"Second series for China's data relay satellites, used in manned space missions including space station."
"25 C-band transponders covering China, Southeast Asia, Australia and islands in the South Pacific"
Verify radio communication and small remote sensing experiments.
Guanpu surveillance of satellites is LEO.
Guanpu surveillance of satellites is LEO.
Planned constellation of Earth observation and data relay satellites.
"Measure atmospheric environmental factors and the space environment, and help in disaster prevention and mitigation."
