Is the CPF file name used to process the TM / ETM+ data is written within the product format?
For FAST L7A and TM / ETM+ GeoTIFF products, the CPF file name is described in the metadata file (*.mtl); line 55, field CPF_FILE_NAME where group is PRODUCT METADATA. For CEOS products, the same information is provided in the volume directory file of the calibration file. The exact location is the field 13 of the text record. The TM Fast B format is not designed to add the description on the CPF file name used during the processing.