1 1 NON-NOMINAL QUALITY
2 2 OFFLINE PRODUCT
3 3 ASCENDING OCCULTATION FLAG
4 4 EXCESS PHASE PROCESSING NON-NOMINAL
5 5 BENDING ANGLE PROCESSING NON-NOMINAL
6 6 REFRACTIVITY PROCESSING NON-NOMINAL
7 7 METEOROLOGICAL PROCESSING NON-NOMINAL
8 8 OPEN LOOP DATA INCLUDED
9 9 SURFACE REFLECTIONS DETECTED
10 10 L2C GNSS SIGNALS USED
14 14 BACKGROUND PROFILE NON-NOMINAL
15 15 BACKGROUND (I.E. NOT RETRIEVED) PROFILE PRESENT
