0 0 PRESSURE INSTRUMENT ASSOCIATED WITH WIND-MEASURING EQUIPMENT
1 1 OPTICAL THEODOLITE
2 2 RADIO THEODOLITE
3 3 RADAR
4 4 VLF-OMEGA
5 5 LORAN C
6 6 WIND PROFILER
7 7 SATELLITE NAVIGATION
8 8 RADIO-ACOUSTIC SOUNDING SYSTEM (RASS)
9 9 SODAR
14 14 PRESSURE INSTRUMENT ASSOCIATED WITH WIND MEASUREMENT EQUIPME    NT BUT PRESSURE ELEMENT FAILED DURING ASCENT
15 15 MISSING VALUE
