Data Quality Reports for Session: 119212 User: mcadeddu Completed: 04/29/2009

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060928.4NSA/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrynsasondewnpnC1.b1
D071214.1NSA/GVR/C1 - Incorrect ambient temperature readingsnsagvrC1.a0, nsagvrC1.b1


DQRID : D060928.4
Start DateStart TimeEnd DateEnd Time
09/29/2006050012/31/99992359
Subject:
NSA/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdry
DataStreams:nsasondewnpnC1.b1
Description:
The output precision of the following variables was increased 20060929:

   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:nsasondewnpnC1.b1:
  • Relative humidity inside the instrument enclosure(rh)
  • Dry bulb temperature(tdry)
  • Dummy altitude for Zeb(alt)
  • Retrieved pressure profile(pres)
  • Surface dew point temperature(dp)

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DQRID : D071214.1
Start DateStart TimeEnd DateEnd Time
09/03/2007200005/22/20082200
Subject:
NSA/GVR/C1 - Incorrect ambient temperature readings
DataStreams:nsagvrC1.a0, nsagvrC1.b1
Description:
The ambient temperature readings are incorrect. The temperature sensor was replaced on 
5/13, however the temperature readings were incorrect until 5/22 due to problems with 
corrosion in the cables
Measurements:nsagvrC1.b1:
  • Temperature of external sensor(temp_ext)
nsagvrC1.a0:
  • Temperature of external sensor(temp_ext)

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