On Friday, January 3, 2003, at 11:11 AM, Paul Marquess wrote: > 1.1.4 5.83 > beta5 POSTINC 4.87 > beta5 4.76 > beta3 4.67 > beta2 4.56 > beta3 POSTINC 4.55 Paul, What is the uncertainty / repeatability of your measurements? I'm wondering if I can compare these numbers at the tenth of a second level, or not. mark