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 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 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 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 UAOS81 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (OS): Austria T1T2ii (UA81): Reserved for future use (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 UASN01 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (SN): Sweden T1T2ii (UA01): Routine aircraft reports (Remarks from Volume-C: NilReason)
The UATU60 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (TU): Turkey T1T2ii (UA60): Special aircraft reports, except for 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 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)