But if all stations start by matching as closely as their ears allow with the main knob and then only tweak the offset or RIT after that the only things causing spread will be drift, not excess operator input. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com