I am a newbie in interferometry and I would like to do an interferogram of mount etna between the 11/07/2016 and 06/07/2017. For that I applied step by step the tutorial about TOPS interferometry with Sentinel1: http://sentinel1.s3.amazonaws.com/docs/S1TBX%20TOPSAR%20Interferometry%20with%20Sentinel-1%20Tutorial.pdf
But at the end I have a blank interferogram and I am wondering if I missed something.
Those are the steps I followed with the screenshot:
Importing the two products:
To Coregester the two products:
Radar -> Coregistration -> S1 TOPS Coregistration -> S1 TOPS Coregistration
Those are the snapshots of the coregistration steps:
The result I got is another product:
At the end of this step I got a new product:
Why my interferogram is blank ?!