Data Quality Reports for Session: 151918 User: perez Completed: 08/01/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D111216.1GAN/TSI/M1 - Missing datagantsicldmaskM1.a1, gantsimovieM1.a1, gantsiskycoverM1.b1, gantsiskyimageM1.a1
D121217.11GAN/TSI/M1 - Water on lensgantsiskycoverM1.b1
D130718.12GAN/TSI/M1 - Data processing problemgantsiskycoverM1.b1


DQRID : D111216.1
Start DateStart TimeEnd DateEnd Time
11/12/2011041211/22/20110052
Subject:
GAN/TSI/M1 - Missing data
DataStreams:gantsicldmaskM1.a1, gantsimovieM1.a1, gantsiskycoverM1.b1, gantsiskyimageM1.a1
Description:
Data are missing and unrecoverable.
Measurements:gantsimovieM1.a1:
  • MPEG data stream - documentation not yet available
gantsiskyimageM1.a1:
  • JPEG data stream - documentation not yet available
gantsicldmaskM1.a1:
  • Cloud decision images, Total Sky Imager, PNG format(png)
gantsiskycoverM1.b1:
  • base_time
  • solar_altitude
  • lon
  • lat
  • Sunshine Meter(sunny)
  • count_sub_proczen
  • count_box
  • Cloud amount, thin (percent)(percent_thin)
  • time
  • count_sub_horz
  • region_sun_count
  • time_offset
  • count_mask
  • region_zenith_count_thin
  • region_sun_count_opaque
  • Cloud amount, opaque (percent)(percent_opaque)
  • region_horizon_count_opaque
  • region_horizon_count
  • solar_azimuth
  • count_opaque
  • alt
  • region_horizon_count_thin
  • region_sun_count_thin
  • region_zenith_count_opaque
  • region_zenith_count
  • count_sky
  • sun_strength
  • count_unknown
  • count_thin

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DQRID : D121217.11
Start DateStart TimeEnd DateEnd Time
09/25/2011000002/09/20122359
Subject:
GAN/TSI/M1 - Water on lens
DataStreams:gantsiskycoverM1.b1
Description:
After a rain episode, drops of water collected on the lens window causing the cloud 
fraction values to be suspect.

To prevent this, a drip edge was formed around the bottom of the enclosure with thick 
electrical or splicing tape.
Measurements:gantsiskycoverM1.b1:
  • Cloud amount, opaque (percent)(percent_opaque)
  • region_zenith_count_opaque
  • Cloud amount, thin (percent)(percent_thin)
  • count_opaque
  • count_thin
  • region_zenith_count
  • count_sky
  • region_zenith_count_thin

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DQRID : D130718.12
Start DateStart TimeEnd DateEnd Time
09/25/2011000002/09/20122359
Subject:
GAN/TSI/M1 - Data processing problem
DataStreams:gantsiskycoverM1.b1
Description:
Values of count_opaque and count_thin are reals but should be integers 
(units = pixels).
Measurements:gantsiskycoverM1.b1:
  • count_opaque
  • count_thin

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