| Start Date | Start Time | End Date | End Time | Data Quality Metric |
|---|---|---|---|---|
| 09/21/1997 | 0530 | 09/21/1997 | 0530 | Suspect |
| Subject: | Pressure jump at launch |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The difference between the first pressure value recorded by the radiosonde after launch (984.5) that the surface value entered by the operator (989.3) is somewhat larger than would normally be expected. This will result in incorrect altitude values throughout the sounding. The ascent rates during the first 30 seconds also will be incorrect. |
| Suggestions: | |
| Measurements: | sgpsondewrpnC1.a1: more
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