BUFR edition 3 and 4 messages have a different header structure.
| Tabs Container |
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| Tabs Page |
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| Name| Key | Description |
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| totalLength | Total length of the message in bytes | | editionNumber | BUFR edition number (=3) |
Name| Key | Description |
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| 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| BUFR Table A, see the latest version here.) | | dataSubCategory | Data sub-category (defined by local automatic data processing (ADP) centres) | | masterTablesVersionNumber | Version number of master table used | | localTablesVersionNumber | Version number of local table used | | typicalYearOfCentury | Year ( |
yyyy| yy) | | typicalMonth | Month | | typicalDay | Day | | typicalHour | Hour | | typicalMinute | Minute |
| Description |
|---|
| section3Length | Length of section 3 in bytes | | numberOfSubsets | Number of data subsets | | section3Flags | Bit 1: - 0: Other data
- 1: Observed data
Bit 2: - 0: Non compressed data
- 1: Compressed data
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| Tabs Page |
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| Name| Key | Description |
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| totalLength | Total length of the message in bytes | | editionNumber | BUFR edition number (=4) |
Name| Key | Description |
|---|
| section1Length | Length of section 1 in bytes | | masterTableNumber | BUFR master table | | bufrHeaderCentre | Originating centre | | bufrHeaderSubCentre | Originating sub-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| BUFR Table A, see the latest version here.) | | internationalDataSubCategory | International data sub-category (Common Code Table C-13, see the latest version here.) | | dataSubCategory | Local data sub-category | | masterTablesVersionNumber | Version number of master table used | | localTablesVersionNumber | Version number of local table used |
typicalYearOfCenturyYear (yyyy) | | typicalMonth | Month | | typicalDay | Day | | typicalHour | Hour | | typicalMinute | Minute | | typicalSecond | Second |
| Description |
|---|
| section3Length | Length of section 3 in bytes | | numberOfSubsets | Number of data subsets | | section3Flags | Bit 1: - 0: Other data
- 1: Observed data
Bit 2: - 0: Non compressed data
- 1: Compressed data
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