id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
1559 1844 CW 14.11.2015 20:04 OL1A 599 BPV EI2KA 599 014 66753
66753 1843 CW 14.11.2015 20:05 EI2KA 599 014 OL1A 599 BPE 1559 invalid / incorrect received exchange code