The UADN61 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (DN): Denmark T1T2ii (UA61): Special aircraft reports, except for volcanic ash (Remarks from Volume-C: NilReason)
The UARO70 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (RO): Romania T1T2ii (UA70): Special aircraft reports, related to volcanic ash (Remarks from Volume-C: NilReason)
The UASN02 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (SN): Sweden T1T2ii (UA02): Routine aircraft reports (Remarks from Volume-C: NilReason)
The UATU70 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (TU): Turkey T1T2ii (UA70): Special aircraft reports, related to volcanic ash (Remarks from Volume-C: NilReason)
The UASN02 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (SN): Sweden T1T2ii (UA02): Routine aircraft reports (Remarks from Volume-C: NilReason)
The UADL61 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (DL): Germany T1T2ii (UA61): Special aircraft reports, except for volcanic ash (The bulletin collects reports from stations: EDZO;) (Remarks from Volume-C: SPECIAL AIREP)
The UAGL71 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (GL): Greenland T1T2ii (UA71): Special aircraft reports, related to volcanic ash (Remarks from Volume-C: NilReason)
The UADN41 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (DN): Denmark T1T2ii (UA41): Routine aircraft reports (Remarks from Volume-C: NilReason)
The UAOS80 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (OS): Austria T1T2ii (UA80): Reserved for future use (Remarks from Volume-C: NilReason)
The UAQB61 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (QB): Bosnia and Herzegovina T1T2ii (UA61): Special aircraft reports, except for volcanic ash (Remarks from Volume-C: NilReason)