KSEC1 element | Contents | GRIB octet | Recommended GRIB_API keys | Coded GRIB_API keys | Comments
--- | --- | --- | --- | --- | ---
37 |
    ECMWF local GRIB use definition identifier.
    11 = Supplementary data used by the analysis.
| 41 | localDefinitionNumber | localDefinitionNumber |
38 | Class | 42 | class | marsClass |
39 | Type | 43 | type | marsType |
40 | Stream | 44-45 | stream | marsStream |
41 |
    Version number or experiment identifier.
    (4 ASCII characters, right justified)
| 46-49 | expver | experimentVersionNumber |
- | Details of the analysis which used the supplementary data | - |  |  |
42 | Class of analysis | 50 | classOfAnalysis | classOfAnalysis |
43 | Type of analysis | 51 | typeOfAnalysis | typeOfAnalysis |
44 | Stream of analysis | 52-53 | streamOfAnalysis | streamOfAnalysis |
45 | Version number or experiment identifier of analysis. (4 ASCII characters, right justified) | 54-57 | experimentVersionNumberOfAnalysis | experimentVersionNumberOfAnalysis |
46 | Year of analysis (YY) | 58 | yearOfAnalysis | yearOfAnalysis |
47 | Month of analysis (MM) | 59 | monthOfAnalysis | monthOfAnalysis |
48 | Day of analysis (DD) | 60 | dayOfAnalysis | dayOfAnalysis |
49 | Hour of analysis (HH) | 61 | hourOfAnalysis | hourOfAnalysis |
50 | Minute of analysis (MM) | 62 | minuteOfAnalysis | minuteOfAnalysis |
51 | Century of analysis | 63 | centuryOfAnalysis | centuryOfAnalysis |
52 | Originating centre of analysis | 64 | originatingCentreOfAnalysis | originatingCentreOfAnalysis |
53 | Sub-centre of analysis | 65 | subcentreOfAnalysis | subcentreOfAnalysis |
- | Spare (set to zero) | 66-72 |  |  |