GOMRF produced a kit, back in 1996 (the document says Phase 3D). I've got one that was never built. 73, doug From: Douglas Anoman <danoman at email.itt-tech.edu> Date: Sun, 22 Mar 2009 11:05:11 +0000 Where and how do i get a down converter from 2.4 to 435 mhz? KC9MLN Thank You Douglas Anoman