3 ms·
The GIIRS on FY-4A was indeed first (2016), but MTG-S1's IRS has significantly higher spectral resolution (1960 vs 689 channels) and improved spatial coverage,
by ethan_smith 1y ago
The GIIRS on FY-4A was indeed first (2016), but MTG-S1's IRS has significantly higher spectral resolution (1960 vs 689 channels) and improved spatial coverage, making it the first "full" hyperspectral sounder in GEO.