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Calibration Coefficients NOAA-18

NOAA-18 Normalized and Absolute calibration coefficients for VIS scaled radiance (0 to 1, AVHRR Channel 1). The Absolute coefficients combine all ISCCP calibration adjustments, including the aircraft calibration.

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  DATE     NORMALIZATION    ABSOLUTE     TOTAL CORRECTION
YYYYMMDD   Slope   Intc   Slope   Intc     Slope   Intc  
--------   -------------  -------------  ----------------

20050930  1.124   0.000   1.007   0.000   1.132   0.000
20051031  1.124   0.000   1.009   0.000   1.134   0.000
20051130  1.124   0.000   1.011   0.000   1.136   0.000
20051231  1.124   0.000   1.013   0.000   1.139   0.000
20060131  1.124   0.000   1.016   0.000   1.142   0.000
20060228  1.124   0.000   1.018   0.000   1.144   0.000
20060331  1.124   0.000   1.020   0.000   1.146   0.000
20060430  1.124   0.000   1.022   0.000   1.149   0.000
20060531  1.124   0.000   1.024   0.000   1.151   0.000
20060630  1.124   0.000   1.027   0.000   1.154   0.000
20060731  1.124   0.000   1.029   0.000   1.157   0.000
20060831  1.124   0.000   1.031   0.000   1.159   0.000
20060930  1.124   0.000   1.034   0.000   1.162   0.000
20061031  1.124   0.000   1.036   0.000   1.164   0.000
20061130  1.124   0.000   1.038   0.000   1.167   0.000
20061231  1.124   0.000   1.040   0.000   1.169   0.000
---------------------------------------------------------

NOAA-18: Normalized and Absolute calibration coefficients for IR brightness temperature in Kelvin (AVHRR Channel 4). The Absolute coefficients combine all ISCCP calibration adjustments, including the aircraft calibration.

---------------------------------------------------------
  DATE     NORMALIZATION    ABSOLUTE     TOTAL CORRECTION
YYYYMMDD   Slope   Intc   Slope   Intc     Slope   Intc  
--------   -------------  -------------  ----------------

20050930   1.061 -17.350   1.000   0.000   1.061 -17.350
    :        :       :      :       :        :       :   
20061231   1.061 -17.350   1.000   0.000   1.061 -17.350
---------------------------------------------------------

ISCCP Calibration Coefficients