On Fri, Sep 14, 2018 at 1:34 PM Arne N7KA asked: > Which radio file is used with FT-991A for interface to DX4WIN? Arne, what version of DX4WIN? I see that 9.0x supports FT-990, have you tried that one? -- Jim Reisert AD1C, <jjreisert at alum.mit.edu>, http://www.ad1c.us