Roger, K9RB wrote: "I rotated the tuning knob on every Ten-Tec at the show and every one had an eccentric knob." ========== The eccentricity of both of the VFO knobs on my Orion looks to be about 1/64" or less. I would never have noticed it if you hadn't mention it. It's no cause of concern to me. 73, de Earl, K6SE