0 0 PARENT SITE
1 1 OBSERVATION SITE
2 2 BALLOON MANUFACTURE DATE
3 3 BALLOON LAUNCH POINT
4 4 SURFACE OBSERVATION
5 5 SURFACE OBSERVATION DISPLACEMENT FROM LAUNCH POINT
6 6 FLIGHT LEVEL OBSERVATION
7 7 FLIGHT LEVEL TERMINATION POINT
8 8 IFR CEILING AND VISIBILITY
9 9 MOUNTAIN OBSCURATION
10 10 STRONG SURFACE WIND
11 11 FREEZING LEVEL
12 12 MULTIPLE FREEZING LEVEL
13 13 INSTRUMENT MANUFACTURE DATE
31 31 MISSING VALUE
