--- On Tue, 1/12/10, Jim Brown <jim at audiosystemsgroup.com> wrote: All of which is why we've not heard much about folks trying RF speech processing. :) 73, Jim K9YC I built one years ago, but personally, I'm partial to split-band processing :-) So were the Kenwood engineers that designed the TS-870, arguably one of the better sounding radios. Wes N7WS