Selection of Sentinel 1 IW images for Interferometry


A simple question I think:
Is it possible to select different sub-swaths from different Sentinel 1 images for interferometry? For example, combining Sentinel 1 A and B data (since they have small temporal baseline, 1 or a few days) but the same area is covered by different subswaths.
My intention is to create a DEM over a mountain area.

unfortunately, for interferometric applications this is not possible.
Please find more information here: