The new Landsat import module in TerrSet reads the accompanying MTL file to import and process the data from the USGS archive. We have found one case where the MTL has an error in its documentation that results in the incorrect documenting of the reference system in the imported .rdc file.
This occurred importing a Landsat 1 MSS scene for southern Africa. The MTL had an error in the EPSG code resulting in the .rdc file to record UTM-35N instead of UTM-35S. This is easily corrected after importing by changing the reference system in Metadata in Terrset or using the Metaupdate module.