DQRID : D160617.12
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/19/2016152006/13/20161305Suspect
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Subject:
SGP/CCN/S01 -  Concentration measurement differences
DataStreams:sgpaosccn200S01.00, sgpaosccn200S01.a1
Description:
Total particle number concentrations different approximately by 20-30% between the two 
columns at the same supersaturation setpoints. Possible cause - differences in column 
temperature gradients. Data is suspect. Updated calibration coefficients are needed to derive 
correct supersaturation values from the recorded temperatures.
Suggestions: 
Supersaturation values need to be recalculated.
Measurements:sgpaosccn200S01.a1:
  • N_CCN_dN_2
  • N_CCN_dN_1
  • N_CCN_1
  • CCN_supersaturation_set_point_1
  • N_CCN_2
  • CCN_supersaturation_set_point_2
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sgpaosccn200S01.00:
  • Raw data stream - documentation not supported
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