DQR ID | Subject | Data Streams Affected |
---|---|---|
D040813.1 | SGP/TWR/C1 - Southeast Side (10X datastream) Data Incorrect | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
D040830.3 | SGP/TWR/C1 - 25 m SW Temperature Incorrect | sgp1twr25mC1.b1, sgp30twr25mC1.b1 |
D040830.4 | SGP/TWR/C1 - Tower SE Side T/RH/VP Incorrect During Maintenance | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
D040830.5 | SGP/TWR/C1 - Tower SW Side T/RH/VP Incorrect During Maintenance | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
D041006.1 | SGP/TWR/C1 - Southeast 25 and 60 m T/RH/VP Incorrect | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
D041006.2 | SGP/TWR/C1 - West 25 and 60 m T/RH/VP Incorrect | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1 |
D041018.1 | SGP/TWR/C1 - West Side T/RH/VP Incorrect During LICOR 7500 Calibrations | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
D041123.1 | SGP/THWAPS/C1 - RH Sensor Calibration | sgpthwapsC1.b1 |
D041221.1 | SGP/TWR/C1 - West Side Carriages Lowered - Data Incorrect | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
D050812.12 | SGP/THWAPS/C1 - Minor bias in saturation vapor pressure | sgpthwapsC1.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
07/21/2004 | 1527 | 07/21/2004 | 1613 |
Subject: | SGP/TWR/C1 - Southeast Side (10X datastream) Data Incorrect |
DataStreams: | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
Description: | The data from the southeast side of the tower (10X datastream) was incorrect for a short period. |
Measurements: | sgp1twr10xC1.b1:
sgp30twr10xC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
08/05/2004 | 1526 | 09/16/2004 | 1615 |
Subject: | SGP/TWR/C1 - 25 m SW Temperature Incorrect |
DataStreams: | sgp1twr25mC1.b1, sgp30twr25mC1.b1 |
Description: | Wires were touching the fan inside the aspirator of the 25 m SW (B side) level. This occurred during maintenance to instruments on the SW side on 8/05/04; vibration of the carriage probably jostled the wires loose. The temperature and relative humidity sensors were not adequately ventilated and therefore produced incorrect measurements of temperature, relative humidity, and vapor pressure. |
Measurements: | sgp1twr25mC1.b1:
sgp30twr25mC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
08/05/2004 | 1412 | 08/05/2004 | 1451 |
Subject: | SGP/TWR/C1 - Tower SE Side T/RH/VP Incorrect During Maintenance |
DataStreams: | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
Description: | The SE side elevator was lowered for maintenance on other instruments. T/RH/VP data are incorrect during this period. |
Measurements: | sgp1twr10xC1.b1:
sgp30twr10xC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
08/05/2004 | 1451 | 08/05/2004 | 1525 |
Subject: | SGP/TWR/C1 - Tower SW Side T/RH/VP Incorrect During Maintenance |
DataStreams: | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
Description: | The SW side T/RH/VP were incorrect during the period when the carriages were lowered for maintenance on other instruments. |
Measurements: | sgp1twr60mC1.b1:
sgp1twr25mC1.b1:
sgp30twr25mC1.b1:
sgp1440twr60mC1.b1:
sgp1440twr25mC1.b1:
sgp30twr60mC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/27/2004 | 1438 | 09/27/2004 | 2056 |
Subject: | SGP/TWR/C1 - Southeast 25 and 60 m T/RH/VP Incorrect |
DataStreams: | sgp1twr10xC1.b1, sgp30twr10xC1.b1 |
Description: | The SE carriages were down for annual T/RH checks/replacements. |
Measurements: | sgp1twr10xC1.b1:
sgp30twr10xC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/27/2004 | 1432 | 09/27/2004 | 2105 |
Subject: | SGP/TWR/C1 - West 25 and 60 m T/RH/VP Incorrect |
DataStreams: | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1 |
Description: | The West carriages were down for annual T/RH checks/replacements. |
Measurements: | sgp1twr60mC1.b1:
sgp1twr25mC1.b1:
sgp30twr25mC1.b1:
sgp30twr60mC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/12/2004 | 1417 | 10/13/2004 | 1700 |
Subject: | SGP/TWR/C1 - West Side T/RH/VP Incorrect During LICOR 7500 Calibrations |
DataStreams: | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
Description: | The west side elevator was lowered for calibration of the eddy correlation LICOR 7500 sensors. |
Measurements: | sgp1twr60mC1.b1:
sgp1twr25mC1.b1:
sgp30twr25mC1.b1:
sgp1440twr60mC1.b1:
sgp1440twr25mC1.b1:
sgp30twr60mC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/16/2004 | 2135 | 11/29/2004 | 1930 |
Subject: | SGP/THWAPS/C1 - RH Sensor Calibration |
DataStreams: | sgpthwapsC1.b1 |
Description: | The analog output for the T/RH probe was incorrectly calibrated. This caused excessively high readings of RH. |
Measurements: | sgpthwapsC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/20/2004 | 1755 | 10/20/2004 | 1925 |
Subject: | SGP/TWR/C1 - West Side Carriages Lowered - Data Incorrect |
DataStreams: | sgp1twr25mC1.b1, sgp1twr60mC1.b1, sgp30twr25mC1.b1, sgp30twr60mC1.b1, sgp1440twr25mC1.b1, sgp1440twr60mC1.b1 |
Description: | The west side carriages were lowered for maintenance on instruments. |
Measurements: | sgp1twr60mC1.b1:
sgp1twr25mC1.b1:
sgp30twr25mC1.b1:
sgp1440twr60mC1.b1:
sgp1440twr25mC1.b1:
sgp30twr60mC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/21/1999 | 0000 | 08/10/2005 | 1445 |
Subject: | SGP/THWAPS/C1 - Minor bias in saturation vapor pressure |
DataStreams: | sgpthwapsC1.b1 |
Description: | The saturation vapor correction when temps are below 0C contained an error in the multiplier. The incorrect multiplier only equates to an error of 0.01 kPa which is less than the stated uncertainty of the measurement (+/- 0.035 kPa). |
Measurements: | sgpthwapsC1.b1:
|