On Mon,9/28/2015 9:35 AM, dw wrote: > If a tuner is located at the rig-side of the coax, and the coax is at > high SWR, it could possibly be a cause for coax radiation. It doesn't work that way. Radiation from coax is the result of IMBALANCE in the antenna. A ferrite common mode choke at the feedpoint can fix that. 73, Jim K9YC