10 0 RESERVED
21 1 PRESSURE ONLY RADIOSONDE
32 2 PRESSURE ONLY RADIOSONDE PLUS TRANSPONDER
43 3 PRESSURE ONLY RADIOSONDE PLUS RADAR REFLECTOR
54 4 NO-PRESSURE RADIOSONDE PLUS TRANSPONDER
65 5 NO-PRESSURE RADIOSONDE PLUS RADAR REFLECTOR
715 15 MISSING VALUE
8