On 11/15/2013 8:47 AM, Vic K2VCO wrote: > that the PR6 makes it possible for me to copy signals that I cannot > copy without it -- even in my noisy location. Yes, the K3 needs a preamp for 6M. I'm using an ARR GasFET preamp in the RX patch point, and it works fine. I bought it nearly ten years ago for use in Chicago. 73, Jim K9YC