| marker | description |
|---|---|
| TAC only |
| BUFR only ( HighRes + drift available for radiosonde) |
| BUFR only ( drift available for radiosonde) |
| BUFR only (no drift available for radiosonde: reformatted TEMP) |
| BUFR and TAC ( HighRes + drift available for radiosonde) |
 | BUFR and TAC ( drift available for radiosonde) |
| BUFR and TAC (no drift available for radiosonde: reformatted TEMP) |
| marker | description |
|---|---|
| BUFR and TAC positions different ( > 0.1 degree) |
| WMO id not in Vol A Catalogue |
| Silent (no TAC/BUFR report received in the last 7 days ) |
