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