Geometric Correction Envisat ASAR Data Using ESA SNAP
ENVISAT is the flagship earth observation satellite of the European Union from 2000 to 2010. It brings a huge number of payloads and sensors. The most well-known are AATSR, ASAR, and MERIS. ASAR (Advanced Synthetic Aperture Radar) is the continuation of the ERS1-ERS2 satellites which operate in the nineties to early 2000. The satellite now has been decommissioned due to communication problems, but the data is still considered precious because it is recording the earth phenomena in the last decade.
ENVISAT ASAR data has been available for the public, however, its access right now is quite limited due to EU rules. ENVISAT ASAR data comes in with a wide range of data formats, and all of them are supported to read and process in ESA SNAP Software. So if you have access to ENVISAT ASAR, I advise using ESA SNAP if you want to get maximum benefits of the data. Nonetheless, other SAR Software can also process this data.
Recently I have access to the data and I start to play around with the data. One of the processing types that I have done is perform Geometric Correction or orthorectification of the SLC Data of Envisat ASAR. I have recorded all the processing steps that I do in ESA SNAP, and in this post, I would like to share the video with you the readers. Maybe others also use this data and find some difficulties processing the data for certain applications.
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