How to prepare Sentinel-1 images stack for PSI/SBAS in SNAP

If you have both master-slave amplitude stack and the master-slave interferogram with the elevation mask and the orthorectified latitude and longitude bands in the output, then yes, you can. Otherwise you are not compliant with the input requirements for the StaMPS export operator.

Otherwise you can try to use the snap2stamps package (mdelgadoblasco/snap2stamps: snap2stamps v2 : updating snap2stamps announced FRINGE Workshop 2023) with does all the pre-stamps processing for you (only the master splitting has to be done manually using the SNAP GUI). See thread: Snap2stamps package: a free tool to automate the SNAP-StaMPS Workflow

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