On Mon, Jul 16, 2012 at 9:25 PM, Wayne Burdick <n6kr at elecraft.com> wrote: > ....we could design an external 10-MHz locking module... ========== If that's what it takes, I would go for it. Tony KT0NY -- http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352