On Sun, Dec 4, 2011 at 9:58 AM, Michael G. Carper <mike at wa9pie.net> wrote: > On the point of being zero-beat with the station you're calling... > It helps to run a separate receiver. That's about the only way to be 100% certain that you're exactly on the same freq as the other CW station. That's what I often do here. 73, Mike www.w0btu.com