I am buying a CW filter from a guy who thought that he had a YF122c but
when he checked it out, he found that it is a XF122c which worked fine in
his 817.
Does anyone know if this XF122-C will work in the 857D ? I need to know
before he ship's it to me.
Thanks Jurgen N9RD
Kathy & Jürgen Nittner
Westville, IN / APQS Millennium