The SILV41 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (LV): Latvia (Remarks from Volume-C: NilReason)
The SILV21 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (LV): Latvia (Remarks from Volume-C: NilReason)
The SILV40 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (LV): Latvia (Remarks from Volume-C: NilReason)
The SIVX21 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour (Remarks from Volume-C: SHIP)
The SIVX81 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour (Remarks from Volume-C: SHIP)
The SIVX22 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour (Remarks from Volume-C: SHIP)
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 SISN01 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (SN): Sweden (Remarks from Volume-C: NilReason)
The SISN01 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (SN): Sweden (Remarks from Volume-C: NilReason)
The SISN30 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SI): Intermediate synoptic hour A1A2 (SN): Sweden (Remarks from Volume-C: NilReason)