Data Quality Reports for Session: 148839 User: ql_data Completed: 03/18/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060928.3SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrysgpsondewnpnC1.b1
D130108.5SGP/SIRS/E34 - Tracker failuresgpsirs20sE34.a0, sgpsirsE34.b1


DQRID : D060928.3
Start DateStart TimeEnd DateEnd Time
09/28/2006172812/31/99992359
Subject:
SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdry
DataStreams:sgpsondewnpnC1.b1
Description:
The output precision of the following variables was increased 20060928

alt  changed from 1m to 0.1m
dp   changed from 0.1degC to 0.01degC
pres changed from 0.1 hPa to 0.01 hPa
RH   changed from 1%RH to 0.01%RH
tdry changed from .1degC to 0.01degC

Note that the increase in precision does not necessarily imply an increase in accuracy.  
Users are cautioned to continue to use their best scientific judgement when using these or 
any other data.
Measurements:sgpsondewnpnC1.b1:
  • alt
  • Dry Bulb Temperature(tdry)
  • Dewpoint Temperature(dp)
  • Humidity, relative(rh)
  • Pressure, atmospheric, constant value of model level, RUC model output(pres)

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DQRID : D130108.5
Start DateStart TimeEnd DateEnd Time
12/26/2012000001/03/20131923
Subject:
SGP/SIRS/E34 - Tracker failure
DataStreams:sgpsirs20sE34.a0, sgpsirsE34.b1
Description:
The tracker at failed to wake up on 12/26/2012.  The problem persisted throughout the time 
range specified.  On 1/3/2013 the tracker was power cycled and returned to normal 
operation.  

The tracker malfunction adversely affected the data from the direct normal instrument 
(short_direct_normal). Also affected is the diffuse shaded global data (down_short_diffuse).
Measurements:sgpsirsE34.b1:
  • short_direct_normal_std
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Minima(down_short_diffuse_hemisp_min)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
  • Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
  • down_short_diffuse_hemisp_std
  • Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Maxima(down_short_diffuse_hemisp_max)
sgpsirs20sE34.a0:
  • inst_diffuse
  • inst_direct_normal

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