Data Quality Reports for Session: 151412 User: neggers Completed: 07/10/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040525.28SGP/MPL/C1 - Metadata errorssgpmplC1.a1, sgpmplnor1campC1.c1
D980331.1Instrument misalignment reportsgpmplnor1campC1.c1


DQRID : D040525.28
Start DateStart TimeEnd DateEnd Time
05/01/1996000001/19/20002359
Subject:
SGP/MPL/C1 - Metadata errors
DataStreams:sgpmplC1.a1, sgpmplnor1campC1.c1
Description:
The latitude, longitude and altitude of the Micropulse Lidar
(MPL) were incorrectly entered into the ARM database.  The 
correct location of the SGP.C1 MPL is:
   Lat: 36.606N
   Lon: 97.485W
   Alt:    316m
Measurements:sgpmplC1.a1:
  • lat
  • lon
  • alt
sgpmplnor1campC1.c1:
  • lon
  • lat
  • alt

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DQRID : D980331.1
Start DateStart TimeEnd DateEnd Time
04/15/1997000009/10/19970000
Subject:
Instrument misalignment report
DataStreams:sgpmplnor1campC1.c1
Description:
A low-resolution (300 m) MPL system (unit number 04) was installed at the
SGP site in April '97 upon the laser diode failure of the 02 unit in
March.  Calibration of this instrument in August found that the optics
were misaligned causing a near range focusing error in the data.  
Calibration files produced for this data, while acceptable, do not 
completely correct for the problem.  As a result, aerosol property 
retrievals using this data are not suggested.  Cloud boundary heights, 
though appear satisfactory.  This system was removed from SGP in early 
September
Measurements:sgpmplnor1campC1.c1:
  • Normalized corrected relative backscatter(backscatter)

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