Stretched Visible and Infrared Spin Scan Radiometer (S-VISSR)
S-VISSR |
Stretched Visible and Infrared Spin Scan Radiometer |
Satellites |
FY-2 A to G |
Status |
Operational – Utilised in the period: 1997 to ~ 2017 |
Mission |
Multi-purpose VIS/IR imagery and wind derivation by tracking clouds and water vapour features |
Instrument type |
5-channel VIS/IR radiometer |
Coverage/cycle |
Full disk every 30 min. Limited areas in correspondingly shorter time intervals |
Resolution (s.s.p.) |
5.0 km for IR channels; 1.25 km for the VIS channel |
Resources |
Mass: … kg - Power: … W - Data rate: … Mbps |
Central wavelength |
Spectral interval |
Radiometric accuracy (SNR or NEΔT) |
0.77 µm |
0.55 - 0.99 µm |
1.5 @ 0.5 % albedo |
3.75 µm |
3.50 - 4.00 µm |
0.4 K @ 300 K |
6.95 µm |
6.30 - 7.60 µm |
0.5 K @ 300 K |
10.8 µm |
10.3 - 11.3 µm |
0.3 K @ 300 K |
12.0 µm |
11.5 - 12.5 µm |
0.3 K @ 300 K |