Data Quality Reports for Session: 154779 User: jhelmus Completed: 11/25/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D121207.2NSA/XSAPR/C1 - Data undersamplednsaxsaprhsrhiC1.00
D131018.5NSA/XSAPR/C1 - Transmitter DownnsaxsaprhsrhiC1.00, nsaxsaprppiC1.00, nsaxsaprvptC1.00


DQRID : D121207.2
Start DateStart TimeEnd DateEnd Time
06/24/2011000012/06/20122359
Subject:
NSA/XSAPR/C1 - Data undersampled
DataStreams:nsaxsaprhsrhiC1.00
Description:
The implementation in IRIS caused it to take only 32 samples for HSRHI scan types.

Instrument operation has now been changed to take 80 samples for an elevation sampling of 
0.25 deg. This is oversampling by 4. The rational is that cloud and precipitation 
vertical structure are well captured with oversampling with RHIs.
Measurements:nsaxsaprhsrhiC1.00:
  • Attenuation corrected reflectivity(reflectivity_corr)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Daily values of reflectivity on each grid cell(reflectivity)
  • Unfiltered reflectivity(reflectivity_unf)
  • Signal quality index(sig_qual_index)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
  • Attenuation corrected differential reflectivity(diff_reflectivity_corr)
  • Differential propagation phase shift, clutter filtered(dp_phase_shift)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Specific differential phase, clutter filtered(diff_phase)

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DQRID : D131018.5
Start DateStart TimeEnd DateEnd Time
09/21/2013223309/26/20130500
10/14/2013195610/15/20131504
Subject:
NSA/XSAPR/C1 - Transmitter Down
DataStreams:nsaxsaprhsrhiC1.00, nsaxsaprppiC1.00, nsaxsaprvptC1.00
Description:
The transmitter was off, but the instrument was still collecting data.  Data are just 
noise.
Measurements:nsaxsaprhsrhiC1.00:
  • Differential propagation phase shift, clutter filtered(dp_phase_shift)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
  • Attenuation corrected differential reflectivity(diff_reflectivity_corr)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Daily values of reflectivity on each grid cell(reflectivity)
  • Signal quality index(sig_qual_index)
  • Specific differential phase, clutter filtered(diff_phase)
  • Attenuation corrected reflectivity(reflectivity_corr)
  • Unfiltered reflectivity(reflectivity_unf)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
nsaxsaprppiC1.00:
  • Signal quality index(sig_qual_index)
  • Attenuation corrected reflectivity(reflectivity_corr)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Unfiltered reflectivity(reflectivity_unf)
  • Daily values of reflectivity on each grid cell(reflectivity)
  • Specific differential phase, clutter filtered(diff_phase)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Differential propagation phase shift, clutter filtered(dp_phase_shift)
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)
  • Attenuation corrected differential reflectivity(diff_reflectivity_corr)
nsaxsaprvptC1.00:
  • Differential propagation phase shift, clutter filtered(dp_phase_shift)
  • Unfiltered reflectivity(reflectivity_unf)
  • Signal quality index(sig_qual_index)
  • Daily values of reflectivity on each grid cell(reflectivity)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Attenuation corrected reflectivity(reflectivity_corr)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Specific differential phase, clutter filtered(diff_phase)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Attenuation corrected differential reflectivity(diff_reflectivity_corr)
  • Mean Doppler velocity, clutter filtered(mean_doppler_velocity)

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