12 AMS Configuration for 08-067-00 19 Jul 2008 WSFM 2008 Flight #4 01 01 16 0 0.018766 0.0000 0.424 0.440 0.453 0.100 1818.59 02 02 16 0 0.005986 0.0000 0.452 0.492 0.519 0.100 2020.41 03 03 16 0 0.006634 0.0000 0.519 0.552 0.592 0.100 1813.17 04 04 16 0 0.019056 0.0000 0.570 0.600 0.640 0.100 1713.96 05 05 16 0 0.017310 0.0000 0.598 0.630 0.684 0.100 1611.29 06 06 16 0 0.019030 0.0000 0.640 0.684 0.770 0.100 1416.39 07 07 16 0 0.017868 0.0000 0.703 0.768 0.884 0.100 1158.37 08 08 16 0 0.025847 0.0000 0.801 0.906 1.039 0.100 898.68 09 09 16 0 0.020663 0.0000 1.582 1.746 1.773 0.100 218.61 10 10 16 0 0.004267 0.0000 2.082 2.210 2.340 0.100 75.73 11 11 16 1 0.942501 0.0000 3.664 3.745 3.810 0.010 11.09 12 12 16 1 0.956789 0.0000 9.994 10.597 11.128 0.010 0.20 | | | | | | | | | | | | | | | | | | | | | =(!) | | | | | | | | | =-Scale Factor | | | | | | | | =- Right 50% spectral response | | | | | | | =-Peak 100% spectral response (microns) | | | | | | =-Left 50% spectral response (microns) | | | | | =-Calibration intercept (only used for visible bands) | | | | =--------Calibration slope (only used for visible bands 1-10) | | | | Blackbody emmissivity (only used for IR bands 11-12) | | | =----------0 => visible band, 1 => thermal infrared band" | | =-------------Number of bits in this channel (8 or 10) | =----------------Spectral band assigned to this channel =------------------------- Channel number (!) Sensor weighted solar spectral irradiance (Watts/meter2/micron) at mean Earth-Sun distance NOTE: Factor in column 10 is used to scale radiances in calibrated data by the following method: value_stored = int( radiance / factor ) for each channel ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Title Autonomous Modular Sensor - Land 2.5 Sensor_ID_Code L2 171 AMSL2 ExperimentName WSFM 2008 AircraftPlatform NASA Ikhana (870) NavFormatCode POS 50Hz (C-3) LocationCode Global Pos (GPS) AltitudeCode Global Pos (GPS) CalibrationVersion Version 2.0 Calibration CalibrationName WSFM-2008C_070308-081808_081508-081508 SRF_Dataset /rarray/calibrat/AMS/srf/Aug_08C/ SRF_FTP http://asapdata.arc.nasa.gov/AMS/srf/Aug_08c.srf.html NavDataSource Applainix and ASCOT NavDataPath /nav/2008/ikhana/bet0719.out TbackBand 12, 273.0 GranuleVersion 2.0.0 MetadataVersion 2.0.0 GeoLocationProcess MasterGeo (3.0-D with 30 meter DEM) MGeoControlFilePath Control-mgeo_0806700.txt FlightComment WSFM #4 (with new scan motor) and corrected cal input ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Conversion from counts to radiance in VIS and NIR channels is rad = (count - (cbb_avg)) * slope "where," rad = radiance cbb_avg = cold black body counts (running average) slope = from column 7 in above table count = count value *********************************** IR Emissivity Correction (for MAS-50{adapted for AMS}) From Chris Moeller (UWisc) *********************************** This is done in 2 steps: 1. Get the (TBACK Band) scan head count and convert it to a brightness temperature 2. Use the scan head temperature and the cold and warm black body counts/temperatures for computing the corrected slope and intercept for all IR bands. (note: set to 1.0 for channels 1-10) AMS BB Emissivity Coefficients Hemispherical Reflectance (JPL) 9/03 convolved with AMS SRF (ARC) 4/06 Red spot Paint Values in form Wavelength, Emissivity ************************************* For Bands 11 and 12: 0.95410, 0.95510, ************************************************** --- Config.asc creation date = Sep 05 2008