| Name | Description |
|---|
| section1Length | Length of section 1 in bytes |
| masterTableNumber | BUFR master table |
| bufrHeaderSubCentre | Originating sub-centre |
| bufrHeaderCentre | Originating centre |
| updateSequenceNumber | Update sequence number (0 for original messages, incremented by 1 for updates) |
| section1Flags | Bit 1: - 0 : no optional section present
- 1 : optional section present
|
| dataCategory | Data category (table A) |
| dataSubCategory | Data sub-category |
| masterTablesVersionNumber | Version number of master table used |
| localTablesVersionNumber | Version number of local table used |
| typicalYearOfCentury | Year (yyyy) |
| typicalMonth | Month |
| typicalDay | Day |
| typicalHour | Hour |
| typicalMinute | Minute |