| Octet No. |
Contents |
10
|
Parameter category (see Code
table 4.1)
|
11
|
Parameter number (see Code table
4.2)
|
12-13
|
Atmospheric chemical constituent type (see
Code table 4.230)
|
14
|
Source or sink (see
Code table 4.238)
|
15
|
Type of generating process
(see Code Code Table 4.3)
|
16
|
Background generating process identifier
(defined by originating centre)
|
17
|
Analysis or forecast generating process identifier
(defined by originating centre)
|
18-19
|
Hours of observational data
cutoff after reference time (see Note)
|
20
|
Minutes of observational data
cutoff after reference time
|
21
|
Indicator of unit of time range
(see Code table 4.4)
|
22-25
|
Forecast time in units defined
by octet 21
|
26
|
Type of first fixed surface (see
Code table 4.5)
|
27
|
Scale factor of first fixed
surface |
28-31
|
Scaled value of first fixed
surface
|
32
|
Type of second fixed surfaced
(see Code table 4.5)
|
33
|
Scale factor of second fixed
surface
|
34-37
|
Scaled value of second fixed
surfaces
|