DQRID : D160614.1
Start DateStart TimeEnd DateEnd Time
04/13/2016220006/14/20161357
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Subject:
SGP/CLAP/C1 - Dirty optics and leak in valve
DataStreams:sgpaosclap3wC1.b1
Description:
Leak in valve as well as dirty optics lowered data quality and made it unusable. 
Instrument was removed for repair and cleaning.
Suggestions: 
Do not use data. Use PSAP data.
Measurements:sgpaosclap3wC1.b1:
  • Transmittance, red channel(transmittance_red)
  • Normalization factor for red transmittance, resets with each filter change(transmittance_red_normalization_factor)
  • Aerosol light absorption coefficient, nominal blue wavelength at dry or
    reference RH(Ba_B_CLAP3W_1)
  • Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
  • Impactor state in terms of aerodynamic diameter cut off(impactor_state)
  • AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
  • Dilution correction factor(dilution_correction_factor)
  • Normalization factor for blue transmittance, resets with each filter change(transmittance_blue_normalization_factor)
  • Filter ID, increments for each new filter(filter_id)
  • Light absorbance, red channel(absorbance_red)
  • Transmittance, blue channel(transmittance_blue)
  • Normalization factor for green transmittance, resets with each filter change(transmittance_green_normalization_factor)
  • seconds since last impactor transition(seconds_after_transition)
  • Instrument flow rate(sample_flow_rate)
  • Transmittance, green channel(transmittance_green)
  • Active filter number(active_filter_number)
  • AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
  • AOS Ba_B_CLAP3W_1 (NOAA) sample length, needed to calculate Beers Law(sample_length)
  • Aerosol light absorption coefficient, nominal red wavelength at dry or reference
    RH(Ba_R_CLAP3W_1)
  • AOS PSAP3W transmittance, green channel(transmittance_G)
  • Light absorbance, blue channel(absorbance_blue)
  • Aerosol light absorption coefficient, nominal green wavelength at dry or
    reference RH(Ba_G_CLAP3W_1)
  • Light absorbance, green channel(absorbance_green)
  • Spot size area(spot_size_area)
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