China's relay satellites facilitate clear, smooth space-ground communication

Beijing (XNA) Jun 28, 2021

A space-based measurement and control system composed of multiple relay satellites has guaranteed clear and smooth communication between ground control and Chinese astronauts in space. The relay satellites Tianlian I-03, Tianlian I-04 and Tianlian II-01 have been providing stable measurement and data relay support for the complex consisting of Tianhe core module, the cargo craft Tianzhou-2