BackForward Satellite Programme: Feng-Yun - 2 

Programme details
Programme description
  • Series of eight operational meteorological satellites in geostationary orbit.  Feng-Yun means “Wind and Cloud”.
  • Chinese programme.  Developed by NRSCC and operated by CMA.
  • The platform is inertially stabilised by spin.
  • The design life time of the satellites is 3 years.
  • The primary position is 105°E. The replacement policy is based on placing further satellites on 86.5°E and 112°E.
  • See detailed description at:
Data circulation
  • CDAS (Command and Data Acquisition Station) for real-time acquisition of the full information.
  • S-VISSR Data Transmission for near-real time broadcasting of full resolution images.
  • WEFAX (Weather Facsimile) to broadcast a selection of images in analogue form.
  • LRIT (Low Rate Information Transmission), replacing WEFAX for  broadcasting of image frames and other data.
  • DCS (Data Collection Service) to relay messages from self-timed DCP (Data Collection Platform).
  • CMACast [not exclusively dedicated to FY-2 data] DVB retransmission service.
Programme lifetime 1997 - 2024
Associated satellites and instruments

Note: red tag => no longer operational , green tag => operational , blue tag => planned