id frequency mode datetime sent callsign sent rst sent exchange rec callsign rec rst rec exchange id cross record problem log
225326 21009 CW 14.11.2015 12:34 OK1DO 599 DSO PA3DBS 599 003 228871
228871 21009 CW 14.11.2015 12:33 PA3DBS 599 003 OK1DO 599 BSO 225326 invalid / incorrect received exchange code