New version of PEPS (French Sentinel mirror site)

As you probably know, PEPS is the French Collaborative ground segment for Copernicus Sentinel program. And, first of all, it is a mirror site that distributes all the Sentinel data in near real time. These last weeks, real time was not available for Sentinel-2, as the data format and structure of Sentinel-2 products had deeply changed, and the software needed adaptation. PEPS team created a new collection, named "Sentinel-2 Single Tiles", coded "S2ST" to separate the old format from the new one. Now that the new version has been installed and validated, the PEPS mirror site is once again up to date.

At the same time, as the amount of data on the system nears two petabytes, PEPS started to migrate older data to tapes. The disks work as a cache, all the data are on tape, and only the recently acquired or downloaded data will stay on the frontal disks. The consequence is a longer access time to the data on tape, around one minute. As a compensation, the download rate of PEPS data has been considerably increased.

 

There are several ways to download the data, using the web interface, the peps_downloader to download the data once you have selected them on the interface, or my little python tool peps_download.py which searches and downloads the data from the command line :

Download all the S2 Single Tiled products acquired above Toulouse in December 2016 of January 2017

python peps_download.py -l 'Toulouse' -a peps.txt -d 2016-12-06 -f 2017-02-01 -c S2ST

Download all the S2 Single Tiled products acquired above Toulouse in December 2016 of January 2017 from relative orbit 51

python peps_download.py -l 'Toulouse' -a peps.txt -d 2016-12-06 -f 2017-02-01 -c S2ST -o 51

Download all the S1 Single Tiled products acquired above Bordeaux in November 2014

python  peps_download.py -l 'Bordeaux' -a hagolle.txt -d 2014-11-01 -f 2014-11-30 -c S1

Download all the S2 multiple tiles products acquired above Toulouse in November 2015

python peps_download.py --lon 1 --lat 44 -a peps.txt -d 2015-11-01 -f 2015-12-01 -c S2

Download all the S2 multiple tiles products acquired above a box near Toulouse in November 2015

python peps_download.py --lonmin 1 --lonmax 2 --latmin 43 --latmax 44 -a peps.txt -d 2015-11-01 -f 2015-12-01 -c S2

PEPS is also providing an excellent information page, and providing up-to-date news via a RSS link.

            

Posted under: Code, In English, PEPS, Sentinel-1, Sentinel-2

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