-Electronic Struggle RTC of MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: razinkovsergey@rambler.ru

D.N. Borisov – Ph.D.(Eng.), Associate Professor,

Department of Radio Engineering and Antenna-Feeder Devices, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: borisov@sc.vsu.ru

A.V. Bogoslovsky – Ph.D.(Eng.), Senior Lecturer,

Department of Radio Electronics, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)

E-mail: bogosandrej@yandex.ru

Analysis of charts of directional and bi-static scattering of unmanned aerial vehicle linear antenna arrays with reduced radar visibility

S.N. Razinkov − Dr.Sc. (Phys.-Math.), Senior Research Scientist, Leading Research Scientist, Research Test Center of Radioelectronic Struggle Military Educational-Scientific Center of Air Forces of the «Military-air academy named after professor N.E. Zhukovsky and Yu. A. Gagarin» (Voronezh) E-mail: razinkovsergey@rambler.ru

S.O. Barаnоv − Ph.D. (Eng.), Senior Research Scientist,

Research Test Center of Radioelectronic Struggle Military Educational-Scientific Center of Air Forces of the «Military-air academy named after professor N.E. Zhukovsky and Yu. A. Gagarin» (Voronezh) E-mail: vaiu@mil.ru

O.E. Razinkova − Ph.D. (Eng.), Senior Research Scientist,

Bearing direction finding absolute errors with placement of the three-element antenna array on the unmanned vehicle

A.S. Samodurov − Ph.D. (Eng.), Associate Professor,

Design and Manufacture of Radio Department,

FSBEI of HE «Voronezh State Technical University» (Voronezh, Russia)

E-mail: unaxel2000@mail.ru

D.S. Pogrebnoi − Bachelor of Science, Master Student,

Radioelectronic Devices and Systems Department,

FSBEI of HE «Voronezh State Technical University» (Voronezh, Russia)

E-mail: denis2371@gmail.com

S.A. Antipov − Dr.Sc. (Phys.-Math.), Professor,

Physic Department, FSBEI of HE «Voronezh State Technical University» (Voronezh, Russia) Е-mail: ofrep@vorstu.ru

A.I. Klimov − Dr.Sc. (Eng.), Professor,

Design and Manufacture of Radio Department, FSBEI of HE «Voronezh State Technical University» (Voronezh, Russia)

The perspective directions of development of methods of spatio-temporal processing of signals in the systems of the over-the-horizon radar-location

J.V. Kuleshov1, A.P. Aleshkin2, V.V. Vladimirov3, T.O. Myslivtsev4, A.A. Koristin5, S.V. Nikiforov6, P.V. Savochkin7, S.N. Balakirev8

1,2 A.F. Mozhaiskiy Military Space Academy (St. Petersburg, Russia)

Axisymmetric beams of light and their application for space technology

A.L. Sokolov1

1 JSC “Precision Systems and Instruments” (Moscow, Russia)

Fusion the results of direction finding and determining the coordinates of the source of radio emission

M.L. Artemov1, O.V. Afanasev2, M.P. Slichenko3, E.S. Artemova4

1-4 JSC «Concern «Sozvezdie» (Voronez, Russia)

Virtual MIMO radars and their comparison based on generalized uncertainty functions

V.V. Chapursky1, G.P. Slukin2, A.A. Filatov3, D.E. Koroteev4

1–4 NII RET Bauman Moscow State Technical University (Moscow, Russia)

Coherent information accumulation from virtual MIMO radars with multiple increase of interelement distances in the real MIMO radar

G. P. Slukin1, V. V. Chapursky2, A. V. Vodolazov3, V. Yu. Loskutov4
1–3 Bauman Moscow State Technical University’s Research Institute of Radioelectronic Technology (Moscow, Russia)
4 Bauman Moscow State Technical University (Moscow, Russia)

Analysis of versions of topology of MIMO radars antenna systems with two-dimensional and one-dimensional arrangement of antenna elements

I. V. Kryuchkov1, M. I. Noniashvili2, S. A. Rastvorov3, V. V. Chapursky4
1–4 Bauman Moscow State Technical University’s Research Institute of Radioelectronic Technology (Moscow, Russia)

Generalized uncertainty function for a non-cooperative multi-position radar with a swarm of receiving positions

A.A. Filatov1, G.P. Slukin2, V.V. Chapursky3, M.I. Noniashvili4

1–4 NII RET Bauman Moscow State Technical University (Moscow, Russia)

Towed radar decoys for protection against guided missiles

A.O. Polyakov1, I.V. Smirnov2, M.B. Tendera3, A.M. Filatov4

1-4 JSC “CNIRTI named after academician A.I. Berg” (Moscow, Russia)

1-4 post@cnirti.ru

Resolution of variants of airfield surveillance MIMO radar

M.I. Noniashvili1, G.P. Slukin2, V.V. Chapursky3

1–3 Bauman Moscow State Technical University’s Research Institute of Radioelectronic Technology (Moscow, Russia)

1 noniashvili@bmstu.ru, 2 niiret@bmstu.ru, 3 valch2008@yandex.ru