Cloud Absorption Radiometer (CAR) data are stored and distributed as Hierarchical Data Format (HDF) files.
Developed at the National Center for Supercomputing Applications (NCSA), HDF is a multi-object file format for the transfer of graphical and numerical data between different computer platforms. It is a self-describing, portable, and public domain data format.
Please consult the online resources for additional information and description of HDF at the NCSA HDF Home Page. It's important to install the latest release of the HDF package on your platform.
There are three groups of objects in a CAR HDF file: