id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
153175 7154 PH 11.4.2020 19:29 OL5M 59 FUO OK2ZA 59 GTR 160319
160319 7154 PH 11.4.2020 19:29 OK2ZA 59 GTR LO5M 59 FUO 153175 invalid / incorrect received exchange code