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7.12 Quality Flags for SPD Records

The quality of the processed data in each SPD record is given in the SPD quality flag field `PxxSFLAG' where `xx' identifies the detectors as follows C1, C2, P1, P2, P3 SS, and SL. Table 7.3 gives the coding of each bit in the (8 bit) flag.


Table 7.3: Quality flags for SPD records.
Bit Description
0 nominal
1 calibration measurement saturated
2 part of plateau data affected by drift
3 all ramps on plateau rejected
4 plateau data affected by residual drift
5 zero standard deviation
6 empty
7 zero signal for plateau


next up previous contents index
Next: 8. Data Processing Level: Up: 7. Data Processing Level: Previous: 7.11 Ancillary SPD Data
ISO Handbook Volume IV (PHT), Version 2.0.1, SAI/1999-069/Dc