Table A
Table B - Data Monitored by the MTN Centres
| Type of stations | Set of data | Type of data | T1T2 | T1T2A1 | Abbreviation Used |
| FIXED (LAND) STATIONS | Surface data | TAC SYNOP | SM, SI, SN | - | SY |
| BUFR surface data | ISM | IS | |||
| Upper-air data | TAC TEMP | US | - | TT | |
| TAC PILOT | UP | - | PP | ||
| BUFR upper-air data | - | IUS | IU | ||
| BUFR wind profiler | - | IUP | BP | ||
| Climate data | TAC CLIMAT | CS | - | CL | |
| BUFR CLIMAT | - | ISC | IC | ||
| MOBILE STATIONS | Marine data | TAC SHIP | SM, SI | - | SH |
| TAC TEMP SHIP | US | - | TS | ||
| TAC PILOT SHIP | UP | - | PS | ||
| TAC BUOY | SS | - | BU | ||
| TAC BATHY/TESAC/TRACKOB | SO | - | BT | ||
| Aircraft data | TAC AIREP | UA | - | AI | |
| TAC AMDAR | UD | - | AM | ||
| BUFR aircraft | - | IUA | BA |