Can anyone tell me how to download pair of satellite images for DEM preparing for free?

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R. Hadria

Dear Sejeewa

Your download it for free from this web link:

https://earthexplorer.usgs.gov/

The following video will help to understand how does it work .

https://youtu.be/rg2uSLnP6ME

Good luck

Yousef Bahrami

Dear sujeewa, you can download DEM images freely from the link below:

https://earthexplorer.usgs.gov

and also in the following link, you can find to how download various images from above link.

https://m.youtube.com/watch?v=0w1K4vKsdps.

The Viet Tran

You can also use the Global Mapper for DEM image:

https://www.youtube.com/watch?v=hEWw6caFa50

You can also extract DEM from pair stereo images like ASTER, look the link below

https://m.youtube.com/watch?v=-kPsikXUXzk

D.M. Sujeewa Dissanayaka

Dear all, ( R. Hadria , Yousef Bahrami, Tran The viet )

Thank you very much for your information