On August 11, 2006 06:04 pm, Ron D'Eau Claire wrote: >And the ATU suppresses harmonics and other spurs even more. > Ron AC7AC Does the Elecraft KAT100 Tuner's L network work as a high pass, low pass, or band pass filter? Darrell VA7TO -- Darrell Bellerive Amateur Radio Stations VA7TO and VE7CLA Grand Forks, British Columbia, Canada