On Apr 11, 2007, at 1:43 PM, k2yg at verizon.net wrote: > RTTY dxpeditions with big pile-ups should make their response calls > longer Longer exchanges?! You are going to make Bill W6WRT hopping mad again :-) The solution is very simple: look at what the DX is sending and fashion your calls to be shorter. Shannon-Nyquist Sampling Theorem. 73 Chen, W7AY