CT 9.88 have a bug with serial numbers! This cause the new wpx rules!... but you can fix it with new command SETSERIAL My friend 9a6xx played with CT 9.88 Russian contest and he used WRTC stile log, after 750 qso... number counting started from 650... 100 minus! In version 9.89.02 all is ok! Best 73, Patrick 9A5AEI