Data Quality Reports for Session: 154486 User: fischmanb1 Completed: 11/15/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060928.3SGP/SONDE/C1 - Increased precision for alt, dp, pres, rh, tdrysgpsondewnpnC1.b1
D130813.1SGP/KAZR/C1 - COPOL and XPOL channels switchedsgpkazrgeC1.a1, sgpkazrmdC1.a1, sgpkazrspeccmaskgecopolC1.a0, sgpkazrspeccmaskgexpolC1.a0


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 : D130813.1
Start DateStart TimeEnd DateEnd Time
07/11/2013000008/13/20131547
Subject:
SGP/KAZR/C1 - COPOL and XPOL channels switched
DataStreams:sgpkazrgeC1.a1, sgpkazrmdC1.a1, sgpkazrspeccmaskgecopolC1.a0, sgpkazrspeccmaskgexpolC1.a0
Description:
The copol and xpol channels became flipped causing xpol values to be greater than copol 
values.
Measurements:sgpkazrgeC1.a1:
  • mean_doppler_velocity_xpol
  • Spectral width, copolar(spectral_width_copol)
  • sky_noise_copol
  • spectral_width_xpol
  • signal_to_noise_ratio_xpol
  • signal_to_noise_ratio_copol
  • Reflectivity, copolar(reflectivity_copol)
  • reflectivity_xpol
  • Mean doppler velocity, copolar(mean_doppler_velocity_copol)
  • sky_noise_xpol
sgpkazrspeccmaskgexpolC1.a0:
  • Spectrum of raw counts from spectrometer(spectra)
  • signal_to_noise_ratio
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
  • Daily values of reflectivity on each grid cell(reflectivity)
  • Spectral Width(spectral_width)
sgpkazrspeccmaskgecopolC1.a0:
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
  • Spectral Width(spectral_width)
  • Spectrum of raw counts from spectrometer(spectra)
  • signal_to_noise_ratio
  • Daily values of reflectivity on each grid cell(reflectivity)
sgpkazrmdC1.a1:
  • signal_to_noise_ratio_copol
  • cold_noise_xpol
  • hot_noise_copol
  • reflectivity_xpol
  • mean_doppler_velocity_xpol
  • Reflectivity, copolar(reflectivity_copol)
  • Mean doppler velocity, copolar(mean_doppler_velocity_copol)
  • signal_to_noise_ratio_xpol
  • sky_noise_copol
  • hot_noise_xpol
  • Spectral width, copolar(spectral_width_copol)
  • cal_constant_xpol
  • cal_constant_copol
  • spectral_width_xpol
  • cold_noise_copol
  • sky_noise_xpol

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