Data Quality Reports for Session: 124064 User: gregs Completed: 11/02/2009

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D090211.2SGP/THWAPS/C1 - Barometer intermittentsgpthwapsC1.b1
D090306.1SGP/THWAPS/C1 - Time stamp of data record incorrectsgpthwapsC1.b1


DQRID : D090211.2
Start DateStart TimeEnd DateEnd Time
01/09/2009000002/13/20092359
Subject:
SGP/THWAPS/C1 - Barometer intermittent
DataStreams:sgpthwapsC1.b1
Description:
Intermittent dropouts on the barometer data were occurring, with data reading low or 
missing.  Loose wiring was the probable culprit.

In most instances, only 1 minute of data was missing. Linear interpolation between the 
last known good point and the first good point following the dropout can be accomplished.
Measurements:sgpthwapsC1.b1:
  • Retrieved pressure profile(pres)

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DQRID : D090306.1
Start DateStart TimeEnd DateEnd Time
12/09/2008000001/23/20092359
Subject:
SGP/THWAPS/C1 - Time stamp of data record incorrect
DataStreams:sgpthwapsC1.b1
Description:
Due to problems with the collector system, the datalogger was being time synched 
inappropriately.  This problem was intermittent and did not affect every time stamp.  The worst 
case time adjustments were approximately +/- 7 minutes.  These were infrequent and most of 
the time adjustments were less than 7 minutes.
Measurements:sgpthwapsC1.b1:
  • Time offset of tweaks from base_time(time_offset)
  • base time(base_time)

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