The inStrumeNt sourcE pAcket toolKit (SNEAK) is composed of a set of command line utilities to extract/manipulate the values of specific ISP fields in L0 RAW files -- DFDL4S is used to access the binary files.

The toolkit currently includes the following tools:

  • isp_extractor, extract specific ISP field(s) into a CSV text file
  • isp_transform, update specific ISP field(s) according to a timeline
  • isp_sequencer, corrects the SSC of a multi-file ISP stream
  • isp_crcfix, corrects the CRC of a multi-file ISP stream
  • isp_treemk, lists the fields of the ISP(s) stored in a file
  • isp_mux, select/reorder/combine the ISPs from multi-file ISP streams
  • isp_annotate, prepends an annotation field to all ISPs in a given file

See the documentation for more information.