0 0 NO CORRECTION
1 1 CIMO SOLAR CORRECTED AND CIMO INFRARED CORRECTED
2 2 CIMO SOLAR CORRECTED AND INFRARED CORRECTED
3 3 CIMO SOLAR CORRECTED ONLY
4 4 SOLAR AND INFRARED CORRECTED AUTOMATICALLY BY RADIOSONDE SYSTEM
5 5 SOLAR CORRECTED AUTOMATICALLY BY RADIOSONDE SYSTEM
6 6 SOLAR AND INFRARED CORRECTED AS SPECIFIED BY COUNTRY
7 7 SOLAR CORRECTED AS SPECIFIED BY COUNTRY
8 8 SOLAR AND INFRARED CORRECTED AS SPECIFIED BY GRUAN
9 9 SOLAR CORRECTED AS SPECIFIED BY GRUAN
15 15 MISSING VALUE
