Data Quality Reports for Session: 180826 User: yangf1 Completed: 10/28/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D040525.29SGP/MPL/C1 - Metadata errorssgpmplcbh1scottC1.c1Does not affect quality
D970408.3Continuing signal degradationsgpmplcbh1scottC1.c1Suspect
D990224.1SGP/MPL - Missing data due to blown detectorsgpmplcbh1scottC1.c1Missing


DQRID : D040525.29
Start DateStart TimeEnd DateEnd Time Data Quality Metric
04/10/1994000001/19/20002359Does not affect quality
Subject:
SGP/MPL/C1 - Metadata errors
DataStreams:sgpmplcbh1scottC1.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:sgpmplcbh1scottC1.c1:
  • North latitude(lat)
  • East longitude(lon)
  • Altitude above mean sea level(alt)

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DQRID : D970408.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/17/1997000004/14/19972359Suspect
Subject:
Continuing signal degradation
DataStreams:sgpmplcbh1scottC1.c1
Description:
Despite recent efforts (970310-970314) by the instrument mentor, signal 
degradation of the MPL has continued.  The degradation has continued to the 
point that the effective range of the MPL is nearing 10 km.  The instrument mentor and PI 
have 
concluded that an overhaul of the instrument by the vendor is in order.
Measurements:sgpmplcbh1scottC1.c1:
  • North latitude(lat)
  • Preliminary cloud base height above ground level(cbh)
  • base_time
  • time_offset
  • East longitude(lon)
  • Altitude above mean sea level(alt)

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DQRID : D990224.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/11/1998000001/23/19992359Missing
Subject:
SGP/MPL - Missing data due to blown detector
DataStreams:sgpmplcbh1scottC1.c1
Description:
Sometime early 11/11 the detector on the
MPL-004 blew out.  The Detector was replaced by Albert Mendoza.
The instrument was operational on Jan. 23, 1999.

Link this to P981119.2 that reported the blown detector and the
corrective action taken
Measurements:sgpmplcbh1scottC1.c1:
  • North latitude(lat)
  • Preliminary cloud base height above ground level(cbh)
  • base_time
  • time_offset
  • East longitude(lon)
  • Altitude above mean sea level(alt)

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