Joe.. Don't you also need a "comp position file" since Gerbers are X,Y locations and "net list files" are ref des-pin number and neither one tracks the other. Am I missing something?? Bob Vanech *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************