12 AMS Configuration for 09-910 11 Mar 2009 FCF 01 01 16 0 0.018971 0.0000 0.424 0.440 0.452 0.100 1799.49 02 02 16 0 0.006071 0.0000 0.452 0.492 0.518 0.100 2002.94 03 03 16 0 0.006734 0.0000 0.518 0.554 0.590 0.100 1845.79 04 04 16 0 0.019331 0.0000 0.570 0.602 0.634 0.100 1724.65 05 05 16 0 0.017599 0.0000 0.598 0.634 0.679 0.100 1629.53 06 06 16 0 0.019340 0.0000 0.641 0.688 0.756 0.100 1432.29 07 07 16 0 0.018319 0.0000 0.703 0.768 0.872 0.100 1163.80 08 08 16 0 0.026731 0.0000 0.803 0.912 1.031 0.100 905.77 09 09 16 0 0.006857 0.0000 1.837 1.858 1.918 0.100 141.12 10 10 16 0 0.004375 0.0000 2.075 2.188 2.342 0.100 75.37 11 11 16 1 0.942501 0.0000 3.670 3.750 3.815 0.010 11.04 12 12 16 1 0.956789 0.0000 9.991 10.205 11.118 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 DFRC Mar09 AircraftPlatform NASA ER-2 (809) NavFormatCode Format (A-2) LocationCode Global Pos (GPS) AltitudeCode Global Pos (GPS) CalibrationVersion Version 1.0 Calibration CalibrationName DFRC_022609-031909_012709-000000 SRF_Dataset /rarray/calibrat/AMS/srf/Jan_09/ SRF_FTP http://asapdata.arc.nasa.gov/ams/srf/Jan_09_srf.html NavDataSource ER2 navigation data recorder NavDataPath /nav/2009/er2/09-910 TbackBand 12, 273.0 GranuleVersion 1.0.0 MetadataVersion 1.0.0 GeoLocationProcess Standard FlightComment AMS 1.8um Global Hawk Configuration ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 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 = Apr 16 2009