Hi Andy, thanks a lot for the great little programme it worked for me straight out of the box very neat, I got a couple of questions about the squawk code text file but I`ll leave them for later. I`m running Vista with service pack 1 fully updated on a E6750 core 2, 4Gb ram with scroll interval set to zero and scroll amount on the 4th notch this gives me steady scrolling with hardly any jerkiness, if you have got a favourite charity I`d be happy to send a donation. Lou