Short description of the IDL tools in this directory: read_aai_level2.pro Tool to read the GOME-1 and SCIAMACHY (ASCII) level-2 AAI data. read_omi_aai_level2.pro Tool to read the OMI (NetCDF) level-2 AAI data. read_msaai_netcdf_file.pro Tool to read the (NetCDF) level-3 AAI data. ncdf_isvalidfile.pro File needed by "read_msaai_netcdf_file.pro" -- from the Coyote Library by David Fanning