41 |
localDefinitionNumber |
unsigned |
ECMWF local GRIB use definition identifier.
191 = Free format data descriptor |
42 |
class |
codetable |
Class = 121 (general member state data) |
43 |
type |
codetable |
Type |
44-45 |
stream |
codetable |
Stream |
46-49 |
experimentVersionNumber |
ksec1expver |
Version number or experiment identifier.
(4 ASCII characters, right justified) |
50 |
|
|
Zero, for compatibility with Mars labelling |
51 |
|
|
Zero, for compatibility with Mars labelling |
52 |
formatVersionMajorNumber |
unsigned |
Format version major number |
53 |
formatVersionMinorNumber |
unsigned |
Format version minor number |
54 |
originalSubCentreIdentifier |
unsigned |
Original sub-centre identifier |
55-58 |
|
|
Set to zero |
59-60 |
numberOfBytesOfFreeFormatData |
unsigned |
Number of bytes of free format data descriptor (N, say) |
61-(60+N) |
freeFormData |
unsigned |
Data descriptor bytes packed in integer array elements
(J= the number of bytes in an integer = 4 or 8)
|
(61+N)-(60+80*M) |
|
|
The section is padded with zeroes to make the overall length of
the section = 60 + 80*M for some M > 0 |