id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
254381 7019 CW 14.11.2015 18:28 OM6RM 599 SEN LZ3YV 599 033 174953
174953 7000 CW 14.11.2015 18:27 LZ3YV 599 033 OM6RM 599 SER 254381 invalid / incorrect received exchange code