IMAGER INSTRUMENTS CHARACTERISTICS (GOES I-M)

Channel number: Wavelength Range (um)

1(Visible) 0.55 - 0.75

2 (Shortwave) 3.80 -4.00

3 (Moisture) 6.50 -7.00

4 (IR 1) 10.20 - 11.20

5(IR 2) 11.50 - 12.50

Instantaneous Geographic Field of View (IGFOV)

Channel Number-at nadir 1-1 km 2-4km 3-8 km 4-4 km 5-4 km

Radiometric calibration: Space and 290 K infrared internal blackbody

Calibration frequency Space: 2.2 sec (full disc),

9.2 or 36.6 sec (sector/area)
Infrared: 30 minutes typical

System absolute accuracy IR channels: less than or equal to 1 K
Visible channel: 5% of maximum scene irradiance

Imaging rate: Full earth disc, less than or equal to 26 minutes