DQR ID | Subject | Data Streams Affected |
---|---|---|
D070510.5 | TWP/SMET/C2 - Lower windspeed sensor questionable | twpsmet60sC2.b1 |
D070520.1 | TWP/SMET/C2 - Lower Wind Sensor Direction Incorrect | twpsmet60sC2.b1 |
D071219.1 | TWP/SMET/C2 - Lower Wind Speed Data Suspect | twpsmet60sC2.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/05/2007 | 0000 | 08/19/2007 | 2135 |
Subject: | TWP/SMET/C2 - Lower windspeed sensor questionable |
DataStreams: | twpsmet60sC2.b1 |
Description: | Lower wind speed sensor had degraded bearings. This sensor was reporting as much as 0.4 m/s lower values than the upper sensors when the winds were 2 m/s or below. The sensor was replaced. |
Measurements: | twpsmet60sC2.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
05/11/2007 | 0000 | 05/22/2007 | 0047 |
Subject: | TWP/SMET/C2 - Lower Wind Sensor Direction Incorrect |
DataStreams: | twpsmet60sC2.b1 |
Description: | Wind directions between lower and upper anemometers were displaced by approximately 45 degrees from 05/10/2007 through 05/21/2007 when a new sensor was installed to replace a failing sensor. The new sensor direction data incorrect. |
Measurements: | twpsmet60sC2.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
05/22/2007 | 0048 | 08/19/2007 | 2150 |
Subject: | TWP/SMET/C2 - Lower Wind Speed Data Suspect |
DataStreams: | twpsmet60sC2.b1 |
Description: | The lower wind speed bearings appeared to be binding at speeds below 2 m/s as it did not compare well with the upper wind monitor. |
Measurements: | twpsmet60sC2.b1:
|