1. From the Toolbox, select one of the following:
   • Radar > AIRSAR > View AIRSAR/TOPSAR Header
   • Radar > View COSMO-SkyMed Header
   • Radar > View Generic CEOS Header
   • Radar > RADARSAT > View RADARSAT Header

The Input File dialog appears.

2. Select the file from which to read the header and click OK.
   • For AIRSAR, select a .stk file. The AIRSAR File Information dialog lists the header information. 
   • For TOPSAR, select a .dat file. The AIRSAR File Information dialog lists the header information.
   • For COSMO-SkyMed, select a data file (.h5). The COSMO-SkyMed Header Report dialog appears if you selected to view Basic metadata. The COSMO-SkyMed Header Complete Report dialog appears if you selected to view Extend metadata.
   • For the Generic CEOS Header option, select a CEOS leader file (lea_01.001). The CEOS Header Report dialog lists the header information.
   • For RADARSAT-1 data in CEOS format, select an image file (dat_01.001). The CEOS Header Report dialog lists the header information.
   • For RADARSAT-2, select an image file in GeoTIFF format (image_<n>.tif), one for each polarization channel. The RADARSAT-2 Header Report dialog lists the header information.
3. To save the report to an output file, select File > Save Text to ASCII from the Header Report window menu bar. The Output Report Filename dialog appears.
4. Enter an output filename and click OK.