Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
02/09/2005 | 2300 | 02/10/2005 | 2300 | Does not affect quality |
Subject: | NSA/AERI/C1 - Blower Motor Failure -Channel 1 data effect |
DataStreams: | nsaaerirawC1.00, nsaaeriengineerC1.b1, nsaaerisummaryC1.b1, nsaaerilblcloudsC1.c1, nsaaeriC1.00 |
Description: | The blower motor failed on February 9, estimated time 23:00 GMT. The problem was repaired on February 10, 23:00 GMT. The blower motor serves two functions. It maintains the instrument window enclosure at the outside temperature and blows ice crystals from the enclosure. Failure of the motor caused the enclosure temperature to increase by approximately 12K (from 255 to 267K). Previous experience in comparing arctic instruments with the blower on and off have shown that if ice crystals enter the enclosure, there is a slight increase in the 3-5 um (ch 2) spectral intensity. It is unlikely that Ch 1 is affected. However, we can not be certain that there is no problem with the data. Hence, this DQR should be considered a warning that Channel 1 data may be affected. |
Suggestions: | |
Measurements: | nsaaerirawC1.00: more
nsaaeriengineerC1.b1: more nsaaerisummaryC1.b1: more nsaaerilblcloudsC1.c1: more nsaaeriC1.00: more |