Data Quality Reports for Session: 135277 User: chiuj Completed: 06/02/2011

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D100511.1GRW/TSI/M1 - Contamination of mirrorgrwtsimovieM1.a1, grwtsicldmaskM1.a1, grwtsiskycoverM1.b1, grwtsiskyimageM1.a1
D101217.2GRW/TSI/M1 - Reprocess: Incorrect time in filenamesgrwtsimovieM1.a1, grwtsicldmaskM1.a1, grwtsiskycoverM1.b1, grwtsiskyimageM1.a1


DQRID : D100511.1
Start DateStart TimeEnd DateEnd Time
02/09/2010184302/12/20101604
Subject:
GRW/TSI/M1 - Contamination of mirror
DataStreams:grwtsimovieM1.a1, grwtsicldmaskM1.a1, grwtsiskycoverM1.b1, grwtsiskyimageM1.a1
Description:
A persistent, agile bird was landing on top of and polluting the mirror, multiple times 
throughout the day, affecting the visible and processed images and cloud fraction data.
Measurements:grwtsimovieM1.a1:
  • MPEG data stream - documentation not yet available
grwtsicldmaskM1.a1:
  • Cloud decision images, Total Sky Imager, PNG format(png)
grwtsiskycoverM1.b1:
  • count_sky
  • Cloud amount, thin (percent)(percent_thin)
  • sun_strength
  • count_thin
  • count_opaque
  • region_zenith_count_thin
  • region_zenith_count
  • region_zenith_count_opaque
  • Cloud amount, opaque (percent)(percent_opaque)
grwtsiskyimageM1.a1:
  • JPEG data stream - documentation not yet available

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DQRID : D101217.2
Start DateStart TimeEnd DateEnd Time
10/31/2010020012/14/20101859
Subject:
GRW/TSI/M1 - Reprocess: Incorrect time in filenames
DataStreams:grwtsimovieM1.a1, grwtsicldmaskM1.a1, grwtsiskycoverM1.b1, grwtsiskyimageM1.a1
Description:
The Windows time zone on the TSI computer was changed on 8/27 from the standard "(GMT) 
Casablanca" to "(GMT-01:00) Azores" with "daylight saving changes" selected so the time 
became GMT+00:00 because DST was in effect. Then on 10/31 (because it was still using the 
pre-2007 DST dates) the time automatically changed to GMT-01:00 because DST ended. So, the 
time used to name the raw image and properties files and to annotate the individual images 
in the daily movie was 1 hour less than GMT.

This situation was discovered on 12/14 and the time zone was returned to "(GMT) 
Casablanca". 

The name of the raw JPG, PNG, properties, and _tsi.properties can be renamed with the 
correct time and the MPG file can be reprocessed to correct the time annotation.
Measurements:grwtsimovieM1.a1:
  • MPEG data stream - documentation not yet available
grwtsicldmaskM1.a1:
  • Cloud decision images, Total Sky Imager, PNG format(png)
grwtsiskycoverM1.b1:
  • time
grwtsiskyimageM1.a1:
  • JPEG data stream - documentation not yet available

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