Kuban Radiocenter Tbilisskaya (Кубанский радиоцентр) issued a QSL card for the test transmission (on 1089 kHz):
https://sun9-33.userapi.com/impg/3_a7J30cn7YRjQFy4SBy3BN4RoW6BDXBHcgiAQ/S7WO25hWCFs.jpg?size=1280×908&quality=95&sign=3df1033963bcf57302da9551b0ba50cf&type=album
https://sun9-28.userapi.com/impg/UsDv3dI96r5awYUpdIB1P19ZanRST7iJ5xRNsg/SrE26rZzd98.jpg?size=1280×905&quality=95&sign=056d870be730bbf5210f35050e221e2e&type=album
They confirmed 1200 kW. The picture shows a transmitter “РВ-444”.
Some forums say it is also named “буран” (snow storm, many transmitters had strange names :-)), but they are listed with 1000 kW.
https://vk.com/topic-22444240_25525333?offset=last&scroll=1
Marco (2022-11-13)