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.
--------------------------------------------------------- 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
Contact Us: ISCCP Webmaster
http://isccp.giss.nasa.gov/docs/NOAA-18.html
Last updated: 2007:04:20 @ 13:14:27