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I want to run atmospheric correction on my Landsat TM5 picture using FLAASH (ENVI 4.8) but when I input radiance image (BIL format) into it, then this message is shown: "Enter ASCII filename containing wavelengths and FWHM" and when I enter metadata text file, it is not accepted.

I dont have wavelengths and FWHM in my metadata files which I have downloaded through USGS site.

  • 1) did you use MTL to open DN data before convert it to radiance? 2) why do not use Surface Reflectance product from USGS site? – aldo_tapia Nov 30 '16 at 10:10
  • Thank you for your answer I solved that problem. – Masoud Dec 5 '16 at 11:29
  • Please don't add "thank you" as an answer. Instead, accept the answer that you found most helpful. - From Review – Kersten Dec 5 '16 at 12:08

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