id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
15552 3598 RY 17.12.2016 18:44 OK4K 599 15 RA4FUN 599 20 146722 invalid / incorrect received exchange code
146722 3598 RY 17.12.2016 18:44 RA4FUN 599 16 OK4K 599 15 15552