| marker | description |
|---|---|
| BUFR only (no TAC received in the last 7 days ) station in ECMWF / WMO Vol. A |
| BUFR only (no TAC received in the last 7 days ) station not in ECMWF / WMO Vol. A |
| TAC only (no BUFR received in the last 7 days ) |
| BUFR and TAC received in the last 7 days |
| BUFR and TAC received in the last 7 days; BUFR and TAC positions different ( > 0.1 ) |
| Silent (no reports received in the last 7 days ) |
