Section 5 - Template 200 : Grid point data - Run length packing with level values

Octets Key Type Content
12 Number of bits used for each packed value in the run length packing with level values
13-14 MV - Maximum value within the levels that are used in the packing
15-16 MVL - Maximum value of level (Predefined)
17 Decimal scale factor of representative value of each level
18-19+2*(lv-1) List of MVL scaled representative values of each level from lv=1 to MVL