The IUDX40 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IU): Upper air T1T2A1 (IUD): Dropsonde/Dropwindsondes A2 (X): Global Area (area not definable) (Remarks from Volume-C: Dropsonde SHIP)

The QTMK98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature A2 (K): 30 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+18 , Tx H+30 (gpv))

The QTQK98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature A2 (K): 30 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+18 , Tx H+30 (gpv))

The PPOE89 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PP): Pressure A2 (E): 24 hours forecast T1ii (P89): Any parameter reduced to sea level (eg MSLP) (Remarks from Volume-C: H+24 MSL pressure with fronts)

The QTQR98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+30 , Tx H+42 (gpv))

The QTZR98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+30 , Tx H+42 (gpv))

The QTMR98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+30 , Tx H+42 (gpv))

The QTZK98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QT): Temperature A2 (K): 30 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Tmin (gpv) H+18 , Tx H+30 (gpv))

The HHXF25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) HEIGHT 250 HPA)

The HGXX25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) DIVERGENCE 250 HPA)