id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
196223 7019 CW 15.11.2015 04:50 OL6P 599 GVY R4LZ 599 072 71940
71940 7020 CW 15.11.2015 04:50 R4LZ 599 072 OL6P 599 GAY 196223 invalid / incorrect received exchange code