| Instrument Name | Operational Date(s) | Spectral Resolution | Type of Instrument |
|---|---|---|---|
| Atmospheric Infrared Sounder (AIRS) | 2002 | 2378 infrared channels in the 3.74 to 15.4 micron spectral range | Profiler/Sounder |
| Advanced Microwave Sounding Unit (AMSU-A) | 2002 | 15 channel microwave sounder with a frequency range of 15-90 GHz | Profiler/Sounder |
| Humidity Sounder for Brazil (HSB) | 2002 | Four channels: 1 at 150 GHz, 3 at 183 GHz | Profiler/Sounder |
| Advanced Microwave Scanning Radiometer for EOS (AMSR-E) | 2002 | 6 bands: 6.9 to 89 GHz with 0.3 to 1.1 K | Imaging Spectrometer/Radiometer |
| Moderate-Resolution Imaging Spectroradiometer (MODIS) | 2002 | 36 spectral bands ranging in wavelength from 0.4 µm to 14.4 µm | Imaging Spectrometer/Radiometer |
| Clouds and Earth's Radiant Energy System (CERES) | 2002 | Total radiance (0.3 to 100 µm); Shortwave (0.3 to 5 µm); Window (8 to 12 µm) | Radiometer |
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