Satellite Program
FY-4A
Satellite details
Data circulation:
CDAS (Command and Data Acquisition Station) for real-time acquisition of the full information. HRIT(High Rate Information Transmission) for near-real time broadcasting full resolution…/ images.
LRIT (Low Rate Information Transmission) for broadcasting a selection of images and weather warning information.
DCS (Data Collection Service) to relay messages from self-timed DCP (Data Collection Platform).
Acronym: FY-4A
Full name: Feng-Yun-4A
Mass at launch: 5400kg
Dry mass: N/A
Power: 3200 W
CDAS (Command and Data Acquisition Station) for real-time acquisition of the full information. HRIT(High Rate Information Transmission) for near-real time broadcasting full resolution…/ images.
LRIT (Low Rate Information Transmission) for broadcasting a selection of images and weather warning information.
DCS (Data Collection Service) to relay messages from self-timed DCP (Data Collection Platform).
Acronym: FY-4A
Full name: Feng-Yun-4A
Mass at launch: 5400kg
Dry mass: N/A
Power: 3200 W
Satellite Description | |
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|
Orbit | Geostationary orbit |
---|---|
Altitude | 35786 km |
Position | 104.7° E |
Operator | CMA |
---|---|
Status | Operational |
Details on Status | Operational at 104.7°E since 2017-09-25 |
Launch | 2016-12-11 |
End of Service | Designed life-time: 5 years |
Last update | 2020-05-09 |
Satellite Payload | |
Acronym | Full name |
---|---|
DCS | Data Collection System |
GIIRS | Geostationary Interferometric Infrared Sounder |
LMI | Lightning Mapping Imager |
AGRI | Advanced Geostationary Radiation Imager |
SEP | Space Environment Package |
Frequency information | |||||||
Service | Dir | Frequency | Bandwidth | Polarisation | D/A | Datarate or Baseband | Comments |
---|---|---|---|---|---|---|---|
CDAS | S-E | 7500 MHz | 100000 kHz | RHCP LHCP | D | N/A | Raw data |
HRIT | S-E | 1681 MHz | 12000 kHz | linear | D | N/A | High-resolution data |
HRIT | S-E | 1679 MHz | 8000 kHz | linear | D | N/A | High-resolution data |
LRIT | S-E | 1697 MHz | 2000 kHz | linear | D | N/A | Selected data |
DCP | E-S | 401.1 - 401.4 MHz | 300 kHz | RHCP | D | N/A | Regional DCP reports |
DCP | E-S | 402 - 402.1 MHz | 100 kHz | RHCP | D | N/A | International DCP reports |