No option --substratefile in Scuff-rf

[Alla2912]

The documentation of scuff-rf says that mentioned GF is implemented and there is no need to mesh substrate. Also it says that in scuff-rf I can use command --substratefile or add substrate..endsubsrtate into scuffgeo file. But when I run scuff-rf there is no such option as --eps or --substratefile. Also scuffgeo file cannot be opened with SUBSTRATE...ENDSUBSTRATE. So will you be so kind to help me with the provided example Edge Fed Antenna with substrate? How could I take eps and width of substrate into account?