KSEC1 element | Contents | GRIB octet | Recommended GRIB_API keys | Coded GRIB_API keys | Comments
--- | --- | --- | --- | --- | ---
37 |
    ECMWF local GRIB use definition identifier.
    8 = ECMWF re-analysis data
| 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 |
42 | Interval between reference times (in time units) | 50 | intervalBetweenTimes | intervalBetweenTimes |
43-54 | Unsigned integers in range (0-255) | 51-62 | unsignedIntegers | unsignedIntegers |