This file generated: 16/12/2022

README file for LANDSAT-7 Enhanced Thematic Mapper Plus filter functions
July 2022
thomas.lebrat@meteo.fr


Filters were got from ...

SRF pre-processing :

channel 01 : cwl :     xlsheet# :
channel 02 :
channel 03 :
channel 04 :
channel 05 :
channel 07 :


(channel 06 is from IR channel)
append_coef: Following is taken from rtcoef_landsat_7_tm-ir.H5:
    February 2013
    Filters were got from web site
    http://calvalportal.ceos.org/cvp/web/guest/landsat-5-tm
    SRF pre-processing:
    1 Convert wavelength to wavenumbers
    2 Set negative values to zero, only occurs for Landsat7:
        band 5 around 1.50 microns
        band 6 around [775:785]cm-1
        band 7 around 2.00 and 2.37 microns

Download all SRFs: rtcoef_landsat_7_tm_srf.tar.gz

Channel 01 Central wavenumber/wavelength: 21013.599 cm-1 / 0.476 microns Comment: 1, from L7_ETM_RSR.xls (col 1 Landsat7-TM SRF data: rtcoef_landsat_7_tm_srf_ch01.txt SRF plot: rtcoef_landsat_7_tm_srf_ch01.png

Channel 02 Central wavenumber/wavelength: 17924.629 cm-1 / 0.558 microns Comment: 4, from L7_ETM_RSR.xls (col 1 Landsat7-TM SRF data: rtcoef_landsat_7_tm_srf_ch02.txt SRF plot: rtcoef_landsat_7_tm_srf_ch02.png

Channel 03 Central wavenumber/wavelength: 15152.702 cm-1 / 0.660 microns Comment: 3, from L7_ETM_RSR.xls (col 1 Landsat7-TM SRF data: rtcoef_landsat_7_tm_srf_ch03.txt SRF plot: rtcoef_landsat_7_tm_srf_ch03.png

Channel 04 Central wavenumber/wavelength: 12054.332 cm-1 / 0.830 microns Comment: 2, from L7_ETM_RSR.xls (col 1 Landsat7-TM SRF data: rtcoef_landsat_7_tm_srf_ch04.txt SRF plot: rtcoef_landsat_7_tm_srf_ch04.png

Channel 05 Central wavenumber/wavelength: 6083.658 cm-1 / 1.644 microns Comment: 5, from L7_ETM_RSR.xls (col 1 Landsat7-TM SRF data: rtcoef_landsat_7_tm_srf_ch05.txt SRF plot: rtcoef_landsat_7_tm_srf_ch05.png

Channel 06 Central wavenumber/wavelength: 895.228 cm-1 / 11.170 microns Comment: 6, channel 6 SRFs extracted from spectral_b6.txt see http://calvalportal.ceos.org/cvp/web/guest/landsat-5-tm SRF data: rtcoef_landsat_7_tm_srf_ch06.txt SRF plot: rtcoef_landsat_7_tm_srf_ch06.png