Theoretical and experimental investigations
electrodynamical characteristics of RATAN600.
 Calculation of the two and
theemirror periscopic systems of RATAN600 and optimization their characteristics.
 Measurements and calculation of the antenna noise temperature of the RATAN600
radio telescope.
 Calculation of the effective area and the
dissipation factors in the antenna system of RATAN600.
 Calculation and experimental investigation
of the characteristics of the radio telescope RATAN600 when the primary
feed is shifted from the focus.
 Investigation of the effective area and
the noise temperature of RATAN600 equipped with antinoise screens.
 Calculation of
the beam pattern and the polarization characteristics of RATAN600.
 Experimental investigation
of the beam pattern of RATAN600.

Expansion of the wavelength range of RATAN600.
 A theoretical study of possibility of the RATAN600
working within millimetre wavelengths range.
 Experimental investigations of the RATAN600
characterisics at millimetre wavelengths from observations of the cosmic sources.
 Investigation of the atmosphere absorption at
millimetre wavelengths range.
 The methodical Sun observations at millimetre
wavelength for estimate of antenna surface condition.
 Theoretical investigations of the
characteristics of RATAN600 within decimeter wavelength range.

Arrays and focal synthesis of images.
Investigations of new operating modes of RATAN600.
The azimuth synthesis and the image restoration.
The Earth's atmosphere.
 Measurement of the atmospheric attenuation and the antenna efficiency
with help the method of "vertical cuts" of the Earth's atmosphere.
 
Adjustment of the RATAN600 radio telescope.
 Adjustment with help generator placed in the farfield.
 Autocollimation adjustment.

