Central Television USSR signed off for the final time on 27 December 1991 .
Central Television USSR became Ostankino Television Channel 1 and Ostankino Television Channel 4 , of Ostankino State Television .
Central Television USSR signed off for the final time on 27 December 1991 and became Ostankino Television Channel 1 and Ostankino Television Channel 4 , of Ostankino State Television .