Data Quality Reports for Session: 110622 User: milo Completed: 02/22/2008


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060928.3SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrysgpsondewnpnC1.b1
D080116.24SGP/THWAPS/C1 - RH Data IncorrectsgpthwapsC1.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:
  • Surface dew point temperature(dp)
  • Dry bulb temperature(tdry)
  • Relative humidity inside the instrument enclosure(rh)
  • Retrieved pressure profile(pres)
  • Dummy altitude for Zeb(alt)


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DQRID : D080116.24
Start DateStart TimeEnd DateEnd Time
12/22/2007175012/22/20072130
Subject:
SGP/THWAPS/C1 - RH Data Incorrect
DataStreams:sgpthwapsC1.b1
Description:
The RH data was incorrect during the times listed.  Reason unknown.  The sensor recovered 
on its own.
Measurements:sgpthwapsC1.b1:
  • Relative humidity inside the instrument enclosure(rh)
  • Standard Deviation of Vapor Pressure(sd_vap_pres)
  • Standard Deviation of Relative Humidity(sd_rh)
  • Vapor Pressure (kiloPascals)(vap_pres)


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