0 0 RESERVED
1 1 FULL WEIGHTED MIXTURE OF INDIVIDUAL QUALITY TESTS
2 2 WEIGHTED MIXTURE OF INDIVIDUAL TESTS, BUT EXCLUDING FORECAST COMPARISON
3 3 RECURSIVE FILTER FUNCTION
4 4 COMMON QUALITY INDEX (QI) WITHOUT FORECAST
5 5 QI WITHOUT FORECAST
6 6 QI WITH FORECAST
7 7 ESTIMATED ERROR IN M/S CONVERTED TO A PERCENT CONFIDENCE
255 255 MISSING VALUE
