id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
50691 7000 RY 17.12.2016 13:46 DL7TG 599 14 OK1VK 599 15 69418
69418 7048 RY 17.12.2016 13:45 OK1VK 599 15 DL7TG 599 15 50691 invalid / incorrect received exchange code