Creating the RT-32 Radio Telescope on the Basic of MARK-4B Antenna System. 2. Estimation of the Possibility for Making Spectral Observations of Radio Astronomical Objects - A. V. Antjufeev; A. M. Korolev; A. N. Patoka; V. M. Shulga; O. M. Uljanov; A. M. Reznichenko; V. V. Zakharenko; V. I. Prisjazhnyj; A. V. Poikhalo; V. V. Vojtjuk (Radio Physics and Radio Astronomy, 2019)