MVISR is the scanner carried aboard the first FengYun ("Wind and Cloud") series of meteorological satellites launched by China.
FY-1C, launched 10 May 1999, operated from a sunsynchronous polar-orbit at an average altitude of 858km. At this orbit FY-1D crossed the Chinese landmass at about 8:30 a.m. Beijing Time (00:30 UTC) everyday.
FY-1C carried a version of MVISR which images 10 spectral bands:
| Channel | Wavelength (nm) | Primary Use |
|---|---|---|
| 1 | 580-680 | Daytime cloud, ice and snow vegetation |
| 2 | 840-890 | Daytime cloud, vegetation, water |
| 3 | 3550-3930 | Heat source, night cloud |
| 4 | 10300-11300 | SST, day/night cloud |
| 5 | 11500-12500 | SST, day/night cloud |
| 6 | 1580-1640 | Soil humidity, ice/snow distinguishing |
| 7 | 430-480 | Ocean color |
| 8 | 480-530 | Ocean color |
| 9 | 530-580 | Ocean color |
| 10 | 900-965 | Water vapor |
The FY-1C satellite was destroyed by a Chinese Anti-Satellite weapon.
The successor FY-1D carries the same sensor and is still operating but with reduced functionality.
See Also: CNES
See Also: EOPortal
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