Data Quality Reports for Session: 127645 User: mjalpo71 Completed: 05/10/2010

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D030130.3SGP/TSI/C1 - Metadata Errors in NetCDF HeadersgptsiskycoverC1.a1, sgptsiskycoverC1.b1
D031218.1SGP/TSI/C1 - Shadowband misalignedsgptsiC1.00, sgptsicldmaskC1.a1, sgptsiskycoverC1.a1, sgptsiskycoverC1.b1,
sgptsiskyimageC1.a1
D040526.1SGP/TSI/C1 - Metadata errorssgptsiskycoverC1.a1, sgptsiskycoverC1.b1
D041116.2SGP/TSI/C1 - Shadowband MisalignmentsgptsicldmaskC1.a1, sgptsiskycoverC1.b1, sgptsiskyimageC1.a1


DQRID : D030130.3
Start DateStart TimeEnd DateEnd Time
07/02/2000003501/21/20032359
Subject:
SGP/TSI/C1 - Metadata Errors in NetCDF Header
DataStreams:sgptsiskycoverC1.a1, sgptsiskycoverC1.b1
Description:
The value of "sample_int" reported in the netCDF header is
incorrect.  The correct sampling interval is 30 seconds.

The maximum values for the variable "sunny" is incorrect.  
It should be 1, not 100 as documented in the netCDF header. 
Users should disregard the "qc_sunny" flag during this
period of time and apply their own qc check if desired.

The minimum value for the variable "solar.altitude" is
incorrect. It should be -90, not 10 as documented in the
netCDF header.  Users should disregard the "qc_solar.altitude"
flag during this period of time and apply their own qc check
if desired.
Measurements:sgptsiskycoverC1.a1:
  • Time offset of tweaks from base_time(time_offset)
sgptsiskycoverC1.b1:
  • Sunshine meter(sunny)
  • Sun altitude above horizon(solar.altitude)
  • Time offset of tweaks from base_time(time_offset)

Back To Table of Contents

DQRID : D031218.1
Start DateStart TimeEnd DateEnd Time
06/25/2003184007/05/20031523
Subject:
SGP/TSI/C1 - Shadowband misaligned
DataStreams:sgptsiC1.00, sgptsicldmaskC1.a1, sgptsiskycoverC1.a1, sgptsiskycoverC1.b1,
sgptsiskyimageC1.a1
Description:
The shadowband and mask were initially misaligned after the re-installation of the TSI.
Measurements:sgptsicldmaskC1.a1:
  • PNG data stream - documentation not supported(png)
sgptsiskyimageC1.a1:
  • JPG data stream - documentation not supported(JPEG data stream - documentation not yet available)
sgptsiC1.00:
  • null(Raw data stream - documentation not supported)
sgptsiskycoverC1.a1:
  • Pixel count: number thin in zenith circle(region.zenith.count.thin)
  • Pixel count: number thin in sun circle(region.sun.count.thin)
  • Percentage thin cloud(percent.thin)
  • Pixel count: number total in sun circle(region.sun.count)
  • Pixel count: number total in zenith circle(region.zenith.count)
  • Pixel count: number opaque in sun circle(region.sun.count.opaque)
  • Pixel count: number opaque in horizon area(region.horizon.count.opaque)
  • Percent opaque cloud(percent.opaque)
  • Pixel count: number total in horizon area(region.horizon.count)
  • Pixel count: number opaque in zenith circle(region.zenith.count.opaque)
  • Pixel count: number thin in horizon area(region.horizon.count.thin)
sgptsiskycoverC1.b1:
  • Pixel count: number opaque in horizon area(region.horizon.count.opaque)
  • Pixel count: camera and sun strip mask(count.mask)
  • Pixel count: number thin in zenith circle(region.zenith.count.thin)
  • Pixel count: number total indeterminant(count.unknown)
  • Pixel count: number total in zenith circle(region.zenith.count)
  • Pixel count: number total between horizon and processed circle(count.sub.proczen)
  • Pixel count: number opaque in zenith circle(region.zenith.count.opaque)
  • Pixel count: number total in processed circle(count.sky)
  • Pixel count: number total opaque(count.opaque)
  • Pixel count: number opaque in sun circle(region.sun.count.opaque)
  • Pixel count: number thin in sun circle(region.sun.count.thin)
  • Pixel count: number total in horizon area(region.horizon.count)
  • Pixel count: number thin in horizon area(region.horizon.count.thin)
  • Pixel count: number below horizon in image(count.sub.horz)
  • Percentage thin cloud(percent.thin)
  • Pixel count: number total thin(count.thin)
  • Pixel count: number total in sun circle(region.sun.count)
  • Percent opaque cloud(percent.opaque)
  • Pixel count: box, outside mirror area(count.box)

Back To Table of Contents

DQRID : D040526.1
Start DateStart TimeEnd DateEnd Time
07/02/2000003505/05/20032359
Subject:
SGP/TSI/C1 - Metadata errors
DataStreams:sgptsiskycoverC1.a1, sgptsiskycoverC1.b1
Description:
The latitude, longitude and altitude of the Total Sky Imager 
(TSI) were incorrectly entered into the ARM database.  The 
correct location of the SGP.C1 TSI is:
   Lat: 36.606N
   Lon: 97.485W
   Alt:    316m
Measurements:sgptsiskycoverC1.a1:
  • Dummy altitude for Zeb(alt)
  • lon(lon)
  • lat(lat)
sgptsiskycoverC1.b1:
  • lon(lon)
  • Dummy altitude for Zeb(alt)
  • lat(lat)

Back To Table of Contents

DQRID : D041116.2
Start DateStart TimeEnd DateEnd Time
10/25/2004164011/16/20042232
Subject:
SGP/TSI/C1 - Shadowband Misalignment
DataStreams:sgptsicldmaskC1.a1, sgptsiskycoverC1.b1, sgptsiskyimageC1.a1
Description:
The shadowband was slightly misaligned and was corrected by adjusting it +2 degrees.
Measurements:sgptsicldmaskC1.a1:
  • PNG data stream - documentation not supported(png)
sgptsiskyimageC1.a1:
  • JPG data stream - documentation not supported(JPEG data stream - documentation not yet available)
sgptsiskycoverC1.b1:
  • Pixel count: number total in processed circle(count.sky)
  • Pixel count: number opaque in sun circle(region.sun.count.opaque)
  • Pixel count: number total opaque(count.opaque)
  • Pixel count: number thin in sun circle(region.sun.count.thin)
  • Pixel count: number total in sun circle(region.sun.count)
  • Percent opaque cloud(percent.opaque)
  • Pixel count: camera and sun strip mask(count.mask)
  • Percentage thin cloud(percent.thin)
  • Pixel count: number total thin(count.thin)
  • Pixel count: number total between horizon and processed circle(count.sub.proczen)

Back To Table of Contents


END OF DATA