Data Quality Reports for Session: 184590 User: gallof1 Completed: 03/24/2017

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D151106.2ENA/NEPHELOMETER/PSAP/CAPS-PMEX/NEPHELOMETER/PSAP/C1 - Impactor stuck at 10 micronsenaaoscapsC1.a1Does not affect quality
D151112.5ENA/CAPS-PMEX/CPC/NEPHELOMETER/PSAP/C1 - Impactor not switchingenaaoscapsC1.a1Does not affect quality
D160329.1ENA/CAPS-PMEX/C1 - Dirty opticsenaaoscapsC1.a1Suspect
D160909.21ENA/AOS/C1 -Internal pump failureenaaoscapsC1.a1Incorrect


DQRID : D151106.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/02/2015160711/03/20151409Does not affect quality
Subject:
ENA/NEPHELOMETER/PSAP/CAPS-PMEX/NEPHELOMETER/PSAP/C1 - Impactor stuck at 10 microns
DataStreams:enaaoscapsC1.a1
Description:
Upstream impactor was stuck at the 10 micron position. Data for the period is valid but 
representative of an effective 10 micrometer impactor setting only.
Measurements:enaaoscapsC1.a1:
  • ambient_pressure
  • raw_loss
  • Aerosol extinction coefficient, red wavelength(Bext_R)

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DQRID : D151112.5
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/27/2015105203/30/20151800Does not affect quality
Subject:
ENA/CAPS-PMEX/CPC/NEPHELOMETER/PSAP/C1 - Impactor not switching
DataStreams:enaaoscapsC1.a1
Description:
AOS tech was working in the AOS and accidentally unplugged the impactor power supply. This 
left the impactor in the 10 micron state.
Measurements:enaaoscapsC1.a1:
  • ambient_pressure
  • raw_loss
  • Aerosol extinction coefficient, red wavelength(Bext_R)

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DQRID : D160329.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/11/2014110010/08/20141247Suspect
Subject:
ENA/CAPS-PMEX/C1 - Dirty optics
DataStreams:enaaoscapsC1.a1
Description:
During the time frame in question, there were several issues with the CAPS, including (i) 
very dirty optics - due to a tear in the purge lines that are used to keep the mirrors 
clean (ii) a significant reduction in S/N due to the dirty optics, (iii) which caused the 
raw loss to go way up and the noise level in grounding issue that required a new power 
supply. The latter issue necessitated removing the CAPS from the AOS to conduct several 
tests in the support building.

So in summary:
Negative extinction is unrealistic and was due to very dirty mirrors and control software 
issues.
Flatlining is due to the CAPS not being connected up because of troubleshooting.

Keep in mind that deployment of the CAPS at ENA was the first long term deployment of this 
instrument. Following this 'birthing' period, the unit has run exceptionally well.
Measurements:enaaoscapsC1.a1:
  • last_baseline
  • ambient_pressure
  • status_baseline
  • signal
  • status_pump
  • ambient_temperature
  • caps_pressure
  • raw_loss
  • Aerosol extinction coefficient, red wavelength(Bext_R)
  • status_flags

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DQRID : D160909.21
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/08/2016002411/24/20161734Incorrect
Subject:
ENA/AOS/C1 -Internal pump failure
DataStreams:enaaoscapsC1.a1
Description:
The internal pump of the CAPS failed.  Vendor (Aerodyne) sent a replacement pump. The 
replacement pump was installed by onsite tech on 11/24/2016 at 17:34.
Measurements:enaaoscapsC1.a1:
  • last_baseline
  • ambient_pressure
  • status_baseline
  • signal
  • status_pump
  • ambient_temperature
  • caps_pressure
  • raw_loss
  • Aerosol extinction coefficient, red wavelength(Bext_R)
  • status_flags

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END OF DATA