The SLSTR Level-1 product package is composed of one information package map, also called a manifest, and several measurement and annotation data files (between 77 and 111 files depending on the processing parameters).
For measurement files, SL_1_RBT, the Level-1B product includes between 22 and 34 radiance and brightness temperature measurements datasets. For nadir and oblique views, there is:
They contain, for each pixel on the full resolution grid and for each un-regridded pixel (also called orphan pixels), the radiance or brightness temperature and their associated exception flags. These files are all written in netCDF 4 format and include dimensions, variables and associated attributes.
Annotation data files are also written in netCDF 4 format. Their number and dimensions are described in the following table:
Table 1: Description of the annotation data files included in the SLSTR Level-1 product
Associated with these files, an information package map describes, for each Level-1 file, the content unit identifier and description, and the type of data contained in each file.
A manifest file in XML format gathers together metadata associated with the instrument and the processing.