Data Quality Reports for Session: 153763 User: a1varble Completed: 10/11/2013


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D110616.1SGP/AOS/C1 - Invalid flagsgpaosccn100C1.a1


DQRID : D110616.1
Start DateStart TimeEnd DateEnd Time
05/21/2009000006/16/20110000
Subject:
SGP/AOS/C1 - Invalid flag
DataStreams:sgpaosccn100C1.a1
Description:
The temperature unstable flag or CCN_temp_unstable_flag(time) seems to be set to 1 even 
when the temperature is stable. This started after the instrument software was upgraded. To 
check for temperature stability use instead the CCN_dT_TEC3_TEC1_StdDev(time) variable 
which gives the standard deviation of the 1 second temperature differential between T3 and 
T1. When this variable is at or below 0.05 C then the temperature can be considered stable.
Measurements:sgpaosccn100C1.a1:
  • CCN_temp_unstable_flag


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