The ISSX21 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISS): One-hour observations from automatic marine stations A2 (X): Global Area (area not definable) (Remarks from Volume-C: SHIP)
The FQEN64 TTAAii Data Designators decode as: T1 (F): Forecast T1T2 (FQ): Other shipping A1A2 (EN): Northern Europe (Remarks from Volume-C: Nautical warnings NCC HAMBURG (IN GERMAN))
The ISSX81 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISS): Synoptic observations from marine stations A2 (X): Global Area (area not definable) (Remarks from Volume-C: SHIP)
The ISSX22 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISS): One-hour observations from automatic marine stations A2 (X): Global Area (area not definable) (Remarks from Volume-C: SHIP)
The FQEN63 TTAAii Data Designators decode as: T1 (F): Forecast T1T2 (FQ): Other shipping A1A2 (EN): Northern Europe (Remarks from Volume-C: Nautical warnings NCC HAMBURG (IN GERMAN))
The ISAD30 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISA): N-minute observations from automatic (fixed or mobile) land stations A2 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NilReason)
The ISSG02 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISS): Synoptic observations from marine stations A2 (G): 180° - 90°E tropical belt (Remarks from Volume-C: SHIP,VOS 3rd party data)
The WWDL39 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WW): Warnings and weather summary A1A2 (DL): Germany (Remarks from Volume-C: NilReason)
The ISSG01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISS): Synoptic observations from marine stations A2 (G): 180° - 90°E tropical belt (Remarks from Volume-C: SHIP)
The ISGD82 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level A2 (D): 90°E - 0° northern hemisphere