The SMAA01 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SM): Main synoptic hour A1A2 (AA): Antarctic(The bulletin collects reports from stations: 89002;GEORG VON NEUMAYER;89011;89047;)
The SNAA21 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SN): Non-standard synoptic hour A1A2 (AA): Antarctic(The bulletin collects reports from stations: 89011;89047;)
The ISNI01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISN): Synoptic observations from fixed land stations at non-standard time (i.e. 01, 02, 04, 05, ... UTC) A2 (I): 0° - 90°W southern hemisphere(The bulletin collects reports from stations: 89011;89047;) (Remarks from Volume-C: SYNOP)
The SIAA21 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (AA): Antarctic(The bulletin collects reports from stations: 89002;GEORG VON NEUMAYER;89011;89047;)
The ISMI01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISM): Main synoptic observations from fixed land stations A2 (I): 0° - 90°W southern hemisphere(The bulletin collects reports from stations: 89002;GEORG VON NEUMAYER;89011;89047;) (Remarks from Volume-C: SYNOP)
The ISII01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISI): Intermediate synoptic observations from fixed land stations A2 (I): 0° - 90°W southern hemisphere(The bulletin collects reports from stations: 89002;GEORG VON NEUMAYER;89011;89047;) (Remarks from Volume-C: SYNOP)