| Start Date | Start Time | End Date | End Time | Data Quality Metric |
|---|---|---|---|---|
| 01/10/2003 | 1725 | 05/10/2004 | 1815 | Does not affect quality |
| Subject: | SGP/CEIL/B4 - Detection optics degrading |
| DataStreams: | sgpceilB4.b1 |
| Description: | Backscatter plots exhibited horizontal striping due to electronic ringing of either the detector or the associated amplification electronics. The instrument was changed out on May 10. The ceilometer continued to correctly detected clouds during this period, though users should be aware of the degraded performance. |
| Suggestions: | |
| Measurements: | sgpceilB4.b1: more
|