| Start Date | Start Time | End Date | End Time | Data Quality Metric |
|---|---|---|---|---|
| 05/21/2009 | 0000 | 06/16/2011 | 0000 | Incorrect |
| Subject: | SGP/AOS/C1 - Invalid flag |
| DataStreams: | sgpaosccn100C1.a1 |
| Description: | The temperature unstable flag or CCN_temp_unstable_flag(time) seems to be set to 1 even when the temperature is stable. This started after the instrument software was upgraded. To check for temperature stability use instead the CCN_dT_TEC3_TEC1_StdDev(time) variable which gives the standard deviation of the 1 second temperature differential between T3 and T1. When this variable is at or below 0.05 C then the temperature can be considered stable. |
| Suggestions: | Use CCN_dT_TEC3_TEC1_StdDev to evaluate temperature stability. |
| Measurements: | sgpaosccn100C1.a1: more
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