| This section serves to identify the start of the record in a human readable form, indicate the total length of the message, and indicate the Edition number of GRIB used to construct or encode the message. For GRIB2, this section is always 16 octets long. |
| Octet Number | Content |
|---|---|
|
|
'GRIB' (Coded according to the International Alphabet Number
5) |
| 5-6 |
Reserved |
| 7 |
Discipline (From Table 0.0) |
|
|
Edition number - 2 for GRIB2 |
|
|
Total length of GRIB message in octets (All sections); |