I thought the CM current in question came from the antenna in the first place. Wes N7WS On 9/21/2017 3:03 PM, Drew Vonada-Smith wrote: > Doug, > > ... > > But, these common mode currents on the shield travel and radiate. Therefore, they get to your antenna, and THEN they ARE on the center conductor. You hear them. > > 73, > Drew K3PA > >