GTS Bulletin: ISID86 AMDN - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISID86 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 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NATIONAL AUTOMATIC SYNOP)ISID86 TTAAii 数据标识符解码规则如下： T1(I)：二进制编码观测数据（BUFR格式）； T1T2(IS)：地面/海平面观测数据； T1T2A1(ISI)：固定陆地台站的中间天气观测数据； A2(D)：东经90°至0°北半球区域（备注来自C卷：《国家自动气象观测》）