GTS Bulletin: ISND78 AMDW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISND78 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 (D): 90°E - 0° northern hemisphere (Remarks from Volume-C: NATIONAL AUTOMATIC SYNOP)ISND78 TTAAii 数据标识符的解码规则如下：T1（I）：二进制编码观测数据——BUFR格式；T1T2（IS）：地面/海平面观测；T1T2A1（ISN）：非标准时次（即世界协调时01、02、04、05……点）固定陆地台站的天气学观测；A2（D）：东经90°至0°的北半球区域（备注源自C卷：全国自动天气观测报告）