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grace-data

Scripts to download L1B and L2 data of the Gravity Recovery and Climate Experiment (GRACE) satellites from the German Research Centre for Geosciences' (GFZ) Information System and Data Center (ISDC).

The data is placed in L1B/$SOURCE/RL$VERSION/ or L2/$SOURCE/RL$VERSION/, with $SOURCE one of CSR, GFZ, JPL, and $VERSION a relevant L1B/L2 data release version. Note that not all combinations of L1B/L2, $SOURCE and $VERSION are available, refer to the ISDC directory structure.

The following scripts are included:

  • cat-l1b.sh: show the contents of the L1B data (one day and product at a time):
CAT_L1B_HELP
  • extract-l1b.sh: extract the contents of the L1B data (one day and product at a time):
EXTRACT_L1B_HELP
  • download-l1b.sh: download the L1B data (one day at a time);
DOWNLOAD_L1B_HELP

  • batch-download-l1b.sh: download the L1B data for the given 4-digit list of years;

  • download-l2.sh: download the L2 data (all data for one institute and release version);

DOWNLOAD_L2_HELP
  • extract-l2.sh: extract the contents of the L2 data (all data for one institute and release version):
EXTRACT_L2_HELP
  • software/update.sh: download and compile the Bin2AsciiLevel1 utility needed to read the binary L1B data (no arguments).

The cat-l1b.sh script calls the extract-l1b.sh script in case the uncompressed data is not available, which calls the download-l1b.sh in case the compressed data is not available.