12 AMS Configuration for 07-002-01 1 Jun 2007 S.F. Bay Area 01 01 16 0 0.017852 0.0000 0.422 0.438 0.450 0.100 1784.51 02 02 16 0 0.005734 0.0000 0.450 0.488 0.514 0.100 1960.12 03 03 16 0 0.006396 0.0000 0.515 0.550 0.585 0.100 1850.16 04 04 16 0 0.018323 0.0000 0.566 0.594 0.628 0.100 1763.58 05 05 16 0 0.016653 0.0000 0.594 0.624 0.670 0.100 1638.27 06 06 16 0 0.018366 0.0000 0.635 0.676 0.743 0.100 1443.58 07 07 16 0 0.017177 0.0000 0.695 0.756 0.852 0.100 1179.39 08 08 16 0 0.024007 0.0000 0.790 0.892 1.020 0.100 901.48 09 09 16 0 0.020869 0.0000 1.575 1.738 1.772 0.100 220.46 10 10 16 0 0.004329 0.0000 2.077 2.222 2.337 0.100 76.46 11 11 16 1 0.942501 0.0000 3.668 3.745 3.811 0.010 11.84 12 12 16 1 0.956789 0.0000 10.014 10.191 11.107 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 Level-1B Data Sensor_ID_Code L2 171 AMSL2 ExperimentName F.C.F. AircraftPlatform SKY Caravan (797) NavFormatCode POS 50Hz (C-3) LocationCode Global Pos (GPS) AltitudeCode Global Pos (GPS) CalibrationVersion Version 1.0 Calibration CalibrationName Dryden_112007 SRF_Dataset /rarray/calibrat/AMS/srf/May_07/ SRF_FTP http://asapdata.arc.nasa.gov/ams/srf/May_07.srf.html NavDataSource Applainix and ASCOT NavDataPath /nav/2007/caravan/bet601.out TbackBand 12, 273.0 GranuleVersion 1.0.0 MetadataVersion 1.0.0 GeoLocationProcess MasterGeo (3.0-D with 10 meter DEM) MGeoControlFilePath Control-mgeo_0700201.txt FlightComment Moffett local F.C.F. ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ 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 = Nov 20 2007 Config.asc creation date = Nov 20 2007