"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"
Planned constellation of Earth observation and data relay satellites.
Guanpu surveillance of satellites is LEO.
Verify radio communication and small remote sensing experiments.
Guanpu surveillance of satellites is LEO.
"Measure atmospheric environmental factors and the space environment, and help in disaster prevention and mitigation."
