<><> GRIB2 - GRID TEMPLATE 4.20
<><> Radar product
<><> Created 09/01/2005
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Octet | Contents
--- | ---
10 | Parameter category (see Code Table 4.1)
11 | Parameter number (see Code Table 4.2)
12 | Type of generating process (see Code Table 4.3)
13 | Number of radar sites used
14 | Indicator of unit time range
15-18 | Site latitude (in 10-6 degree)
19-22 | Site longitude (in 10-6 degree)
23-24 | Site elevation (metres)
25-28 | Site ID (alphanumeric)
29-30 | Site ID (numeric)
31 | Operating mode (see Code Table 4.12)
32 | Reflectivity calibration constant (tenths of dB)
33 | Quality control indicator (see Code Table 4.13)
34 | Clutter filter indicator (see Code Table 4.14)
35 | Constant antenna elevation angle (tenths of degree true)
36-37 | Accumulation interval (minutes)
38 | Reference reflectivity for echo top (dB)
39-41 | Range bin spacing (metres)
42-43 | Radial angular spacing (tenths of degree true)

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